Form990-PF

Department of the Treasury
Internal Revenue Service

Return of Private Foundation
or Section 4947(a)(1) Trust Treated as Private Foundation
right arrowDo not enter social security numbers on this form as it may be made public.
right arrowGo to www.irs.gov/Form990PF for instructions and the latest information.
OMB No. 1545-0047
2024
Open to Public Inspection
For calendar year 2024, or tax year beginning 01-01-2024 , and ending 12-31-2024
Name of foundation
Vin and Caren Prothro Foundation
 
Number and street (or P.O. box number if mail is not delivered to street address)3131 Turtle Creek Blvd 1210
 
Room/suite
City or town, state or province, country, and ZIP or foreign postal code
Dallas, TX75219
A Employer identification number

75-2911958
B Telephone number (see instructions)

(214) 540-4808
C right arrow
G Check all that apply:

D 1. Foreign organizations, check here............. right arrow
2. Foreign organizations meeting the 85%
test, check here and attach computation ...
right arrow
E right arrow
H Check type of organization:
F right arrow
I Fair market value of all assets at end
of year (from Part II, col. (c),
line 16)right arrow$11,161,527
J Accounting method:
 
(Part I, column (d) must be on cash basis.)
Part I 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)
Revenue 1 Contributions, gifts, grants, etc., received (attach schedule)  
2 Check right arrow.............
3 Interest on savings and temporary cash investments      
4 Dividends and interest from securities... 209,750 209,750  
5a Gross rents............      
b Net rental income or (loss)  
6a Net gain or (loss) from sale of assets not on line 10 190,188
b Gross sales price for all assets on line 6a 426,364
7 Capital gain net income (from Part IV, line 2)... 189,494
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)....... 41,287 42,827  
12 Total. Add lines 1 through 11........ 441,225 442,071  
Operating and Administrative Expenses 13 Compensation of officers, directors, trustees, etc.        
14 Other employee salaries and wages...... 54,426 21,770   32,656
15 Pension plans, employee benefits.......        
16a Legal fees (attach schedule).........        
b Accounting fees (attach schedule)....... 3,050 1,525   1,525
c Other professional fees (attach schedule)....        
17 Interest...............        
18 Taxes (attach schedule) (see instructions)... 4,787 2,287    
19 Depreciation (attach schedule) and depletion...      
20 Occupancy..............        
21 Travel, conferences, and meetings.......        
22 Printing and publications..........        
23 Other expenses (attach schedule)....... 795 428   367
24 Total operating and administrative expenses.
Add lines 13 through 23.......... 63,058 26,010   34,548
25 Contributions, gifts, grants paid....... 458,894 458,894
26 Total expenses and disbursements. Add lines 24 and 25 521,952 26,010   493,442
27 Subtract line 26 from line 12:
a Excess of revenue over expenses and disbursements -80,727
b Net investment income (if negative, enter -0-) 416,061
c Adjusted net income (if negative, enter -0-)...  
For Paperwork Reduction Act Notice, see instructions.
Cat. No. 11289X Form 990-PF (2024)
Form 990-PF (2024)
Page 2
Part II Balance Sheets Attached schedules and amounts in the description column
should be for end-of-year amounts only. (See instructions.)
Beginning of year End of year
(a) Book Value (b) Book Value (c) Fair Market Value
Assets 1 Cash—non-interest-bearing.............      
2 Savings and temporary cash investments......... 1,242,356 539,512 539,553
3 Accounts receivable right arrow  
Less: allowance for doubtful accounts right arrow        
4 Pledges receivable right arrow  
Less: allowance for doubtful accounts right arrow        
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) right arrow18,050
Less: allowance for doubtful accounts right arrow   18,050 Click to see attachment
List of Attached Documents:
// Content
18,050
18,050
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)....... 1,997,494 Click to see attachment
List of Attached Documents:
// Content
2,517,741
7,679,171
c Investments—corporate bonds (attach schedule).......      
11 Investments—land, buildings, and equipment: basis right arrow  
Less: accumulated depreciation (attach schedule) right arrow        
12 Investments—mortgage loans.............      
13 Investments—other (attach schedule).......... 2,764,644 Click to see attachment
List of Attached Documents:
// Content
2,869,115
2,916,747
14 Land, buildings, and equipment: basis right arrow17,682
Less: accumulated depreciation (attach schedule) right arrow17,682      
15 Other assets (describe right arrow) Click to see attachment
List of Attached Documents:
// Content
10,607
Click to see attachment
List of Attached Documents:
// Content
8,006
Click to see attachment
List of Attached Documents:
// Content
8,006
16 Total assets (to be completed by all filers—see the
instructions. Also, see page 1, item I) 6,033,151 5,952,424 11,161,527
Liabilities 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 right arrow)    
23 Total liabilities (add lines 17 through 22).........   0
Net Assets or Fund Balances Foundations that follow FASB ASC 958, check here right arrow
and complete lines 24, 25, 29 and 30.
24 Net assets without donor restrictions...........    
25 Net assets with donor restrictions............    
Foundations that do not follow FASB ASC 958, check here right arrow
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 6,033,151 5,952,424
29 Total net assets or fund balances (see instructions)..... 6,033,151 5,952,424
30 Total liabilities and net assets/fund balances (see instructions). 6,033,151 5,952,424
Part III
Analysis of Changes in Net Assets or Fund Balances
1
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) ...............
1
6,033,151
2
Enter amount from Part I, line 27a .....................
2
-80,727
3
Other increases not included in line 2 (itemize) right arrow
3
 
4
Add lines 1, 2, and 3 ..........................
4
5,952,424
5
Decreases not included in line 2 (itemize) right arrow
5
 
6
Total net assets or fund balances at end of year (line 4 minus line 5)—Part II, column (b), line 29 .
6
5,952,424
Form 990-PF (2024)
Form 990-PF (2024)
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 publicly traded securities P 2001-01-01 2024-12-31
b long-term capital gain dist. P 2001-01-01 2024-12-31
c K-1 pass-through capital gains (losses) P 2001-01-01 2024-12-31
d
e
(e)
Gross sales price
(f)
Depreciation allowed
(or allowable)
(g)
Cost or other basis
plus expense of sale
(h)
Gain or (loss)
(e) plus (f) minus (g)
a 424,736   236,176 188,560
b 5,666     5,666
c 4,732     -4,732
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       188,560
b       5,666
c       -4,732
d
e
2 Capital gain net income or (net capital loss) Bracket If gain, also enter in Part I, line 7
If (loss), enter -0- in Part I, line 7
Bracket 2 189,494
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 ...................
Bracket 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 right arrow and enter “N/A" on line 1. Bracket for line 1a
Date of ruling or determination letter:   (attach copy of letter if necessary–see instructions) 1 5,783
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  
3 Add lines 1 and 2........................... 3 5,783
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 5,783
6 Credits/Payments:
a 2024 estimated tax payments and 2023 overpayment credited to 2024 6a 108
b Exempt foreign organizations—tax withheld at source...... 6b  
c Tax paid with application for extension of time to file (Form 8868)... 6c 6,300
d Backup withholding erroneously withheld .......... 6d  
7 Total credits and payments. Add lines 6a through 6d.............. 7 6,408
8 Enter any penalty for underpayment of estimated tax. Check here if Form 2220 is attached. 8  
9 Tax due. If the total of lines 5 and 8 is more than line 7, enter amount owed.......right arrow 9  
10 Overpayment. If line 7 is more than the total of lines 5 and 8, enter the amount overpaid...right arrow 10 625
11 Enter the amount of line 10 to be: Credited to 2025 estimated taxright arrow625 Refundedright arrow 11  
Form 990-PF (2024)
Form 990-PF (2024)
Page 4
Part VI-A
Statements Regarding Activities
1a
During the tax year, did the foundation attempt to influence any national, state, or local legislation or did
Yes
No
it participate or intervene in any political campaign? ....................
1a
 
No
b
Did it spend more than $100 during the year (either directly or indirectly) for political purposes? See the instructions
for the definition.................................
1b
 
No
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.
c
Did the foundation file Form 1120-POL for this year?.....................
1c
 
No
d
Enter the amount (if any) of tax on political expenditures (section 4955) imposed during the year:
(1) On the foundation. right arrow$   (2) On foundation managers.right arrow$  
e
Enter the reimbursement (if any) paid by the foundation during the year for political expenditure tax imposed
on foundation managers.right arrow$  
2
Has the foundation engaged in any activities that have not previously been reported to the IRS?.......
2
 
No
If "Yes," attach a detailed description of the activities.
3
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....
3
 
No
4a
Did the foundation have unrelated business gross income of $1,000 or more during the year?.........
4a
Yes
 
b
If "Yes," has it filed a tax return on Form 990-T for this year?...................
4b
Yes
 
5
Was there a liquidation, termination, dissolution, or substantial contraction during the year?.........
5
 
No
If "Yes," attach the statement required by General Instruction T.
6
Are the requirements of section 508(e) (relating to sections 4941 through 4945) satisfied either:
round bullet By language in the governing instrument, or
round bullet 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? ................
6
Yes
 
7
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..................................
7
Yes
 
8a
Enter the states to which the foundation reports or with which it is registered (see instructions)
right arrowTX
b
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 .
8b
Yes
 
9
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 2024 or the taxable year beginning in 2024? See the instructions for Part XIII.
If "Yes," complete Part XIII .............................
9
 
No
10
Did any persons become substantial contributors during the tax year? If "Yes," attach a schedule listing their names
and addresses. ...............................
10
 
No
11
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 .............
11
 
No
12
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.................
12
 
No
13
Did the foundation comply with the public inspection requirements for its annual returns and exemption application?
13
Yes
 
Website addressright arrowN/A
14
The books are in care ofright arrowDori Kawai Telephone no.right arrow (214) 540-4808

Located atright arrow3131 Turtle Creek Blvd Ste 1210DallasTX ZIP+4right arrow75219
15
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
15
 
16 At any time during calendar year 2024, 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 (2024)
Form 990-PF (2024)
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
No
1a
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)
 
No
(2) Borrow money from, lend money to, or otherwise extend credit to (or accept it from)
a disqualified person? ..............................
1a(2)
 
No
(3) Furnish goods, services, or facilities to (or accept them from) a disqualified person? ...........
1a(3)
 
No
(4) Pay compensation to, or pay or reimburse the expenses of, a disqualified person? ............
1a(4)
Yes
 
(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)
 
No
(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)
 
No
b
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 ..........
1b
 
No
c
Organizations relying on a current notice regarding disaster assistance check here ........right arrow
d
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 2024? .............
1d
 
No
2
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)):
a
At the end of tax year 2024, did the foundation have any undistributed income (Part XII, lines 6d
and 6e) for tax year(s) beginning before 2024?....................
2a
 
No
If "Yes," list the years right arrow20, 20, 20, 20
b
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.) ..............
2b
 
 
c
If the provisions of section 4942(a)(2) are being applied to any of the years listed in 2a, list the years here.
right arrow20, 20, 20, 20
3a
Did the foundation hold more than a 2% direct or indirect interest in any business enterprise at
any time during the year? ..............................
3a
 
No
b
If "Yes," did it have excess business holdings in 2024 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 2024.) .....................
3b
 
 
4a
Did the foundation invest during the year any amount in a manner that would jeopardize its charitable purposes?
4a
 
No
b
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 2024? ..
4b
 
No
Form 990-PF (2024)
Form 990-PF (2024)
Page 6
Part VI-B
Statements Regarding Activities for Which Form 4720 May Be Required (continued)
5a
During the year did the foundation pay or incur any amount to:
Yes
No
(1) Carry on propaganda, or otherwise attempt to influence legislation (section 4945(e))? ..........
5a(1)
 
No
(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)
 
No
(3) Provide a grant to an individual for travel, study, or other similar purposes? .............
5a(3)
 
No
(4) Provide a grant to an organization other than a charitable, etc., organization described
in section 4945(d)(4)(A)? See instructions ........................
5a(4)
 
No
(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)
 
No
b
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 ........
5b
 
 
c
Organizations relying on a current notice regarding disaster assistance check .........right arrow
d
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? .................
5d
 
 
If "Yes," attach the statement required by Regulations section 53.4945–5(d).
6a
Did the foundation, during the year, receive any funds, directly or indirectly, to pay premiums on
a personal benefit contract? .............................
6a
 
No
b
Did the foundation, during the year, pay premiums, directly or indirectly, on a personal benefit contract? ....
6b
 
No
If "Yes" to 6b, file Form 8870.
7a
At any time during the tax year, was the foundation a party to a prohibited tax shelter transaction?
7a
 
No
b
If "Yes", did the foundation receive any proceeds or have any net income attributable to the transaction? .....
7b
 
 
8
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? .........................
8
 
No
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
Caren H Prothro Chair Em./Dir.
3.00
0    
3131 Turtle Creek Blvd 1210
Dallas,TX75219
Nita C Clark Pres./Director
3.00
0    
3131 Turtle Creek Blvd 1210
Dallas,TX75219
Vincent H Prothro VP/Director
0.10
0    
3131 Turtle Creek Blvd 1210
Dallas,TX75219
J H Cullum Clark Sec,Treas./Dir.
1.00
0    
3131 Turtle Creek Blvd 1210
Dallas,TX75219
Dori Kawai CFO
1.00
0    
3131 Turtle Creek Blvd 1210
Dallas,TX75219
Douglas C Denby CIO
0.50
0    
3131 Turtle Creek Blvd 1210
Dallas,TX75219
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...................right arrow  
Form 990-PF (2024)
Form 990-PF (2024)
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 (2024)
Form 990-PF (2024)
Page 8
Part IX
Minimum Investment Return (All domestic foundations must complete this part. Foreign foundations, see instructions.)
1
Fair market value of assets not used (or held for use) directly in carrying out charitable, etc.,
purposes:
a
Average monthly fair market value of securities...................
1a
10,121,847
b
Average of monthly cash balances.......................
1b
894,959
c
Fair market value of all other assets (see instructions)................
1c
0
d
Total (add lines 1a, b, and c).........................
1d
11,016,806
e
Reduction claimed for blockage or other factors reported on lines 1a and
1c (attach detailed explanation) .............
1e
0
2
Acquisition indebtedness applicable to line 1 assets..................
2
 
3
Subtract line 2 from line 1d.........................
3
11,016,806
4
Cash deemed held for charitable activities. Enter 1.5% (0.015) of line 3 (for greater amount, see
instructions) .............................
4
165,252
5
Net value of noncharitable-use assets. Subtract line 4 from line 3. ............
5
10,851,554
6
Minimum investment return. Enter 5% (0.05) of line 5................
6
542,578
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.)
1
Minimum investment return from Part IX, line 6..................
1
542,578
2a
Tax on investment income for 2024 from Part V, line 5 .......
2a
5,783
b
Income tax for 2024. (This does not include the tax from Part V.) ...
2b
 
c
Add lines 2a and 2b............................
2c
5,783
3
Distributable amount before adjustments. Subtract line 2c from line 1............
3
536,795
4
Recoveries of amounts treated as qualifying distributions................
4
 
5
Add lines 3 and 4............................
5
536,795
6
Deduction from distributable amount (see instructions).................
6
 
7
Distributable amount as adjusted. Subtract line 6 from line 5. Enter here and on Part XII, line 1 ...
7
536,795
Part XI
Qualifying Distributions (see instructions)
1
Amounts paid (including administrative expenses) to accomplish charitable, etc., purposes:
a
Expenses, contributions, gifts, etc.—total from Part I, column (d), line 26 ..........
1a
493,442
b
Program-related investments—total from Part VIII-B..................
1b
 
2
Amounts paid to acquire assets used (or held for use) directly in carrying out charitable, etc.,
purposes...............................
2
 
3
Amounts set aside for specific charitable projects that satisfy the:
a
Suitability test (prior IRS approval required)....................
3a
 
b
Cash distribution test (attach the required schedule) .................
3b
 
4
Qualifying distributions. Add lines 1a through 3b. Enter here and on Part XII, line 4. .......
4
493,442
Form 990-PF (2024)
Form 990-PF (2024)
Page 9
Part XII
Undistributed Income (see instructions)
(a)
Corpus
(b)
Years prior to 2023
(c)
2023
(d)
2024
1 Distributable amount for 2024 from Part X, line 7 536,795
2 Undistributed income, if any, as of the end of 2024:
a Enter amount for 2023 only.......  
b Total for prior years:20 , 20, 20  
3 Excess distributions carryover, if any, to 2024:
a From 2019...... 239,960
b From 2020...... 21,025
c From 2021......  
d From 2022...... 11,433
e From 2023...... 6,811
f Total of lines 3a through e ........ 279,229
4Qualifying distributions for 2024 from Part
XI, line 4: right arrow$ 493,442
a Applied to 2023, but not more than line 2a  
b Applied to undistributed income of prior years
(Election required—see instructions).....
 
c Treated as distributions out of corpus (Election
required—see instructions)........
0
d Applied to 2024 distributable amount..... 493,442
e Remaining amount distributed out of corpus  
5 Excess distributions carryover applied to 2024. 43,353 43,353
(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 5 235,876
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 2023. Subtract line
4a from line 2a. Taxable amount—see
instructions .............
 
f Undistributed income for 2024. Subtract
lines 4d and 5 from line 1. This amount must
be distributed in 2025 ..........
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 2019 not
applied on line 5 or line 7 (see instructions) ...
196,607
9 Excess distributions carryover to 2025.
Subtract lines 7 and 8 from line 6a ......
39,269
10 Analysis of line 9:
a Excess from 2020.... 21,025
b Excess from 2021....  
c Excess from 2022.... 11,433
d Excess from 2023.... 6,811
e Excess from 2024....  
Form 990-PF (2024)
Form 990-PF (2024)
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 2024, enter the date of the ruling ...... right arrow
 
b Check box to indicate whether the organization is a private operating foundation described in section or
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) 2024 (b) 2023 (c) 2022 (d) 2021
         
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).)
Caren H Prothro
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 email address of the person to whom applications should be addressed:
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 (2024)
Form 990-PF (2024)
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)
aPaid during the year
ATT Performing Arts Center


700 N Pearl Street Suite N1800
Dallas,TX75201
N/A PC General operating support 5,834
Cornerstone Community Partnerships


PO Box 2341
Santa Fe,NM87504
N/A PC Annual support 500
Dallas Opera


2403 Flora Street Suite 500
Dallas,TX75201
N/A PC The Dallas Opera's Annual Campaign support 1,000
Dallas Symphony Association Inc


2301 Flora Street Suite 300
Dallas,TX75201
N/A PC Annual support 4,167
George W Bush Foundation


2943 SMU Blvd
Dallas,TX75205
N/A PC Leadership Circle general support 3,334
Junior League of Dallas


8003 Inwood Rd
Dallas,TX75209
N/A PC General operating support and special event underwriting 1,250
Letot Center Capital Foundation


10505 Denton Drive
Dallas,TX75220
N/A PC Scholarship support honoring Craig Evans 2,500
Lumin Education


7130 Lindsley Avenue
Dallas,TX75223
N/A PC General operating support honoring Terry Ford 500
Museum of New Mexico Foundation


P O Box 2065
Santa Fe,NM87504
N/A PC Special event underwriting 1,000
SM Wright Foundation


9213 Sovereign Row
Dallas,TX75247
N/A PC General operating support 5,000
Senior Source


3910 Harry Hines Blvd
Dallas,TX75219
N/A PC Spirit of Generations special event underwriting 2,500
Southern Methodist University


P O Box 750100
Dallas,TX75275
N/A PC Multi-year funding towards the Owens Art Center Renovation in honor of Nancy McMillan Dedman 71,430
Southern Methodist University


P O Box 750100
Dallas,TX75275
N/A PC Meadows at the Meyerson special event underwriting 1,250
Southern Methodist University


P O Box 750100
Dallas,TX75275
N/A PC J. Erik Jonsson Ethics Award luncheon special event underwriting 1,000
Southern Methodist University


P O Box 750100
Dallas,TX75275
N/A PC Towards the Distinguished Alumni Award Fund 5,000
Southern Methodist University


P O Box 750100
Dallas,TX75275
N/A PC Towards Tables of Content event supporting SMU libraries 1,000
Southern Methodist University


P O Box 750100
Dallas,TX75275
N/A PC Towards Friends of SMU in Taos 2,500
Southern Methodist University


P O Box 750100
Dallas,TX75275
N/A PC Multi-year funding towards the Caren and Vin Prothro Organ for Perkins Chapel 20,000
Southwestern Medical Foundation


3889 Maple Ave Ste 100
Dallas,TX75219
N/A PC DocStars sponsorship and general operating support 5,000
St Philip's School Community Center


1600 Pennsylvania Ave
Dallas,TX75215
N/A PC Annual support 1,545
Texas State History Museum Foundato


P O Box 12456
Austin,TX78711
N/A PC 2024 History Making Texan State Award special event honoring Kern Wildenthal 1,250
United Way of Metropolitan Dallas


1800 N Lamar
Dallas,TX75202
N/A PC Ruth Sharp Altshuler Tocqueville Society 3,334
Uplift Education


3000 Pegasus Park Dr Suite 1100
Dallas,TX75247
N/A PC Towards the Hampton Athletics Complex Track and general support 12,500
UT Southwestern Medical Center


5323 Harry Hines Blvd
Dallas,TX75390
N/A GOV Multi-year funding towards the Outpatient Cancer Care Tower 20,000
Wake Forest University


1834 Wake Forest Rd
WinstonSalem,NC27109
N/A PC Towards The Wake Forest Fund 2,500
Yale University


195 Prospect St
New Haven,CT06511
N/A PC Multi-year funding for the School of the Environment 283,000
Total .................................right arrow 3a 458,894
bApproved for future payment
Southern Methodist University

P O Box 750100
Dallas,TX75275
N/A PC Multi-year funding towards the Owens Art Center Renovation in honor of Nancy McMillan Dedman 71,420
Southern Methodist University

P O Box 750100
Dallas,TX75275
N/A PC Multi-year funding towards the Caren and Vin Prothro Organ for Perkins Chapel 40,000
UT Southwestern Medical Center

5323 Harry Hines Blvd
Dallas,TX75390
N/A GOV Multi-year funding towards the Outpatient Cancer Center Tower 40,000
Yale University

195 Prospect Street
New Haven,CT06511
N/A PC Multi-year funding for The School of the Environment 284,000
Total ................................. right arrow 3b 435,420
Form 990-PF (2024)
Form 990-PF (2024)
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
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 ....     14 209,750  
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 ............
901101 694 18 189,494  
9 Net income or (loss) from special events:          
10 Gross profit or (loss) from sales of inventory          
11 Other revenue:
aK-1 3662 Investors
901101 -97 14 -1,457  
bK-1 TCW Securitized Opp     14 32,008  
cOther investment income     14 10,833  
d
e
12 Subtotal. Add columns (b), (d), and (e) .. 597 440,628  
13Total. Add line 12, columns (b), (d), and (e)..................
13
441,225
(See worksheet in line 13 instructions to verify calculations.)
Part XV-B
Relationship of Activities to the Accomplishment of Exempt Purposes
Line No.
DownArrow
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 (2024)
Form 990-PF (2024)
Page 13
Part XVI
Information Regarding Transfers To and Transactions and Relationships With Noncharitable Exempt Organizations
1
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
No
a
Transfers from the reporting foundation to a noncharitable exempt organization of:
(1) Cash...................................
1a(1)
 
No
(2) Other assets.................................
1a(2)
 
No
b
Other transactions:
(1) Sales of assets to a noncharitable exempt organization....................
1b(1)
 
No
(2) Purchases of assets from a noncharitable exempt organization..................
1b(2)
 
No
(3) Rental of facilities, equipment, or other assets.......................
1b(3)
 
No
(4) Reimbursement arrangements...........................
1b(4)
 
No
(5) Loans or loan guarantees.............................
1b(5)
 
No
(6) Performance of services or membership or fundraising solicitations................
1b(6)
 
No
c
Sharing of facilities, equipment, mailing lists, other assets, or paid employees..............
1c
 
No
d
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
2a
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? ...........
b
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.
right arrow right arrow
May the IRS discuss this return
with the preparer shown below?
See instructions.
Signature of officer or trustee Date Title
Paid Preparer Use Only Print/Type preparer's name Preparer's Signature Date Check if self-
employed right arrow
PTIN
Firm's name Right Arrow
Firm's EIN Right Arrow
Firm's address Right Arrow


Phone no.
Form 990-PF (2024)
Additional Data


Software ID: 24020490
Software Version: 2024v5.2


Form 990PF - Special Condition Description:
Special Condition Description

TY 2024 AccountingFeesSchedule
Name:
Vin and Caren Prothro Foundation
EIN:
75-2911958
Software ID:
24020490
Software Version:
2024v5.2
Category Amount Net Investment Income Adjusted Net Income Disbursements for Charitable Purposes
Tax preparation services 3,050 1,525 0 1,525

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

TY 2024 GainLossSaleOtherAssetsSch
Name:
Vin and Caren Prothro Foundation
EIN:
75-2911958
Software ID:
24020490
Software Version:
2024v5.2
Name Date Acquired How Acquired Date Sold Purchaser Name Gross Sales Price Basis Basis Method Sales Expenses Total (net) Accumulated Depreciation
K-1 pass-through capital gains (losses) 2001-01 Purchase 2024-12   694   Cost   694  

TY 2024 InvestmentsCorpStockSchedule
Name:
Vin and Caren Prothro Foundation
EIN:
75-2911958
Software ID:
24020490
Software Version:
2024v5.2
Name of Stock End of Year Book Value End of Year Fair Market Value
3196 shs Apple Inc. 48,249 800,342
3000 shs Arch Capital Group 69,765 277,050
550 shs Accenture PLC CL A 20,000 193,485
595 shs Amentum Holdings Inc. 13,620 12,513
2960 shs Amazon.com Inc. 101,154 649,394
1376 shs Berkshire Hathaway Inc. Cl B 148,035 623,713
395 shs Caterpillar Inc 75,864 143,290
1050 shs Canadian Pacific Railway Ltd 76,051 75,988
366 shs Danaher Corp 88,856 84,015
2900 shs Alphabet Inc/CA CL C 70,299 552,276
1580 shs Alphabet Inc/CA CL A 27,304 299,094
595 shs Jacobs Engineering Group Inc. 61,629 79,504
950 shs Johnson & Johnson 115,947 137,389
1453 shs JPMorgan Chase & Co 73,057 348,299
346 shs Linde PLC 100,904 144,860
200 shs Eli Lilly & Co 148,056 154,400
150 shs Lockheed Martin Corp 66,800 72,891
810 shs Mastercard Inc. 13,453 426,522
1300 shs Microsoft Corp 36,069 547,950
1110 shs Nestle SA 74,067 90,687
2000 shs Novo-Nordisk 249,694 172,040
600 shs Thermo Fisher Scientific 77,292 312,138
550 shs Texas Instruments Inc. 51,630 103,131
1236 shs VISA Inc. Class A 17,011 390,625
350 shs Vertex Pharmaceuticals 144,093 140,945
5601 shs Walmart Inc. 195,453 506,050
1600 shs SPDR S&P Biotech ETF 147,782 144,096
75 shs LVMH Moet Hennesey Louis 54,554 49,355
20300 shs AIA Group Ltd 151,053 147,129

TY 2024 InvestmentsOtherSchedule2
Name:
Vin and Caren Prothro Foundation
EIN:
75-2911958
Software ID:
24020490
Software Version:
2024v5.2
Category/ Item Listed at Cost or FMV Book Value End of Year Fair Market Value
3662 Investors, LP AT COST 5,500 83,047
RB East Wing Property LLC AT COST 100,000 125,000
TCW Securitized Opportunities LP AT COST 467,793 425,014
178695 shs JPMorgan Managed Income AT COST 1,789,817 1,790,523
2654 shs Driehaus Emerging Mkts Gr Fd AT COST 84,033 97,807
4570 shs Driehaus Micro Cap Growth Fund AT COST 52,370 63,796
11796 shs Matthews Asia Dividend AT COST 192,297 166,092
792 shs Matthews Japan Fund AT COST 16,340 15,857
4845 shs Matthews Pacific Tiger AT COST 98,287 85,664
3627 shs Matthews Asia Dividend AT COST 51,198 51,072
3732 shs Wasatch Frontier Em Sm Cos AT COST 11,480 12,875

TY 2024 LandEtcSchedule2
Name:
Vin and Caren Prothro Foundation
EIN:
75-2911958
Software ID:
24020490
Software Version:
2024v5.2
Category / Item Cost / Other Basis Accumulated Depreciation Book Value End of Year Fair Market Value
Machinery and Equipment 17,682 17,682    


TY 2024 OtherAssetsSchedule
Name:
Vin and Caren Prothro Foundation
EIN:
75-2911958
Software ID:
24020490
Software Version:
2024v5.2
Description Beginning of Year - Book Value End of Year - Book Value End of Year - Fair Market Value
Investment income receivable 10,607 8,006 8,006


TY 2024 OtherExpensesSchedule
Name:
Vin and Caren Prothro Foundation
EIN:
75-2911958
Software ID:
24020490
Software Version:
2024v5.2
Description Revenue and Expenses per Books Net Investment Income Adjusted Net Income Disbursements for Charitable Purposes
Custodian or bank charges 61 61    
Insurance 734 367   367


TY 2024 OtherIncomeSchedule2
Name:
Vin and Caren Prothro Foundation
EIN:
75-2911958
Software ID:
24020490
Software Version:
2024v5.2
Description Revenue And Expenses Per Books Net Investment Income Adjusted Net Income
K-1 3662 Investors -1,554 -14  
K-1 TCW Securitized Opp 32,008 32,008  
Other investment income 10,833 10,833  


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

TY 2024 OtherNotesLoansRcvblLongSch
Name:
Vin and Caren Prothro Foundation
EIN:
75-2911958
Software ID:
24020490
Software Version:
2024v5.2

Borrower's Name Relationship to Insider Original Amount of Loan Balance Due Date of Note Maturity Date Repayment Terms Interest Rate Security Provided by Borrower Purpose of Loan Description of Lender Consideration Consideration FMV
3662 Investors LP None 18,050 18,050 2023-12 1938-12 Convertible 500.00 % Partnership assets Partnership loan N/A  

TY 2024 TaxesSchedule
Name:
Vin and Caren Prothro Foundation
EIN:
75-2911958
Software ID:
24020490
Software Version:
2024v5.2
Category Amount Net Investment Income Adjusted Net Income Disbursements for Charitable Purposes
Excise taxes paid 2,500      
Foreign taxes paid 2,287 2,287