Nonprofit · EIN 33-4958562
AGING INITIATIVE
Tax-exempt · CAMBRIDGE, MA 02238
Address and contacts
- Address (IRS master file)
- PO BOX 380045, CAMBRIDGE, MA 02238-0045
- Mailing address (990-N for 2025)
- PO Box 380045, Cambridge MA 02238
- Principal officer (990-N for 2025)
- Sean Simonini, 32 Lowell Street, Billerica MA 01862
- Website
- aging-initiative.org
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 January, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | January 31, 2026 | June 15, 2026 | 990-N on file |
| 2024 | January 31, 2025 | June 16, 2025 | Check at the IRS |
| 2023 | January 31, 2024 | June 17, 2024 | Check at the IRS |
IRS record
- EIN
- 33-4958562
- 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
- 2025
- Accounting year ends
- January
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Medical research (H19)
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-N for 2025 Officer: Sean Simonini | January 31, 2026 | ≤ $50,000 receipts | – | – | e-Postcard |
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 33-4958562).
Questions about AGING INITIATIVE
- What is the EIN of AGING INITIATIVE?
- The employer identification number (EIN) of AGING INITIATIVE is 33-4958562.
- Is AGING INITIATIVE tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2025.
- Are donations to AGING INITIATIVE tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does AGING INITIATIVE file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of AGING INITIATIVE due?
- The return for tax year 2026 (the year ending January 31, 2027) is due June 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did AGING INITIATIVE last file with the IRS?
- The latest return in the IRS public files is the 990-N for 2025 for the year ended January 31, 2026.
- Who is the principal officer of AGING INITIATIVE?
- The 990-N for 2025 names Sean Simonini.
Other nonprofits in CAMBRIDGE
- BROAD INSTITUTE INC EIN 26-3428781 · last filed 990 for 2025
- WHITEHEAD INSTITUTE FOR BIOMEDICAL RESEARCH EIN 06-1043412 · last filed 990 for 2025
- LIFE SCIENCE CARES INC EIN 81-2435939 · last filed 990 for 2024
- COUNT ME IN INC EIN 83-0561457 · last filed 990 for 2023
- CENTER FOR HUMAN GENETICS INC EIN 04-3154223 · last filed 990 for 2025
- ACTIVE SITE RESEARCH INC EIN 93-2180352 · last filed 990 for 2025
- INTREPID ALLIANCE INC EIN 35-2711268 · last filed 990 for 2024
- COLLABORATIVE TRAJECTORY ANALYSIS PROJECT EIN 93-4558784 · last filed 990 for 2024
All nonprofits in CAMBRIDGE · Massachusetts · Medical research