Disc Medicine, Inc. (IRON)
Data as of , from SEC Form 4 filings.
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About Disc Medicine, Inc. (IRON)
Disc 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.
- WATERTOWN, MA
- 165
- 2021
- XNAS
IRON Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 23 | 131,221 | $10.24M |
| Option exercise | 18 | 222,072 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
IRON insider transactions (Form 4)
5671 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 | 34,800 | $9.86 | $343K | |
| John D. Quisel - Officer | Open-market sale | Common Stock | 31,207 | $55.23 | $1.72M | |
| John D. Quisel - Officer | Open-market sale | Common Stock | 3,593 | $56.20 | $202K | |
| John D. Quisel - Officer | Option exercise | Stock Option (Right to Buy) | 34,800 | $0.00 | - | |
| John D. Quisel - Officer | Option exercise | Common Stock | 5,200 | $9.86 | $51K | |
| John D. Quisel - Officer | Open-market sale | Common Stock | 5,200 | $55.09 | $286K | |
| John D. Quisel - Officer | Option exercise | Stock Option (Right to Buy) | 5,200 | $0.00 | - | |
| William Jacob Savage - Officer | Option exercise | Common Stock | 29,659 | $9.86 | $292K | |
| William Jacob Savage - Officer | Option exercise | Common Stock | 2,411 | $9.86 | $24K | |
| William Jacob Savage - Officer | Option exercise | Stock Option (Right to Buy) | 29,659 | $0.00 | - | |
| William Jacob Savage - Officer | Option exercise | Stock Option (Right to Buy) | 2,411 | $0.00 | - | |
| Georges Gemayel | Grant or award | Stock Option (Right to Buy) | 10,000 | $0.00 | - | |
| 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 | - |
Recent IRON Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| KEVIN J BITTERMAN | Officer | 27,136 | $1.90M | View on EDGAR | |
| Atlas Venture Opportunity Fund I, LP | Shareholder | 912 |
IRON insider trading FAQ
What is the latest insider trade for IRON?
Disc Medicine, Inc. (IRON) had 8 insider filings in the last 90 days, with the most recent on 2026-09-16. The full record for IRON runs to 71 Form 4 filings, the earliest from 2024-10-03. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying IRON stock?
No insider purchases of IRON were filed in the last 90 days.
How many insiders are selling IRON stock?
23 insider sales of IRON were filed in the last 90 days, totaling $10.24M.
Where can I see IRON SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects IRON Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Health Care companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - John D. Quisel view on EDGAR
- - Kevin Bitterman view on EDGAR
- - Kevin Bitterman view on EDGAR
- - Kevin Bitterman view on EDGAR
- - Jonathan Yen-Wen Yu view on EDGAR
- - John D. Quisel view on EDGAR
- - Jonathan Yen-Wen Yu view on EDGAR
- - Rahul Khara view on EDGAR
- - John D. Quisel view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Health Care
- Where IRON's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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