Disc Medicine, Inc.
IRON
40 insider filings · Latest: Sep 15, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Sep 11, 2026 | Sep 15 8:30 PM | Kevin BittermanDirector | Sale | 27,136 | $70.11 | $1.9M | 0(D) | View → |
| Sep 11, 2026 | Sep 11 8:11 PM | KEVIN J BITTERMAN | Proposed Sale | 27,136 | $70.11 | $1.9M | — | View → |
| Sep 4, 2026 | Sep 9 8:23 PM | Kevin BittermanDirector | Sale | 1,689 | $79.96 | $135.1K | 13,427(I) | View → |
| Sep 4, 2026 | Sep 4 8:36 PM | Atlas Venture Fund XII, LP | Proposed Sale | 18 | $79.37 | $1.4K | — | View → |
| Sep 4, 2026 | Sep 4 8:35 PM | Atlas Venture Opportunity Fund II, LP | Proposed Sale | 759 | $79.37 | $60.2K | — | View → |
| Sep 4, 2026 | Sep 4 8:34 PM | Atlas Venture Opportunity Fund I, LP | Proposed Sale | 912 | $79.37 | $72.4K | — | View → |
| Sep 4, 2026 | Sep 4 8:32 PM | Atlas Venture Fund X, LP | Proposed Sale | 2,212 | $79.37 | $175.6K | — | View → |
| Sep 3, 2026 | Sep 3 9:43 PM | Kevin BittermanDirector | Sale | 5,203 | $79.98 | $416.1K | 13,445(I) | View → |
| Sep 2, 2026 | Sep 3 9:43 PM | Kevin BittermanDirector | Sale | 49,164 | $80.17 | $3.9M | 13,499(I) | View → |
| Sep 1, 2026 | Sep 3 9:43 PM | Kevin BittermanDirector | Sale | 129 | $79.95 | $10.3K | 14,012(I) | View → |
| Sep 3, 2026 | Sep 3 9:09 PM | Atlas Venture Fund XII, LP | Proposed Sale | 54 | $80.05 | $4.3K | — | View → |
| Sep 3, 2026 | Sep 3 9:08 PM | Atlas Venture Opportunity Fund II, LP | Proposed Sale | 2,339 | $80.05 | $187.2K | — | View → |
| Sep 3, 2026 | Sep 3 9:08 PM | Atlas Venture Opportunity Fund I, LP | Proposed Sale | 2,810 | $80.05 | $224.9K | — | View → |
| Sep 3, 2026 | Sep 3 9:08 PM | Atlas Venture Fund X, LP | Proposed Sale | 6,822 | $80.05 | $546.1K | — | View → |
| Sep 2, 2026 | Sep 2 8:47 PM | Atlas Venture Fund XII, LP | Proposed Sale | 513 | $78.67 | $40.4K | — | View → |
| Sep 2, 2026 | Sep 2 8:46 PM | Atlas Venture Opportunity Fund II, LP | Proposed Sale | 22,099 | $78.67 | $1.7M | — | View → |
| Sep 2, 2026 | Sep 2 8:45 PM | Atlas Venture Opportunity Fund I, LP | Proposed Sale | 26,552 | $78.67 | $2.1M | — | View → |
| Sep 2, 2026 | Sep 2 8:44 PM | Atlas Venture Fund X, LP | Proposed Sale | 64,460 | $78.67 | $5.1M | — | View → |
| Aug 25, 2026 | Aug 27 12:10 AM | Jonathan Yen-Wen YuChief Operating Officer | Sale | 8,796 | $83.12 | $731.1K | 54,324(D) | View → |
| Aug 24, 2026 | Aug 27 12:10 AM | Jonathan Yen-Wen YuChief Operating Officer | Sale | 300 | $82.53 | $24.8K | 54,324(D) | View → |
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Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Sep 15, 2026 | Sep 16 10:44 PM | John D QuiselDirector, Chief Executive Officer | Option Exercise | 36,000 | $1.01 | 150,120(D) | View → |
| Sep 11, 2026 | Sep 15 8:30 PM | Kevin BittermanDirector | Option Exercise | 27,136 | $50.86 | 0(D) | View → |
| Aug 25, 2026 | Aug 27 12:10 AM | Jonathan Yen-Wen YuChief Operating Officer | Option Exercise | 8,796 | $13.50 | 13,847(D) | View → |
| Aug 24, 2026 | Aug 27 12:10 AM | Jonathan Yen-Wen YuChief Operating Officer | Option Exercise | 300 | $13.50 | 22,643(D) | View → |
| Aug 17, 2026 | Aug 18 10:56 PM | John D QuiselDirector, Chief Executive Officer | Option Exercise | 33,000 | $13.50 | 91,586(D) | View → |
| Aug 12, 2026 | Aug 14 11:14 PM | Jonathan Yen-Wen YuChief Operating Officer | Option Exercise | 804 | $13.50 | 22,943(D) | View → |
| Aug 6, 2026 | Aug 7 9:32 PM | Rahul KharaChief Legal Officer | Option Exercise | 5,000 | $14.69 | 49,804(D) | View → |
| Jul 13, 2026 | Jul 14 10:32 PM | John D QuiselDirector, Chief Executive Officer | Option Exercise | 33,000 | $13.50 | 124,586(D) | View → |
| Jul 7, 2026 | Jul 9 11:35 PM | Jonathan Yen-Wen YuChief Operating Officer | Option Exercise | 100 | $13.50 | 23,747(D) | View → |
| Jun 29, 2026 | Jun 30 9:49 PM | Rahul KharaChief Legal Officer | Option Exercise | 1,649 | $14.69 | 54,804(D) | View → |
| Jun 26, 2026 | Jun 30 9:49 PM | Rahul KharaChief Legal Officer | Option Exercise | 851 | $14.69 | 56,453(D) | View → |
| Jun 26, 2026 | Jun 30 9:45 PM | Jonathan Yen-Wen YuChief Operating Officer | Option Exercise | 300 | $13.50 | 23,847(D) | View → |
| Jun 22, 2026 | Jun 25 12:34 AM | Jonathan Yen-Wen YuChief Operating Officer | Option Exercise | 9,700 | $13.50 | 24,147(D) | View → |
| Jun 18, 2026 | Jun 23 9:21 PM | Rahul KharaChief Legal Officer | Option Exercise | 7,500 | $14.69 | 57,304(D) | View → |
| Jun 18, 2026 | Jun 23 9:16 PM | John D QuiselDirector, Chief Executive Officer | Option Exercise | 34,000 | $9.86 | 41,375(D) | View → |
| Jun 18, 2026 | Jun 23 9:04 PM | William Richard WhiteDirector | Grant/Award | 6,212 | $70.79 | 6,212(D) | View → |
| Jun 18, 2026 | Jun 23 9:01 PM | Liam RatcliffeDirector | Grant/Award | 6,212 | $70.79 | 6,212(D) | View → |
| Jun 18, 2026 | Jun 23 9:00 PM | Donald William NicholsonDirector | Grant/Award | 6,212 | $70.79 | 6,212(D) | View → |
| Jun 18, 2026 | Jun 23 8:59 PM | Georges GemayelDirector | Grant/Award | 6,212 | $70.79 | 6,212(D) | View → |
| Jun 18, 2026 | Jun 23 8:58 PM | Mark ChinDirector | Grant/Award | 6,212 | $70.79 | 6,212(D) | View → |
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