Disc Medicine, Inc. (IRON) has 22 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 2 sales totalling $4.5M. Most recent filing: Sept. 16, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
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| Sept. 16, 2026 filed Sept. 15, 2026 | Quisel John D Chief Executive Officer | $36,360 | 72,000 | +32% | No | |
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| Sept. 15, 2026 filed Sept. 11, 2026 | Bitterman Kevin Director | $662,661 | 81,408 | — | No | |
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| Sept. 9, 2026 filed Sept. 4, 2026 | Bitterman Kevin Director | −$135,052 | 1,689 | −11% | Yes | |
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| Sept. 3, 2026 filed Sept. 1, 2026 | Bitterman Kevin Director | −$4,367,944 | 54,496 | −80% | Yes | |
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| Aug. 26, 2026 filed Aug. 24, 2026 | Yu Jonathan Yen-Wen Chief Operating Officer | — | 0 | 0% | Yes | |
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Showing the 5 most recent of 22 filings in the last 90 days.
Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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