Form 4: Disc Medicine COO Sells Shares
Insider Transaction (Form 4)
Jonathan Yen-Wen Yu, Chief Operating Officer of Disc Medicine, Inc., sold 804 shares of common stock on August 12, 2026 for $82.64 per share.
Summary
- Option exercise/conversion: acquired 804 Common Stock at $13.50 ($10,854) on August 12, 2026; holds 55,128 after (Direct).
- Open-market sale: disposed of 804 Common Stock at $82.64 ($66,445) on August 12, 2026; holds 54,324 after (Direct).
- Option exercise/conversion: disposed of 804 Stock Option (Right to Buy) on August 12, 2026; holds 22,943 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $66,445 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Jonathan Yen-Wen Yu — Officer (Chief Operating Officer)
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-12 | Option exercise/conversion | Common Stock | 804 | $14 | $10.9K | 55,128 |
| 2026-08-12 | Open-market sale | Common Stock | 804 | $83 | $66.4K | 54,324 |
| 2026-08-12 | Option exercise/conversion | Stock Option (Right to Buy) | 804 | — | — | 22,943 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-12 | Option exercise/conversion (804 shares) |
| 2026-08-12 | Open-market sale (804 shares) |
| 2026-08-12 | Option exercise/conversion (804 shares) |
Keywords
insider transaction, Form 4, IRON, Disc Medicine, Inc., bearish, Jonathan Yen-Wen Yu
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