Nonprofit · EIN 06-1515982
INSTITUTE FOR OCEAN STUDIES
Tax-exempt · NORTH HAVEN, CT 06473
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $10,021 | $8,791 | $1,230 | $198,825 | $0 | $198,825 |
| December 31, 2024 | 990-EZ | $28 | $12,062 | -$12,034 | $197,595 | $0 | $197,595 |
| December 31, 2023 | 990-EZ | $11 | $30,970 | -$30,959 | $209,629 | $0 | $209,629 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $10,000
- Program service revenue
- $0
- Investment income
- $21
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $0
- Salaries, compensation and benefits (total)
- $0
- Occupancy
- $8,791
Balance sheet and other
- Total assets, start of year
- $197,595
- Total assets, end of year
- $198,825
- Total liabilities, end of year
- $0
- Net assets, end of year
- $198,825
- Cash, savings and investments
- $198,825
- Gross receipts
- $10,021
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-EZ for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| EUGENE SINGER | PRESIDENT | 2 | $0 |
| MARY ROTHFUSS | VICE PRESIDENT | 2 | $0 |
| ANNE GOLINO | VICE PRESIDENT | 2 | $0 |
| MATTHEW SINGER | TREASURER | 2 | $0 |
| SUSAN CRETELLA | SECRETARY | 2 | $0 |
990-EZ for the year ended December 31, 2024: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| EUGENE SINGER | PRESIDENT | 3 | $0 |
| MARY ROTHFUSS | VICE PRESIDENT | 3 | $0 |
| ANNE GOLINO | VICE PRESIDENT | 3 | $0 |
| MATTHEW SINGER | TREASURER | 3 | $0 |
| SUSAN CRETELLA | SECRETARY | 3 | $0 |
990-EZ for the year ended December 31, 2023: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| EUGENE SINGER | PRESIDENT | 3 | $0 |
| MARY ROTHFUSS | VICE PRESIDEN | 3 | $0 |
| ANNE GOLINO | VICE PRESIDENT | 3 | $0 |
| MATTHEW SINGER | TREASURER | 3 | $0 |
| SUSAN CRETELLA | SECRETARY | 3 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 705, NORTH HAVEN, CT 06473-0705
- Signed the 990-EZ
- EUGENE SINGER, PRESIDENT
- Phone
- (203) 239-0249
Mission
PRESERVATION OF THE OCEAN AND INHABITANTS
Program accomplishments
- WE ARE IN A SELECTION PROCESS
What it must file and when
IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. 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-EZ on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-EZ on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-EZ on file |
IRS record
- EIN
- 06-1515982
- 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
- 1998
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Environment (C32)
- Assets (IRS master file)
- $198,825
- Income (IRS master file)
- $10,021
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $10,021 | $8,791 | $198,825 | XML |
| 990-EZ | December 2024 | $28 | $12,062 | $197,595 | XML |
| 990-EZ | December 2023 | $11 | $30,970 | $209,629 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-EZ | December 2021 | – | – | – | 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 06-1515982).
Questions about INSTITUTE FOR OCEAN STUDIES
- What is the EIN of INSTITUTE FOR OCEAN STUDIES?
- The employer identification number (EIN) of INSTITUTE FOR OCEAN STUDIES is 06-1515982.
- Is INSTITUTE FOR OCEAN STUDIES tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1998.
- Are donations to INSTITUTE FOR OCEAN STUDIES tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does INSTITUTE FOR OCEAN STUDIES file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of INSTITUTE FOR OCEAN STUDIES 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 INSTITUTE FOR OCEAN STUDIES last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
- Who are the officers and directors of INSTITUTE FOR OCEAN STUDIES?
- The 990-EZ for the year ended December 31, 2025 lists 5 people; 0 received compensation from the organization.
- How much revenue does INSTITUTE FOR OCEAN STUDIES have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $10,021, expenses of $8,791 and total assets of $198,825 at year end.
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