Form 4 for IRON Disc Medicine, Inc.
Accepted 2026-02-11 00:00:00 ET · period of report 2026-02-10 · accession 0001193125-26-047184 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-02-11 | 2026-02-10 | IRON | Yu Jonathan Yen-Wen | COO | A - Grant | $0.00 | +17.0K | 57.6K | +42% | $0 |
| D | 2026-02-11 | 2026-02-10 | IRON | Yu Jonathan Yen-Wen | COO | A - Grant | $0.00 | +25.5K | 25.5K | New | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-02-10 | A | A | 17,000 | $0.00 | 57,555 | D | — | — | (F1) Represents restricted stock units ("RSUs"), each representing a contingent right to receive one share of the Issuer's Common Stock. The RSUs shall vest annually in four 25% installments commencing on February 15, 2027, subject to the Reporting Person's continued service on each such vesting date. |
| 2 | Derivative | Stock Option (Right to Buy) | 2026-02-10 | A | A | 25,500 | $0.00 | 25,500 | D | $74.75 · — to 2036-02-09 | 25,500 Common Stock | (F2) The shares underlying this option vest in 48 equal monthly installments commencing on March 10, 2026, subject to the Reporting Person's continued service on each such vesting date. |