SEC Form 4 · accession 0001193125-26-352823
Disc Medicine, Inc. · IRON
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Jonathan Yen-Wen Yu
Officer — Chief Operating Officer
Period of report
Aug 12, 2026
Accepted (ET)
Aug 14, 2026 · 7:14 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001816736
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Aug 12, 2026 | M | 804 | $13.50 | A | 55,128 | D | |
| Common StockF2 | Aug 12, 2026 | S | 804 | $82.6425 | D | 54,324 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (Right to Buy)F3 | $13.50 | Aug 12, 2026 | M | 804 | D | — | Dec 28, 2032 | Common Stock | 804 | 22,943 | D |
Explanation of responses
- F1These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 17, 2026.
- F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.54 to $82.83, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2) to this Form 4.
- F3The shares underlying this option vest in 48 equal monthly installments following December 29, 2022, subject to the Reporting Person's continued service on each such vesting date.