Erasca Inc (ERAS)
Insider transactions
A complete record of Form 4 filings tracking every share acquisition and disposal by executives, directors, and senior officers. Filterable by date range and transaction type, the table exposes the direct market actions of those with the deepest knowledge of a company's operations — providing a factual, data-driven signal of internal conviction that complements traditional fundamental and technical analysis.
Transaction date | Executive | Executive Title | Security Type | Acquisition / Disposal | Shares | Share price |
|---|---|---|---|---|---|---|
| Aug 10, 2026 | FUCHS, CHARLES S. | President, R&D | Stock option (right to buy) | Acquisition | 1,300,000 | 0 |
| Jun 26, 2026 | CASDIN, ALEXANDER W. | Director | Stock option (right to buy) | Acquisition | 29,888 | 0 |
| Jun 26, 2026 | START, VALERIE DENISE HARDING | Director | Stock option (right to buy) | Acquisition | 29,888 | 0 |
| Jun 26, 2026 | BRISTOL, JAMES ARTHUR | Director | Stock option (right to buy) | Acquisition | 29,888 | 0 |
| Jun 26, 2026 | HAMBLETON, JULIE | Director | Stock option (right to buy) | Acquisition | 29,888 | 0 |
| Jun 26, 2026 | LIU, JEAN I | Director | Stock option (right to buy) | Acquisition | 29,888 | 0 |
| Jun 26, 2026 | MULTANI, PRATIK S | Director | Stock option (right to buy) | Acquisition | 29,888 | 0 |
| Apr 1, 2026 | GARNER, EBUN | Chief Legal Officer | Common Stock | Acquisition | 80,000 | 1.7 |
| Apr 1, 2026 | GARNER, EBUN | Chief Legal Officer | Common Stock | Disposal | 80,000 | 16.4 |
| Apr 1, 2026 | GARNER, EBUN | Chief Legal Officer | Stock Option (right to buy) | Disposal | 80,000 | 0 |
| Mar 4, 2026 | MORRIS, SHANNON | Chief Medical Officer | Common Stock | Acquisition | 20,000 | 1.7 |
| Mar 4, 2026 | MORRIS, SHANNON | Chief Medical Officer | Common Stock | Disposal | 20,000 | 15.038 |
| Jan 29, 2026 | MORRIS, SHANNON | Chief Medical Officer | Stock option (right to buy) | Acquisition | 625,000 | 0 |
| Jan 29, 2026 | VARNEY, MICHAEL DAVID | Director | Stock option (right to buy) | Acquisition | 96,000 | 0 |
| Jan 29, 2026 | GARNER, EBUN | General Counsel & Corp. Sec. | Stock option (right to buy) | Acquisition | 560,000 | 0 |
| Jan 29, 2026 | CHACKO, DAVID M. | CFO and CBO | Stock option (right to buy) | Acquisition | 640,000 | 0 |
| Jan 29, 2026 | LIM, JONATHAN E | Director, Chairman & CEO, 10% Owner | Stock option (right to buy) | Acquisition | 2,000,000 | 0 |
| Jan 7, 2026 | GARNER, EBUN | General Counsel & Corp. Sec. | Common Stock | Acquisition | 120,000 | 1.7 |
| Jan 7, 2026 | GARNER, EBUN | General Counsel & Corp. Sec. | Common Stock | Disposal | 120,000 | 5.59 |
| Jan 1, 2026 | BRISTOL, JAMES ARTHUR | Director | Stock Option (right to buy) | Acquisition | 37,762 | 0 |
| Jan 1, 2026 | CASDIN, ALEXANDER W. | Director | Stock Option (right to buy) | Acquisition | 23,872 | 0 |
| Jan 1, 2026 | START, VALERIE DENISE HARDING | Director | Stock Option (right to buy) | Acquisition | 24,306 | 0 |
| Jan 1, 2026 | MULTANI, PRATIK S | Director | Stock Option (right to buy) | Acquisition | 19,532 | 0 |
| Jan 1, 2026 | LIU, JEAN I | Director | Stock Option (right to buy) | Acquisition | 20,617 | 0 |
| Dec 15, 2025 | GARNER, EBUN | General Counsel & Corp. Sec. | Common Stock | Acquisition | 3,902 | 1.194 |
| Dec 15, 2025 | CHACKO, DAVID M. | CFO and CBO | Common Stock | Acquisition | 17,793 | 1.194 |