Insider · CIK 0001586788
John D Quisel
Files at: GOSS, IRON, XLRN. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 15, 2026 MForm 4 → | Sep 16, 6:44 pm EDT | Disc Medicine, Inc.IRON | 36,000 | $1.01 | $36,360 | 262,064 | — | |
| Aug 17, 2026 SForm 4 → | Aug 18, 6:56 pm EDT | Disc Medicine, Inc.IRON | 33,000 | $79.15 | $2,611,982 | 226,064 | −12.7% | 10b5-1 |
| Aug 17, 2026 MForm 4 → | Aug 18, 6:56 pm EDT | Disc Medicine, Inc.IRON | 33,000 | $13.50 | $445,500 | 259,064 | — | 10b5-1 |
| Jul 13, 2026 SForm 4 → | Jul 14, 6:32 pm EDT | Disc Medicine, Inc.IRON | 33,000 | $74.96 | $2,473,780 | 226,064 | −12.7% | 10b5-1 |
| Jul 13, 2026 MForm 4 → | Jul 14, 6:32 pm EDT | Disc Medicine, Inc.IRON | 33,000 | $10.68 | $352,374 | 259,064 | — | 10b5-1 |
| Jun 18, 2026 SForm 4 → | Jun 23, 5:16 pm EDT | Disc Medicine, Inc.IRON | 34,000 | $70.21 | $2,387,296 | 226,064 | −13.1% | 10b5-1 |
| Jun 18, 2026 MForm 4 → | Jun 23, 5:16 pm EDT | Disc Medicine, Inc.IRON | 34,000 | $9.86 | $335,240 | 260,064 | — | 10b5-1 |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 23, 2026 AForm 4 → | Sep 25, 4:51 pm EDT | Gossamer Bio, Inc.GOSS | 10,000 | — | — | 10,000 | — | |
| Sep 15, 2026 MForm 4 → | Sep 16, 6:44 pm EDT | Disc Medicine, Inc.IRON | 36,000 | — | — | 150,120 | — | |
| Aug 17, 2026 MForm 4 → | Aug 18, 6:56 pm EDT | Disc Medicine, Inc.IRON | 33,000 | — | — | 91,586 | — | 10b5-1 |
| Jul 13, 2026 MForm 4 → | Jul 14, 6:32 pm EDT | Disc Medicine, Inc.IRON | 33,000 | — | — | 124,586 | — | 10b5-1 |
| Jun 18, 2026 MForm 4 → | Jun 23, 5:16 pm EDT | Disc Medicine, Inc.IRON | 34,000 | — | — | 41,375 | — | 10b5-1 |
| Jun 4, 2026 AForm 4 → | Jun 5, 5:45 pm EDT | Gossamer Bio, Inc.GOSS | 115,000 | — | — | 115,000 | — |