Data / Form D filings / AI3 Bio, Inc.
AI3 Bio, Inc.: Form D filings
AI3 Bio, Inc., a biotechnology company in Watertown, MA, filed 6 Form D notices with the SEC between 2024 and 2026. The latest, on November 4, 2026, reports an offering of no set size with nothing sold yet to 7 investors.
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Company details from the filing
- Address
- 99 COOLIDGE AVE, SUITE 201, Watertown, MA, 02472
- Phone
- (617) 701-7014
- Industry
- Biotechnology
- Entity type
- Corporation
- Incorporated in
- Delaware
- Revenue range
- Decline to Disclose
- Exemptions claimed
- Rule 506(b)
- SEC identifier (CIK)
- 2019875
Form D filings
| Filed | Type | Offering | Sold | Remaining | Investors | First sale | Filing |
|---|---|---|---|---|---|---|---|
| Nov 4, 2026 | New notice | Indefinite | $0 | 7 | Jun 9, 2026 | sec.gov | |
| Nov 4, 2026 | New notice | $48,339,490 | $48,339,490 | 8 | Jun 9, 2026 | sec.gov | |
| Oct 20, 2025 | New notice | $16,754,446 | $16,754,446 | 4 | Sep 26, 2025 | sec.gov | |
| Aug 11, 2025 | Amendment | $63,455,390 | $58,510,656 | $4,944,734 | 14 | May 31, 2023 | sec.gov |
| Apr 30, 2025 | Amendment | $53,681,969 | $53,441,210 | $240,759 | 14 | May 31, 2023 | sec.gov |
| Apr 23, 2024 | New notice | $50,941,210 | $50,941,210 | 14 | May 31, 2023 | sec.gov |
Executive officers and directors named in the filing
| Name | Role | Note in the filing |
|---|---|---|
| Steven Altschuler | Executive Officer, Director | |
| Michael Lyman | Executive Officer | |
| Nick Seaver | Executive Officer, Director | |
| Fabian Tenenbaum | Director | |
| Jeanne Cunicelli | Director | |
| Alan Ezekowitz | Director | |
| Jonathan Kagan | Executive Officer |
Other biotechnology companies in Massachusetts that filed recently
- Tru Singular Health, Inc. $1 million · Oct 30, 2026
- 511 Therapeutics, Inc. $500,000 · Oct 30, 2026
- Elucid Bioimaging Inc. $56.2 million · Oct 27, 2026
- OrthoIQ, Inc. $1.1 million · Oct 23, 2026
- LeanBio Therapeutics, Inc. offering · Oct 22, 2026
- Quiver Holdings Inc. $3 million · Oct 21, 2026
Every Form D from the week of Nov 2, 2026 · All recent filings in Massachusetts · All recent Biotechnology filings
Read from SEC EDGAR. Amount sold is what AI3 Bio, Inc. reported on the day it filed; on an offering that is still open, a later amendment can raise it. Free to reuse with credit to SpecStream under CC BY 4.0.