Nonprofit · EIN 33-0103940
INTERNATIONAL SOCIETY FOR NEUROETHOLOGY
Tax-exempt · GLEN ALLEN, VA 23059
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $95,026 | $65,760 | $29,266 | $573,963 | $0 | $573,963 |
| December 31, 2024 | 990 | $130,814 | $131,832 | -$1,018 | $593,120 | $0 | $593,120 |
| December 31, 2023 | 990 | $38,273 | $49,309 | -$11,036 | $622,739 | $0 | $622,739 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $25,891
- Membership dues
- $20,168
- Program service revenue
- $45,604
- Investment income
- $23,531
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $5,294
- Compensation of officers, directors and key employees
- $0
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Program services (functional)
- $23,398
- Management and general (functional)
- $42,362
Balance sheet and other
- Total assets, start of year
- $593,120
- Total assets, end of year
- $573,963
- Total liabilities, end of year
- $0
- Net assets, end of year
- $573,963
- Publicly traded securities
- $353,157
- Net assets without donor restrictions
- $537,494
- Net assets with donor restrictions
- $36,469
- Gross receipts
- $95,026
- Employees
- 0
- Volunteers
- 35
- Year formed
- 1985
- 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 Mesce | Past President Officer | 6 | $0 |
| Cynthia Moss | President Officer | 10 | $0 |
| Susan Fahrbach | Treasurer Officer | 12 | $0 |
| Gabriella Wolfe | Secretary Officer | 6 | $0 |
| Elke Buschbeck | President-Elect Officer | 4 | $0 |
990 for the year ended December 31, 2024: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Karen Mesce | Past President Officer | 2 | $0 |
| Cynthia Moss | President Officer | 6 | $0 |
| Susan Fahrbach | Treasurer Officer | 6 | $0 |
| Gabriella Wolfe | Secretary Officer | 4 | $0 |
| Elke Buschbeck | President-Elect Officer | 2 | $0 |
990 for the year ended December 31, 2023: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Karen Mesce | President Officer | 6 | $0 |
| Eric Warrant | Past President Officer | 1 | $0 |
| Cynthia Moss | President-Elect Officer | 2 | $0 |
| Susan Fahrbach | Treasurer Officer | 4 | $0 |
| Gabriella Wolfe | Secretary Officer | 4 | $0 |
Address and contacts
- Address (IRS master file)
- C/O KGL 301 CONCOURSE BLVD STE 210, GLEN ALLEN, VA 23059-0000
- In care of
- % DIVISION OF BIOLOGY 216-76
- Principal officer (990 for 2025)
- Cynthia Moss, 409 Wingate Rd, Baltimore, MD 21210
- Signed the 990
- Susan Fahrbach, Treasurer
- Phone
- (785) 289-2056
Mission
The purpose of the society is to advance the understanding of the neural bases of behavior in all animals, vertebrate and invertebrate. To this end, the society promotes neuroethology by publishing newsletters; maintaining a membership list to foster communication; sponsoring educational opportunities for students from developing nations; providing research and travel support in the form of grants and awards to members, especially young trainees; and holding the biennial International Congress of Neuroethology to allow the exchange of scientific information.
Program accomplishments
- The sum of $3294 was used for research grants/awards for 2 recipients who are non-US citizens. This includes $500 for one Diversity Award and a grant for a meeting held in Berlin to honor a founding leader of the International Society for Neuroethology ($2794).Expenses $3,294 · grants $3,294
- The sum of $2000 was used for research grants/awards for one recipient representing US citizens (Gordon Research Seminar in Neuroethology: Behavior, Evolution, Neurobiology).Expenses $2,000 · grants $2,000
- The International Society for Neuroethology worked with a professional consultant to update and modernize its mission statement. The update was based in part on a survey of the membership administered by Attentional Leadership LLC. Small awards were made to survey respondents in the form of gift cards.Expenses $6,071
- We are currently planning for the 2026 International Congress of Neuroethology in Vancouver, BC to be held at the University of British Columbia, Canada, 26 to 31 July, 2026, and have provided seed money to the local organizing committee to reserve meeting rooms and accommodations ($30,000). The 2024 International Congress of Neuroethology held in Berlin, Germany, 28 July to 2 August 2024 finalized their accounts and returned $45,604 to the International Society for Neuroethology to provide support for future congresses.Expenses $12,033 · revenue $45,604
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
- 33-0103940
- 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
- 1986
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $573,963
- Income (IRS master file)
- $95,026
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $95,026 | $65,760 | $573,963 | IRS |
| 990 | December 2024 | $130,814 | $131,832 | $593,120 | IRS |
| 990 | December 2023 | $38,273 | $49,309 | $622,739 | XML |
| 990 | December 2022 | $115,885 | $46,261 | $590,529 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | 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 33-0103940).
Questions about INTERNATIONAL SOCIETY FOR NEUROETHOLOGY
- What is the EIN of INTERNATIONAL SOCIETY FOR NEUROETHOLOGY?
- The employer identification number (EIN) of INTERNATIONAL SOCIETY FOR NEUROETHOLOGY is 33-0103940.
- Is INTERNATIONAL SOCIETY FOR NEUROETHOLOGY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1986.
- Are donations to INTERNATIONAL SOCIETY FOR NEUROETHOLOGY tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does INTERNATIONAL SOCIETY FOR NEUROETHOLOGY 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 NEUROETHOLOGY 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 NEUROETHOLOGY 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 NEUROETHOLOGY?
- The 990 for the year ended December 31, 2025 names Cynthia Moss.
- Who are the officers and directors of INTERNATIONAL SOCIETY FOR NEUROETHOLOGY?
- The 990 for the year ended December 31, 2025 lists 5 people; 0 received compensation from the organization.
- How much revenue does INTERNATIONAL SOCIETY FOR NEUROETHOLOGY have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $95,026, expenses of $65,760 and total assets of $573,963 at year end.
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