TY 2020 Form 990PF

- TIN:

Form990-PF

Department of the Treasury
Internal Revenue Service

Return of Private Foundation

or Section 4947(a)(1) Trust Treated as Private Foundation

Do not enter social security numbers on this form as it may be made public.
bullet

Go to www.irs.gov/Form990PF for instructions and the latest information.

OMB No. 1545-0052

2020

Open to Public Inspection

For calendar year 2020, or tax year beginning 11-01-2020 , and ending 10-31-2021

Name of foundation
PEIERLS FOUNDATION

% BRIAN ELIOT PEIERLS

Number and street (or P.O. box number if mail is not delivered to street address)73 SOUTH HOLMAN WAY
Room/suite

City or town, state or province, country, and ZIP or foreign postal code
GOLDEN, CO80401

A Employer identification number

13-6082503

B Telephone number (see instructions)

(303) 278-2889

C If exemption application is pending, check here bullet

G Check all that apply: Initial returnInitial return of a former public charity
Final returnAmended return
Address change Name change

D 1. Foreign organizations, check here............. bullet

2. Foreign organizations meeting the 85%
test, check here and attach computation ... bullet

E If private foundation status was terminated
under section 507(b)(1)(A), check here ....... bullet

H Check type of organization: Section 501(c)(3) exempt private foundation
Section 4947(a)(1) nonexempt charitable trust Other taxable private foundation

F If the foundation is in a 60-month termination
under section 507(b)(1)(B), check here ....... bullet

I Fair market value of all assets at end
of year (from Part II, col. (c),
line 16) bullet

$160,313,893J Accounting method: Cash Accrual
Other (specify)
(Part I, column (d) must be on cash basis.)

	Analysis of Revenue and Expenses (The total of amounts in columns (b), (c), and (d) may not necessarily equal the amounts in column (a) (see instructions).)	(a) Revenue and expenses per books		(b) Net investment income	(c) Adjusted net income	(d) Disbursements for charitable purposes (cash basis only)


1	Contributions, gifts, grants, etc., received (attach schedule)	2,693,691
2	Check .............
3	Interest on savings and temporary cash investments	845,740		845,740
4	Dividends and interest from securities...
5a	Gross rents............
b	Net rental income or (loss)
6a	Net gain or (loss) from sale of assets not on line 10		17,550,143
b	Gross sales price for all assets on line 6a 24,175,483
7	Capital gain net income (from Part IV, line 2)...			17,550,143
8	Net short-term capital gain.........
9	Income modifications...........
10a	Gross sales less returns and allowances
b	Less: Cost of goods sold....
c	Gross profit or (loss) (attach schedule).....
11	Other income (attach schedule).......		59,875	59,875
12	Total. Add lines 1 through 11........	21,149,449		18,455,758
13	Compensation of officers, directors, trustees, etc.	0
14	Other employee salaries and wages......
15	Pension plans, employee benefits.......
16a	Legal fees (attach schedule).........		1,500	1,500	0	0
b	Accounting fees (attach schedule).......		9,800	9,700	0	100
c	Other professional fees (attach schedule)....
17	Interest...............	168		168
18	Taxes (attach schedule) (see instructions)...		184,441	44,441
19	Depreciation (attach schedule) and depletion...
20	Occupancy..............
21	Travel, conferences, and meetings.......
22	Printing and publications..........
23	Other expenses (attach schedule).......		548,820	548,820
24	Total operating and administrative expenses.
	Add lines 13 through 23..........	744,729		604,629	0	100
25	Contributions, gifts, grants paid.......	8,508,500				8,508,500
26	Total expenses and disbursements. Add lines 24 and 25	9,253,229		604,629	0	8,508,600
27	Subtract line 26 from line 12:
a	Excess of revenue over expenses and disbursements	11,896,220
b	Net investment income (if negative, enter -0-)			17,851,129
c	Adjusted net income (if negative, enter -0-)...

For Paperwork Reduction Act Notice, see instructions.

Cat. No. 11289X Form 990-PF (2020)

Form 990-PF (2020)

Page 2

Part II		Balance Sheets	Beginning of year	End of year
Part II		Balance Sheets	(a) Book Value	(b) Book Value	(c) Fair Market Value
	1	Cash—non-interest-bearing.............	14,963,586	17,389,478	17,386,071
	2	Savings and temporary cash investments.........
	3	Accounts receivable
		Less: allowance for doubtful accounts
	4	Pledges receivable
		Less: allowance for doubtful accounts
	5	Grants receivable.................
	6	Receivables due from officers, directors, trustees, and other
		disqualified persons (attach schedule) (see instructions).....
	7	Other notes and loans receivable (attach schedule)
		Less: allowance for doubtful accounts
	8	Inventories for sale or use..............
	9	Prepaid expenses and deferred charges..........
	10a	Investments—U.S. and state government obligations (attach schedule)
	b	Investments—corporate stock (attach schedule).......	81,377,804	90,699,576	127,260,122
	c	Investments—corporate bonds (attach schedule).......
	11	Investments—land, buildings, and equipment: basis
		Less: accumulated depreciation (attach schedule)
	12	Investments—mortgage loans.............
	13	Investments—other (attach schedule)..........	8,518,639	11,774,576	15,667,700
	14	Land, buildings, and equipment: basis
		Less: accumulated depreciation (attach schedule)
	15	Other assets (describe )
	16	Total assets (to be completed by all filers—see the
		instructions. Also, see page 1, item I)	104,860,029	119,863,630	160,313,893
	17	Accounts payable and accrued expenses..........
	18	Grants payable.................
	19	Deferred revenue.................
	20	Loans from officers, directors, trustees, and other disqualified persons
	21	Mortgages and other notes payable (attach schedule)......
	22	Other liabilities (describe )
	23	Total liabilities (add lines 17 through 22).........	0	0
		Foundations that follow FASB ASC 958, check here
		and complete lines 24, 25, 29 and 30.
	24	Net assets without donor restrictions...........	104,905,631	119,863,630
	25	Net assets with donor restrictions............
		Foundations that do not follow FASB ASC 958, check here
		and complete lines 26 through 30.
	26	Capital stock, trust principal, or current funds........
	27	Paid-in or capital surplus, or land, bldg., and equipment fund
	28	Retained earnings, accumulated income, endowment, or other funds
	29	Total net assets or fund balances (see instructions).....	104,905,631	119,863,630
	30	Total liabilities and net assets/fund balances (see instructions).	104,905,631	119,863,630

Part III

Analysis of Changes in Net Assets or Fund Balances

Total net assets or fund balances at beginning of year—Part II, column (a), line 29 (must agree with end-of-year figure reported on prior year’s return) ...............

104,905,631

Enter amount from Part I, line 27a .....................

11,896,220

Other increases not included in line 2 (itemize) bullet

4,535,026

Add lines 1, 2, and 3 ..........................

121,336,877

Decreases not included in line 2 (itemize) bullet

1,473,247

Total net assets or fund balances at end of year (line 4 minus line 5)—Part II, column (b), line 29 .

119,863,630

Form 990-PF (2020)

Page 3

Part IV

Capital Gains and Losses for Tax on Investment Income

(a) List and describe the kind(s) of property sold (e.g., real estate, 2-story brick warehouse; or common stock, 200 shs. MLC Co.)		(b) How acquired P—Purchase D—Donation	(c) Date acquired (mo., day, yr.)	(d) Date sold (mo., day, yr.)
1 a	.6 AMERICAN INTL GROUP WARRANTS	P	2008-02-05	2021-01-15
b	25343 CASSAVA SCIENCES INC	P	2005-04-04	2021-07-06
c	60337 CLEARPOINT NEURO, INC.	P	2017-05-26	2017-05-26
d	80882 CLEARPOINT NEURO, INC.	P	2017-05-26	2020-11-20
e	6609 CLEARPOINT NEURO, INC.	P	2017-05-26	2020-11-23
	1500 CLEARPOINT NEURO, INC.	P	2017-05-26	2020-11-24
	57152 CLEARPOINT NEURO, INC.	P	2017-05-26	2020-11-25
	35987 CLEARPOINT NEURO, INC.	P	2017-05-26	2020-11-27
	53423 CLEARPOINT NEURO, INC.	P	2017-05-26	2020-11-27
	7718 CLEARPOINT NEURO, INC.	P	2017-05-26	2020-11-30
	1242 CLEARPOINT NEURO, INC.	P	2017-05-26	2020-12-01
	33454 CLEARPOINT NEURO, INC.	P	2017-05-26	2020-12-10
	164461 CLEARPOINT NEURO, INC.	P	2017-05-26	2020-12-11
	21759 CLEARPOINT NEURO, INC.	P	2017-05-26	2020-12-14
	19791 CLEARPOINT NEURO, INC.	P	2017-05-26	2020-12-16
	75588 CLEARPOINT NEURO, INC.	P	2017-05-26	2020-12-17
	29938 CODEXIS INC.	P	2013-04-08	2021-02-08
	143 CROSSROADS SYSTEMS, INC.	P	2002-07-26	2021-04-16
	73 CROSSROADS SYSTEMS, INC.	P	2002-08-01	2021-04-16
	161 CROSSROADS SYSTEMS, INC.	P	2002-08-02	2021-04-16
	21850 FINOVA GROUP INC.	P	2000-03-28	2021-05-12
	21850 FINOVA GROUP INC.	P	2000-03-28	2021-05-12
	99357 GENMARK DIAGNOSTICS, INC.	P	2009-06-25	2021-04-22
	10210 GENMARK DIAGNOSTICS, INC.	P	2010-06-10	2021-04-22
	33979 GENMARK DIAGNOSTICS, INC.	P	2010-06-15	2021-04-22
	63971 GENMARK DIAGNOSTICS, INC.	P	2009-12-21	2021-04-22
	2500 GENMARK DIAGNOSTICS, INC.	P	2010-06-03	2021-04-22
	1306 GENMARK DIAGNOSTICS, INC.	P	2010-06-14	2021-04-22
	36215 GENMARK DIAGNOSTICS, INC.	P	2010-06-11	2021-04-22
	40000 GREENPOWER MOTOR CO. INC	P	2019-05-06	2020-11-24
	16831 GREENPOWER MOTOR CO. INC	P	2019-05-06	2020-11-24
	1150000 IMTHERA MEDICAL SER A-1 CV PFD	P	2008-02-25	2021-03-05
	230000 IMTHERA MEDICAL SER A-1 CV PFD	D	2015-04-10	2021-03-05
	4000 INVITAE CORP.	P	2019-12-11	2020-12-17
	56000 INVITAE CORP.	P	2019-12-11	2020-12-21
	4952 INVITAE CORP.	P	2019-12-11	2020-12-22
	15048 INVITAE CORP.	P	2019-12-11	2020-12-23
	2312 KINDRED BIOSCIENCES INC.	P	2015-04-06	2021-08-31
	9956 KINDRED BIOSCIENCES INC.	P	2015-04-02	2021-08-31
	7091 KINDRED BIOSCIENCES INC.	P	2015-03-30	2021-08-31
	97200 KINDRED BIOSCIENCES INC.	P	2014-08-22	2021-08-31
	5407 KINDRED BIOSCIENCES INC.	P	2015-03-27	2021-08-31
	2515 KINDRED BIOSCIENCES INC.	P	2015-04-13	2021-08-31
	3492 KINDRED BIOSCIENCES INC.	P	2015-05-26	2021-08-31
	925 KINDRED BIOSCIENCES INC.	P	2015-04-14	2021-08-31
	4302 KINDRED BIOSCIENCES INC.	P	2015-05-22	2021-08-31
	132.8 MARDIL, INC SER 2 CV PROM NOTE	P	2018-11-29	2020-12-29
	75075 MARDIL, INC. SERIES B4 CV PFD	P	2015-12-18	2020-12-29
	243993 MARDIL, INC. SERIES B4 CV PFD	P	2017-01-04	2020-12-29
	0.6 PETROS PHARMACEUTICALS INC	P	2013-02-28	2021-03-01
	17275 SUNDANCE ENERGY INC. COM	P	2018-04-23	2021-04-19
	0.6 SYNAPTOGENIX INC	P	2013-02-28	2021-03-01
	0.3 VIRIDIAN THERAPEUTICS INC	P	2015-02-25	2020-11-23
	.3 SYNAPTOGENIXINC.	P	2015-11-13	2021-05-19
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P
	CAPITAL GAIN DIVIDENDS	P

(e) Gross sales price		(g) Cost or other basis plus expense of sale	(h) Gain or (loss) (e) plus (f) minus (g)
a		20,004	-20,004
b	2,347,652	408,724	1,938,928
c	562,328	70,080	492,248
d	753,804	93,942	659,862
e	67,075	7,676	59,399
	15,105	1,742	13,363
	575,508	66,380	509,128
	384,164	41,798	342,366
	543,378	62,049	481,329
	82,571	8,964	73,607
	13,262	1,443	11,819
	356,946	38,856	318,090
	1,773,164	191,017	1,582,147
	232,633	25,272	207,361
	211,165	22,987	188,178
	809,392	87,793	721,599
	853,924	63,464	790,460
	5,728	9,267	-3,539
	2,924	4,816	-1,892
	6,449	10,357	-3,908
	229		229
	229		229
	2,389,536	750,000	1,639,536
	245,551	49,926	195,625
	817,195	166,157	651,038
	1,538,503	500,000	1,038,503
	60,125	12,118	48,007
	31,409	6,386	25,023
	870,971	177,091	693,880
	1,122,127	85,400	1,036,727
	539,290	35,934	503,356
	213,804		213,804
	42,761		42,761
	195,912	28,759	167,153
	2,761,694	402,627	2,359,067
	267,405	35,604	231,801
	813,103	108,191	704,912
	21,386	15,745	5,641
	92,093	67,800	24,293
	65,592	48,212	17,380
	899,100	1,002,725	-103,625
	50,015	36,805	13,210
	23,264	17,127	6,137
	32,301	23,706	8,595
	8,556	6,299	2,257
	39,794	29,297	10,497
		132,800	-132,800
		200,000	-200,000
		650,000	-650,000
	3		3
		800,000	-800,000
	3		3
	4		4
	2		2
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541
			5,541

Complete only for assets showing gain in column (h) and owned by the foundation on 12/31/69			(l) Gains (Col. (h) gain minus col. (k), but not less than -0-) or Losses (from col.(h))
(i) F.M.V. as of 12/31/69	(j) Adjusted basis as of 12/31/69	(k) Excess of col. (i) over col. (j), if any
a			-20,004
b			1,938,928
c			492,248
d			659,862
e			59,399
			13,363
			509,128
			342,366
			481,329
			73,607
			11,819
			318,090
			1,582,147
			207,361
			188,178
			721,599
			790,460
			-3,539
			-1,892
			-3,908
			229
			229
			1,639,536
			195,625
			651,038
			1,038,503
			48,007
			25,023
			693,880
			1,036,727
			503,356
			213,804
			42,761
			167,153
			2,359,067
			231,801
			704,912
			5,641
			24,293
			17,380
			-103,625
			13,210
			6,137
			8,595
			2,257
			10,497
			-132,800
			-200,000
			-650,000
			3
			-800,000
			3
			4
			2

2	Capital gain net income or (net capital loss)	If gain, also enter in Part I, line 7 If (loss), enter -0- in Part I, line 7	2	17,550,143
3	Net short-term capital gain or (loss) as defined in sections 1222(5) and (6):
	If gain, also enter in Part I, line 8, column (c) (see instructions). If (loss), enter -0- in Part I, line 8 ...................		3

Part V

Qualification Under Section 4940(e) for Reduced Tax on Net Investment Income

SECTION 4940(e) REPEALED ON DECEMBER 20, 2019 - DO NOT COMPLETE

1 Reserved

(a) Reserved	(b) Reserved	(c) Reserved	(d) Reserved

Reserved...........................

Reserved,..........................

Form 990-PF (2020)

Page 4

Part VI

Excise Tax Based on Investment Income (Section 4940(a), 4940(b), 4940(e), or 4948—see instructions)

1a	Exempt operating foundations described in section 4940(d)(2), check here and enter “N/A" on line 1.
	Date of ruling or determination letter: (attach copy of letter if necessary–see instructions)
b	Reserved................................	1	248,131
c	All other domestic foundations enter 1.39% of line 27b. Exempt foreign organizations enter 4% of Part I, line 12, col. (b)
2	Tax under section 511 (domestic section 4947(a)(1) trusts and taxable foundations only. Others enter -0-)	2
3	Add lines 1 and 2...........................	3	248,131
4	Subtitle A (income) tax (domestic section 4947(a)(1) trusts and taxable foundations only. Others enter -0-)	4
5	Tax based on investment income. Subtract line 4 from line 3. If zero or less, enter -0- .....	5	248,131
6	Credits/Payments:

a	2020 estimated tax payments and 2019 overpayment credited to 2020	6a	204,318
b	Exempt foreign organizations—tax withheld at source......	6b	0
c	Tax paid with application for extension of time to file (Form 8868)...	6c
d	Backup withholding erroneously withheld ...........	6d

7	Total credits and payments. Add lines 6a through 6d..............		7	204,318
8	Enter any penalty for underpayment of estimated tax. Check here if Form 2220 is attached.		8	670
9	Tax due. If the total of lines 5 and 8 is more than line 7, enter amount owed.......		9	44,483
10	Overpayment. If line 7 is more than the total of lines 5 and 8, enter the amount overpaid...		10
11	Enter the amount of line 10 to be: Credited to 2021 estimated tax	Refunded	11

Part VII-A

Statements Regarding Activities

During the tax year, did the foundation attempt to influence any national, state, or local legislation or did

Yes

it participate or intervene in any political campaign? ....................

Did it spend more than $100 during the year (either directly or indirectly) for political purposes? See the instructions

for the definition.................................

If the answer is "Yes" to 1a or 1b, attach a detailed description of the activities and copies of any materials

published or distributed by the foundation in connection with the activities.

Did the foundation file Form 1120-POL for this year?.....................

Enter the amount (if any) of tax on political expenditures (section 4955) imposed during the year:

(1) On the foundation. bullet

$ (2) On foundation managers. bullet

Enter the reimbursement (if any) paid by the foundation during the year for political expenditure tax imposed

on foundation managers. bullet

Has the foundation engaged in any activities that have not previously been reported to the IRS?.......

If "Yes," attach a detailed description of the activities.

Has the foundation made any changes, not previously reported to the IRS, in its governing instrument, articles

of incorporation, or bylaws, or other similar instruments? If "Yes," attach a conformed copy of the changes....

Did the foundation have unrelated business gross income of $1,000 or more during the year?........

If "Yes," has it filed a tax return on Form 990-T for this year?...................

Was there a liquidation, termination, dissolution, or substantial contraction during the year?.........

If "Yes," attach the statement required by General Instruction T.

Are the requirements of section 508(e) (relating to sections 4941 through 4945) satisfied either:

By language in the governing instrument, or

By state legislation that effectively amends the governing instrument so that no mandatory directions

that conflict with the state law remain in the governing instrument?................

Yes

Did the foundation have at least $5,000 in assets at any time during the year? If "Yes," complete Part II, col. (c),

and Part XV..................................

Yes

Enter the states to which the foundation reports or with which it is registered (see instructions)

If the answer is "Yes" to line 7, has the foundation furnished a copy of Form 990-PF to the Attorney

General (or designate) of each state as required by General Instruction G? If "No," attach explanation .

Yes

Is the foundation claiming status as a private operating foundation within the meaning of section 4942(j)(3)

or 4942(j)(5) for calendar year 2020 or the taxable year beginning in 2020? See the instructions for Part XIV.

If "Yes," complete Part XIV .............................

Did any persons become substantial contributors during the tax year? If "Yes," attach a schedule listing their names

and addresses. ...............................

Form 990-PF (2020)

Page 5

Part VII-A

Statements Regarding Activities (continued)

At any time during the year, did the foundation, directly or indirectly, own a controlled entity within the

meaning of section 512(b)(13)? If "Yes," attach schedule. See instructions .............

Did the foundation make a distribution to a donor advised fund over which the foundation or a disqualified person had

advisory privileges? If "Yes," attach statement. See instructions.................

Did the foundation comply with the public inspection requirements for its annual returns and exemption application?

Yes

Website address bullet

The books are in care of bullet

BRIAN ELIOT PEIERLS Telephone no. bullet

(512) 789-7994

Located at bullet

3017 MCCURDY STREETAUSTINTX ZIP+4 bullet

787232902

Section 4947(a)(1) nonexempt charitable trusts filing Form 990-PF in lieu of Form 1041 —check here ......... bullet

and enter the amount of tax-exempt interest received or accrued during the year ........ bullet

16 At any time during calendar year 2020, did the foundation have an interest in or a signature or other authority over YesNo

a bank, securities, or other financial account in a foreign country? .................

16 No

See the instructions for exceptions and filing requirements for FinCEN Form 114. If "Yes", enter the name of the foreign
country bullet

Part VII-B

Statements Regarding Activities for Which Form 4720 May Be Required

File Form 4720 if any item is checked in the "Yes" column, unless an exception applies.

Yes

During the year did the foundation (either directly or indirectly):

(1) Engage in the sale or exchange, or leasing of property with a disqualified person? YesNo

(2) Borrow money from, lend money to, or otherwise extend credit to (or accept it from)

a disqualified person?......................YesNo

(3) Furnish goods, services, or facilities to (or accept them from) a disqualified person? YesNo

(4) Pay compensation to, or pay or reimburse the expenses of, a disqualified person? YesNo

(5) Transfer any income or assets to a disqualified person (or make any of either available

for the benefit or use of a disqualified person)?...............YesNo

(6) Agree to pay money or property to a government official? (Exception. Check "No"

if the foundation agreed to make a grant to or to employ the official for a period

after termination of government service, if terminating within 90 days.).......YesNo

If any answer is "Yes" to 1a(1)–(6), did any of the acts fail to qualify under the exceptions described in Regulations

section 53.4941(d)-3 or in a current notice regarding disaster assistance? See instructions ........

Organizations relying on a current notice regarding disaster assistance check here........ bullet

Did the foundation engage in a prior year in any of the acts described in 1a, other than excepted acts,

that were not corrected before the first day of the tax year beginning in 2020?.............

Taxes on failure to distribute income (section 4942) (does not apply for years the foundation was a private

operating foundation defined in section 4942(j)(3) or 4942(j)(5)):

At the end of tax year 2020, did the foundation have any undistributed income (lines 6d

and 6e, Part XIII) for tax year(s) beginning before 2020?.............YesNo

If "Yes," list the years bullet

20, 20, 20, 20

Are there any years listed in 2a for which the foundation is not applying the provisions of section 4942(a)(2)

(relating to incorrect valuation of assets) to the year’s undistributed income? (If applying section 4942(a)(2)

to all years listed, answer "No" and attach statement—see instructions.) ..............

If the provisions of section 4942(a)(2) are being applied to any of the years listed in 2a, list the years here.

20, 20, 20, 20

Did the foundation hold more than a 2% direct or indirect interest in any business enterprise at

any time during the year?......................YesNo

If "Yes," did it have excess business holdings in 2020 as a result of (1) any purchase by the foundation

or disqualified persons after May 26, 1969; (2) the lapse of the 5-year period (or longer period approved

by the Commissioner under section 4943(c)(7)) to dispose of holdings acquired by gift or bequest; or (3)

the lapse of the 10-, 15-, or 20-year first phase holding period? (Use Schedule C, Form 4720, to determine

if the foundation had excess business holdings in 2020.)..................

Did the foundation invest during the year any amount in a manner that would jeopardize its charitable purposes?

Did the foundation make any investment in a prior year (but after December 31, 1969) that could jeopardize its

charitable purpose that had not been removed from jeopardy before the first day of the tax year beginning in 2020?

Form 990-PF (2020)

Page 6

Part VII-B

Statements Regarding Activities for Which Form 4720 May Be Required (continued)

During the year did the foundation pay or incur any amount to:

Yes

(1) Carry on propaganda, or otherwise attempt to influence legislation (section 4945(e))? YesNo

(2) Influence the outcome of any specific public election (see section 4955); or to carry

on, directly or indirectly, any voter registration drive?.............YesNo

(3) Provide a grant to an individual for travel, study, or other similar purposes? YesNo

(4) Provide a grant to an organization other than a charitable, etc., organization described

in section 4945(d)(4)(A)? See instructions................YesNo

(5) Provide for any purpose other than religious, charitable, scientific, literary, or

educational purposes, or for the prevention of cruelty to children or animals?.....YesNo

If any answer is "Yes" to 5a(1)–(5), did any of the transactions fail to qualify under the exceptions described in

Regulations section 53.4945 or in a current notice regarding disaster assistance? See instructions ......

Organizations relying on a current notice regarding disaster assistance check here......... bullet

If the answer is "Yes" to question 5a(4), does the foundation claim exemption from the

tax because it maintained expenditure responsibility for the grant?..........YesNo

If "Yes," attach the statement required by Regulations section 53.4945–5(d).

Did the foundation, during the year, receive any funds, directly or indirectly, to pay premiums on

a personal benefit contract?.....................YesNo

Did the foundation, during the year, pay premiums, directly or indirectly, on a personal benefit contract? ....

If "Yes" to 6b, file Form 8870.

At any time during the tax year, was the foundation a party to a prohibited tax shelter transaction? YesNo

If "Yes", did the foundation receive any proceeds or have any net income attributable to the transaction? ....

Is the foundation subject to the section 4960 tax on payment(s) of more than $1,000,000 in remuneration or

excess parachute payment during the year? .................YesNo

Part VIII

Information About Officers, Directors, Trustees, Foundation Managers, Highly Paid Employees,
and Contractors

1 List all officers, directors, trustees, foundation managers and their compensation. See instructions

(a) Name and address	(b) Title, and average hours per week devoted to position	(c) Compensation (If not paid, enter -0-)	(d) Contributions to employee benefit plans and deferred compensation	(e) Expense account, other allowances
E JEFFREY PEIERLS	PRESIDENT 0	0	0	0
73 SOUTH HOLMAN WAY GOLDEN,CO80401	PRESIDENT 0	0	0	0
BRIAN E PEIERLS	VICE PRESIDENT 0	0	0	0
3017 MCCURDY STREET AUSTIN,TX78723	VICE PRESIDENT 0	0	0	0
JAMES FLAGGERT	SECRETARY 0	0	0	0
920 5TH AVENUE SUITE 3300 SEATTLE,WA981041610	SECRETARY 0	0	0	0

2 Compensation of five highest-paid employees (other than those included on line 1—see instructions). If none, enter “NONE."


(a) Name and address of each employee paid more than $50,000	(b) Title, and average hours per week devoted to position	(c) Compensation	(d) Contributions to employee benefit plans and deferred compensation	(e) Expense account, other allowances










Total number of other employees paid over $50,000...................

Form 990-PF (2020)

Page 7

Part VIII

Information About Officers, Directors, Trustees, Foundation Managers, Highly Paid Employees,
and Contractors (continued)

3 Five highest-paid independent contractors for professional services (see instructions). If none, enter "NONE".
(a) Name and address of each person paid more than $50,000	(b) Type of service	(c) Compensation

Total number of others receiving over $50,000 for professional services............. bullet

Part IX-A

Summary of Direct Charitable Activities

List the foundation’s four largest direct charitable activities during the tax year. Include relevant statistical information such as the number of organizations and other beneficiaries served, conferences convened, research papers produced, etc.	Expenses
1


2


3


4

Part IX-B

Summary of Program-Related Investments (see instructions)

Describe the two largest program-related investments made by the foundation during the tax year on lines 1 and 2.	Amount
1


2


All other program-related investments. See instructions.
3

Total. Add lines 1 through 3......................... bullet

Form 990-PF (2020)

Page 8

Part X

Minimum Investment Return (All domestic foundations must complete this part. Foreign foundations, see instructions.)

Fair market value of assets not used (or held for use) directly in carrying out charitable, etc.,

purposes:

Average monthly fair market value of securities...................

127,084,538

Average of monthly cash balances.......................

25,072,802

Fair market value of all other assets (see instructions)................

12,730,929

Total (add lines 1a, b, and c).........................

164,888,269

Reduction claimed for blockage or other factors reported on lines 1a and

1c (attach detailed explanation) .............

Acquisition indebtedness applicable to line 1 assets..................

Subtract line 2 from line 1d.........................

164,888,269

Cash deemed held for charitable activities. Enter 1 1/2% of line 3 (for greater amount, see

instructions) .............................

2,473,324

Net value of noncharitable-use assets. Subtract line 4 from line 3. Enter here and on Part V, line 4

162,414,945

Minimum investment return. Enter 5% of line 5..................

8,120,747

Part XI

Distributable Amount (see instructions) (Section 4942(j)(3) and (j)(5) private operating foundations and certain foreign organizations check here right arrow

and do not complete this part.)

Minimum investment return from Part X, line 6....................

8,120,747

Tax on investment income for 2020 from Part VI, line 5......

248,131

Income tax for 2020. (This does not include the tax from Part VI.)...

Add lines 2a and 2b............................

248,131

Distributable amount before adjustments. Subtract line 2c from line 1............

7,872,616

Recoveries of amounts treated as qualifying distributions................

Add lines 3 and 4............................

7,872,616

Deduction from distributable amount (see instructions).................

Distributable amount as adjusted. Subtract line 6 from line 5. Enter here and on Part XIII, line 1 ...

7,872,616

Part XII

Qualifying Distributions (see instructions)

Amounts paid (including administrative expenses) to accomplish charitable, etc., purposes:

Expenses, contributions, gifts, etc.—total from Part I, column (d), line 26 ..........

8,508,600

Program-related investments—total from Part IX-B..................

Amounts paid to acquire assets used (or held for use) directly in carrying out charitable, etc.,

purposes...............................

Amounts set aside for specific charitable projects that satisfy the:

Suitability test (prior IRS approval required)....................

Cash distribution test (attach the required schedule) .................

Qualifying distributions. Add lines 1a through 3b. Enter here and on Part V, line 8, and Part XIII, line 4

8,508,600

Foundations that qualify under section 4940(e) for the reduced rate of tax on net investment

income. Enter 1% of Part I, line 27b. See instructions.................

Adjusted qualifying distributions. Subtract line 5 from line 4..............

8,508,600

Note: The amount on line 6 will be used in Part V, column (b), in subsequent years when calculating whether the foundation qualifies for
the section 4940(e) reduction of tax in those years.

Form 990-PF (2020)

Page 9

Part XIII

Undistributed Income (see instructions)

		(a) Corpus	(c) 2019	(d) 2020
1 Distributable amount for 2020 from Part XI, line 7				7,872,616
2 Undistributed income, if any, as of the end of 2020:
a Enter amount for 2019 only.......			0
b Total for prior years:2018, 2017, 2016
3 Excess distributions carryover, if any, to 2020:
a From 2015......
b From 2016......
c From 2017......
d From 2018......	0
e From 2019......	367,667
fTotal of lines 3a through e........		367,667
4Qualifying distributions for 2020 from Part
XII, line 4: $ 8,508,600
a Applied to 2019, but not more than line 2a			0
b Applied to undistributed income of prior years (Election required—see instructions).....
c Treated as distributions out of corpus (Election required—see instructions)........
d Applied to 2020 distributable amount.....				7,872,616
e Remaining amount distributed out of corpus		635,984
5 Excess distributions carryover applied to 2020.
(If an amount appears in column (d), the same amount must be shown in column (a).)
6Enter the net total of each column as indicated below:
a Corpus. Add lines 3f, 4c, and 4e. Subtract line 5		1,003,651
b Prior years’ undistributed income. Subtract line 4b from line 2b ..........
c Enter the amount of prior years’ undistributed income for which a notice of deficiency has been issued, or on which the section 4942(a) tax has been previously assessed......
d Subtract line 6c from line 6b. Taxable amount —see instructions ...........
e Undistributed income for 2019. Subtract line 4a from line 2a. Taxable amount—see instructions .............			0
f Undistributed income for 2020. Subtract lines 4d and 5 from line 1. This amount must be distributed in 2021 ..........				0
7 Amounts treated as distributions out of corpus to satisfy requirements imposed by section 170(b)(1)(F) or 4942(g)(3) (Election may be required - see instructions) .......
8 Excess distributions carryover from 2015 not applied on line 5 or line 7 (see instructions) ...
9Excess distributions carryover to 2021. Subtract lines 7 and 8 from line 6a ......		1,003,651
10 Analysis of line 9:
a Excess from 2016....
b Excess from 2017....
c Excess from 2018....	0
d Excess from 2019....	367,667
e Excess from 2020....	635,984

Form 990-PF (2020)

Page 10

Part XIV

Private Operating Foundations (see instructions and Part VII-A, question 9)

1a If the foundation has received a ruling or determination letter that it is a private operating
foundation, and the ruling is effective for 2020, enter the date of the ruling....... bullet

b Check box to indicate whether the organization is a private operating foundation described in section4942(j)(3) or4942(j)(5)

2a Enter the lesser of the adjusted net income from Part I or the minimum investment return from Part X for each year listed ..........	Tax year	Prior 3 years			(e) Total
	(a) 2020	(b) 2019	(c) 2018	(d) 2017	(e) Total

b 85% of line 2a .........
c Qualifying distributions from Part XII, line 4 for each year listed .....
d Amounts included in line 2c not used directly for active conduct of exempt activities ..........
e Qualifying distributions made directly for active conduct of exempt activities. Subtract line 2d from line 2c ....
3 Complete 3a, b, or c for the alternative test relied upon:
a “Assets" alternative test—enter:
(1) Value of all assets ......
(2) Value of assets qualifying under section 4942(j)(3)(B)(i)
b “Endowment" alternative test— enter 2/3 of minimum investment return shown in Part X, line 6 for each year listed...
c “Support" alternative test—enter:
(1) Total support other than gross investment income (interest, dividends, rents, payments on securities loans (section 512(a)(5)), or royalties) ....
(2) Support from general public and 5 or more exempt organizations as provided in section 4942(j)(3)(B)(iii)....
(3) Largest amount of support from an exempt organization
(4) Gross investment income

Part XV

Supplementary Information (Complete this part only if the foundation had $5,000 or more in
assets at any time during the year—see instructions.)

1Information Regarding Foundation Managers:

aList any managers of the foundation who have contributed more than 2% of the total contributions received by the foundation
before the close of any tax year (but only if they have contributed more than $5,000). (See section 507(d)(2).)

EJEFFREY PEIERLS

BRIAN ELIOT PEIERLS

bList any managers of the foundation who own 10% or more of the stock of a corporation (or an equally large portion of the
ownership of a partnership or other entity) of which the foundation has a 10% or greater interest.

2Information Regarding Contribution, Grant, Gift, Loan, Scholarship, etc., Programs:

Check here bullet

if the foundation only makes contributions to preselected charitable organizations and does not accept
unsolicited requests for funds. If the foundation makes gifts, grants, etc. to individuals or organizations under
other conditions, complete items 2a, b, c, and d. See instructions

aThe name, address, and telephone number or e-mail address of the person to whom applications should be addressed:

EJEFFREY PEIERLS
73 SOUTH HOLMAN WAY
GOLDEN,CO80401
(303) 922-6654

bThe form in which applications should be submitted and information and materials they should include:

cAny submission deadlines:

dAny restrictions or limitations on awards, such as by geographical areas, charitable fields, kinds of institutions, or other
factors:

Form 990-PF (2020)

Page 11

Part XV

Supplementary Information (continued)

3 Grants and Contributions Paid During the Year or Approved for Future Payment
Recipient	If recipient is an individual, show any relationship to any foundation manager or substantial contributor	Foundation status of recipient	Purpose of grant or contribution	Amount
Name and address (home or business)		Foundation status of recipient	Purpose of grant or contribution	Amount
aPaid during the year
AMERICAN FOUNDATION FOR THE BLIND 1401 SOUTH CLARK STREET SUITE 730 ARLINGTON,VA22202		PC	SUPPORT	23,200
AMERICAN RED CROSS 2218 PERSHING DRIVE AUSTIN,TX78723		PC	SUPPORT	680,000
CHIEF SEATTLE COUNCIL BOY SCOUTS OF AMERICA 3120 RAINER AVENUE SOUTH SEATTLE,WA98114		PC	SUPPORT	38,000
MEHARRY MEDICAL COLLEGE 1005 DRIVE DB TODD JR BLVD NASHVILLE,TN372083599		PC	SUPPORT	70,000
PLANNED PARENTHOOD OF THE GREAT NORTHWEST 2001 EAST MADISON STREET SEATTLE,WA981222959		PC	SUPPORT	133,000
LEARNING ALLY 20 ROSZEL ROAD PRINCETON,NJ085409983		PC	SUPPORT	41,000
THAT MAN MAY SEE INC 10 KORET WAY BOX 0352 SAN FRANCISCO,CA941430352		PC	SUPPORT	116,000
NARAL PRO-CHOICE AMERICA FOUNDATION 1156 15TH STREET NW SUITE 700 WASHINGTON,DC20005		PC	SUPPORT	61,500
NORTHERN NEW JERSEY COUNCIL BSA PO BOX 670 OAKLAND,NJ074361709		PC	SUPPORT	38,000
PLANNED PARENTHOOD FEDERATION OF AMERICA 123 WILLIAM STREET NEW YORK,NY10038		PC	SUPPORT	300,300
PLANNED PARENTHOOD OF METROPOLITAN NEW JERSEY 151 WASHINGTON STREET NEWARK,NJ07102		PC	SUPPORT	133,000
LAKE WASHINGTON INSTITUTE OF TECH FNDN 11605 132ND AVENUE NE KIRKLAND,WA980348506		PC	SUPPORT	85,000
PLANNED PARENTHOOD OF GREATER TEXAS 201 EAST BEN WHITE BLVD SUITE B AUSTIN,TX78704		PC	SUPPORT	133,000
VIRGINIA GARCIA MEMORIAL HEALTH CENTER PO BOX 6149 ALOHA,OR97007		PC	SUPPORT	95,000
BIG BROTHERS BIG SISTERS OF AUSTIN TEXAS PO BOX 4555 AUSTIN,TX78721		PC	SUPPORT	83,000
AUSTIN COMMUNITY COLLEGE FOUNDATION 5930 MIDDLE FISKVILLE ROAD AUSTIN,TX78752		PC	SUPPORT	53,000
RAISING AUSTIN (TOGETHER4CHILDREN) PO BOX 10047 AUSTIN,TX787661047		PC	SUPPORT	205,000
NATURAL RESOURCES DEFENSE COUNCIL 40 WEST 2OTH STREET NEW YORK,NY10011		PC	SUPPORT	68,000
THE INTERFAITH ALLIANCE FOUNDATION 2101 L STREET NW SUITE 800 WASHINGTON,DC20037		PC	SUPPORT	65,000
BOY SCOUTS OF AMERICA DENVER AREA COUNCIL 10455 WEST 6TH AVENUE SUITE 100 DENVER,CO80215		PC	SUPPORT	35,000
CARE INC 4616 25TH AVENUE NE 477 SEATTLE,WA98105		PC	SUPPORT	350,000
INTERNATIONAL RESCUE COMMITTEE 122 EAST 42ND STREET NEW YORK,NY101681289		PC	SUPPORT	850,000
PLANNED PARENTHOOD OF THE ROCKY MOUNTAINS 7155 EAST 38TH AVENUE DENVER,CO802032706		PC	SUPPORT	115,000
STANFORD GRADUATE SCHOOL OF BUSINESS 655 KNIGHT WAY STANFORD,CA943057298		PC	SUPPORT	48,000
THE NATURE CONSERVANCY 2424 SPRUCE STREET BOULDER,CO803024617		PC	SUPPORT	1,250,000
YALE UNIVERSITY OFFICE OF DEVELOPMENT PO BOX 2038 NEW HAVEN,CT065212038		PC	SUPPORT	54,000
COLORADO UPLIFT 400 WEST 48TH AVENUE SUITE 250 DENVER,CO80216		PC	SUPPORT	170,000
AMERICAN INDIAN COLLEGE FUND 8333 GREENWOOD BLVD DENVER,CO802214488		PC	SUPPORT	145,000
HEARING HEALTH FOUNDATION 575 EIGHT AVENUE 1201 NEW YORK,NY10018		PC	SUPPORT	43,000
UNITARIAN UNIVERSALIST ASSOCIATION 24 FARNSWORTH STREET BOSTON,MA022101409		PC	SUPPORT	27,000
UNITARIAN-UNIVERSALIST SERVICE COMMITTEE 689 MASSACHUSETTS AVENUE CAMBRIDGE,MA021393302		PC	SUPPORT	120,000
METROPOLITAN STATE COLLEGE OF DENVER FOUNDATION PO BOX 173362 - CAMPUS BOX 14 DENVER,CO802173362		PC	SUPPORT	110,000
GIRLS INCORPORATED OF METRO DENVER 1499 JULIAN STREET DENVER,CO80204		PC	SUPPORT	52,000
COLORADO I HAVE A DREAM FOUNDATION 1836 GRANT STREET DENVER,CO802032022		PC	SUPPORT	96,000
DOCTORS WITHOUT BORDERS USA 40 RECTOR STREET 16TH FLOOR NEW YORK,NY100061705		PC	SUPPORT	1,200,000
ENERGY OUTREACH COLORADO 225 EAST 16TH AVENUE SUITE 200 DENVER,CO802031612		PC	SUPPORT	43,000
HOPE CENTER 3400 ELIZABETH STREET DENVER,CO802054244		PC	SUPPORT	70,000
BIG BROTHERS BIG SISTERS OF COLORADO 750 WEST HAMPDEN AVENUE SUITE 450 ENGLEWOOD,CO80110		PC	SUPPORT	90,000
AMERICAN UNITED FOR SEPARATION OF CHURCH AND STATE 1310 L STREET NW SUITE 200 WASHINGTON,DC20005		PC	SUPPORT	68,000
READING PARTNERS COLORADO 1600 DOWNING STREET SUITE 700 DENVER,CO80218		PC	SUPPORT	140,000
WESTMINSTER PUBLIC SCHOOLS FOUNDATION 7002 RELEIGH STREET WESTMINSTER,CO80030		GOV	SUPPORT	90,000
DENVER SCHOLARSHIP FOUNDATION 789 SHERMAN STREET SUITE 610 DENVER,CO80203		PC	SUPPORT	68,000
ACCESS ESPERANZA CLINICS INC 916 E HACKBERRY AVENUE MCALLEN,TX785015737		PC	SUPPORT	118,000
CAPITAL AREA COUNCIL BSA 12500 NORTH IH-35 AUSTIN,TX787531312		PC	SUPPORT	38,000
TOOLS OF THE MIND 26093 THEA GULCH ROAD GOLDEN,CO80403		PC	SUPPORT	107,000
COLORADO YOUTH FOR A CHANGE 2490 WEST 26TH AVENUE SUITE 110A DENVER,CO80211		PC	SUPPORT	160,000
CAMP FIRE COLUMBIA 1411 SW MORRISON STREET 300 PORTLAND,OR97205		PC	SUPPORT	80,000
THE UNIVERSITY OF TEXAS FOUNDATION 9011 MOUNTAIN RIDGE STE 150 AUSTIN,TX78759		PC	SUPPORT	130,500
REACH OUT AND READ COLORADO 3705 MARTIN LUTHER KING BLVD DENVER,CO80205		PC	SUPPORT	130,000
DZI FOUNDATION PO BOX 632 RIDGEWAY,CO81432		PC	SUPPORT	40,000
WESTERN ENVIROMENTAL LAW CENTER 120 SHELTON MCMURPHY BLVD 340 EUGENE,OR97401		PC	support	50,000
Total ................................. 3a				8,508,500

bApproved for future payment

Total ................................. 3b

Form 990-PF (2020)

Page 12

Part XVI-A

Analysis of Income-Producing Activities

Enter gross amounts unless otherwise indicated.	Unrelated business income		Excluded by section 512, 513, or 514		(e) Related or exempt function income (See instructions.)
1Program service revenue:	(a) Business code	(b) Amount	(c) Exclusion code	(d) Amount	(e) Related or exempt function income (See instructions.)
a
b
c
d
e
f
gFees and contracts from government agencies
2 Membership dues and assessments....
3 Interest on savings and temporary cash investments ...........			14	845,740
4 Dividends and interest from securities....			14
5 Net rental income or (loss) from real estate:
aDebt-financed property......
bNot debt-financed property.....
6 Net rental income or (loss) from personal property
7 Other investment income.....
8 Gain or (loss) from sales of assets other than inventory ............			18	17,550,143
9 Net income or (loss) from special events:
10 Gross profit or (loss) from sales of inventory
11 Other revenue: aOTHER				59,875
b
c
d
e
12 Subtotal. Add columns (b), (d), and (e)..				18,455,758

13Total. Add line 12, columns (b), (d), and (e)..................

18,455,758

(See worksheet in line 13 instructions to verify calculations.)

Part XVI-B

Relationship of Activities to the Accomplishment of Exempt Purposes

Line No.	Explain below how each activity for which income is reported in column (e) of Part XVI-A contributed importantly to the accomplishment of the foundation’s exempt purposes (other than by providing funds for such purposes). (See instructions.)

Form 990-PF (2020)

Page 13

Part XVII

Information Regarding Transfers To and Transactions and Relationships With Noncharitable Exempt Organizations

Did the organization directly or indirectly engage in any of the following with any other organization described in section 501(c) (other than section 501(c)(3) organizations) or in section 527, relating to political organizations?

Yes

Transfers from the reporting foundation to a noncharitable exempt organization of:

(1) Cash...................................

1a(1)

(2) Other assets.................................

1a(2)

Other transactions:

(1) Sales of assets to a noncharitable exempt organization....................

1b(1)

(2) Purchases of assets from a noncharitable exempt organization..................

1b(2)

(3) Rental of facilities, equipment, or other assets.......................

1b(3)

(4) Reimbursement arrangements...........................

1b(4)

(5) Loans or loan guarantees.............................

1b(5)

(6) Performance of services or membership or fundraising solicitations................

1b(6)

Sharing of facilities, equipment, mailing lists, other assets, or paid employees..............

If the answer to any of the above is "Yes," complete the following schedule. Column (b) should always show the fair market value
of the goods, other assets, or services given by the reporting foundation. If the foundation received less than fair market value
in any transaction or sharing arrangement, show in column (d) the value of the goods, other assets, or services received.

(a) Line No.	(b) Amount involved	(c) Name of noncharitable exempt organization	(d) Description of transfers, transactions, and sharing arrangements

Is the foundation directly or indirectly affiliated with, or related to, one or more tax-exempt organizations
described in section 501(c) (other than section 501(c)(3)) or in section 527? ...........Yes No

If "Yes," complete the following schedule.

(a) Name of organization	(b) Type of organization	(c) Description of relationship

Sign Here

Under penalties of perjury, I declare that I have examined this return, including accompanying schedules and statements, and to the best of my knowledge and belief, it is true, correct, and complete. Declaration of preparer (other than taxpayer) is based on all information of which preparer has any knowledge.
				May the IRS discuss this return with the preparer shown below? See instructions. Yes No
	Signature of officer or trustee	Date	Title

Paid Preparer Use Only	Print/Type preparer's name	Preparer's Signature	Date	Check if self- employed	PTIN
	Firm's name				Firm's EIN
	Firm's address				Phone no.

Form 990-PF (2020)

Additional Data

Software ID:
Software Version:

Form 990PF - Special Condition Description:

Special Condition Description

- TIN:

Schedule B
(Form 990, 990-EZ,
or 990-PF)

Department of the Treasury
Internal Revenue Service

Schedule of Contributors

Attach to Form 990, 990-EZ, or 990-PF.

Go to www.irs.gov/Form990 for the latest information.

OMB No. 1545-0047

2020

Name of the organization

PEIERLS FOUNDATION

Employer identification number

13-6082503

Organization type (check one):

Filers of:

Section:

Form 990 or 990-EZ

501(c)( ) (enter number) organization

4947(a)(1) nonexempt charitable trust not treated as a private foundation

527 political organization

Form 990-PF

501(c)(3) exempt private foundation

4947(a)(1) nonexempt charitable trust treated as a private foundation

501(c)(3) taxable private foundation

Check if your organization is covered by the General Rule or a Special Rule.
Note: Only a section 501(c)(7), (8), or (10) organization can check boxes for both the General Rule and a Special Rule. See instructions.

General Rule

For an organization filing Form 990, 990-EZ, or 990-PF that received, during the year, contributions totaling $5,000 or more (in money or other property) from any one contributor. Complete Parts I and II. See instructions for determining a contributor's total contributions.

Special Rules

For an organization described in section 501(c)(3) filing Form 990 or 990-EZ that met the 33¹/3% support test of the regulations
under sections 509(a)(1) and 170(b)(1)(A)(vi), that checked Schedule A (Form 990 or 990-EZ), Part II, line 13, 16a, or 16b, and that received from any one contributor, during the year, total contributions of the greater of (1) $5,000 or (2) 2% of the amount on (i) Form 990, Part VIII, line 1h, or (ii) Form 990-EZ, line 1. Complete Parts I and II.

For an organization described in section 501(c)(7), (8), or (10) filing Form 990 or 990-EZ that received from any one contributor,
during the year, total contributions of more than $1,000 exclusively for religious, charitable, scientific, literary, or educational purposes, or for the prevention of cruelty to children or animals. Complete Parts I, II, and III.

For an organization described in section 501(c)(7), (8), or (10) filing Form 990 or 990-EZ that received from any one contributor,
during the year, contributions exclusively for religious, charitable, etc., purposes, but no such contributions totaled more than $1,000. If this box is checked, enter here the total contributions that were received during the year for an exclusively religious, charitable, etc., purpose. Don't complete any of the parts unless the General Rule applies to this organization because it received nonexclusively religious, charitable, etc., contributions totaling $5,000 or more during the year ......... Arrow Bullet

Caution: An organization that isn't covered by the General Rule and/or the Special Rules doesn't file Schedule B (Form 990,
990-EZ, or 990-PF), but it must answer “No” on Part IV, line 2, of its Form 990; or check the box on line H of its Form 990-EZ
or on its Form 990PF, Part I, line 2, to certify that it doesn't meet the filing requirements of Schedule B (Form 990,
990-EZ, or 990-PF).

For Paperwork Reduction Act Notice, see the Instructions
for Form 990, 990-EZ, or 990-PF.

Cat. No. 30613XSchedule B (Form 990, 990-EZ, or 990-PF) (2020)

Schedule B (Form 990, 990-EZ, or 990-PF) (2020) Page 2

Name of organization PEIERLS FOUNDATION

Part I Contributors	Contributors (see instructions). Use duplicate copies of Part I if additional space is needed.
(a) No.	(b) Name, address, and ZIP + 4	(c) Total contributions	(d) Type of contribution
1	UD ETHEL F PEIERLS CHAR LEAD TRUST NORTHERN TRUST 131 N MARKET ST 530 WILMINGTON, DE19801	$ 938,128	Person Payroll Noncash (Complete Part II for noncash contributions.)
(a) No.	(b) Name, address, and ZIP + 4	(c) Total contributions	(d) Type of contribution
2	E JEFFREY PEIERLS 73 SOUTH HOLMAN WAY GOLDEN, CO80401	$ 20,700	Person Payroll Noncash (Complete Part II for noncash contributions.)
(a) No.	(b) Name, address, and ZIP + 4	(c) Total contributions	(d) Type of contribution
3	BRIAN PEIERLS 3017 MCCURDY STREET AUSTIN, TX78723	$ 59,975	Person Payroll Noncash (Complete Part II for noncash contributions.)
(a) No.	(b) Name, address, and ZIP + 4	(c) Total contributions	(d) Type of contribution
4	E JEFFREY PEIERLS 73 SOUTH HOLMAN WAY lakewood, CO80226	$ 823,894	Person Payroll Noncash (Complete Part II for noncash contributions.)
(a) No.	(b) Name, address, and ZIP + 4	(c) Total contributions	(d) Type of contribution
5	E JEFFREY PEIERLS 73 SOUTH HOLMAN WAY lakewood, CO80226	$ 245,449	Person Payroll Noncash (Complete Part II for noncash contributions.)
(a) No.	(b) Name, address, and ZIP + 4	(c) Total contributions	(d) Type of contribution
6	E JEFFREY PEIERLS 73 SOUTH HOLMAN WAY lakewood, CO80226	$ 604,021	Person Payroll Noncash (Complete Part II for noncash contributions.)
Schedule B (Form 990, 990-EZ, or 990-PF) (2020)

Schedule B (Form 990, 990-EZ, or 990-PF) (2020)

Page 3

Name of organization PEIERLS FOUNDATION		Employer identification number 13-6082503

Part II	Noncash Property (see instructions). Use duplicate copies of Part II if additional space is needed.
(a) No. from Part I	(b) Description of noncash property given	(c) FMV (or estimate) (See instructions)	(d) Date received
		$
(a) No. from Part I	(b) Description of noncash property given	(c) FMV (or estimate) (See instructions)	(d) Date received
		$
(a) No. from Part I	(b) Description of noncash property given	(c) FMV (or estimate) (See instructions)	(d) Date received
		$
(a) No. from Part I	(b) Description of noncash property given	(c) FMV (or estimate) (See instructions)	(d) Date received
		$
(a) No. from Part I	(b) Description of noncash property given	(c) FMV (or estimate) (See instructions)	(d) Date received
		$
(a) No. from Part I	(b) Description of noncash property given	(c) FMV (or estimate) (See instructions)	(d) Date received
		$
Schedule B (Form 990, 990-EZ, or 990-PF) (2020)

Schedule B (Form 990, 990-EZ, or 990-PF) (2020)

Page 4


Name of organization PEIERLS FOUNDATION			Employer identification number 13-6082503
Part III Exclusively religious, charitable, etc., contributions to organizations described in section 501(c)(7), (8), or (10) that total more than $1,000 for the year from any one contributor. Complete columns (a) through (e) and the following line entry. For organizations completing Part III, enter the total of exclusively religious, charitable, etc., contributions of $1,000 or less for the year. (Enter this information once. See instructions.) $ Use duplicate copies of Part III if additional space is needed.

(a)
No. from Part I

(b) Purpose of gift

(d) Description of how gift is held

(e) Transfer of gift
Transferee's name, address, and ZIP 4	Relationship of transferor to transferee

(a)
No. from Part I

(b) Purpose of gift

(d) Description of how gift is held

(e) Transfer of gift
Transferee's name, address, and ZIP 4	Relationship of transferor to transferee

(a)
No. from Part I

(b) Purpose of gift

(d) Description of how gift is held

(e) Transfer of gift
Transferee's name, address, and ZIP 4	Relationship of transferor to transferee

(a)
No. from Part I

(b) Purpose of gift

(d) Description of how gift is held

(e) Transfer of gift
Transferee's name, address, and ZIP 4	Relationship of transferor to transferee

Schedule B (Form 990, 990-EZ, or 990-PF) (2020)

Additional Data

Software ID:
Software Version:

- TIN:

TY 2020 AccountingFeesSchedule

Name:

PEIERLS FOUNDATION

EIN:

13-6082503

Category	Amount	Net Investment Income	Adjusted Net Income	Disbursements for Charitable Purposes
TAX PREPARATION 2018	9,800	9,700		100

- TIN:

Note: To capture the full content of this document, please select landscape mode (11" x 8.5") when printing.

TY 2020 DepreciationSchedule

Name:

PEIERLS FOUNDATION

EIN:

13-6082503

Description of Property	Date Acquired	Cost or Other Basis	Prior Years' Depreciation	Computation Method	Rate / Life (# of years)	Current Year's Depreciation Expense	Net Investment Income	Adjusted Net Income	Cost of Goods Sold Not Included

- TIN:

TY 2020 InvestmentsCorpStockSchedule

Name:

PEIERLS FOUNDATION

EIN:

13-6082503

Name of Stock	End of Year Book Value	End of Year Fair Market Value
641 ACHIEVE LIFE SCIENCE CS
580017 9 METERS BIOPHARMA CS	832,755	736,690
210000 & AEROGROW INTL INC.	103,200	630,000
722000 ALTHEADX SER 2 CV PFD	999,898	999,898
683690 &&& ALTHEADX INC WTS		34,185
83000 ANGION BIOMEDICAL CORP C
502000 ANGION BIOMEDICAL CVP 1
502000 ANGION BIOMEDICAL CVP 1
249030 ANGION BIOMEDICAL COM	2,217,174	1,038,455
25826 ANGION BIOMEDICAL WTS
342966 AUGMEDIX INC CS	1,028,898	1,286,123
40008 BIONANO GENOMICS	24,405	203,241
8319876 CALIENT HOLDINGS (AGG)	2,968,808	7,487,888
536000 CALIENT HOLDINGS (7A)		402,000
419540 CALIENT HOLDINGS SER A	411,149	411,149
108571 CERECOR INC. COMMON
27200 CERTES NETWORKS, INC WTS		3
619903 CLEARPOINT NEURO INC CS
3029797 CLOSETBOX INC. COM	861,561	303
401612 CLOSETBOX, INC. WTS		40
171600 CLOSETBOX SER A-A CV PF
2858197 CLOSETBOX SER B-1 CV P
200000 COMMERCIAL TRIBE PFD	200,000	200,000
150000 COMPASS THERAPEUTICS	750,000	453,000
377 CROSSROADS SYSTMEMS, INC.
308017 ENTERA BIO LTD ORDINARY
462026 ENTERA BIO LTD ORD SHS	891,709	1,968,231
785060 HEALTHMINE SER A-3 CV P	730,263	730,263
1637000 INCARDA THERA CV PFD	1,199,594	1,199,594
409250 INCARDA THERA C PFD WAR		20,463
232090 ORCHESTRA BIOMED A PFD	2,458,352	3,481,350
25928 ORCHESTRA BIOMED B PFD	270,743	388,920
25928 ORCHESTRA BIOMED C PFD	214,167	388,920
43468 ORCHESTRA BIOMED WARRANT	9,856	405,122
245000 FLUOROFINDER CV NOTE 2	245,001	220,500
100000 FLUOROFINDER CV NOTE 3	100,000	90,000
60000 FLUOROFINDER CV NOTE 4	60,000	54,000
57351 FLUOROFINDER CV NOTE 5	57,351	57,351
516240 FLUOROFINDER CL A UNIT	15,580	61,949
1552441 FLUOROFINDER CL A-1 UN	14,962	186,293
234828 GENMARK DIAGNOSTICS
150000 HIBERNA CORP. COMMON
1380000 IMTHERA MEDI A-1 CV P		4,460,712
133200 KINDRED BIOSCIENCES INC
1000 LUMICELL INC CV PROM NOTE	1,000,000	1,000,000
700 MAGNOLIA MED TECH CV NOTE	700,000	700,000
319068 MARDIL SER B 4 PFR
132800 MARDIL SER 2 CV P NOTE
9298 MILLENDO THERAPEUTICS CS
9141 MOTUS GI HOLD 2/16/23	249	1
9380 MOTUS GI HOLDINGS COM	38,313	5,741
64079 MOTUS GI HOLD 12/22/21	161	6
153079 NANTCELL INC. COMMON
324731 NEUROTROPE INC COM
1500 NEW FRON EN B CV PD (DIV)	313,990	393
575.25 NEW FRON EN B CV PF	99,120	151
74974 OCUPHIRE PHARMA 6/8/26		7,497
231977 ORCHESTRA BIOMEND A PFD
43468 ORCHESTRABIOMED WARRANTS
25928 ORCHESTRA BIOMED B PFD
25928 ORCHESTRA BIOMED C PFD
512812 PDS BIOTECHNOLOGY
488383 PEERNOVA INC COM	781,510	4,884
198446.36 PEERNOVA CV NOTE 2	198,446	198,446
8151443 PEERNOVA A-4 CV PFD	732,071	815,144
198446.37 PEERNOVA 10/22/19		19,845
4200000 PEERNOVA A-3A CV PFD	252,000	420,000
358396 PEERNOVA WTS 10/12/18		35,840
2207600 PEERNOVA A-2A CV PFD	260,497	220,760
155000 PEERNOVA B CV PFD	389,825	389,825
5834 PETROS PHARMA A 12-9-25		1
7625 PETROS PHARMA B 12-9-25		1
23493PETROS PHARMA C 12-9-25		2
50000 &&& RAPT MEDIA CV NOTE	50,000	5
497000 SMARTKEM, INC. COM	994,000	994,000
17275 SUNDANCE ENERGY AUSTRIL
219500 VIRSEC SYSTEMS C CV PFD	765,199	765,199
317732 ADR EVOTEC AG ADS	1,398,035	7,625,568
49046 AGENUS INC COM	1,094,970	188,337
2300 AMERICAN INTL GRP INC COM	2,255,578	135,907
1228 AMERICAN INT'L GP WT EXP
113499 ATRECA INC CL A COM	1,407,781	587,925
108571 AVALO THERAPEUTICS INC	1,039,739	254,056
52829 AVID BIOSERVICES INC COM	634,242	1,620,794
5 BACTOLAC PHARMA INC COM	160,650	558,000
21289 BIOCEPT INC COM	1,011,992	79,195
1333 BIOCEPT INC WT 1-30-23	4,000
243900 BIOCRYST PHARMA COM	1,299,997	3,641,427
358264 BRICKELL BIOTECH COM	1,205,065	141,586
180000 BRICKELL BIOTECH INC WT	1,800	18
25343 CASSAVA SCIENCES, INC.
5886 CASSAVA SCIENCES INC COM	86,726	253,863
3361 CATALYST BIOSCIENCES COM	782,991	11,058
76 CEL-SCI CORP COM	92,834	851
1 CGROWTH CAP INC COM
58600 CISCO SYSTEMS INC	2,499,530	3,279,842
2255 GTX INC CVRS	1,402
1039654 MIRAGEN THERA CVRS		104
19074 CONTRAFECT COMMON
113374 CONTRAFECT CORP COM	1,314,512	427,420
49000 DIGI INTL INC COM	450,280	1,055,950
646 ENSERVCO CORP COM	32,645	749
117100 EVOKE PHARMA INC COM	1,123,949	144,033
88684 EXELIXIS INC COM	1,578,428	1,907,593
5979 FORESTAR GROUP INC COM	140,696	117,009
13654 GOOD TIMES REST INC COM	284,494	65,813
200955 GREENPOWER MTR COM	474,814	2,877,676
53100 HEAT BIOLOGICS INC COM	489,315	283,554
125371 IMMUNITYBIO INC COM	465,021	981,655
60400 INCYTE CORP COM	373,803	4,045,592
22000 IBM	2,683,168	2,752,200
342590 INVITAE
587650 INVITAE CORP COM	1,892,659	15,572,725
8680 KINROSS GOLD CORP COM	71,506	52,167
29419 LANTHEUS HLDGS INC COM	385,668	688,110
58933 LANTRONIX INC COM	779,706	571,650
424500 LEAP THERAPEUTICS COM	899,940	1,184,355
128571 LEXICON PHARMA INC	885,987	680,141
355610 MOTUS GI HLDGS INC. COM	1,383,245	217,633
364990 MOTUS GI HOLDINGS CS
38190 MS&AD INS GP HLDGS NPV	1,350,346	1,234,530
2850824 NEW FRONTIER ENEE COM	644,030	68,135
149948 OCUPHIRE PHARMA INC COM	730,997	590,795
130000 OMEROS CORP COM	824,411	815,100
130700 ONCTERNAL THERA COM	799,989	479,669
512812 PDS BIOTECHNOLOGY COM	1,577,386	6,174,256
64945 PETROS PHARMA COM	2,387,605	113,004
94900 PROGENICS PHARMA CVRS
72949 ALIEN TECH A PFD	208,113	7
176000 BLACK BEAR ENERGY COM	399,520	1,032,768
145092 CERTES NETWORKS A CV PF	145,092	14,509
5211 CERTES NETWORKS, INC. COM	521,104	1
482900 FLAGSHIP BIOSCIENCE COM	1,200,007	603,625
150000 HIBERNA CORPORATION COM	150,000	15
211000 MAGNOLIA MED SER B PFD	472,640	1,086,650
460000 ORPHEUS BIOSER B CV PFD	586,500	588,800
290000 OSTENDO TECH C-3 PFD	731,820	2,784,000
910746 RAPT MEDIA INC SER B PF	350,000	91
2367693 REFLEX SYSTEMS A PFD		237
382066 REFLEX SYSTEMS B PFD	15,265	38
1944643 TRICE MED D CV PFD	979,556	979,516
754387.36 TRICE MED WARRANTS		7,544
59342 VITAL ACCESS NOTE	59,342	1,484
540000 RING ENERGY INC COM	1,000,635	2,030,400
10576 ROOT9B HOLDINGS INC COM	112,771	76
246000 SANGAMO THERA INC COM	1,127,936	1,997,520
166700 SG BLOCKS INC COM	641,850	505,101
69400 MAGNOLIA MED C PFD	110,053	244,635
422288 SHUNFENG INTL EN LTD	99,522	6,503
5884 SOLITARIO ZINC CORP COM	6,884	3,339
62725 SOMPO HOLDINGS INC	1,817,571	2,721,889
80200 SORRENTO THERAPEUT	581,450	550,172
16236 SYNAPTOGENIX INC COM	220,699	96,448
56833 SYNAPTOGENIX F2 PRE-PD	338,726	582,538
55651 SYNAPTOGENIX G2 PRE-PD W	419,442	572,092
1459 SYNAPTOGENIX A WT 12-9-25		58
1906 SYNAPTOGENIX B WT 12-9-25		95
5873 SYNAPTOGENIX C WT 12-9-25		294
56833 SYNAPTOGENIX E 1/25/22		478,108
56833 SYNAPTOGENIX F 1/25/26		500,983
55651 SYNAPTOGENIX G 6-16-26		112,972
619 TEMPEST THERAPEUTICS COM	1,053,272	7,255
491428 THERAPEUTICSMD INC COM	874,712	357,760
59000 TOKIO MARINE HOLDINGS	896,155	3,103,518
41000 UNIQURE N.V. COM	634,354	1,249,270
144388 UNUM GROUP	2,696,056	3,677,562
922000 UR-ENERGY INC COM	972,483	1,604,280
31300 URSTADT BIDDLE CL A	148,285	614,732
31300 URSTADT BIDDLE COM	156,076	551,193
532231 VERASTEM INC COM	2,431,637	1,383,801
90000 VIATRIS INC	1,223,877	1,201,500
59.342 VITAL ACCESS PROM NOTES
69310 VIRIDIAN THERA COM	4,364,317	1,254,511
13600 YAMANASHI CHUO BK NPV	709,115	97,803

- TIN:

TY 2020 InvestmentsOtherSchedule2

Name:

PEIERLS FOUNDATION

EIN:

13-6082503

Category/ Item	Listed at Cost or FMV	Book Value	End of Year Fair Market Value
HEALTHQUEST PARTNERS AJAX II	AT COST	394,429	643,924
HEALTHQUEST AJAX III-A SPV, LP		174,171	171,948
HEALTHQUEST AJAX III SPV, LP		570,255	568,524
BOULDER VENTURES IV ANNEX, LP	AT COST	51,472	1,356,947
BOULDER VENTURES V, LP	AT COST	60,676	536,573
BOULDER VENTURES VI, LP			874,170
BOULDER VENTURES VII	AT COST	652,834	649,041
DELTA-V CN, LP	AT COST	606,000	889,800
DELTA-V CAPITAL 2015, L.P.	AT COST	1,385,587	1,842,244
DELTA-V CAPITAL FUND IV, L.P.		2,251,706	2,695,135
DELTA-V WF, LP		19,205	20,275
HEALTHQUEST PARTNERS II	AT COST	807,953	1,490,437
HEALTHQUEST PARTNERS III	AT COST	819,025	1,674,145
SOFINNOVA HEALTHQUEST PARTNERS	AT COST		943,306
HEALTHQUEST MADISON SPV, LP	AT COST	525,456	524,835
LONGWOOD FOUNDERS FUND LP		130,010	148,728
CALIENT HOLDINGS	AT COST	3,013,304
HAT AKSOR HOLDINGS LLC	AT COST	62,493	262,668
BV PARTNERS OPPORTUNITY FUND		250,000	375,000

- TIN:

TY 2020 LegalFeesSchedule

Name:

PEIERLS FOUNDATION

EIN:

13-6082503

Category	Amount	Net Investment Income	Adjusted Net Income	Disbursements for Charitable Purposes
DEPARTMENT OF LAW	1,500	1,500

- TIN:

TY 2020 OtherDecreasesSchedule

Name:

PEIERLS FOUNDATION

EIN:

13-6082503

Description	Amount
FMV IN EXCESS OF COST OF DONATED ASSETS	1,473,247
CALIENT HOLDINGS NON-DED	0
BASIS ADJUSTMENT TO PASS-THROUGHS	0

- TIN:

TY 2020 OtherExpensesSchedule

Name:

PEIERLS FOUNDATION

EIN:

13-6082503

Description	Revenue and Expenses per Books	Net Investment Income
HEALTHQUEST AJAX II SPV, LP	33,515	33,515
HEALTHQUEST AJAX III SPV, LP	16,130	16,130
BOULDER VENTURES IV, ANNEX, LP	405	405
BOULDER VENTURES V	1,550	1,550
BOULDER VENTURES VI, LP	63,201	63,201
BOULDER VENTURES VII, LP	68,074	68,074
SOFINNOVA HEALTHQUEST VENTURE	55,681	55,681
HEALTHQUEST PARTNERS III, LP	79,832	79,832
LONGWOOD FUND	45,518	45,518
HEALTHQUEST PARTNERS II, LP	39,676	39,676
DELTA-V CAPITAL 2015, LP	26,014	26,014
DELTA-V WF, LP	829	829
DELTA-V CN, LP	131	131
NEW YORK FILING FEE	1,500	1,500
ANNUAL FEE - ADVERTISEMENT	79	79
NORTHERN TRUST - MGMT	115,161	115,161
OTHER	1,524	1,524

- TIN:

TY 2020 OtherIncomeSchedule2

Name:

PEIERLS FOUNDATION

EIN:

13-6082503

Description	Revenue And Expenses Per Books	Net Investment Income
FLUORFINDER	59,702	59,702
ALIEN TECHNOLOGY INC	-752	-752
ALIEN TECHNOLOGY INC COD	1,344	1,344
HAT AKSOR HOLDINGS LLC	-419	-419

- TIN:

TY 2020 OtherIncreasesSchedule

Name:

PEIERLS FOUNDATION

EIN:

13-6082503

Description	Amount
BASIS ADJUSTMENT TO NEW PASS-THROUGHS	1,677,470
BOULDER VENTURES VL NEG BOOK VALUE	2,137,589
SONINNOVA HEALTHQUEST NEG BOOK VALUE	719,967

- TIN:

TY 2020 TaxesSchedule

Name:

PEIERLS FOUNDATION

EIN:

13-6082503

Category	Amount	Net Investment Income	Adjusted Net Income	Disbursements for Charitable Purposes
FOREIGN TAXES	44,441	44,441
EXCISE TAX	140,000