Disc Medicine, Inc. (IRON)
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Rahul Khara - OfficerDisc Medicine Inc is a clinical-stage biopharmaceutical company focused on the discovery, development, and commercialization of novel treatments for hematologic diseases. It aims to modify fundamental biological pathways associated with the formation and function of red blood cells, specifically heme biosynthesis and iron homeostasis. Its pipeline includes bitopertin for erythropoietic porphyrias (EPs), including erythropoietic protoporphyria (EPP), X-linked protoporphyria (XLP), and Diamond-Blackfan Anemia (DBA); DISC-0974 for the treatment of anemia of myelofibrosis (MF) and anemia of chronic kidney disease (CKD); and DISC-3405 for the treatment of polycythemia vera (PV) and other hematologic disorders. In addition, the Company's preclinical programs include DISC-0998.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 23 | 153,612 | $11.43M |
| Grant or award | 7 | 42,448 | |
| Option exercise | 32 | 307,224 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
67 Form 4 filings on record, the earliest from Oct 3, 2024, newest first. Filing history page 3 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| John D. Quisel - Officer | Option exercise | Common Stock | 19,820 | $2.65 | $53K | |
| John D. Quisel - Officer | Open-market sale | Common Stock | 3,414 | $62.38 | $213K | |
| John D. Quisel - Officer | Open-market sale | Common Stock | 12,194 | $63.12 | $770K | |
| John D. Quisel - Officer | Open-market sale | Common Stock | 4,212 | $63.80 | $269K | |
| John D. Quisel - Officer | Option exercise | Stock Option (Right to Buy) | 19,820 | $0.00 | - | |
| John D. Quisel - Officer | Option exercise | Common Stock | 12,791 | $1.01 | $13K | |
| John D. Quisel - Officer | Open-market sale | Common Stock | 219 | $64.66 | $14K | |
| John D. Quisel - Officer | Open-market sale | Common Stock | 5,767 | $65.58 | $378K | |
| John D. Quisel - Officer | Open-market sale | Common Stock | 6,305 | $66.35 | $418K | |
| John D. Quisel - Officer | Open-market sale | Common Stock | 500 | $67.20 | $34K | |
| John D. Quisel - Officer | Option exercise | Stock Option (Right to Buy) | 12,791 | $0.00 | - | |
 William Richard White | Option exercise | Common Stock | 1,756 | $2.65 | $5K | |
| William Richard White | Option exercise | Common Stock | 201 | $9.86 | $2K | |
| William Richard White | Open-market sale | Common Stock | 22 | $63.49 | $1K | |
| William Richard White | Open-market sale | Common Stock | 1,762 | $64.58 | $114K | |
| William Richard White | Open-market sale | Common Stock | 173 | $65.33 | $11K | |
| William Richard White | Option exercise | Stock Option (Right to Buy) | 1,756 | $0.00 | - | |
| William Richard White | Option exercise | Stock Option (Right to Buy) | 201 | $0.00 | - | |
| William Jacob Savage - Officer | Option exercise | Common Stock | 5,263 | $9.86 | $52K | |
| William Jacob Savage - Officer | Option exercise | Common Stock | 8,920 | $13.50 | $120K | |
| William Jacob Savage - Officer | Open-market sale | Common Stock | 8,737 | $64.98 | $568K | |
| William Jacob Savage - Officer | Open-market sale | Common Stock | 3,542 | $65.79 | $233K | |
| William Jacob Savage - Officer | Open-market sale | Common Stock | 1,904 | $67.02 | $128K | |
| William Jacob Savage - Officer | Option exercise | Stock Option (Right to Buy) | 5,263 | $0.00 | - | |
| William Jacob Savage - Officer | Option exercise | Stock Option (Right to Buy) | 8,920 | $0.00 | - | |
| William Jacob Savage - Officer | Option exercise | Common Stock | 9,158 | $9.86 | $90K | |
| William Jacob Savage - Officer | Open-market sale | Common Stock | 7,839 | $59.54 | $467K | |
| William Jacob Savage - Officer | Open-market sale | Common Stock | 1,219 | $60.16 | $73K | |
| William Jacob Savage - Officer | Open-market sale | Common Stock | 100 | $61.10 | $6K | |
| William Jacob Savage - Officer | Option exercise | Stock Option (Right to Buy) | 9,158 | $0.00 | - | |
| William Richard White | Option exercise | Common Stock | 201 | $9.86 | $2K | |
| William Richard White | Open-market sale | Common Stock | 72 | $45.68 | $3K | |
| William Richard White | Open-market sale | Common Stock | 129 | $46.75 | $6K | |
| William Richard White | Option exercise | Common Stock | 7,136 | $45.69 | $326K | |
| William Richard White | Open-market sale | Common Stock | 1,790 | $57.59 | $103K | |
| William Richard White | Open-market sale | Common Stock | 5,346 | $58.94 | $315K | |
| William Richard White | Option exercise | Stock Option (Right to Buy) | 201 | $0.00 | - | |
| William Richard White | Option exercise | Stock Option (Right to Buy) | 7,136 | $0.00 | - | |
| William Richard White | Option exercise | Common Stock | 201 | $9.86 | $2K | |
| William Richard White | Open-market sale | Common Stock | 32 | $49.03 | $2K | |
| William Richard White | Open-market sale | Common Stock | 40 | $50.45 | $2K | |
| William Richard White | Open-market sale | Common Stock | 50 | $51.51 | $3K | |
| William Richard White | Open-market sale | Common Stock | 79 | $52.53 | $4K | |
| William Richard White | Option exercise | Stock Option (Right to Buy) | 201 | $0.00 | - |
This is as far as the anonymous view goes. Create a free account for all 67 IRON filings on record.
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| JOHN QUISEL | Director, Officer | 33,000 | $2.60M | View on EDGAR | |
| RAHUL KHARA | Officer | 5,000 | $395K | View on EDGAR | |
| - | - | - | - | View on EDGAR |
Disc Medicine, Inc. (IRON) had 19 insider filings in the last 90 days, with the most recent on 2026-08-27. The full record for IRON runs to 67 Form 4 filings, the earliest from 2024-10-03. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of IRON were filed in the last 90 days.
23 insider sales of IRON were filed in the last 90 days, totaling $11.43M.
This page tracks IRON Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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