SEC Form 4 · accession 0001193125-26-303535
Disc Medicine, Inc. · IRON
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
John D Quisel
Officer — Chief Executive Officer · Director
Period of report
Jul 13, 2026
Accepted (ET)
Jul 14, 2026 · 6:32 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 | Jul 13, 2026 | M | 25,584 | $9.86 | A | 251,648 | D | |
| Common Stock | Jul 13, 2026 | M | 7,416 | $13.50 | A | 259,064 | D | |
| Common StockF2 | Jul 13, 2026 | S | 9,704 | $74.2729 | D | 249,360 | D | |
| Common StockF3 | Jul 13, 2026 | S | 16,896 | $74.9469 | D | 232,464 | D | |
| Common StockF4 | Jul 13, 2026 | S | 6,400 | $76.052 | D | 226,064 | 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)F5 | $9.86 | Jul 13, 2026 | M | 25,584 | D | — | Sep 13, 2031 | Common Stock | 25,584 | 15,791 | D |
| Stock Option (Right to Buy)F6 | $13.50 | Jul 13, 2026 | M | 7,416 | D | — | Dec 28, 2032 | Common Stock | 7,416 | 124,586 | D |
Explanation of responses
- F1These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 12, 2026.
- F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $73.62 to $74.60, 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 ranges set forth in footnotes (2), (3) and (4) to this Form 4.
- F3The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $74.62 to $75.50, inclusive.
- F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $75.83 to $76.29, inclusive.
- F5The shares underlying this option are fully vested and exercisable as of the date hereof.
- F6The 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.