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Society for Research on Biological Rhythms Inc

EIN 27-1638906 · Brentwood, TN

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

LegitimacyPassesRegistration and standingFinancial healthFair55 out of 100GovernanceStrong100 out of 100Impact evidenceDescribes programsHow well its results are evidenced

Points to look into

  • Only 22% of its spending went to programs.

These come from the organization's own tax return. There may be a good explanation; ask the charity.

What it says it does

TO PROMOTE THE ADVANCEMENT OF BASIC AND APPLIED RESEARCH IN BIOLOGICAL RHYTHMS.

Income
$132,823
Spending
$161,915
Spent on programs
22%
Reserves
53.2 months of spending
Largest source of income
donations and private grants, 45%
Employees
0
Volunteers
81

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

Fair: 55 out of 100. Higher than 23% of charities in its peer group (science, under $250k).

  • Reserves

    35 of 35

    Spendable reserves would cover 53.2 months of spending.

  • Debt

    20 of 20

    It owes 15% of what it owns.

  • Living within its means

    0 of 15

    Spending exceeded income by 22% of income.

  • Income trend

    0 of 15

    Income fell 81% on the year before.

  • Spending floor

    0 of 15

    22% of spending went to programs and raising each dollar of donations cost 0 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: 100 out of 100. Higher than 91% of charities in its peer group (science, under $250k).

  • Independent board

    25 of 25

    7 of 7 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.

  • 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 (1)
  1. $35,909 spent. THE SOCIETY HAS 501 MEMBERS AND SERVES AS THE MAJOR PROFESSIONAL SOCIETY PROMOTING ADVANCEMENT OF BASIC AND APPLIED RESEARCH IN BIOLOGICAL RHYTHMS. ACTIVITIES INCLUDE: EDUCATING MEMBERS AND THE GENERAL PUBLIC ABOUT BIOLOGICAL RHYTHMICITY THROUGH THE SOCIETYS WEBSITE AND THROUGH THE EUCLIS WEBSITE; DISSEMINATING RESEARCH RESULTS BY MAKING THE PROGRAM AND ABSTRACT BOOK OF ALL SRBR CONFERENCES FREELY AVAILABLE ON THE SOCIETY WEBSITE; ORGANIZING AND OFFERING THE INTERNATIONAL SRBR CONFERENCE EVERY TWO YEARS; PROMOTING PROFESSIONAL DEVELOPMENT BY PROVIDING AN ONLINE MEMBERSHIP DIRECTORY AND A FORUM FOR JOB POSTINGS AND ANNOUNCEMENTS, ORGANIZING A TRAINEE PROFESSIONAL DEVELOPMENT DAY AS AN ADJUNCT TO THE SRBR.

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 November 6, 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 September 2014.

    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 November 4, 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.