Nonprofit · EIN 46-2900841
ITANNER FOUNDATION
Also known as TANNER PROJECT FOUNDATION
Tax-exempt · EL SEGUNDO, CA 90245
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $5,630 | $3,872 | $1,758 | $8,298 | $0 | $8,298 |
| December 31, 2024 | 990-EZ | $5,680 | $4,785 | $895 | $6,540 | $0 | $6,540 |
| December 31, 2023 | 990-EZ | $5,506 | $6,394 | -$888 | $5,645 | $0 | $5,645 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $5,630
Expenses
- Grants and similar amounts paid
- $1,500
- Compensation of officers, directors and key employees
- $0
- Other expenses
- $2,372
Balance sheet and other
- Total assets, start of year
- $6,540
- Total assets, end of year
- $8,298
- Total liabilities, end of year
- $0
- Net assets, end of year
- $8,298
- Cash, savings and investments
- $8,298
- Gross receipts
- $5,630
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 |
|---|---|---|---|
| Marlo Gottfurcht Longstreet | Secretary and Director | 20 | $0 |
990-EZ for the year ended December 31, 2024: 1 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Marlo Gottfurcht Longstreet | Secretary and Director | 20 | $0 |
990-EZ for the year ended December 31, 2023: 1 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Marlo Gottfurcht Longstreet | Secretary and Director | 40 | $0 |
Address and contacts
- Address (IRS master file)
- 214 MAIN STREET 433, EL SEGUNDO, CA 90245-3803
- Signed the 990-EZ
- Marlo Gottfurcht-Longstreet, Director
- Phone
- (310) 395-7555
- Website
- www.tannnerproject.org
- Return prepared by
- POMERANTZ KAVINOKY & MORGAN CPAs
California records
California keeps its own records of charities and corporations. Search them by EIN 46-2900841 or by the name ITANNER FOUNDATION.
- 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
Collaborative Research.
Program accomplishments
- Collaborative research and monitoring related to predisposed hereditary diseases.
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
- 46-2900841
- 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
- 2014
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Voluntary health associations and medical disciplines (G12)
- Assets (IRS master file)
- $8,298
- Income (IRS master file)
- $5,630
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $5,630 | $3,872 | $8,298 | IRS |
| 990-EZ | December 2024 | $5,680 | $4,785 | $6,540 | IRS |
| 990-EZ | December 2023 | $5,506 | $6,394 | $5,645 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-EZ | December 2021 | – | – | – | IRS |
| 990-EZ | December 2020 | – | – | – | IRS |
| 990-EZ | 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 46-2900841).
Questions about ITANNER FOUNDATION
- What is the EIN of ITANNER FOUNDATION?
- The employer identification number (EIN) of ITANNER FOUNDATION is 46-2900841.
- Is ITANNER FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2014.
- Are donations to ITANNER FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does ITANNER FOUNDATION file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of ITANNER FOUNDATION 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 ITANNER FOUNDATION 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 ITANNER FOUNDATION?
- The 990-EZ for the year ended December 31, 2025 lists 1 person; 0 received compensation from the organization.
- How much revenue does ITANNER FOUNDATION have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $5,630, expenses of $3,872 and total assets of $8,298 at year end.
Other nonprofits in EL SEGUNDO
- PANCREATIC CANCER ACTION NETWORK INC EIN 33-0841281 · last filed 990 for 2025
- CARLAS RIBBON OF LIFE INC EIN 92-3976730 · last filed 990-N for 2024
- AMERICAN FRACTURE ASSOCIATION EIN 37-6032706 · last filed 990-N for 2025
- EMERGENT DISASTER AND GLOBAL EFFORT EIN 93-4689293 · last filed 990 for 2025
- FIGHTERS 4 LIFE EIN 45-5078104 · last filed 990-N for 2025
- HAYSTRONG FOUNDATION INC EIN 88-4141107 · last filed 990-N for 2025
- COASTAL DEVELOPMENTAL SERVICES FOUNDATION EIN 95-3822105 · last filed 990 for 2025
- HISPANIC SCHOLARSHIP FUND EIN 52-1051044 · last filed 990 for 2026
All nonprofits in EL SEGUNDO · California · Voluntary health associations and medical disciplines