Company Analysis

Disc Medicine, Inc. (IRON)

Nasdaq: IRON · Pharmaceutical Preparations · Watertown, MA · filing with the SEC since 2020
Grade5.0
◀ Past 4.1● Present 6.7▶ Future 4.1
7 est.

Filings

327 filings since 2017 beside 453 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026
Due nextLarge accelerated filer
10-K Annual report for the fiscal year ending Dec 31, 2026Large accelerated filers have 60 days after the fiscal year ends. by Mar 1, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end. by May 10, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 36 days after the quarter ended. The proxy statement was last filed Apr 28, 2026.

Filings a yearinsider forms included
3710871168107173116
2020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 3 times in the last 36 months, the newest Oct 6, 2025.SEC letters: 2 in the last 36 months, the newest Nov 27, 2023.
Insider forms 453

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 5, 2026 424B5 Shelf offering
Nov 5, 2026 10-Q Quarterly report Sep 30, 2026
Nov 5, 2026 8-K items 2.02, 9.01 Results released · Current report
Oct 26, 2026 SCHEDULE 13D/A Activist holder update, amended
Oct 22, 2026 8-K items 1.01, 2.02, 8.01, 9.01 Major agreement signed; Results released; Other event · Current report Oct 19, 2026
Oct 21, 2026 424B5 Shelf offering
Oct 20, 2026 424B5 Shelf offering
Oct 19, 2026 8-K items 7.01, 8.01, 9.01 Investor disclosure (Regulation FD); Other event · Current report
Sep 10, 2026 8-K items 7.01, 8.01, 9.01 Investor disclosure (Regulation FD); Other event · Current report Sep 9, 2026
Aug 6, 2026 SCHEDULE 13G/A Large holder update, amended
Jul 30, 2026 10-Q Quarterly report Jun 30, 2026
Jul 30, 2026 8-K items 2.02, 9.01 Results released · Current report
Jun 30, 2026 8-K items 1.01, 2.03 Major agreement signed; New debt or obligation taken on · Current report Jun 25, 2026
Jun 24, 2026 8-K item 5.07 Shareholder vote · Current report Jun 18, 2026
May 5, 2026 10-Q Quarterly report Mar 31, 2026
May 5, 2026 8-K items 2.02, 9.01 Results released · Current report
Apr 28, 2026 ARS Annual report to shareholders Dec 31, 2025
Apr 28, 2026 DEFA14A Extra proxy material
Apr 28, 2026 DEF 14A Proxy statement Jun 18, 2026
Feb 27, 2026 8-K item 2.05 Exit or restructuring costs · Current report Feb 26, 2026
Feb 26, 2026 S-8 Employee stock plan registration
Feb 26, 2026 10-K Annual report Dec 31, 2025
Feb 26, 2026 8-K items 2.02, 9.01 Results released · Current report
Feb 17, 2026 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
Feb 13, 2026 8-K items 7.01, 8.01, 9.01 Investor disclosure (Regulation FD); Other event · Current report
Jan 12, 2026 8-K items 2.02, 7.01, 9.01 Results released; Investor disclosure (Regulation FD) · Current report
Jan 7, 2026 SCHEDULE 13G Large holder notice
Dec 17, 2025 SCHEDULE 13D/A Activist holder update, amended
Dec 8, 2025 8-K items 8.01, 9.01 Other event · Current report Dec 7, 2025
Nov 6, 2025 10-Q Quarterly report Sep 30, 2025
Nov 6, 2025 8-K items 2.02, 9.01 Results released · Current report
Nov 5, 2025 SCHEDULE 13G/A Large holder update, amended
Oct 22, 2025 SCHEDULE 13D/A Activist holder update, amended
Oct 22, 2025 8-K items 1.01, 8.01, 9.01 Major agreement signed; Other event · Current report Oct 20, 2025
Oct 21, 2025 424B5 Shelf offering
Oct 20, 2025 424B5 Shelf offering
Oct 20, 2025 8-K items 2.02, 7.01, 8.01, 9.01 Results released; Investor disclosure (Regulation FD); Other event · Current report
Oct 17, 2025 8-K item 8.01 Other event · Current report Oct 16, 2025
Oct 6, 2025 8-K item 5.02 Officer or director change · Current report Oct 3, 2025
Aug 15, 2025 SCHEDULE 13D/A Activist holder update, amended
40 of 327 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton IRON · research, not advice