AI3 Bio, Inc.
New Form D on file · 2026-11-04 · the record
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AI3 Bio, Inc. filed a Form D with the Securities and Exchange Commission on 2026-11-04.
AI3 Bio, Inc. filed a Form D notice of an exempt securities offering with the SEC on November 4, 2026. AI3 Bio, Inc. was formerly named Corner Therapeutics, Inc. The filing reports $48.34M sold. Its industry group is Biotechnology. It names Steven Altschuler (Executive Officer, Director), Michael Lyman (Executive Officer), Nick Seaver (Executive Officer, Director) (SEC Form D, November 4, 2026).
AI3 Bio, Inc. raised on Nov 4. 125 companies raised this week.
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New Form D on file · 2026-11-04 · the record
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Biotechnology raises by companies based in Massachusetts, filed within 90 days of this one, largest first.
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What the filing shows about AI3 Bio, Inc.
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The filing gives AI3 Bio, Inc.'s address as 99 Coolidge Ave, Suite 201, Watertown, MA 02472.
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Full funding history for AI3 Bio, Inc. →
This is the company's own disclosure. A payment disclosed on a Form D is a disclosed use of proceeds, not a finding of wrongdoing.
AI3 Bio, Inc. is a registered filer with the SEC (CIK 2019875) and has filed since 2024-04-23. 6 filings are on record, the latest on 2026-11-04.
A filing shows the company exists and what it reports about itself. It is not an audit or a rating.
AI3 Bio, Inc.'s Form D of 2026-11-04 names Steven Altschuler, Michael Lyman, Nick Seaver and 4 more as its officers, directors or promoters.
Its new offerings report $116.04M sold across 3 offerings, as its own filings state.
A hollow marker is an amendment (Form D/A); a solid one is an original Form D. The larger marker is the filing this page is about.
Trailing twelve months. 765 filings in Biotechnology, totalled by week. The dot is this raise, $48.34M, on the same scale — one filing against the whole group's total, so it sits low by construction.
Steven Altschuler is named as Executive Officer and Director on the Form D that AI3 Bio, Inc. filed with the SEC on 4 November 2026, one of 7 people that filing names.
Michael Lyman is named as Executive Officer on the Form D that AI3 Bio, Inc. filed with the SEC on 4 November 2026, one of 7 people that filing names.
Nick Seaver is named as Executive Officer and Director on the Form D that AI3 Bio, Inc. filed with the SEC on 4 November 2026, one of 7 people that filing names.
Fabian Tenenbaum is named as Director on the Form D that AI3 Bio, Inc. filed with the SEC on 4 November 2026, one of 7 people that filing names.
Jeanne Cunicelli is named as Director on the Form D that AI3 Bio, Inc. filed with the SEC on 4 November 2026, one of 7 people that filing names.
Alan Ezekowitz is named as Director on the Form D that AI3 Bio, Inc. filed with the SEC on 4 November 2026, one of 7 people that filing names.
Jonathan Kagan is named as Executive Officer on the Form D that AI3 Bio, Inc. filed with the SEC on 4 November 2026, one of 7 people that filing names.
7 people named on the filing — 4 holding an executive role and 3 as directors only.
Named as of the 2026-11-04 filing. Titles and locations are exactly as the filing states — not independently confirmed elsewhere.
No investor is drawn from a Form D — the form states how many invested and never who.
What the filing shows about AI3 Bio, Inc.
Only in the Full Report: Who Runs It, And How To Reach Them · Warning Bells · Who Pays Them, And Who They Are Up Against.
Example from a real report (our sample on Target): “Target eliminated approximately 1,800 corporate positions, with around 1,000 employees receiving layoff notices and the remainder accounted for by eliminating open roles.” Source: NBC News
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On these lists: Boston raises, week of 2026-11-02 · Biotech raises, week of 2026-11-02 · Biotech raises in Boston
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