Nonprofit · EIN 94-6169422
INTERNATIONAL SOCIETY FOR THE PROTECTION OF MUSTANGS & BURROS
Tax-exempt · RAPID CITY, SD 57709
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $243,333 | $244,242 | -$909 | $328,502 | $4,461 | $324,041 |
| December 31, 2024 | 990 | $153,246 | $197,482 | -$44,236 | $330,747 | $5,797 | $324,950 |
| December 31, 2023 | 990 | $202,553 | $141,386 | $61,167 | $407,821 | $410,825 | -$3,004 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $233,491
- Membership dues
- $5,530
- Program service revenue
- $0
- Investment income
- $9,842
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $45,000
- Salaries, compensation and benefits (total)
- $48,442
- Professional fundraising fees
- $24,000
- Legal fees
- $12,776
- Accounting fees
- $20,894
- Occupancy
- $80,287
- Travel
- $4,154
- Depreciation
- $11,812
- Program services (functional)
- $160,481
- Management and general (functional)
- $45,888
- Fundraising (functional)
- $37,873
Balance sheet and other
- Total assets, start of year
- $330,747
- Total assets, end of year
- $328,502
- Total liabilities, end of year
- $4,461
- Net assets, end of year
- $324,041
- Land, buildings and equipment
- $33,567
- Net assets without donor restrictions
- $295,198
- Net assets with donor restrictions
- $28,843
- Gross receipts
- $243,333
- Employees
- 1
- Volunteers
- 3
- Year formed
- 1965
- State of legal domicile
- CA
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KAREN SUSSMAN | PRESIDENT Trustee or director, Officer | 20 | $45,000 |
| PATTI ROTH | SECRETARY Trustee or director, Officer | 2 | $0 |
| JOHNNIE FORQUER | TREASURER Trustee or director, Officer | 2 | $0 |
| PAUL TOHLAKAI | DIRECTOR Trustee or director | 2 | $0 |
990 for the year ended December 31, 2024: 7 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KAREN SUSSMAN | PRESIDENT Trustee or director, Officer | 20 | $30,000 |
| PATTI ROTH | SECRETARY Trustee or director, Officer | 2 | $0 |
| JOHNNIE FORQUER | TREASURER Trustee or director, Officer | 2 | $0 |
| CRAIG DOWNER | DIRECTOR Trustee or director | 2 | $0 |
| DAVID BELDING | DIRECTOR Trustee or director | 2 | $0 |
| NICK CONNELL | DIRECTOR Trustee or director | 2 | $0 |
| PAUL TOHLAKAI | DIRECTOR Trustee or director | 2 | $0 |
990 for the year ended December 31, 2023: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| PATTI ROTH | SECRETARY Trustee or director, Officer | 2 | $0 |
| CRAIG DOWNER | DIRECTOR Trustee or director, Officer | 1 | $0 |
| KAREN A SUSSMAN | PRESIDENT Trustee or director, Officer | 20 | $0 |
| JOHNNIE FORQUER | TREASURER Trustee or director, Officer | 2 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 435, RAPID CITY, SD 57709-0435
- Principal officer (990 for 2025)
- KAREN SUSSMAN, PO BOX 435, RAPID CITY, SD 57709
- Signed the 990
- KAREN SUSSMAN, PRESIDENT
- Phone
- (605) 430-2088
- Website
- WWW.ISPMB.ORG
- Return prepared by
- KETEL THORSTENSON LLP
Mission
THE ORGANIZATION'S MISSION IS TO PROTECT, PRESERVE, AND UNDERSTAND WILD HORSES AND BURROS AS WELL AS THEIR HABITAT.
Program accomplishments
- ISPMB HAS MANAGED FOUR WILD HERDS OF HORSES COLLECTING DATA OVER EIGHTEEN YEARS PERTAINING TO THEIR NATURAL BEHAVIORS INCLUDING HERD GROWTH. ISPMB CONTINUES TO STUDY ITS RARE SPANISH GILA HERD WHICH IT HAS MANAGED FOR MORE THAN TWENTY-FIVE YEARS GAINING VALUABLE BEHAVIORAL INFORMATION. THE GILA HERD REMAINS IN ISPMB'S CONSERVATION PROGRAM. WITH THIS INFORMATION, ISPMB HAS CREATED A "MODEL" FOR MANAGING AMERICA'S WILD HORSES. ISPMB'S INTENT IS TO TRANSFORM HOW WILD HORSES ARE MANAGED ON PUBLIC LANDS, PROTECTING THEIR NATURAL WILD BEHAVIORS BY UNDERSTANDING THEM AS THE WILDLIFE SPECIES THEY ARE. ISPMB HAS GIVEN THE BUREAU OF LAND MANAGEMENT AND THE UNITED STATES FOREST SERVICE (THE AGENCIES) MANY OF ITS PROGRAMS EARLY ON INCLUDING THE WILD HORSE AND BURRO ADOPTION PROGRAM WHICH IS NOW A NATIONAL PROGRAM AND INTENDS TO MAKE SURE THIS "MODEL MANAGEMENT PROGRAM" IS ACCEPTED BY THE AGENCIES. ISPMB CONTINUES TO OPERATE ITS RESCUE PROGRAM FOR WILD HORSES AND BURROS. ISPMB HAS BEGUN EFFORTS TO CREATE ITS INTERNATIONAL WILD HORSE AND BURRO HERITAGE CENTER, A HEALING CENTER FOR PEOPLE, ANIMALS, AND OUR MOTHER EARTH. ISPMB RECEIVED 119,745 IN DONATED SERVICES WHICH INCLUDES 6,000 IN SOCIAL MEDIA MONITORING AND 113,499 IN LEGAL SERVICES.Expenses $160,481
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 94-6169422
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1968
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $328,502
- Income (IRS master file)
- $243,333
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $243,333 | $244,242 | $328,502 | XML |
| 990 | December 2024 | $153,246 | $197,482 | $330,747 | XML |
| 990 | December 2023 | $202,553 | $141,386 | $407,821 | XML |
| 990 | December 2022 | $329,092 | $165,969 | $344,854 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2019 | – | – | – | IRS |
| 990 | December 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 94-6169422).
Questions about INTERNATIONAL SOCIETY FOR THE PROTECTION OF MUSTANGS & BURROS
- What is the EIN of INTERNATIONAL SOCIETY FOR THE PROTECTION OF MUSTANGS & BURROS?
- The employer identification number (EIN) of INTERNATIONAL SOCIETY FOR THE PROTECTION OF MUSTANGS & BURROS is 94-6169422.
- Is INTERNATIONAL SOCIETY FOR THE PROTECTION OF MUSTANGS & BURROS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1968.
- Are donations to INTERNATIONAL SOCIETY FOR THE PROTECTION OF MUSTANGS & BURROS tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does INTERNATIONAL SOCIETY FOR THE PROTECTION OF MUSTANGS & BURROS file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of INTERNATIONAL SOCIETY FOR THE PROTECTION OF MUSTANGS & BURROS due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did INTERNATIONAL SOCIETY FOR THE PROTECTION OF MUSTANGS & BURROS last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who is the principal officer of INTERNATIONAL SOCIETY FOR THE PROTECTION OF MUSTANGS & BURROS?
- The 990 for the year ended December 31, 2025 names KAREN SUSSMAN.
- Who are the officers and directors of INTERNATIONAL SOCIETY FOR THE PROTECTION OF MUSTANGS & BURROS?
- The 990 for the year ended December 31, 2025 lists 4 people; 1 received compensation from the organization, the highest $45,000 (KAREN SUSSMAN, PRESIDENT).
- How much revenue does INTERNATIONAL SOCIETY FOR THE PROTECTION OF MUSTANGS & BURROS have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $243,333, expenses of $244,242 and total assets of $328,502 at year end.
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