Disc Medicine (IRON): Insider filed to sell ~$21K

~$21K

planned to sell · 266 shares, around Oct 21, 2026

Planned for

Oct 21, 2026

Notice filed

Oct 21, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Oct 19, 2026Company filing · Form 8-K · Material agreement, ResultsSigned an important agreement, and reported its results (and 1 more item)
2. Oct 19, 2026Insider · 1 personInsiders: 3 sales (~$879K)
3. Oct 20, 2026Insider · 1 personInsiders: 3 sales (~$425K)
4. Oct 21, 2026Insider · 1 personInsiders: 3 sales (~$2.0M)

What came next

1. Oct 26, 20265% stakeAI DMI LLC filed an activist stake (13D) of 6.6%
2. Nov 5, 2026Company filing · Form 8-K · ResultsReported its results
3. Nov 10, 2026Insider · Their largest sale since 2023Officer sold ~$1.36M of IRON shares in the open market

How to read SEC Form 144

Form 144 is a notice that a company insider plans to sell shares. It is filed when the sell order is placed, so it announces a planned sale and does not prove that the sale took place.

Full guide: What is an SEC Form 144?

What else is on file for Disc Medicine

For Disc Medicine, OQRO holds 23 insider filings (SEC Form 4 or Form 144) and 1 fund holdings report (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its IRON page.

How this filing works

• SEC Form 144
• Rule 10b5-1 trading plans

Other disclosures at Disc Medicine

• SEC Form 4Nov 12, 2026
• SEC Form 144Nov 10, 2026
• SEC Schedule 13DOct 26, 2026
• SEC Form 144Oct 21, 2026
• SEC Form 144Oct 21, 2026
• SEC Form 4Oct 21, 2026

Everything OQRO holds on this company is on its IRON page.