Disc Medicine, Inc.
IRON
34 insider filings · Latest: Aug 12, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Dec 15, 2025 | Dec 15 11:50 PM | Atlas Venture Fund X, L.P. | Proposed Sale | 36,877 | $92.00 | $3.4M | — | View → |
| Dec 15, 2025 | Dec 15 11:44 PM | Atlas Venture Associates XII, L.P. | Proposed Sale | 6,839 | $92.00 | $629.2K | — | View → |
| Dec 15, 2025 | Dec 15 10:45 PM | KEVIN J BITTERMAN | Proposed Sale | 7,000 | $91.87 | $643.1K | — | View → |
| Dec 15, 2025 | Dec 15 10:40 PM | Atlas Venture Opportunity Fund II, LP | Proposed Sale | 8,009 | $91.85 | $735.6K | — | View → |
| Dec 15, 2025 | Dec 15 10:37 PM | Atlas Venture Fund XII, LP | Proposed Sale | 6,160 | $91.85 | $565.8K | — | View → |
| Dec 15, 2025 | Dec 15 10:35 PM | Atlas Venture Opportunity Fund I, LP | Proposed Sale | 15,401 | $91.85 | $1.4M | — | View → |
| Dec 15, 2025 | Dec 15 10:34 PM | Atlas Venture Fund X, LP | Proposed Sale | 32,035 | $91.85 | $2.9M | — | View → |
| Dec 15, 2025 | Dec 15 9:14 PM | WILLIAM SAVAGE | Proposed Sale | 13,093 | $91.85 | $1.2M | — | View → |
| Dec 12, 2025 | Dec 13 2:50 AM | AI DMI LLC | Proposed Sale | 29,388 | $91.85 | $2.7M | — | View → |
| Dec 12, 2025 | Dec 12 10:15 PM | Atlas Venture Fund XII, LP | Proposed Sale | 9,481 | $93.60 | $887.4K | — | View → |
| Dec 12, 2025 | Dec 12 10:13 PM | Atlas Venture Opportunity Fund II, LP | Proposed Sale | 12,325 | $93.60 | $1.2M | — | View → |
| Dec 12, 2025 | Dec 12 10:11 PM | Atlas Venture Opportunity Fund I, LP | Proposed Sale | 23,701 | $93.60 | $2.2M | — | View → |
| Dec 12, 2025 | Dec 12 10:10 PM | Atlas Venture Fund X, LP | Proposed Sale | 49,299 | $93.60 | $4.6M | — | View → |
| Dec 11, 2025 | Dec 11 9:25 PM | JOHN QUISEL | Proposed Sale | 40,000 | $92.85 | $3.7M | — | View → |
| Nov 11, 2025 | Nov 12 11:56 AM | JONATHAN YU | Proposed Sale | 30,000 | $83.58 | $2.5M | — | View → |
| Oct 20, 2025 | Oct 21 12:54 AM | OrbiMed Private Investments VI, LP | Proposed Sale | 482,308 | $89.94 | $43.4M | — | View → |
| Oct 20, 2025 | Oct 21 12:52 AM | OrbiMed Genesis Master Fund, L.P. | Proposed Sale | 186,541 | $89.94 | $16.8M | — | View → |
| Oct 20, 2025 | Oct 21 12:47 AM | OrbiMed Private Investments VIII, LP | Proposed Sale | 746,171 | $89.94 | $67.1M | — | View → |
| Oct 17, 2025 | Oct 17 9:26 PM | Atlas Venture Opportunity Fund II, L.P. | Proposed Sale | 35,000 | $89.94 | $3.1M | — | View → |
| Oct 17, 2025 | Oct 17 9:23 PM | Atlas Venture Opportunity Fund I, L.P. | Proposed Sale | 35,000 | $89.94 | $3.1M | — | View → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| 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 → |
| Jun 18, 2026 | Jun 23 8:56 PM | Kevin BittermanDirector | Grant/Award | 6,212 | $70.79 | 6,212(D) | View → |
| Jun 18, 2026 | Jun 23 8:54 PM | Nadim AhmedDirector | Grant/Award | 5,176 | $70.79 | 5,176(D) | View → |
| Jun 16, 2026 | Jun 18 8:43 PM | Jonathan Yen-Wen YuChief Operating Officer | Option Exercise | 18,612 | $9.86 | 31,951(D) | View → |
| Feb 10, 2026 | Feb 12 12:50 AM | Rahul KharaChief Legal Officer | Grant/Award | 25,500 | $74.75 | 25,500(D) | View → |
| Feb 10, 2026 | Feb 12 12:46 AM | Pamela StephensonChief Commercial Officer | Grant/Award | 25,500 | $74.75 | 25,500(D) | View → |
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