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Form D · on the record

Iambic Therapeutics — $65.97M Form D filing, September 2026

Iambic Therapeutics, Inc. filed a Form D with the Securities and Exchange Commission on 2026-09-09.

Iambic Therapeutics, Inc. filed a Form D notice of an exempt securities offering with the SEC on September 9, 2026. The filing reports $65.97M sold. Its industry group is Biotechnology. It names Thomas Miller (Executive Officer, Director), Fred Manby (Executive Officer, Director), Neil Josephson (Executive Officer) (SEC Form D, September 9, 2026).

William Rastetter is also named on 1 other Form D filing ↓

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Iambic Therapeutics, Inc.

New Form D on file · 2026-09-09 · the record

$65.97M
raise on the record
D
filing
16
investors in
CALIFORNIA
based
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What the record says

FilingForm D
Filed2026-09-09
Industry groupBiotechnology
Entity typeCorporation
Incorporated inDELAWARE
BasedSAN DIEGO, CALIFORNIA
CIK1997038
Accession0001997038-26-000002

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Biotechnology raises by companies based in California, filed in September 2026, largest first.

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What the filing shows about Iambic Therapeutics, Inc.

  • 16 investors had already put money in when it filed.
  • The filing names 13 people as officers, directors or promoters.

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What the filing says

  • Offered: $66,500,000. Sold: $65,965,000. Left to sell: $535,000. (filing)
  • Investors: 16 had already invested. (filing)
  • Date of first sale: August 14, 2026. (filing)
  • Types of securities: Debt. (filing)
  • Item 16: the filing reports that none of the proceeds goes to executive officers, directors or promoters. (filing)

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.

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Filing history · 7 filings on this registrant
Form D · 2023-10-12 · $103.23MForm D · 2024-04-25 · $26.87MForm D/A, amended · 2024-05-07 · $29.86MForm D/A, amended · 2024-06-06 · $38.38MForm D · 2025-11-21 · $99.27MForm D · 2026-04-08 · $27.77MForm D · 2026-09-09 · $65.97M · this page 2023-10-12 2026-09-09

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.

Biotechnology · by week
This raise, $65.97M, filed week of Sep 7

Trailing twelve months. 771 filings in Biotechnology, totalled by week. The dot is this raise, $65.97M, on the same scale — one filing against the whole group's total, so it sits low by construction.

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Sourced from the filing index on sec.gov, and from the company's own site, read directly on 2026-09-25 (iambic.ai).

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Iambic Therapeutics, Inc.: Raised $65.97M, Form D filed 2026-09-09

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Permanent URL: https://mentionfox.com/funding/iambic-therapeutics-inc-form-d-000002
Last updated 2026-10-20
Primary record: SEC filing 1 · SEC filing 2 · SEC filing 3 · SEC filing 4
Iambic Therapeutics raised $65.97M — SEC Form D filing, September 2026. MentionFox, 2026-10-20. https://mentionfox.com/funding/iambic-therapeutics-inc-form-d-000002