Jonathan E. Lim
Chairman & CEO at Erasca Inc.
Sits on 2 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 6 years
- Director since
- 2023
6 years of board service in total across 2 boards, counting each seat separately. Longest: Erasca Inc., 3 years.
Erasca Inc.
Director · Chairman & CEO
Boundless Bio Inc.
Director
Chief executive roles
Erasca Inc.
· Chairman & CEO
Dates unknown
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Apr 2, 2024 | Boundless Bio Inc. | Derivative conversion | +525,274 | — | — |
| Dec 6, 2023 | Erasca Inc. | Open-market purchase | +278,150 | $1.72 | $478,418 |
| Dec 5, 2023 | Erasca Inc. | Open-market purchase | +721,850 | $1.69 | $1,219,927 |
| Oct 5, 2023 | Erasca Inc. | Open-market purchase | +1,000,000 | $2.03 | $2,030,000 |
| Jun 8, 2023 | Erasca Inc. | Open-market purchase | +100,000 | $2.75 | $275,000 |
| Mar 28, 2023 | Erasca Inc. | Open-market purchase | +100,000 | $2.84 | $284,000 |
| Jan 10, 2023 | Erasca Inc. | Open-market purchase | +60,000 | $3.86 | $231,600 |
| Nov 30, 2022 | Erasca Inc. | Gift | −2,000,006 | — | — |
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