DISC MEDICINE INC (IRON) — insider trading
Health Care · NASDAQ
DISC MEDICINE INC (IRON) has 37 reported SEC Form 4 insider transactions in our data, including 14 open-market sales among the most recent 37 (latest 2026-07-13).
Recent Form 4 transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-07-13 | Quisel John D | Director, Officer (Chief Executive Officer) | Option exercise / conversion (derivative) | 7,416 | $0.00 | $0 | Form 4 |
| 2026-07-13 | Quisel John D | Director, Officer (Chief Executive Officer) | Option exercise / conversion (derivative) | 25,584 | $0.00 | $0 | Form 4 |
| 2026-07-13 | Quisel John D | Director, Officer (Chief Executive Officer) | Open-market sale | 6,400 | $76.05 | $486.7K | Form 4 |
| 2026-07-13 | Quisel John D | Director, Officer (Chief Executive Officer) | Open-market sale | 16,896 | $74.95 | $1.27M | Form 4 |
| 2026-07-13 | Quisel John D | Director, Officer (Chief Executive Officer) | Open-market sale | 9,704 | $74.27 | $720.7K | Form 4 |
| 2026-07-13 | Quisel John D | Director, Officer (Chief Executive Officer) | Option exercise / conversion | 7,416 | $13.50 | $100.1K | Form 4 |
| 2026-07-13 | Quisel John D | Director, Officer (Chief Executive Officer) | Option exercise / conversion | 25,584 | $9.86 | $252.3K | Form 4 |
| 2026-07-07 | Yu Jonathan Yen-Wen | Officer (Chief Operating Officer) | Option exercise / conversion (derivative) | 100 | $0.00 | $0 | Form 4 |
| 2026-07-07 | Yu Jonathan Yen-Wen | Officer (Chief Operating Officer) | Open-market sale | 100 | $82.50 | $8.3K | Form 4 |
| 2026-07-07 | Yu Jonathan Yen-Wen | Officer (Chief Operating Officer) | Option exercise / conversion | 100 | $13.50 | $1.4K | Form 4 |
| 2026-06-29 | Khara Rahul | Officer (Chief Legal Officer) | Option exercise / conversion (derivative) | 1,649 | $0.00 | $0 | Form 4 |
| 2026-06-29 | Khara Rahul | Officer (Chief Legal Officer) | Open-market sale | 1,649 | $75.00 | $123.7K | Form 4 |
| 2026-06-29 | Khara Rahul | Officer (Chief Legal Officer) | Option exercise / conversion | 1,649 | $14.69 | $24.2K | Form 4 |
| 2026-06-26 | Yu Jonathan Yen-Wen | Officer (Chief Operating Officer) | Option exercise / conversion (derivative) | 300 | $0.00 | $0 | Form 4 |
| 2026-06-26 | Yu Jonathan Yen-Wen | Officer (Chief Operating Officer) | Open-market sale | 300 | $72.50 | $21.8K | Form 4 |
| 2026-06-26 | Yu Jonathan Yen-Wen | Officer (Chief Operating Officer) | Option exercise / conversion | 300 | $13.50 | $4.0K | Form 4 |
| 2026-06-26 | Khara Rahul | Officer (Chief Legal Officer) | Option exercise / conversion (derivative) | 851 | $0.00 | $0 | Form 4 |
| 2026-06-26 | Khara Rahul | Officer (Chief Legal Officer) | Open-market sale | 851 | $75.00 | $63.8K | Form 4 |
| 2026-06-26 | Khara Rahul | Officer (Chief Legal Officer) | Option exercise / conversion | 851 | $14.69 | $12.5K | Form 4 |
| 2026-06-22 | Yu Jonathan Yen-Wen | Officer (Chief Operating Officer) | Option exercise / conversion (derivative) | 9,700 | $0.00 | $0 | Form 4 |
| 2026-06-22 | Yu Jonathan Yen-Wen | Officer (Chief Operating Officer) | Open-market sale | 9,700 | $72.66 | $704.8K | Form 4 |
| 2026-06-22 | Yu Jonathan Yen-Wen | Officer (Chief Operating Officer) | Option exercise / conversion | 9,700 | $13.50 | $130.9K | Form 4 |
| 2026-06-18 | Chin Mark | Director | Grant / award / vesting (derivative) | 6,212 | $0.00 | $0 | Form 4 |
| 2026-06-18 | GEMAYEL GEORGES | Director | Grant / award / vesting (derivative) | 6,212 | $0.00 | $0 | Form 4 |
| 2026-06-18 | Nicholson Donald William | Director | Grant / award / vesting (derivative) | 6,212 | $0.00 | $0 | Form 4 |
| 2026-06-18 | Ratcliffe Liam | Director | Grant / award / vesting (derivative) | 6,212 | $0.00 | $0 | Form 4 |
| 2026-06-18 | White William Richard | Director | Grant / award / vesting (derivative) | 6,212 | $0.00 | $0 | Form 4 |
| 2026-06-18 | Quisel John D | Director, Officer (Chief Executive Officer) | Option exercise / conversion (derivative) | 34,000 | $0.00 | $0 | Form 4 |
| 2026-06-18 | Quisel John D | Director, Officer (Chief Executive Officer) | Open-market sale | 1,551 | $71.61 | $111.1K | Form 4 |
| 2026-06-18 | Quisel John D | Director, Officer (Chief Executive Officer) | Open-market sale | 9,522 | $70.70 | $673.2K | Form 4 |
| 2026-06-18 | Quisel John D | Director, Officer (Chief Executive Officer) | Open-market sale | 22,927 | $69.92 | $1.60M | Form 4 |
| 2026-06-18 | Quisel John D | Director, Officer (Chief Executive Officer) | Option exercise / conversion | 34,000 | $9.86 | $335.2K | Form 4 |
| 2026-06-18 | Khara Rahul | Officer (Chief Legal Officer) | Option exercise / conversion (derivative) | 7,500 | $0.00 | $0 | Form 4 |
| 2026-06-18 | Khara Rahul | Officer (Chief Legal Officer) | Open-market sale | 500 | $71.62 | $35.8K | Form 4 |
| 2026-06-18 | Khara Rahul | Officer (Chief Legal Officer) | Open-market sale | 1,600 | $70.73 | $113.2K | Form 4 |
| 2026-06-18 | Khara Rahul | Officer (Chief Legal Officer) | Open-market sale | 5,400 | $69.94 | $377.7K | Form 4 |
| 2026-06-18 | Khara Rahul | Officer (Chief Legal Officer) | Option exercise / conversion | 7,500 | $14.69 | $110.2K | Form 4 |
Ask the chat about IRON's insider activity →
Transaction types are the SEC Form 4 codes: open-market purchases (P) and sales (S) are the only rows that reflect open-market conviction. Awards/vesting (A), option exercises (M/X/C), shares withheld for taxes (F) and gifts (G) are compensation or mechanical, not buying or selling on the open market. Sales may be planned and non-discretionary (e.g. a Rule 10b5-1 plan); open-market buying is not a recommendation to buy. Informational only — not financial advice.
Source: SEC EDGAR Form 3/4/5. See the full company profile: DISC MEDICINE INC (IRON).
Last updated 2026-07-13 (most recent filing date).
Informational only — NOT financial advice. Insider filings are sourced from SEC EDGAR and shown with their reported dates.