ERAS insider transaction filings
Erasca, Inc. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-12. Screen ERAS transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 7 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 7.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| Bristol James Arthur — Director | 1 | — | — | 1 |
| Casdin Alexander W. — Director | 1 | — | — | 1 |
| Fuchs Charles S. — President, R&D | 1 | — | — | 1 |
| Hambleton Julie — Director | 1 | — | — | 1 |
| LIU JEAN I — Director | 1 | — | — | 1 |
| Multani Pratik S — Director | 1 | — | — | 1 |
| Start Valerie Denise Harding — Director | 1 | — | — | 1 |
Recent Form 4 filings — Erasca, Inc.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-12 | 4 | Fuchs Charles S. — President, R&D | Grant/award (A): 1,300,000 (derivative) @ $0 | EDGAR |
| 2026-06-29 | 4 | Bristol James Arthur — Director | Grant/award (A): 29,888 (derivative) @ $0 | EDGAR |
| 2026-06-29 | 4 | Start Valerie Denise Harding — Director | Grant/award (A): 29,888 (derivative) @ $0 | EDGAR |
| 2026-06-29 | 4 | Multani Pratik S — Director | Grant/award (A): 29,888 (derivative) @ $0 | EDGAR |
| 2026-06-29 | 4 | Hambleton Julie — Director | Grant/award (A): 29,888 (derivative) @ $0 | EDGAR |
| 2026-06-29 | 4 | Casdin Alexander W. — Director | Grant/award (A): 29,888 (derivative) @ $0 | EDGAR |
| 2026-06-29 | 4 | LIU JEAN I — Director | Grant/award (A): 29,888 (derivative) @ $0 | EDGAR |
| 2026-04-03 | 4 | Garner Ebun — Chief Legal Officer | Option exercise (M): 80,000 @ $1.70 · Sale (S): 80,000 @ $16.40 · Option exercise (M): 80,000 (derivative) @ $0 | EDGAR |
| 2026-03-06 | 4 | Morris Shannon — Chief Medical Officer | Option exercise (M): 20,000 @ $1.70 · Sale (S): 20,000 @ $15.04 · Option exercise (M): 20,000 (derivative) @ $0 | EDGAR |
| 2026-01-30 | 4 | Chacko David M. — CFO and CBO | Other (J): 17,793 @ $1.19 · Grant/award (A): 640,000 (derivative) @ $0 | EDGAR |
| 2026-01-30 | 4 | Morris Shannon — Chief Medical Officer | Grant/award (A): 625,000 (derivative) @ $0 | EDGAR |
| 2026-01-30 | 4 | Varney Michael David — Director | Grant/award (A): 96,000 (derivative) @ $0 | EDGAR |
| 2026-01-30 | 4 | Garner Ebun — General Counsel & Corp. Sec. | Grant/award (A): 560,000 (derivative) @ $0 | EDGAR |
| 2026-01-30 | 4 | Lim Jonathan E — Chairman & CEO, Director, 10% owner | Grant/award (A): 2,000,000 (derivative) @ $0 | EDGAR |
| 2026-01-08 | 4 | Garner Ebun — General Counsel & Corp. Sec. | Grant/award (A): 3,902 @ $1.19 · Option exercise (M): 120,000 @ $1.70 · Sale (S): 120,000 @ $5.59 · Option exercise (M): 120,000 (derivative) @ $0 | EDGAR |
| 2026-01-05 | 4 | Bristol James Arthur — Director | Grant/award (A): 37,762 (derivative) @ $0 | EDGAR |
| 2026-01-05 | 4 | Start Valerie Denise Harding — Director | Grant/award (A): 24,306 (derivative) @ $0 | EDGAR |
| 2026-01-05 | 4 | Multani Pratik S — Director | Grant/award (A): 19,532 (derivative) @ $0 | EDGAR |
| 2026-01-05 | 4 | Casdin Alexander W. — Director | Grant/award (A): 23,872 (derivative) @ $0 | EDGAR |
| 2026-01-05 | 4 | LIU JEAN I — Director | Grant/award (A): 20,617 (derivative) @ $0 | EDGAR |
| 2025-06-26 | 4 | Bristol James Arthur — Director | Grant/award (A): 120,000 (derivative) @ $0 | EDGAR |
| 2025-06-26 | 4 | Start Valerie Denise Harding — Director | Grant/award (A): 120,000 (derivative) @ $0 | EDGAR |
| 2025-06-26 | 4 | Varney Michael David — Director | Grant/award (A): 120,000 (derivative) @ $0 | EDGAR |
| 2025-06-26 | 4 | Multani Pratik S — Director | Grant/award (A): 120,000 (derivative) @ $0 | EDGAR |
| 2025-06-26 | 4 | Hambleton Julie — Director | Grant/award (A): 120,000 (derivative) @ $0 | EDGAR |
| 2025-06-26 | 4 | Casdin Alexander W. — Director | Grant/award (A): 120,000 (derivative) @ $0 | EDGAR |
| 2025-06-26 | 4 | LIU JEAN I — Director | Grant/award (A): 120,000 (derivative) @ $0 | EDGAR |
| 2025-06-03 | 4 | Multani Pratik S — Director | Gift (G): 6,200 @ $0 · Gift (G): 6,200 @ $0 | EDGAR |
| 2025-02-18 | 4 | Garner Ebun — General Counsel & Corp. Sec. | Grant/award (A): 50,000 (derivative) @ $0 | EDGAR |
| 2025-02-05 | 4 | Chacko David M. — CFO and CBO | Other (J): 3,137 @ $1.56 · Other (J): 12,324 @ $1.56 · Grant/award (A): 800,000 (derivative) @ $0 | EDGAR |
| 2025-02-05 | 4 | Morris Shannon — Chief Medical Officer | Grant/award (A): 780,000 (derivative) @ $0 | EDGAR |
| 2025-02-05 | 4 | Garner Ebun — General Counsel & Corp. Sec. | Other (J): 5,715 @ $1.56 · Other (J): 5,731 @ $1.56 · Grant/award (A): 700,000 (derivative) @ $0 | EDGAR |
| 2025-02-05 | 4 | Lim Jonathan E — Chairman & CEO, Director, 10% owner | Grant/award (A): 2,500,000 (derivative) @ $0 | EDGAR |
| 2025-01-02 | 4 | Bristol James Arthur — Director | Grant/award (A): 45,678 (derivative) @ $0 | EDGAR |
| 2025-01-02 | 4 | Start Valerie Denise Harding — Director | Grant/award (A): 29,402 (derivative) @ $0 | EDGAR |
| 2025-01-02 | 4 | Casdin Alexander W. — Director | Grant/award (A): 28,877 (derivative) @ $0 | EDGAR |
| 2025-01-02 | 4 | LIU JEAN I — Director | Grant/award (A): 24,939 (derivative) @ $0 | EDGAR |
| 2024-06-21 | 4 | Morris Shannon — Chief Medical Officer | Grant/award (A): 137,142 (derivative) @ $0 | EDGAR |
| 2024-06-21 | 4 | Chacko David M. — CFO and CBO | Grant/award (A): 278,812 (derivative) @ $0 | EDGAR |
| 2024-06-21 | 4 | Bristol James Arthur — Director | Grant/award (A): 60,000 (derivative) @ $0 | EDGAR |
| 2024-06-21 | 4 | Start Valerie Denise Harding — Director | Grant/award (A): 60,000 (derivative) @ $0 | EDGAR |
| 2024-06-21 | 4 | Varney Michael David — Director | Grant/award (A): 60,000 (derivative) @ $0 | EDGAR |
| 2024-06-21 | 4 | Multani Pratik S — Director | Grant/award (A): 60,000 (derivative) @ $0 | EDGAR |
| 2024-06-21 | 4 | Hambleton Julie — Director | Grant/award (A): 60,000 (derivative) @ $0 | EDGAR |
| 2024-06-21 | 4 | Casdin Alexander W. — Director | Grant/award (A): 60,000 (derivative) @ $0 | EDGAR |
| 2024-06-21 | 4 | Garner Ebun — General Counsel & Corp. Sec. | Grant/award (A): 160,082 (derivative) @ $0 | EDGAR |
| 2024-06-21 | 4 | Lim Jonathan E — Chairman & CEO, Director, 10% owner | Grant/award (A): 632,759 (derivative) @ $0 | EDGAR |
| 2024-06-21 | 4 | LIU JEAN I — Director | Grant/award (A): 60,000 (derivative) @ $0 | EDGAR |
| 2024-05-22 | 4 | Casdin Alexander W. — Director | Purchase (P): 80,000 @ $2.27 | EDGAR |
| 2024-02-07 | 4 | Lim Jonathan E — Chairman & CEO, Director, 10% owner | Grant/award (A): 1,500,000 (derivative) @ $0 | EDGAR |
Recent 8-K events — Erasca, Inc.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-24 | 8-K | 8.01 — Other Events | EDGAR |
| 2026-08-11 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-08-10 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-07-14 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-13 | 8-K | 8.01 — Other Events | EDGAR |
| 2026-07-01 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-05-11 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-04-27 | 8-K | 7.01 — Regulation FD Disclosure 8.01 — Other Events | EDGAR |
| 2026-04-27 | 8-K | 8.01 — Other Events | EDGAR |
| 2026-04-21 | 8-K | 8.01 — Other Events | EDGAR |
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