Nonprofit · EIN 22-7134561
SOCIETY OF TOXICOLOGIC PATHOLOGY
Tax-exempt · RESTON, VA 20191
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $1,178,740 | $1,206,545 | -$27,805 | $2,322,469 | $318,191 | $2,004,278 |
| December 31, 2024 | 990 | $1,068,604 | $1,114,847 | -$46,243 | $2,214,397 | $270,203 | $1,944,194 |
| December 31, 2023 | 990 | $1,110,054 | $1,071,237 | $38,817 | $2,144,698 | $263,777 | $1,880,921 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $174,234
- Program service revenue
- $804,575
- Investment income
- $129,390
- Royalties
- $70,541
- Net gain from sales of assets
- $50,281
- Other revenue
- $70,541
Expenses
- Grants and similar amounts paid
- $26,400
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Legal fees
- $2,251
- Accounting fees
- $49,014
- Travel
- $26,697
- Program services (functional)
- $946,185
- Management and general (functional)
- $247,152
- Fundraising (functional)
- $13,208
Balance sheet and other
- Total assets, start of year
- $2,214,397
- Total assets, end of year
- $2,322,469
- Total liabilities, end of year
- $318,191
- Net assets, end of year
- $2,004,278
- Publicly traded securities
- $1,866,375
- Net assets without donor restrictions
- $1,527,672
- Net assets with donor restrictions
- $476,606
- Gross unrelated business income
- $5,200
- Gross receipts
- $1,752,834
- Employees
- 0
- Volunteers
- 385
- Year formed
- 1971
- State of legal domicile
- NJ
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 |
|---|---|---|---|
| JON WERNER | PRESIDENT Trustee or director, Officer | 4 | $0 |
| RICHARD A PETERSON II | PAST PRESIDENT Trustee or director, Officer | 2 | $0 |
| ELIZABETH GALBREATH | PRESIDENT ELECT Trustee or director, Officer | 2 | $0 |
| ERIN QUIST | SECRETARY-TREASURER Trustee or director, Officer | 2 | $0 |
| KEITH NELSON | SECRETARY-TREASURER-ELECT Trustee or director | 2 | $0 |
| MARIE-ODILE BENOIT-BIANCAMANO | COUNCILOR Trustee or director | 1 | $0 |
| ELIZABETH CLARK | COUNCILOR Trustee or director | 1 | $0 |
| WENDY HELPERN | COUNCILOR Trustee or director | 1 | $0 |
| KATHLEEN HEINZ-TAHENY | COUNCILOR Trustee or director | 1 | $0 |
| INGRID D PARDO | COUNCILOR Trustee or director | 1 | $0 |
| MATTHEW PRICE | EXECUTIVE DIRECTOR Officer | 40 | $0 |
990 for the year ended December 31, 2024: 10 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| RICHARD A PETERSON II | PRESIDENT Trustee or director, Officer | 2 | $0 |
| MARK J HOENERHOFF | PAST PRESIDENT Trustee or director, Officer | 4 | $0 |
| JON WERNER | PRESIDENT ELECT Trustee or director, Officer | 2 | $0 |
| ERIN QUIST | SECRETARY-TREASURER Trustee or director, Officer | 2 | $0 |
| MARIE-ODILE BENOIT-BIANCAMANO | COUNCILOR Trustee or director | 1 | $0 |
| MOLLY BOYLE | COUNCILOR Trustee or director | 1 | $0 |
| KATHLEEN HEINZ-TAHENY | COUNCILOR Trustee or director | 1 | $0 |
| DEEPA BANDI RAO | COUNCILOR Trustee or director | 1 | $0 |
| WENDY HELPERN | COUNCILOR Trustee or director | 1 | $0 |
| MATTHEW PRICE | EXECUTIVE DIRECTOR Officer | 40 | $0 |
990 for the year ended December 31, 2023: 10 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MARK HOENERHOFF | PRESIDENT Trustee or director, Officer | 4 | $0 |
| DARLENE DIXON | PAST PRESIDENT Trustee or director, Officer | 2 | $0 |
| RICHARD A PETERSON | PRESIDENT ELECT Trustee or director, Officer | 2 | $0 |
| ERIN QUIST | SECRETARY-TREASURER Trustee or director, Officer | 2 | $0 |
| MARIE-ODILE BENOIT-BIANCAMANO | COUNCILOR Trustee or director | 1 | $0 |
| MOLLY BOYLE | COUNCILOR Trustee or director | 1 | $0 |
| ARMANDO IRIZARRY | COUNCILOR Trustee or director | 1 | $0 |
| DEEPA RAO | COUNCILOR Trustee or director | 1 | $0 |
| WENDY HELPERN | COUNCILOR Trustee or director | 1 | $0 |
| MATTHEW PRICE | EXECUTIVE DIRECTOR Officer | 40 | $0 |
Address and contacts
- Address (IRS master file)
- 11190 SUNRISE VALLEY DR STE 300, RESTON, VA 20191-4375
- Principal officer (990 for 2025)
- TIERRE MILLER, 11190 SUNRISE VALLEY DRIVE 300, RESTON, VA 20191
- Signed the 990
- TIERRE MILLER, EXECUTIVE DIRECTOR
- Phone
- (703) 438-7508
- Website
- WWW.TOXPATH.ORG
- Return prepared by
- WEGNER CPAS LLP
Mission
THE MISSION AND VISION OF THE SOCIETY OF TOXICOLOGIC PATHOLOGY (STP) IS TO BE RECOGNIZED AS AN INTERNATIONAL LEADER FOR IMPROVEMENT OF HUMAN, ANIMAL, AND ENVIRONMENTAL HEALTH USING AN INTERDISCIPLINARY SCIENTIFIC APPROACH BASED IN PATHOLOGY AND TOXICOLOGY BY SCIENTIFIC, LEGISLATIVE, AND REGULATORY STAKEHOLDERS. FURTHER TO THIS, STP WILL BE A GLOBAL LEADER IN PROVIDING EDUCATIONAL AND CAREER DEVELOPMENT RESOURCES IN TOXICOLOGIC PATHOLOGY TO ITS MEMBERSHIP, STUDENTS, AND ORGANIZATIONS WITH COMMON INTERESTS; REMAIN AWARE, KNOWLEDGEABLE, AND RESPONSIVE TO TECHNOLOGICAL ADVANCEMENTS THAT HAVE THE POTENTIAL TO EVOLVE AND TRANSFORM THE PRACTICE OF TOXICOLOGIC PATHOLOGY; AND ENSURE SUSTAINABILITY OF THE SOCIETY THROUGH SOUND FINANCIAL MANAGEMENT, ENHANCED RECRUITMENT OF NEW MEMBERS, AND DEVELOPMENT OF THE CAREERS OF ITS EXISTING MEMBERS, WHILE FUNCTIONING IN A MANNER THAT PROMOTES A HEALTHY AND SUSTAINABLE ENVIRONMENT.
Program accomplishments
- THE SOCIETY HOLDS AN ANNUAL MEETING THAT IS ATTENDED BY APPROXIMATELY 400 MEMBERS AND OTHER INTERESTED SCIENTISTS. THE MEETING INCLUDES THREE FULL DAYS OF EDUCATIONAL SCIENTIFIC SESSIONS RELATING TO TOXICOLOGIC PATHOLOGY, ONE DAY OF CONTINUING EDUCATION AND CAREER DEVELOPMENT COURSES, AS WELL AS OTHER RELATED SESSIONS AND EVENTS, INCLUDING THE ANNUAL AWARDS AND RECOGNITION CEREMONY AND BUSINESS MEETING. THE MEETING IS HELD ON A ROTATING BASIS IN VARIOUS LOCATIONS IN THE UNITED STATES AND CANADA.Expenses $462,651 · grants $14,400 · revenue $420,191
- THIRTEEN STANDING COMMITTEES AND NUMEROUS SUBCOMMITTEES, IN ADDITION TO THE EXECUTIVE COMMITTEE, CONDUCT THE SOCIETY'S BUSINESS AND ORGANIZE ITS PROGRAMS. THE SOCIETY SUPPORTS SPECIAL INTEREST GROUPS (SIGS) COMPOSED OF SOCIETY MEMBERS THAT SPECIFICALLY ENHANCE NETWORKING AND SCIENTIFIC EXCHANGES RELEVANT TO THE MISSION AND STRATEGIC PLAN OF THE SOCIETY. THERE ARE CURRENTLY 16 SIGS: CARDIOVASCULAR, CLINICAL PATHOLOGY, COMPLEX IN VITRO MODELS AND PATHOLOGY, DIGITAL PATHOLOGY, ENVIRONMENTAL TOXICOLOGIC PATHOLOGY, IMMUNE SYSTEM, JUVENILE PATHOLOGY, MEDICAL DEVICES, MOLECULAR PATHOLOGY, MUSCULOSKELETAL PATHOLOGY, NEUROPATHOLOGY, NON-HUMAN PRIMATE PATHOLOGY, PIG TOXICOLOGIC PATHOLOGY, REPRODUCTIVE PATHOLOGY, RESPIRATORY AND INHALATION PATHOLOGY, AND SIG SENSE.Expenses $274,930 · revenue $186,352
- THE SOCIETY'S JOURNAL, TOXICOLOGIC PATHOLOGY, PUBLISHES 8 ISSUES A YEAR ON-LINE AND IN PRINT FOR MEMBERS AND OTHER SUBSCRIBERS. SUPPLEMENTS TO THE JOURNAL ARE PUBLISHED PERIODICALLY.Expenses $163,664 · revenue $192,832
- OTHER PROGRAM SERVICES (DESCRIPTION IS OPTIONAL): THE SOCIETY SUPPORTS VARIOUS LONG-TERM INITIATIVES SUCH AS HOLDING A VIRTUAL MODULAR COURSE EACH YEAR THAT APPROXIMATELY 100-215 MEMBERS AND INTERESTED SCIENTISTS AND TRAINEES ATTEND. THE MODULAR COURSE IS HELD OVER A THREE-WEEK PERIOD AND INCLUDES THE EQUIVALENT OF THREE FULL DAYS OF SPECIFIC EDUCATIONAL SCIENTIFIC SESSIONS RELATING TO TOXICOLOGIC PATHOLOGY. THE SOCIETY HOLDS 2-3 VIRTUAL CONTINUING EDUCATION SESSIONS AND ONE IN-PERSON CONTINUING EDUCATION SESSIONS AT THE ANNUAL MEETING, EACH UP TO FOUR HOURS IN LENGTH THAT APPROXIMATELY 60-100 MEMBERS AND OTHER INTERESTED SCIENTISTS AND TRAINEES ATTEND. THE SOCIETY ALSO HOLDS IN-PERSON REGIONAL MEETINGS THAT ARE ATTENDED BY APPROXIMATELY 60-100 MEMBERS AND OTHER INTERESTED SCIENTISTS AND TRAINEES ON A SPECIFIC TOPIC IN TOXICOLOGIC PATHOLOGY IN ONE DAY. THE SOCIETY HOLDS A PATHOLOGY CONFERENCE FOR NON-PATHOLOGISTS EVERY OTHER YEAR OVER A THREE-DAY PERIOD ATTENDED BY APPROXIMATELY 50-60 MEMBERS AND OTHER INTERESTED SCIENTISTS AND TRAINEES.Expenses $44,940 · grants $12,000
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
- 22-7134561
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1972
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Voluntary health associations and medical disciplines (G97Z)
- Assets (IRS master file)
- $2,322,469
- Income (IRS master file)
- $1,752,834
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $1,178,740 | $1,206,545 | $2,322,469 | XML |
| 990-T | December 2025 | – | – | – | IRS |
| 990 | December 2024 | $1,068,604 | $1,114,847 | $2,214,397 | XML |
| 990-T | December 2024 | – | – | – | IRS |
| 990 | December 2023 | $1,110,054 | $1,071,237 | $2,144,698 | XML |
| 990-T | December 2023 | – | – | – | IRS |
| 990 | December 2022 | $977,120 | $1,203,977 | $1,990,460 | IRS |
| 990-T | December 2022 | – | – | – | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990-T | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990-T | 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 22-7134561).
Questions about SOCIETY OF TOXICOLOGIC PATHOLOGY
- What is the EIN of SOCIETY OF TOXICOLOGIC PATHOLOGY?
- The employer identification number (EIN) of SOCIETY OF TOXICOLOGIC PATHOLOGY is 22-7134561.
- Is SOCIETY OF TOXICOLOGIC PATHOLOGY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1972.
- Are donations to SOCIETY OF TOXICOLOGIC PATHOLOGY tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does SOCIETY OF TOXICOLOGIC PATHOLOGY 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 SOCIETY OF TOXICOLOGIC PATHOLOGY 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 SOCIETY OF TOXICOLOGIC PATHOLOGY 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 SOCIETY OF TOXICOLOGIC PATHOLOGY?
- The 990 for the year ended December 31, 2025 names TIERRE MILLER.
- Who are the officers and directors of SOCIETY OF TOXICOLOGIC PATHOLOGY?
- The 990 for the year ended December 31, 2025 lists 11 people; 0 received compensation from the organization.
- How much revenue does SOCIETY OF TOXICOLOGIC PATHOLOGY have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $1,178,740, expenses of $1,206,545 and total assets of $2,322,469 at year end.
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All nonprofits in RESTON · Virginia · Voluntary health associations and medical disciplines