16 insiders reported 288 Form 4 transactions for Disc Medicine, Inc. (IRON) over the past 18 months (most recent 2026-08-18). Recent activity: Quisel John D (Chief Executive Officer) Sell 8,400 shares, Quisel John D (Chief Executive Officer) Sell 12,712 shares, Quisel John D (Chief Executive Officer) Buy 33,000 shares, Quisel John D (Chief Executive Officer) Sell 11,888 shares, Yu Jonathan Yen-Wen (Chief Operating Officer) Buy 804 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-18 | Quisel John D | Chief Executive Officer | Sell | 8,400 | $656,091 |
| 2026-08-18 | Quisel John D | Chief Executive Officer | Sell | 12,712 | $1.0M |
| 2026-08-18 | Quisel John D | Chief Executive Officer | Buy | 33,000 | $445,500 |
| 2026-08-18 | Quisel John D | Chief Executive Officer | Sell | 11,888 | $949,162 |
| 2026-08-14 | Yu Jonathan Yen-Wen | Chief Operating Officer | Buy | 804 | $10,854 |
| 2026-08-14 | Yu Jonathan Yen-Wen | Chief Operating Officer | Sell | 804 | $66,445 |
| 2026-08-07 | Khara Rahul | Chief Legal Officer | Sell | 5,000 | $400,000 |
| 2026-08-07 | Khara Rahul | Chief Legal Officer | Buy | 5,000 | $73,450 |
| 2026-07-14 | Quisel John D | Chief Executive Officer | Sell | 6,400 | $486,733 |
| 2026-07-14 | Quisel John D | Chief Executive Officer | Buy | 25,584 | $252,258 |
| 2026-07-14 | Quisel John D | Chief Executive Officer | Buy | 7,416 | $100,116 |
| 2026-07-14 | Quisel John D | Chief Executive Officer | Sell | 9,704 | $720,744 |
| 2026-07-14 | Quisel John D | Chief Executive Officer | Sell | 16,896 | $1.3M |
| 2026-07-09 | Yu Jonathan Yen-Wen | Chief Operating Officer | Buy | 100 | $1,350 |
| 2026-07-09 | Yu Jonathan Yen-Wen | Chief Operating Officer | Sell | 100 | $8,250 |
| 2026-06-30 | Yu Jonathan Yen-Wen | Chief Operating Officer | Buy | 300 | $4,050 |
| 2026-06-30 | Khara Rahul | Chief Legal Officer | Buy | 851 | $12,501 |
| 2026-06-30 | Yu Jonathan Yen-Wen | Chief Operating Officer | Sell | 300 | $21,750 |
| 2026-06-30 | Khara Rahul | Chief Legal Officer | Sell | 851 | $63,825 |
| 2026-06-30 | Khara Rahul | Chief Legal Officer | Sell | 1,649 | $123,675 |
| 2026-06-30 | Khara Rahul | Chief Legal Officer | Buy | 1,649 | $24,224 |
| 2026-06-24 | Yu Jonathan Yen-Wen | Chief Operating Officer | Buy | 9,700 | $130,950 |
| 2026-06-24 | Yu Jonathan Yen-Wen | Chief Operating Officer | Sell | 9,700 | $704,795 |
| 2026-06-23 | Khara Rahul | Chief Legal Officer | Buy | 7,500 | $110,175 |
| 2026-06-23 | Quisel John D | Chief Executive Officer | Buy | 34,000 | $335,240 |
Source: SEC Form 4 filings · as of 2026-08-18