TY 2023 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.
right arrow

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

OMB No. 1545-0047

2023

Open to Public Inspection

For calendar year 2023, or tax year beginning 01-01-2023 , and ending 12-31-2023

Name of foundation
ELIZABETH & GEORGE L SANBORN FOUNDATION
FOR THE TREATMENT AND CURE OF CANCER

Number and street (or P.O. box number if mail is not delivered to street address)PO BOX 417
Room/suite

City or town, state or province, country, and ZIP or foreign postal code
ARLINGTON, MA024760052

A Employer identification number

04-3452444

B Telephone number (see instructions)

(617) 391-3092

C If exemption application is pending, check here right arrow

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............. right arrow

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

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

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 ....... right arrow

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

$7,416,366J 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	(d) Disbursements for charitable purposes (cash basis only)


1	Contributions, gifts, grants, etc., received (attach schedule)	6,270
2	Check .............
3	Interest on savings and temporary cash investments
4	Dividends and interest from securities...	136,762		136,762
5a	Gross rents............
b	Net rental income or (loss)
6a	Net gain or (loss) from sale of assets not on line 10		230,623
b	Gross sales price for all assets on line 6a 1,455,805
7	Capital gain net income (from Part IV, line 2)...			230,623
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).......
12	Total. Add lines 1 through 11........	373,655		367,385
13	Compensation of officers, directors, trustees, etc.	0		0	0
14	Other employee salaries and wages......	13,472		0	13,472
15	Pension plans, employee benefits.......	1,418		0	1,418
16a	Legal fees (attach schedule).........
b	Accounting fees (attach schedule).......	List of Attached Documents: // Content	9,450	0	9,450
c	Other professional fees (attach schedule)....	List of Attached Documents: // Content	102,036	57,736	55,000
17	Interest...............
18	Taxes (attach schedule) (see instructions)...	List of Attached Documents: // Content	4,308	0	0
19	Depreciation (attach schedule) and depletion...
20	Occupancy..............
21	Travel, conferences, and meetings.......
22	Printing and publications..........
23	Other expenses (attach schedule).......	List of Attached Documents: // Content	12,042	0	8,904
24	Total operating and administrative expenses.
	Add lines 13 through 23..........	142,726		57,736	88,244
25	Contributions, gifts, grants paid.......	525,961			525,961
26	Total expenses and disbursements. Add lines 24 and 25	668,687		57,736	614,205
27	Subtract line 26 from line 12:
a	Excess of revenue over expenses and disbursements	-295,032
b	Net investment income (if negative, enter -0-)			309,649
c	Adjusted net income (if negative, enter -0-)...

For Paperwork Reduction Act Notice, see instructions.

Cat. No. 11289X Form 990-PF (2023)

Form 990-PF (2023)

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.............	53,166	79,498	79,498
	2	Savings and temporary cash investments.........	926,469	876,822	876,822
	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..........	7,000	4,606	4,606
	10a	Investments—U.S. and state government obligations (attach schedule)	494,729	List of Attached Documents: // Content 507,061	507,061
	b	Investments—corporate stock (attach schedule).......	3,752,443	List of Attached Documents: // Content 4,133,166	4,133,166
	c	Investments—corporate bonds (attach schedule).......	291,260	List of Attached Documents: // Content 193,601	193,601
	11	Investments—land, buildings, and equipment: basis
		Less: accumulated depreciation (attach schedule)
	12	Investments—mortgage loans.............
	13	Investments—other (attach schedule)..........	1,408,401	List of Attached Documents: // Content 1,621,612	1,621,612
	14	Land, buildings, and equipment: basis
		Less: accumulated depreciation (attach schedule)
	15	Other assets (describe )	List of Attached Documents: // Content 45	List of Attached Documents: // Content 0	List of Attached Documents: // Content 0
	16	Total assets (to be completed by all filers—see the
		instructions. Also, see page 1, item I)	6,933,513	7,416,366	7,416,366
	17	Accounts payable and accrued expenses..........	24,375	14,718
	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 )	List of Attached Documents: // Content 24,484	List of Attached Documents: // Content 35,246
	23	Total liabilities (add lines 17 through 22).........	48,859	49,964
		Foundations that follow FASB ASC 958, check here
		and complete lines 24, 25, 29 and 30.
	24	Net assets without donor restrictions...........	31,310	34,139
	25	Net assets with donor restrictions............	6,853,344	7,332,263
		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).....	6,884,654	7,366,402
	30	Total liabilities and net assets/fund balances (see instructions).	6,933,513	7,416,366

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) ...............

6,884,654

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

-295,032

Other increases not included in line 2 (itemize) right arrow

List of Attached Documents:

// Content

776,780

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

7,366,402

Decreases not included in line 2 (itemize) right arrow

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

7,366,402

Form 990-PF (2023)

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
1 a	SALE OF SECURITIES
b	CAPITAL GAINS DIVIDENDS	P
c
d
e

(e) Gross sales price		(g) Cost or other basis plus expense of sale	(h) Gain or (loss) (e) plus (f) minus (g)
a	1,455,802	1,225,182	230,620
b	3		3
c
d
e

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			230,620
b			3
c
d
e

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	230,623
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

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)	1	4,304
b	All other domestic foundations enter 1.39% (0.0139) of line 27b. Exempt foreign organizations enter 4% (0.04) 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	0
3	Add lines 1 and 2...........................	3	4,304
4	Subtitle A (income) tax (domestic section 4947(a)(1) trusts and taxable foundations only. Others enter -0-)	4	0
5	Tax based on investment income. Subtract line 4 from line 3. If zero or less, enter -0- .....	5	4,304
6	Credits/Payments:

a	2023 estimated tax payments and 2022 overpayment credited to 2023	6a	2,500
b	Exempt foreign organizations—tax withheld at source......	6b	0
c	Tax paid with application for extension of time to file (Form 8868)...	6c	7,000
d	Backup withholding erroneously withheld ..........	6d	0

7	Total credits and payments. Add lines 6a through 6d..............		7	9,500
8	Enter any penalty for underpayment of estimated tax. Check here if Form 2220 is attached.		8	0
9	Tax due. If the total of lines 5 and 8 is more than line 7, enter amount owed.......		9
10	Overpayment. If line 7 is more than the total of lines 5 and 8, enter the amount overpaid...		10	5,196
11	Enter the amount of line 10 to be: Credited to 2024 estimated tax5,196	Refunded	11	0

Form 990-PF (2023)

Page 4

Part VI-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. right arrow

$ 0(2) On foundation managers. right arrow

$ 0

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

on foundation managers. right arrow

$ 0

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 XIV..................................

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 2023 or the taxable year beginning in 2023? See the instructions for Part XIII.

If "Yes," complete Part XIII .............................

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

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

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 right arrow

WWW.SANBORNFOUNDATION.ORG

The books are in care of right arrow

DANIEL BROSNAN TREASURER Telephone no. right arrow

(617) 391-3092

Located at right arrow

PO BOX 417ARLINGTONMA ZIP+4 right arrow

024760052

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

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

16 At any time during calendar year 2023, 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 right arrow

Form 990-PF (2023)

Page 5

Part VI-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? ...........

1a(1)

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

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

1a(2)

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

1a(3)

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

1a(4)

(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)? ......................

1a(5)

(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.) ...............

1a(6)

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 ........ right arrow

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 2023? .............

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 2023, did the foundation have any undistributed income (Part XII, lines 6d

and 6e) for tax year(s) beginning before 2023?....................

If "Yes," list the years right arrow

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? ..............................

If "Yes," did it have excess business holdings in 2023 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 2023.) .....................

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 2023? ..

Form 990-PF (2023)

Page 6

Part VI-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))? ..........

5a(1)

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

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

5a(2)

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

5a(3)

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

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

5a(4)

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

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

5a(5)

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 ......... right arrow

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? .................

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? .............................

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?

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? .........................

Part VII

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
LOURIE AUGUST LICSW	PRESIDENT 2.00	0	0	0
PO BOX 417 ARLINGTON,MA024760052	PRESIDENT 2.00	0	0	0
DONNA EIDSON	VICE PRESIDENT 2.00	0	0	0
PO BOX 417 ARLINGTON,MA024760052	VICE PRESIDENT 2.00	0	0	0
DANIEL BROSNAN CPA	TREASURER AND CLERK 2.00	0	0	0
PO BOX 417 ARLINGTON,MA024760052	TREASURER AND CLERK 2.00	0	0	0
RICHARD BELOFSKY CLU CHFC CFP	DIRECTOR 2.00	0	0	0
PO BOX 417 ARLINGTON,MA024760052	DIRECTOR 2.00	0	0	0
VICTORIA PALMER-ERBS PHD APRN BC	DIRECTOR 2.00	0	0	0
PO BOX 417 ARLINGTON,MA024760052	DIRECTOR 2.00	0	0	0
ROBIN SCHOENTHALER MD	DIRECTOR 2.00	0	0	0
PO BOX 417 ARLINGTON,MA024760052	DIRECTOR 2.00	0	0	0
KEVIN F WALL CPA ESQ	DIRECTOR 2.00	0	0	0
PO BOX 417 ARLINGTON,MA024760052	DIRECTOR 2.00	0	0	0
CRISTINA HOLT MD	DIRECTOR 2.00	0	0	0
PO BOX 417 ARLINGTON,MA024760052	DIRECTOR 2.00	0	0	0
JENNIFER TRIPP	FORMER DIRECTOR 2.00	0	0	0
PO BOX 417 ARLINGTON,MA024760052	FORMER DIRECTOR 2.00	0	0	0
JANE BIONDI	DIRECTOR 2.00	0	0	0
PO BOX 417 ARLINGTON,MA024760052	DIRECTOR 2.00	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
NONE









Total number of other employees paid over $50,000...................				0

Form 990-PF (2023)

Page 7

Part VII

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
NONE

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

Part VIII-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 VIII-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......................... right arrow

Form 990-PF (2023)

Page 8

Part IX

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...................

7,015,493

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

71,908

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

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

7,087,401

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.........................

7,087,401

Cash deemed held for charitable activities. Enter 1.5% (0.015) of line 3 (for greater amount, see

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

106,311

Net value of noncharitable-use assets. Subtract line 4 from line 3. ............

6,981,090

Minimum investment return. Enter 5% (0.05) of line 5................

349,055

Part X

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 IX, line 6..................

349,055

Tax on investment income for 2022 from Part V, line 5.......

4,304

Income tax for 2022. (This does not include the tax from Part V.) ...

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

4,304

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

344,751

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

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

344,751

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

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

344,751

Part XI

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 ..........

614,205

Program-related investments—total from Part VIII-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 XII, line 4. .......

614,205

Form 990-PF (2023)

Page 9

Part XII

Undistributed Income (see instructions)

		(a) Corpus	(b) Years prior to 2022	(c) 2022	(d) 2023
1 Distributable amount for 2023 from Part X, line 7					344,751
2 Undistributed income, if any, as of the end of 2022:
a Enter amount for 2022 only.......				0
b Total for prior years:20 , 20, 20			0
3 Excess distributions carryover, if any, to 2022:
a From 2018......
b From 2019......
c From 2020......	52,230
d From 2021......	72,146
e From 2022......	110,067
f Total of lines 3a through e ........		234,443
4Qualifying distributions for 2023 from Part
XI, line 4: $ 614,205
a Applied to 2022, but not more than line 2a				0
b Applied to undistributed income of prior years (Election required—see instructions).....			0
c Treated as distributions out of corpus (Election required—see instructions)........		0
d Applied to 2023 distributable amount.....					344,751
e Remaining amount distributed out of corpus		269,454
5 Excess distributions carryover applied to 2023.		0			0
(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		503,897
b Prior years’ undistributed income. Subtract line 4b from line 2b ..........			0
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......			0
d Subtract line 6c from line 6b. Taxable amount —see instructions ...........			0
e Undistributed income for 2022. Subtract line 4a from line 2a. Taxable amount—see instructions .............				0
f Undistributed income for 2023. Subtract lines 4d and 5 from line 1. This amount must be distributed in 2024 ..........					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) .......		0
8 Excess distributions carryover from 2018 not applied on line 5 or line 7 (see instructions) ...		0
9 Excess distributions carryover to 2024. Subtract lines 7 and 8 from line 6a ......		503,897
10 Analysis of line 9:
a Excess from 2019....
b Excess from 2020....	52,230
c Excess from 2021....	72,146
d Excess from 2022....	110,067
e Excess from 2023....	269,454

Form 990-PF (2023)

Page 10

Part XIII

Private Operating Foundations (see instructions and Part VI-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 2023, enter the date of the ruling ...... right arrow

b Check box to indicate whether the organization is a private operating foundation described in section 4942(j)(3) or4942(j)(5)

2a Enter the lesser of the adjusted net income from Part I or the minimum investment return from Part IX for each year listed ..........	Tax year	Prior 3 years			(e) Total
	(a) 2023	(b) 2022	(c) 2021	(d) 2020	(e) Total

b 85% (0.85) of line 2a .........
c Qualifying distributions from Part XI, 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 IX, 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 XIV

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).)

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 right arrow

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:

THE SANBORN FOUNDATION
PO BOX 417
ARLINGTON,MA024760052
(617) 391-3092

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

APPLICATIONS ARE SUBMITTED THROUGH THE FOUNDATION'S ONLINE PORTAL ON ITS WEBSITE SANBORNFOUNDATION.ORG. APPLICANTS MUST BE RESIDENTS OF ARLINGTON, MA. A LETTER IS REQUIRED FROM A PHYSICIAN STATING THE CANCER DIAGNOSIS AND NEED FOR THE REQUESTED SERVICE.

cAny submission deadlines:

NONE

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

INDIVIDUAL RECIPIENTS MUST PROVIDE A LETTER OF DIAGNOSIS FROM A PHYSICIAN (OR OTHER HEALTHCARE PROVIDER)

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

THE SANBORN FOUNDATION
PO BOX 417
ARLINGTON,MA024760052
(617) 391-3092

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

PROVIDE A STATEMENT OF THE NEED THAT THE PROJECT WILL ADDRESS. DESCRIBE THE PROJECT. INCLUDE GRANT REPORTING, PAST FUNDING, SUMMARIZE OUTCOMES, PROJECT AND ORGANIZATIONAL BUDGET. DESCRIBE, SPECIFICALLY, WHAT THE FUNDS WILL BE USED FOR. PROVIDE A DETAILED DESCRIPTION OF THE SERVICES, ACTIVITIES, OR EQUIPMENT FOR WHICH FUNDS ARE BEING REQUESTED. DESCRIBE YOUR ORGANIZATIONAL STRUCTURE AND SIZE. DESCRIBE HOW THE GRANT WILL BENEFIT THE COMMUNITY OF, OR INDIVIDUALS WITHIN, THE TOWN OF ARLINGTON, MASSACHUSETTS. ATTACH A DETAILED BUDGET, INCLUDING OTHER SOURCES OF FUNDS THAT MAY BE USED FOR THIS PROJECT, SUCH AS MATCHING GRANTS. DESCRIBE AN EVALUATION PLAN FOR THE PROJECT. HOW WILL THE EFFECTIVENESS OF THE FUNDED PROJECT BE DETERMINED? SEND 12 COPIES OF THE COMPLETED AND SIGNED APPLICATION

cAny submission deadlines:

NONE

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

GRANT AWARDEES MUST DEMONSTRATE HOW EFFORTS PRIMARILY BENEFIT OR CAN BE EXPECTED TO BENEFIT RESIDENTS OF ARLINGTON, MA

Form 990-PF (2023)

Page 11

Part XIV

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
ARLINGTON COUNCIL ON AGING 27 MAPLE STREET ARLINGTON,MA02476	NONE	PUBLIC CHARITY	FUNDING CANCER RELATED TRANSPORTATION	48,000
INDIRECT CONTRIBUTIONS PO BOX 417 ARLINGTON,MA02476	NONE	N/A	PROVIDING FINANCIAL ASSISTANCE TO INDIVIDUALS IN ARLINGTON, MA WHO HAVE A CANCER DIAGNOSIS	477,961
Total ................................. 3a				525,961

bApproved for future payment

Total ................................. 3b				0

Form 990-PF (2023)

Page 12

Part XV-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 ...........
4 Dividends and interest from securities ....			14	136,762
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	230,623
9 Net income or (loss) from special events:
10 Gross profit or (loss) from sales of inventory
11 Other revenue: a
b
c
d
e
12 Subtotal. Add columns (b), (d), and (e) ..		0		367,385	0

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

367,385

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

Part XV-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 XV-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 (2023)

Page 13

Part XVI

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 (2023)

Additional Data

Software ID:
Software Version:

Form 990PF - Special Condition Description:

Special Condition Description

- TIN:

TY 2023 AccountingFeesSchedule

Name:

ELIZABETH & GEORGE L SANBORN FOUNDATION

FOR THE TREATMENT AND CURE OF CANCER

EIN:

04-3452444

Category	Amount	Net Investment Income	Adjusted Net Income	Disbursements for Charitable Purposes
ACCOUNTING FEES	9,450	0		9,450

- TIN:

TY 2023 InvestmentsCorpBondsSchedule

Name:

ELIZABETH & GEORGE L SANBORN FOUNDATION

FOR THE TREATMENT AND CURE OF CANCER

EIN:

04-3452444

Name of Bond	End of Year Book Value	End of Year Fair Market Value
BANK OF AMERICA CORP 3.875% 01 AUG 2025	24,625	24,625
CISCO SYSTEMS INC 3.5% 15 JUN 2025	49,278	49,278
JPMORGAN CHASE & CO 2.95% 01 OCT 2026	23,824	23,824
PROCTER & GAMBLE CO/THE 3% 25 MAR 2030	46,852	46,852
SALESFORCE INC 3.7% 11 APR 2028	49,022	49,022

- TIN:

TY 2023 InvestmentsCorpStockSchedule

Name:

ELIZABETH & GEORGE L SANBORN FOUNDATION

FOR THE TREATMENT AND CURE OF CANCER

EIN:

04-3452444

Name of Stock	End of Year Book Value	End of Year Fair Market Value
ABBOTT LABORATORIES COM	46,339	46,339
ACADEMY SPORTS & OUTDOORS	7,062	7,062
ADOBE SYS INC COM	45,938	45,938
AGILENT TECHNOLOGIES INC COM	11,261	11,261
ALIGN TECHNOLOGY INC COM	18,632	18,632
ALNYLAM PHARMACEUTICALS INC COM	14,356	14,356
ALPHABET INC CAP STK CL C	98,087	98,087
ALPHABET INC CAP STK CLA	111,752	111,752
AMAZON.COM INC COM	189,317	189,317
AMERICAN TOWER CORPORTATION	29,576	29,576
AMERIPRISE FINL	34,565	34,565
AMETEK INC NEW COM	20,446	20,446
AMPHENOL CORP CL A	26,170	26,170
ANALOG DEVICES	46,860	46,860
ANSYS INC COM	15,241	15,241
APPLE INC COM	129,958	129,958
APTIV PLC COM NEW	8,793	8,793
ARES MANAGEMENT CORPORATION CL A COM	22,476	22,476
ASTRAZENECA PLC SPONSORED	62,838	62,838
AUTOMATIC DATA PROCESSING INC COM	22,365	22,365
AUTOZONE INC COM	23,270	23,270
AVANTOR INC COM	10,936	10,936
BERRY GLOBAL GROUP INC	12,939	12,939
BIO-RAD LABORATORIES INC	6,135	6,135
BLACKROCK INC COM	30,848	30,848
BLACKSTONE INC	51,844	51,844
CADENCE DESIGN SYSTEM INC COM	33,229	33,229
CENCORA INC	23,824	23,824
CHARLES RIV LABORATORIES INTL INC COM	14,184	14,184
CHIPOTLE MEXICAN GRILL INC CL A	18,296	18,296
CINTAS CORP	24,709	24,709
CISCO SYS INC COM	60,422	60,422
CME GROUP INC COM	34,960	34,960
COPART INC	21,609	21,609
COSTAR GROUP INC	10,137	10,137
COSTCO WHSL CORP NEW COM	32,344	32,344
CROWDSTRIKE HOLDINGS	41,362	41,362
CROWN HLDINGS INC COM	14,550	14,550
DANAHER CORP COM	66,626	66,626
DATADOG INC	26,704	26,704
DEXCOM INC	24,570	24,570
DOMINOES PIZZA	10,306	10,306
EDWARDS LIFESCIENCES CORP COM	35,609	35,609
ENPHASE ENERGY INC COM	13,610	13,610
ENTEGRIS INC COM	16,296	16,296
FIDELITY NATL INFORMATION SVCS INC COM	20,304	20,304
FISERV INC COM	42,110	42,110
FIVE BELOW	15,348	15,348
FLEETCOR TECHONOLOGIES INC COM	18,370	18,370
FLOOR & DECOR HLDGS INC CL A	12,718	12,718
FMC CORP COM NEW	7,818	7,818
GE HEALTHCARE TECHNOLOGIES INC	5,490	5,490
HOME DEPOT INC COM	83,172	83,172
HONEYWELL INTERNATIONAL INC COM	75,915	75,915
HOWMET AEROSPACE INC COM	19,104	19,104
HUBBELL INC COM	15,460	15,460
HUBSPOT INC	17,997	17,997
HUMANA INC COM	13,276	13,276
ICON PLC SHS	16,984	16,984
IDEX CORP COM	16,500	16,500
INGERSOLL RAND INC COM	18,330	18,330
INTERCONTINENTAL EXCHANGE, INC COM	48,418	48,418
IQVIA HLDGS INC COM	40,260	40,260
JPMORGAN CHASE & CO COM	44,566	44,566
KEYSIGHT TECHNOLOGIES	14,477	14,477
KLA CORPORATION	12,789	12,789
LAMB WESTON HOLDINGS INC	6,918	6,918
LIVE NATION ENTERTAINMENT INC COM	6,178	6,178
LIVENT	6,635	6,635
MARRIOTT INTERNATIONAL CL A	17,815	17,815
MARTIN MARIETTA MATERIALS COM	42,407	42,407
MARVELL TECHNOLOGY GROUP LTD	9,710	9,710
MASCO CORP COM	10,918	10,918
MCDONALD'S CORP	31,134	31,134
MICROCHIP TECHONOLOGY INC COM	19,840	19,840
MICROSOFT CORP COM	274,509	274,509
MONDELEZ INTL INC COM	32,883	32,883
MONSTER BEVERAGE CORP NEW COM	15,439	15,439
MSCI INC CL A	22,626	22,626
NEXTERA ENERGY INC COM	63,048	63,048
NVIVIA CORP	60,912	60,912
ON SEMICONDUCTOR CORP	6,599	6,599
OSHKOSH CORPORATION	8,131	8,131
OTIS WORLDWIDE CORP COM	42,409	42,409
PENTAIR PLC SHS	5,889	5,889
PEPSICO INC COM	43,989	43,989
PNC FINL SVCS GROUP INC COM	30,505	30,505
PROLOGIS INC COM	28,660	28,660
QUALCOMM INC COM	38,472	38,472
REGAL REXNORD CORP	10,805	10,805
REVVITY INC	11,368	11,368
ROPER TECHNOLOGIES, INC	82,321	82,321
ROSS STORES INC COM	24,910	24,910
SAIA INC	7,450	7,450
SALESFORCE COM INC COM	62,364	62,364
SBA COMMUNICATIONS CORP NEW CL A	15,982	15,982
S&P GLOBAL	70,483	70,483
SPROUTS FMRS MKT INC COM	13,134	13,134
STRYKER CORP COM	27,251	27,251
TE CONNECTIVITY LTD REG SHS	42,571	42,571
THERMO FISHER CORP COM	44,055	44,055
TJX COS INC NEW COM	33,396	33,396
T MOBILE US INC COM	46,015	46,015
TRACTOR SUPPLY CO COM	18,923	18,923
TRADE DESK INC/THE	17,630	17,630
TRADEWEB MARKETS INC	15,904	15,904
TRANSUNION COM	9,344	9,344
ULTA BEAUTY, INC	18,130	18,130
UNION PAC CORP COM	61,896	61,896
UNITEDHEALTH GROUP INC COM	104,767	104,767
US BANCORP DEL COM NEW	33,931	33,931
US FOODS HLDG CORP COM	13,578	13,578
VEEVA SYS INC CL A COM	20,215	20,215
VERALTO CORP	7,157	7,157
VICI PROPERTIES INC	13,868	13,868
VISA INC COM CL A	125,749	125,749
WALT DISNEY CO/THE	36,567	36,567
WEC ENERGY GROUP INC	13,551	13,551
WESCO INTERNATIONAL INC	5,216	5,216
ZOETIS INC	24,869	24,869
ZSCALER INC	11,299	11,299
ZURN WTR SOLUTIONS CORP	6,558	6,558
LINDE PLC	61,196	61,196
WASTE CONNECTIONS INC COM	14,330	14,330

- TIN:

TY 2023 InvestmentsGovtObligationsSch

Name:

ELIZABETH & GEORGE L SANBORN FOUNDATION

FOR THE TREATMENT AND CURE OF CANCER

EIN:

04-3452444

US Government Securities - End of Year Book Value:

507,061

US Government Securities - End of Year Fair Market Value:

507,061

State & Local Government Securities - End of Year Book Value:

State & Local Government Securities - End of Year Fair Market Value:

- TIN:

TY 2023 InvestmentsOtherSchedule2

Name:

ELIZABETH & GEORGE L SANBORN FOUNDATION

FOR THE TREATMENT AND CURE OF CANCER

EIN:

04-3452444

Category/ Item	Listed at Cost or FMV	Book Value	End of Year Fair Market Value
CIBC ATLAS INCOME OPPORTUNITIES	FMV	530,579	530,579
CIBC ATLAS ALL CAP GROWTH FUND	FMV	268,059	268,059
MFS INST INT EQUITY	FMV	655,130	655,130
MATTHEWS PACIFIC TIGER FUND	FMV	167,844	167,844

- TIN:

TY 2023 OtherAssetsSchedule

Name:

ELIZABETH & GEORGE L SANBORN FOUNDATION

FOR THE TREATMENT AND CURE OF CANCER

EIN:

04-3452444

Description	Beginning of Year - Book Value	End of Year - Book Value	End of Year - Fair Market Value
OTHER RECEIVABLE	45

- TIN:

TY 2023 OtherExpensesSchedule

Name:

ELIZABETH & GEORGE L SANBORN FOUNDATION

FOR THE TREATMENT AND CURE OF CANCER

EIN:

04-3452444

Description	Revenue and Expenses per Books	Disbursements for Charitable Purposes
MISCELLANEOUS	272	272
OFFICE EXPENSES	3,329	3,329
INSURANCE	1,005	1,005
TELECOMMUNICATIONS	420	420
INFORMATION TECHNOLOGY	7,016	3,878

- TIN:

TY 2023 OtherIncreasesSchedule

Name:

ELIZABETH & GEORGE L SANBORN FOUNDATION

FOR THE TREATMENT AND CURE OF CANCER

EIN:

04-3452444

Description	Amount
UNREALIZED GAIN/LOSS ON INVESTMENTS	774,270
ADJUSTMENT TO DEFERRED TAX EXPENSE	2,510

- TIN:

TY 2023 OtherLiabilitiesSchedule

Name:

ELIZABETH & GEORGE L SANBORN FOUNDATION

FOR THE TREATMENT AND CURE OF CANCER

EIN:

04-3452444

Description	Beginning of Year - Book Value	End of Year - Book Value
DEFERRED TAXES PAYABLE	24,484	35,246

- TIN:

TY 2023 OtherProfessionalFeesSchedule

Name:

ELIZABETH & GEORGE L SANBORN FOUNDATION

FOR THE TREATMENT AND CURE OF CANCER

EIN:

04-3452444

Category	Amount	Net Investment Income	Adjusted Net Income	Disbursements for Charitable Purposes
GRANT ADMINISTRATION AND ACCOUNTING	44,300	0		55,000
INVESTMENT ADVISORY FEES	57,736	57,736		0

- TIN:

TY 2023 TaxesSchedule

Name:

ELIZABETH & GEORGE L SANBORN FOUNDATION

FOR THE TREATMENT AND CURE OF CANCER

EIN:

04-3452444

Category	Amount	Net Investment Income	Adjusted Net Income	Disbursements for Charitable Purposes
INVESTMENT EXCISE TAX EXPENSE	4,308	0		0