Company · CIK 0001816736 · SIC 2834 — Pharmaceutical Preparations · Nasdaq
Disc Medicine, Inc. · IRON
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 15, 2026 MForm 4 → | Sep 16, 6:44 pm EDT | John D QuiselChief Executive Officer, Director | 36,000 | $1.01 | $36,360 | 262,064 | — | |
| Sep 11, 2026 SForm 4 → | Sep 15, 4:30 pm EDT | Kevin BittermanDirector | 27,136 | $70.11 | $1,902,505 | 0 | −100% | |
| Sep 11, 2026 MForm 4 → | Sep 15, 4:30 pm EDT | Kevin BittermanDirector | 27,136 | $45.07 | $1,223,144 | 27,136 | — | |
| Sep 4, 2026 SForm 4 → | Sep 9, 4:23 pm EDT | Kevin BittermanDirector | 1,689 | $79.96 | $135,052 | 13,427 | −11.2% | 10b5-1 |
| Sep 1, 2026 SForm 4 → | Sep 3, 5:43 pm EDT | Kevin BittermanDirector | 54,496 | $80.15 | $4,367,944 | 13,445 | −80.2% | 10b5-1 |
| Aug 24, 2026 SForm 4 → | Aug 26, 8:10 pm EDT | Jonathan Yen-Wen YuChief Operating Officer | 9,096 | $83.10 | $755,852 | 54,324 | −14.3% | 10b5-1 |
| Aug 24, 2026 MForm 4 → | Aug 26, 8:10 pm EDT | Jonathan Yen-Wen YuChief Operating Officer | 9,096 | $13.50 | $122,796 | 63,120 | — | 10b5-1 |
| Aug 17, 2026 SForm 4 → | Aug 18, 6:56 pm EDT | John D QuiselChief Executive Officer, Director | 33,000 | $79.15 | $2,611,982 | 226,064 | −12.7% | 10b5-1 |
| Aug 17, 2026 MForm 4 → | Aug 18, 6:56 pm EDT | John D QuiselChief Executive Officer, Director | 33,000 | $13.50 | $445,500 | 259,064 | — | 10b5-1 |
| Aug 12, 2026 SForm 4 → | Aug 14, 7:14 pm EDT | Jonathan Yen-Wen YuChief Operating Officer | 804 | $82.64 | $66,445 | 54,324 | −1.46% | 10b5-1 |
| Aug 12, 2026 MForm 4 → | Aug 14, 7:14 pm EDT | Jonathan Yen-Wen YuChief Operating Officer | 804 | $13.50 | $10,854 | 55,128 | — | 10b5-1 |
| Aug 6, 2026 SForm 4 → | Aug 7, 5:32 pm EDT | Rahul KharaChief Legal Officer | 5,000 | $80.00 | $400,000 | 52,324 | −8.72% | 10b5-1 |
| Aug 6, 2026 MForm 4 → | Aug 7, 5:32 pm EDT | Rahul KharaChief Legal Officer | 5,000 | $14.69 | $73,450 | 57,324 | — | 10b5-1 |
| Jul 13, 2026 SForm 4 → | Jul 14, 6:32 pm EDT | John D QuiselChief Executive Officer, Director | 33,000 | $74.96 | $2,473,780 | 226,064 | −12.7% | 10b5-1 |
| Jul 13, 2026 MForm 4 → | Jul 14, 6:32 pm EDT | John D QuiselChief Executive Officer, Director | 33,000 | $10.68 | $352,374 | 259,064 | — | 10b5-1 |
| Jul 7, 2026 SForm 4 → | Jul 9, 7:35 pm EDT | Jonathan Yen-Wen YuChief Operating Officer | 100 | $82.50 | $8,250 | 54,324 | −0.18% | 10b5-1 |
| Jul 7, 2026 MForm 4 → | Jul 9, 7:35 pm EDT | Jonathan Yen-Wen YuChief Operating Officer | 100 | $13.50 | $1,350 | 54,424 | — | 10b5-1 |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 15, 2026 MForm 4 → | Sep 16, 6:44 pm EDT | John D QuiselChief Executive Officer, Director | 36,000 | — | — | 150,120 | — | |
| Sep 11, 2026 MForm 4 → | Sep 15, 4:30 pm EDT | Kevin BittermanDirector | 27,136 | — | — | 0 | — | |
| Aug 24, 2026 MForm 4 → | Aug 26, 8:10 pm EDT | Jonathan Yen-Wen YuChief Operating Officer | 9,096 | — | — | 13,847 | — | 10b5-1 |
| Aug 17, 2026 MForm 4 → | Aug 18, 6:56 pm EDT | John D QuiselChief Executive Officer, Director | 33,000 | — | — | 91,586 | — | 10b5-1 |
| Aug 12, 2026 MForm 4 → | Aug 14, 7:14 pm EDT | Jonathan Yen-Wen YuChief Operating Officer | 804 | — | — | 22,943 | — | 10b5-1 |
| Aug 6, 2026 MForm 4 → | Aug 7, 5:32 pm EDT | Rahul KharaChief Legal Officer | 5,000 | — | — | 49,804 | — | 10b5-1 |
| Jul 13, 2026 MForm 4 → | Jul 14, 6:32 pm EDT | John D QuiselChief Executive Officer, Director | 33,000 | — | — | 124,586 | — | 10b5-1 |
| Jul 7, 2026 MForm 4 → | Jul 9, 7:35 pm EDT | Jonathan Yen-Wen YuChief Operating Officer | 100 | — | — | 23,747 | — | 10b5-1 |