Form 4 for IRON Disc Medicine, Inc.
Accepted 2026-06-30 17:45:40 ET · period of report 2026-06-26 · accession 0001193125-26-290891 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DT | 2026-06-30 17:45 | 2026-06-26 | IRON | Yu Jonathan Yen-Wen | COO | M - OptEx | $13.50 | +300 | 54.6K | +0.6% | +$4,050 |
| DT | 2026-06-30 17:45 | 2026-06-26 | IRON | Yu Jonathan Yen-Wen | COO | S - Sale+OE | $72.50 | -300 | 54.3K | -0.5% | -$21.8K |
| DT | 2026-06-30 17:45 | 2026-06-26 | IRON | Yu Jonathan Yen-Wen | COO | M - OptEx | $0.00 | -300 | 23.8K | -1% | $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 | 2026-06-26 | M | A | 300 | $13.50 | 54,624 | D | — | — | (F1) These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 17, 2026. |
| 2 | Common | Common Stock | 2026-06-26 | S | D | 300 | $72.50 | 54,324 | D | — | — | (F1) These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 17, 2026. |
| 3 | Derivative | Stock Option (Right to Buy) | 2026-06-26 | M | D | 300 | $0.00 | 23,847 | D | $13.50 · — to 2032-12-28 | 300 Common Stock | (F1) These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 17, 2026. (F2) The 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. |