Disc Medicine, Inc. SEC filings IRON

Disc Medicine, Inc. has 778 filings in SEC EDGAR's recent list, going back to Jul 2, 2020. Its latest annual report, Form ARS, was filed on Apr 28, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations). The company's fiscal year ends on December 31.

Disc Medicine, Inc. SEC filings
Form Description Filed Period
424B5 Prospectus supplement Nov 5, 2026 —
10-Q Quarterly report Nov 5, 2026 Sep 30, 2026
8-K Current report
Results of operations
Nov 5, 2026 Nov 5, 2026
SCHEDULE 13D/A Amended ownership over 5% (active) Oct 26, 2026 —
8-K Current report
Material agreement, Results of operations, Other events
Oct 22, 2026 Oct 19, 2026
4 Insider transaction Oct 21, 2026 Oct 19, 2026
424B5 Prospectus supplement Oct 21, 2026 —
144 Notice of proposed sale Oct 21, 2026 —
144 Notice of proposed sale Oct 21, 2026 —
144 Notice of proposed sale Oct 21, 2026 —
144 Notice of proposed sale Oct 21, 2026 —
144 Notice of proposed sale Oct 20, 2026 —
144 Notice of proposed sale Oct 20, 2026 —
144 Notice of proposed sale Oct 20, 2026 —
144 Notice of proposed sale Oct 20, 2026 —
424B5 Prospectus supplement Oct 20, 2026 —
144 Notice of proposed sale Oct 19, 2026 —
144 Notice of proposed sale Oct 19, 2026 —
144 Notice of proposed sale Oct 19, 2026 —
144 Notice of proposed sale Oct 19, 2026 —
8-K Current report
Regulation FD disclosure, Other events
Oct 19, 2026 Oct 19, 2026
4 Insider transaction Sep 16, 2026 Sep 15, 2026
4 Insider transaction Sep 15, 2026 Sep 11, 2026
144 Notice of proposed sale Sep 11, 2026 —
8-K Current report
Regulation FD disclosure, Other events
Sep 10, 2026 Sep 9, 2026
4 Insider transaction Sep 9, 2026 Sep 4, 2026
144 Notice of proposed sale Sep 4, 2026 —
144 Notice of proposed sale Sep 4, 2026 —
144 Notice of proposed sale Sep 4, 2026 —
144 Notice of proposed sale Sep 4, 2026 —
4 Insider transaction Sep 3, 2026 Sep 1, 2026
144 Notice of proposed sale Sep 3, 2026 —
144 Notice of proposed sale Sep 3, 2026 —
144 Notice of proposed sale Sep 3, 2026 —
144 Notice of proposed sale Sep 3, 2026 —
144 Notice of proposed sale Sep 2, 2026 —
144 Notice of proposed sale Sep 2, 2026 —
144 Notice of proposed sale Sep 2, 2026 —
144 Notice of proposed sale Sep 2, 2026 —
4 Insider transaction Aug 26, 2026 Aug 24, 2026
4 Insider transaction Aug 18, 2026 Aug 17, 2026
144 Notice of proposed sale Aug 17, 2026 —
4 Insider transaction Aug 14, 2026 Aug 12, 2026
4 Insider transaction Aug 7, 2026 Aug 6, 2026
144 Notice of proposed sale Aug 6, 2026 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Aug 6, 2026 —
10-Q Quarterly report Jul 30, 2026 Jun 30, 2026
8-K Current report
Results of operations
Jul 30, 2026 Jul 30, 2026
4 Insider transaction Jul 14, 2026 Jul 13, 2026
144 Notice of proposed sale Jul 13, 2026 —
4 Insider transaction Jul 9, 2026 Jul 7, 2026
144 Notice of proposed sale Jul 7, 2026 —
4 Insider transaction Jun 30, 2026 Jun 26, 2026
4 Insider transaction Jun 30, 2026 Jun 26, 2026
8-K Current report
Material agreement, New debt
Jun 30, 2026 Jun 25, 2026
144 Notice of proposed sale Jun 26, 2026 —
4 Insider transaction Jun 24, 2026 Jun 22, 2026
8-K Current report
Shareholder vote results
Jun 24, 2026 Jun 18, 2026
4 Insider transaction Jun 23, 2026 Jun 18, 2026
4 Insider transaction Jun 23, 2026 Jun 18, 2026
4 Insider transaction Jun 23, 2026 Jun 18, 2026
4 Insider transaction Jun 23, 2026 Jun 18, 2026
4 Insider transaction Jun 23, 2026 Jun 18, 2026
4 Insider transaction Jun 23, 2026 Jun 18, 2026
4 Insider transaction Jun 23, 2026 Jun 18, 2026
4 Insider transaction Jun 23, 2026 Jun 18, 2026
4 Insider transaction Jun 23, 2026 Jun 18, 2026
144 Notice of proposed sale Jun 22, 2026 —
4 Insider transaction Jun 18, 2026 Jun 16, 2026
144 Notice of proposed sale Jun 18, 2026 —
144 Notice of proposed sale Jun 18, 2026 —
144 Notice of proposed sale Jun 16, 2026 —
10-Q Quarterly report May 5, 2026 Mar 31, 2026
8-K Current report
Results of operations
May 5, 2026 May 5, 2026
ARS Annual report to shareholders Apr 28, 2026 Dec 31, 2025
DEFA14A Additional proxy material Apr 28, 2026 —
DEF 14A Proxy statement Apr 28, 2026 Jun 18, 2026
4 Insider transaction Apr 15, 2026 Apr 13, 2026
4 Insider transaction Apr 15, 2026 Apr 13, 2026
144 Notice of proposed sale Apr 13, 2026 —
4 Insider transaction Mar 4, 2026 Mar 2, 2026
144 Notice of proposed sale Mar 2, 2026 —
4 Insider transaction Feb 27, 2026 Feb 25, 2026
8-K Current report
Exit or restructuring costs
Feb 27, 2026 Feb 26, 2026
S-8 Employee stock plan registration Feb 26, 2026 —
10-K Annual report Feb 26, 2026 Dec 31, 2025
8-K Current report
Results of operations
Feb 26, 2026 Feb 26, 2026
144 Notice of proposed sale Feb 25, 2026 —
4 Insider transaction Feb 19, 2026 Feb 17, 2026
144 Notice of proposed sale Feb 18, 2026 —
4 Insider transaction Feb 17, 2026 Feb 17, 2026
4 Insider transaction Feb 17, 2026 Feb 17, 2026
4 Insider transaction Feb 17, 2026 Feb 17, 2026
4 Insider transaction Feb 17, 2026 Feb 17, 2026
4 Insider transaction Feb 17, 2026 Feb 17, 2026
144 Notice of proposed sale Feb 17, 2026 —
144 Notice of proposed sale Feb 17, 2026 —
144 Notice of proposed sale Feb 17, 2026 —
144 Notice of proposed sale Feb 17, 2026 —
144 Notice of proposed sale Feb 17, 2026 —
144 Notice of proposed sale Feb 17, 2026 —
8-K Current report
Regulation FD disclosure
Feb 17, 2026 Feb 17, 2026
8-K Current report
Regulation FD disclosure, Other events
Feb 13, 2026 Feb 13, 2026
4 Insider transaction Feb 11, 2026 Feb 10, 2026
4 Insider transaction Feb 11, 2026 Feb 10, 2026
4 Insider transaction Feb 11, 2026 Feb 10, 2026
4 Insider transaction Feb 11, 2026 Feb 10, 2026
4 Insider transaction Feb 11, 2026 Feb 10, 2026
4 Insider transaction Feb 11, 2026 Feb 10, 2026
4 Insider transaction Jan 21, 2026 Jan 20, 2026
8-K Current report
Results of operations, Regulation FD disclosure
Jan 12, 2026 Jan 12, 2026
SCHEDULE 13G Ownership over 5% (passive) Jan 7, 2026 —
4 Insider transaction Jan 5, 2026 Jan 2, 2026
144 Notice of proposed sale Jan 2, 2026 —
4 Insider transaction Dec 29, 2025 Dec 22, 2025
4 Insider transaction Dec 19, 2025 Dec 19, 2025
4 Insider transaction Dec 18, 2025 Dec 17, 2025
SCHEDULE 13D/A Amended ownership over 5% (active) Dec 17, 2025 —
144 Notice of proposed sale Dec 17, 2025 —
144 Notice of proposed sale Dec 17, 2025 —
144 Notice of proposed sale Dec 17, 2025 —
144 Notice of proposed sale Dec 17, 2025 —
144 Notice of proposed sale Dec 17, 2025 —
4 Insider transaction Dec 16, 2025 Dec 12, 2025
4 Insider transaction Dec 16, 2025 Dec 15, 2025
144 Notice of proposed sale Dec 16, 2025 —
144 Notice of proposed sale Dec 16, 2025 —
144 Notice of proposed sale Dec 16, 2025 —
144 Notice of proposed sale Dec 16, 2025 —
144 Notice of proposed sale Dec 16, 2025 —
144 Notice of proposed sale Dec 16, 2025 —
144 Notice of proposed sale Dec 16, 2025 —
144 Notice of proposed sale Dec 16, 2025 —
144 Notice of proposed sale Dec 16, 2025 —
144 Notice of proposed sale Dec 15, 2025 —
144 Notice of proposed sale Dec 15, 2025 —
144 Notice of proposed sale Dec 15, 2025 —
144 Notice of proposed sale Dec 15, 2025 —
144 Notice of proposed sale Dec 15, 2025 —
4 Insider transaction Dec 15, 2025 Dec 11, 2025
144 Notice of proposed sale Dec 15, 2025 —
144 Notice of proposed sale Dec 15, 2025 —
144 Notice of proposed sale Dec 15, 2025 —
144 Notice of proposed sale Dec 15, 2025 —
144 Notice of proposed sale Dec 15, 2025 —
144 Notice of proposed sale Dec 15, 2025 —
144 Notice of proposed sale Dec 12, 2025 —
144 Notice of proposed sale Dec 12, 2025 —
144 Notice of proposed sale Dec 12, 2025 —
144 Notice of proposed sale Dec 12, 2025 —
144 Notice of proposed sale Dec 12, 2025 —
144 Notice of proposed sale Dec 11, 2025 —
8-K Current report
Other events
Dec 8, 2025 Dec 7, 2025
4 Insider transaction Nov 13, 2025 Nov 11, 2025
144 Notice of proposed sale Nov 12, 2025 —
10-Q Quarterly report Nov 6, 2025 Sep 30, 2025
8-K Current report
Results of operations
Nov 6, 2025 Nov 6, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) Nov 5, 2025 —
4 Insider transaction Oct 24, 2025 Oct 22, 2025
SCHEDULE 13D/A Amended ownership over 5% (active) Oct 22, 2025 —
8-K Current report
Material agreement, Other events
Oct 22, 2025 Oct 20, 2025
424B5 Prospectus supplement Oct 21, 2025 —
144 Notice of proposed sale Oct 20, 2025 —
144 Notice of proposed sale Oct 20, 2025 —
144 Notice of proposed sale Oct 20, 2025 —
424B5 Prospectus supplement Oct 20, 2025 —
8-K Current report
Results of operations, Regulation FD disclosure, Other events
Oct 20, 2025 Oct 20, 2025
144 Notice of proposed sale Oct 17, 2025 —
144 Notice of proposed sale Oct 17, 2025 —
144 Notice of proposed sale Oct 17, 2025 —
4 Insider transaction Oct 17, 2025 Oct 15, 2025
8-K Current report
Other events
Oct 17, 2025 Oct 16, 2025
144 Notice of proposed sale Oct 16, 2025 —
144 Notice of proposed sale Oct 16, 2025 —
144 Notice of proposed sale Oct 15, 2025 —
144 Notice of proposed sale Oct 15, 2025 —
4 Insider transaction Oct 9, 2025 Oct 7, 2025
144 Notice of proposed sale Oct 8, 2025 —
144 Notice of proposed sale Oct 7, 2025 —
8-K Current report
Officer or director change
Oct 6, 2025 Oct 3, 2025
4 Insider transaction Sep 18, 2025 Sep 16, 2025
4 Insider transaction Sep 11, 2025 Sep 9, 2025
4 Insider transaction Aug 26, 2025 Aug 22, 2025
144 Notice of proposed sale Aug 22, 2025 —
144 Notice of proposed sale Aug 22, 2025 —
4 Insider transaction Aug 15, 2025 Aug 13, 2025
SCHEDULE 13D/A Amended ownership over 5% (active) Aug 15, 2025 —
144 Notice of proposed sale Aug 14, 2025 —
144 Notice of proposed sale Aug 14, 2025 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Aug 14, 2025 —
144 Notice of proposed sale Aug 13, 2025 —
144 Notice of proposed sale Aug 13, 2025 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Aug 12, 2025 —
4 Insider transaction Aug 7, 2025 Aug 5, 2025
SCHEDULE 13G/A Amended ownership over 5% (passive) Aug 7, 2025 —
10-Q Quarterly report Aug 7, 2025 Jun 30, 2025
8-K Current report
Results of operations
Aug 7, 2025 Aug 7, 2025
144 Notice of proposed sale Aug 5, 2025 —
144 Notice of proposed sale Aug 5, 2025 —
4 Insider transaction Aug 1, 2025 Jul 30, 2025

Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Pharmaceutical Preparations (SIC 2834)
Listed as
IRON (Nasdaq)
Fiscal year ends
December 31
Headquarters
Watertown, MA
SEC filer status
Large accelerated filer
SEC CIK
1816736
Former names
Gemini Therapeutics, Inc. /DE (until Dec 28, 2022); FS Development Corp. (until Feb 8, 2021)

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Source: SEC EDGAR filings. This is company-reported data, not investment advice.