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Society of Toxicologic Pathology

EIN 22-7134561 · Reston, VA

Public records show a registered, tax-exempt organization in good standing.

LegitimacyPassesRegistration and standingFinancial healthStrong93 out of 100GovernanceStrong94 out of 100Impact evidenceDescribes programsHow well its results are evidenced

What it says it does

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.

Income
$1.2 million
Spending
$1.2 million
Spent on programs
78%
Reserves
15.2 months of spending
Largest source of income
fees for its services, 68%
Employees
0
Volunteers
385

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Financial health

Strong: 93 out of 100. Higher than 72% of charities in its peer group (diseases, $1m to $10m).

  • Reserves

    35 of 35

    Spendable reserves would cover 15.2 months of spending.

  • Debt

    20 of 20

    It owes 14% of what it owns.

  • Living within its means

    8 of 15

    Spending exceeded income by 2% of income.

  • Income trend

    15 of 15

    Income rose 10% on the year before.

  • Spending floor

    15 of 15

    78% of spending went to programs and raising each dollar of donations cost 8 cents.

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Governance

Strong: 94 out of 100. Higher than 52% of charities in its peer group (diseases, $1m to $10m).

  • Independent board

    25 of 25

    10 of 10 voting board members are independent.

  • Conflict of interest policy

    15 of 15

    Has a written conflict of interest policy.

  • Whistleblower policy

    8 of 8

    Has a written whistleblower policy.

  • Record keeping policy

    7 of 7

    Has a written policy on keeping and destroying records.

  • Board minutes

    5 of 5

    Keeps minutes of board meetings.

  • Board sees the tax return

    10 of 10

    Gave the board a copy of this return before filing it.

  • Independent check of accounts

    9 of 15

    Its accounts were reviewed or compiled by an independent accountant, but not audited.

  • No reported misuse

    10 of 10

    Reports no diversion of assets, excess benefits or loans to insiders.

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Impact evidence

Describes programs. Its tax return describes what it does but we have found no measurable results in it.

Programs described in its return (4)
  1. $462,651 spent. 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.
  2. $274,930 spent. 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.
  3. $163,664 spent. 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.
  4. $44,940 spent. 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.

Source: Form 990 for the year ending December 31, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Legitimacy checks

  1. Is it registered with the IRS? Passed.

    Listed in the IRS master file of tax-exempt organizations as a 501(c)(3) charitable organization.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  2. Has the IRS revoked its tax-exempt status? Passed.

    Not on the IRS automatic revocation list.

    Source: Automatic revocation of exemption list, Internal Revenue Service, file dated October 13, 2026.

  3. Are donations tax-deductible? Passed.

    On the IRS list of organizations eligible to receive tax-deductible contributions.

    Source: Publication 78 data: organizations eligible for tax-deductible contributions, Internal Revenue Service, file dated October 13, 2026.

  4. Is it keeping up with its IRS filings? Passed.

    Most recent return on file covers the year ending December 2025.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  5. How long has it been tax-exempt? Passed.

    Recognized by the IRS since May 1972.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  6. Is it in good standing with state regulators? Passed.

    Not on California's list of charities barred from soliciting. Other states are not yet checked.

    Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated October 21, 2026.

Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.