Nonprofit · EIN 68-0373291
COGNITIVE NEUROSCIENCE SOCIETY
Tax-exempt · DAVIS, CA 95618
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $843,542 | $634,829 | $208,713 | $524,154 | $0 | $524,154 |
| December 31, 2024 | 990 | $622,769 | $547,833 | $74,936 | $320,979 | $5,538 | $315,441 |
| December 31, 2023 | 990 | $664,592 | $651,224 | $13,368 | $243,242 | $2,617 | $240,625 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $841,050
- Membership dues
- $841,050
- Program service revenue
- $2,347
- Investment income
- $145
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $62,797
- Other salaries and wages
- $27,690
- Salaries, compensation and benefits (total)
- $97,633
- Professional fundraising fees
- $0
- Travel
- $1,220
- Program services (functional)
- $610,750
- Management and general (functional)
- $24,079
Balance sheet and other
- Total assets, start of year
- $320,979
- Total assets, end of year
- $524,154
- Total liabilities, end of year
- $0
- Net assets, end of year
- $524,154
- Land, buildings and equipment
- $583
- Net assets without donor restrictions
- $524,154
- Gross receipts
- $843,542
- Employees
- 3
- Year formed
- 1994
- 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 |
|---|---|---|---|
| KATE TRETHEWAY | EXEC DIRECTOR Trustee or director | 20 | $0 |
| GEORGE R MANGUN | President Officer | 0 | $0 |
| GEORGE R MANGUN | Treasurer Officer | 0 | $0 |
| PATTY REUTER-LORENZ | Secretary Officer | 0 | $0 |
990 for the year ended December 31, 2024: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KATE TRETHEWAY | EXEC DIRECTOR Trustee or director | 20 | $0 |
| GEORGE R MANGUN | President Officer | 0 | $0 |
| GEORGE R MANGUN | Treasurer Officer | 0 | $0 |
| PATTY REUTER-LORENZ | Secretary Officer | 0 | $0 |
990 for the year ended December 31, 2023: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KATE TRETHEWAY | EXEC DIRECTOR Trustee or director | 20 | $0 |
| GEORGE RON MANGUM | President Officer | 0 | $0 |
| GEORGE RON MANGUN | Treasurer Officer | 0 | $0 |
| PATTY REUTER-LORENZ | Secretary Officer | 0 | $0 |
Address and contacts
- Address (IRS master file)
- 267 COUSTEAU PL, DAVIS, CA 95618-5412
- In care of
- % CNTR MIND & BRAIN
- Signed the 990
- GEORGE R MANGUN, Treasurer
- Phone
- (530) 297-4655
- Website
- COGNEUROSOCIETY.ORG
- Return prepared by
- The Tax Solutions Group
California records
California keeps its own records of charities and corporations. Search them by EIN 68-0373291 or by the name COGNITIVE NEUROSCIENCE SOCIETY.
- Attorney General, Registry of Charities and Fundraisers
- Registration status and filed reports (CT-TR-1, RRF-1)
- Secretary of State, bizfile Online
- Corporation status, entity number, agent for service
- Franchise Tax Board
- Entity status letter (state tax exemption, good standing)
Mission
SCIENTIFIC
Program accomplishments
- THE ANNUAL MEETING IS HELD TO BRING HUNDREDS OF WORLD-WIDE SCIENTISTS TOGETHER TO EXCHANGE INFORMATION ABOUT COGNITIVE NEUROSCIENCE.Expenses $610,750
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
- 68-0373291
- 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
- 1996
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Science and technology (U03)
- Assets (IRS master file)
- $524,154
- Income (IRS master file)
- $843,542
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $843,542 | $634,829 | $524,154 | XML |
| 990 | December 2024 | $622,769 | $547,833 | $320,979 | IRS |
| 990 | December 2023 | $664,592 | $651,224 | $243,242 | XML |
| 990 | December 2022 | $707,169 | $633,998 | $229,320 | 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 68-0373291).
Questions about COGNITIVE NEUROSCIENCE SOCIETY
- What is the EIN of COGNITIVE NEUROSCIENCE SOCIETY?
- The employer identification number (EIN) of COGNITIVE NEUROSCIENCE SOCIETY is 68-0373291.
- Is COGNITIVE NEUROSCIENCE SOCIETY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1996.
- Are donations to COGNITIVE NEUROSCIENCE SOCIETY tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does COGNITIVE NEUROSCIENCE SOCIETY 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 COGNITIVE NEUROSCIENCE SOCIETY 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 COGNITIVE NEUROSCIENCE SOCIETY last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who are the officers and directors of COGNITIVE NEUROSCIENCE SOCIETY?
- The 990 for the year ended December 31, 2025 lists 4 people; 0 received compensation from the organization.
- How much revenue does COGNITIVE NEUROSCIENCE SOCIETY have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $843,542, expenses of $634,829 and total assets of $524,154 at year end.
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