Form 4: Disc Medicine CEO Sells Shares
Insider Transaction (Form 4)
John D Quisel, Chief Executive Officer and a Director of Disc Medicine, Inc., sold 33,000 shares of common stock on July 13, 2026.
Summary
- Option exercise/conversion: acquired 25,584 Common Stock at $9.86 ($252,258) on July 13, 2026; holds 251,648 after (Direct).
- Option exercise/conversion: acquired 7,416 Common Stock at $13.50 ($100,116) on July 13, 2026; holds 259,064 after (Direct).
- Open-market sale: disposed of 9,704 Common Stock at $74.27 ($720,744) on July 13, 2026; holds 249,360 after (Direct).
- Open-market sale: disposed of 16,896 Common Stock at $74.95 ($1,266,303) on July 13, 2026; holds 232,464 after (Direct).
- Open-market sale: disposed of 6,400 Common Stock at $76.05 ($486,733) on July 13, 2026; holds 226,064 after (Direct).
- Option exercise/conversion: disposed of 25,584 Stock Option (Right to Buy) on July 13, 2026; holds 15,791 after (Direct).
- Option exercise/conversion: disposed of 7,416 Stock Option (Right to Buy) on July 13, 2026; holds 124,586 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $2,473,780 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
John D Quisel — Director, Officer (Chief Executive Officer)
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-07-13 | Option exercise/conversion | Common Stock | 25,584 | $10 | $252.3K | 251,648 |
| 2026-07-13 | Option exercise/conversion | Common Stock | 7,416 | $14 | $100.1K | 259,064 |
| 2026-07-13 | Open-market sale | Common Stock | 9,704 | $74 | $720.7K | 249,360 |
| 2026-07-13 | Open-market sale | Common Stock | 16,896 | $75 | $1.3M | 232,464 |
| 2026-07-13 | Open-market sale | Common Stock | 6,400 | $76 | $486.7K | 226,064 |
| 2026-07-13 | Option exercise/conversion | Stock Option (Right to Buy) | 25,584 | — | — | 15,791 |
| 2026-07-13 | Option exercise/conversion | Stock Option (Right to Buy) | 7,416 | — | — | 124,586 |
Key Dates
| Date | Description |
|---|---|
| 2026-07-13 | Option exercise/conversion (25,584 shares) |
| 2026-07-13 | Option exercise/conversion (7,416 shares) |
| 2026-07-13 | Open-market sale (9,704 shares) |
| 2026-07-13 | Open-market sale (16,896 shares) |
| 2026-07-13 | Open-market sale (6,400 shares) |
| 2026-07-13 | Option exercise/conversion (25,584 shares) |
| 2026-07-13 | Option exercise/conversion (7,416 shares) |
Keywords
insider transaction, Form 4, IRON, Disc Medicine, Inc., bearish, John D Quisel
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