Form 4 for ERAS Erasca, Inc.
Accepted 2026-01-30 00:00:00 ET · period of report 2025-12-15 · accession 0001193125-26-030624 · 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 | 2026-01-30 | 2025-12-15 | ERAS | Chacko David M. | CFO, CBO | J - Other | $1.19 | +17.8K | 280.0K | +7% | +$21.2K |
| D | 2026-01-30 | 2026-01-29 | ERAS | Chacko David M. | CFO, CBO | A - Grant | $0.00 | +640.0K | 640.0K | 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 | 2025-12-15 | J | A | 17,793 | $1.19 | 279,980 | D | — | — | (F2) The purchase price was calculated in accordance with the issuer's 2021 Employee Stock Purchase Plan. |
| 2 | Derivative | Stock option (right to buy) | 2026-01-29 | A | A | 640,000 | $0.00 | 640,000 | D | $10.31 · — to 2036-01-29 | 640,000 Common Stock | (F3) 1/48th of the shares subject to the option vest monthly on the 29th day of each month (or the last day of February), starting in February 2026, subject to the Reporting Person's continuous service to the issuer on each such vesting date. |