Erasca, Inc. (ERAS)

Latest Insider Confidence Score

2026Q1

50.0
Bullish

Company insider confidence (by quarter)

2021Q3 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Chen Bihua Director 11,019,912 Jun 26, 2023
Cormorant Asset Management, LP Director 11,019,912 Jun 26, 2023
Cormorant Global Healthcare Master Fund, LP Director 11,019,912 Jun 26, 2023
Cormorant Private Healthcare Fund II, LP Director 11,019,912 Jun 26, 2023
Burow Kristina — 944,444 Jul 20, 2021

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Mar 4, 2026 Mar 6, 2026 Morris Shannon Chief Medical Officer Sell 10.0 -20,000 -100.00% ✓ $300.8K
Jan 29, 2026 Jan 30, 2026 Lim Jonathan E CEO Neutral 52.5 - 0.00% ✗ -
Dec 15, 2025 Jan 30, 2026 Chacko David M. CFO Buy 86.3 +17,793 6.79% ✗ $21.3K
Jan 29, 2026 Jan 30, 2026 Morris Shannon Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Jan 29, 2026 Jan 30, 2026 Varney Michael David Director Neutral 52.5 - 0.00% ✗ -
Jan 29, 2026 Jan 30, 2026 Garner Ebun General Counsel & Corp. Sec. Neutral 52.5 - 0.00% ✗ -
Dec 15, 2025 Jan 8, 2026 Garner Ebun General Counsel & Corp. Sec. Sell 10.0 -116,098 -69.83% ✓ $670.8K
Jan 1, 2026 Jan 5, 2026 Bristol James Arthur Director Neutral 52.5 - 0.00% ✗ -
Jan 1, 2026 Jan 5, 2026 LIU JEAN I Director Neutral 52.5 - 0.00% ✗ -
Jan 1, 2026 Jan 5, 2026 Multani Pratik S Director Neutral 52.5 - 0.00% ✗ -
Jan 1, 2026 Jan 5, 2026 Start Valerie Denise Harding Director Neutral 52.5 - 0.00% ✗ -
Jan 1, 2026 Jan 5, 2026 Casdin Alexander W. Director Neutral 52.5 - 0.00% ✗ -
Jun 24, 2025 Jun 26, 2025 Varney Michael David Director Neutral 52.5 - 0.00% ✗ -
Jun 24, 2025 Jun 26, 2025 LIU JEAN I Director Neutral 52.5 - 0.00% ✗ -
Jun 24, 2025 Jun 26, 2025 Hambleton Julie Director Neutral 52.5 - 0.00% ✗ -
Jun 24, 2025 Jun 26, 2025 Start Valerie Denise Harding Director Neutral 52.5 - 0.00% ✗ -
Jun 24, 2025 Jun 26, 2025 Multani Pratik S Director Neutral 52.5 - 0.00% ✗ -
Jun 24, 2025 Jun 26, 2025 Bristol James Arthur Director Neutral 52.5 - 0.00% ✗ -
Jun 24, 2025 Jun 26, 2025 Casdin Alexander W. Director Neutral 52.5 - 0.00% ✗ -
May 23, 2025 Jun 3, 2025 Multani Pratik S Director Neutral 52.5 - 0.00% ✗ -
Feb 13, 2025 Feb 18, 2025 Garner Ebun General Counsel & Corp. Sec. Neutral 52.5 - 0.00% ✗ -
Jun 14, 2024 Feb 5, 2025 Chacko David M. CFO Buy 83.8 +15,461 3.04% ✗ $24.2K
Feb 3, 2025 Feb 5, 2025 Morris Shannon Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Jun 14, 2024 Feb 5, 2025 Garner Ebun General Counsel & Corp. Sec. Buy 91.3 +11,446 37.04% ✗ $17.9K
Feb 3, 2025 Feb 5, 2025 Lim Jonathan E CEO Neutral 52.5 - 0.00% ✗ -
Jan 1, 2025 Jan 2, 2025 Casdin Alexander W. Director Neutral 52.5 - 0.00% ✗ -
Jan 1, 2025 Jan 2, 2025 LIU JEAN I Director Neutral 52.5 - 0.00% ✗ -
Jan 1, 2025 Jan 2, 2025 Start Valerie Denise Harding Director Neutral 52.5 - 0.00% ✗ -
Jan 1, 2025 Jan 2, 2025 Bristol James Arthur Director Neutral 52.5 - 0.00% ✗ -
Jun 20, 2024 Jun 21, 2024 Varney Michael David Director Neutral 52.5 - 0.00% ✗ -
Jun 20, 2024 Jun 21, 2024 Start Valerie Denise Harding Director Neutral 52.5 - 0.00% ✗ -
Jun 20, 2024 Jun 21, 2024 LIU JEAN I Director Neutral 52.5 - 0.00% ✗ -
Jun 20, 2024 Jun 21, 2024 Garner Ebun General Counsel & Corp. Sec. Neutral 52.5 - 0.00% ✗ -
Jun 20, 2024 Jun 21, 2024 Morris Shannon Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Jun 20, 2024 Jun 21, 2024 Lim Jonathan E CEO Neutral 52.5 - 0.00% ✗ -
Jun 20, 2024 Jun 21, 2024 Chacko David M. CFO Neutral 52.5 - 0.00% ✗ -
Jun 20, 2024 Jun 21, 2024 Hambleton Julie Director Neutral 52.5 - 0.00% ✗ -
Jun 20, 2024 Jun 21, 2024 Casdin Alexander W. Director Neutral 52.5 - 0.00% ✗ -
Jun 20, 2024 Jun 21, 2024 Bristol James Arthur Director Neutral 52.5 - 0.00% ✗ -
Jun 20, 2024 Jun 21, 2024 Multani Pratik S Director Neutral 52.5 - 0.00% ✗ -
May 21, 2024 May 22, 2024 Casdin Alexander W. Director Buy 95.0 +80,000 13.61% ✗ $181.9K
Feb 5, 2024 Feb 7, 2024 Lim Jonathan E CEO Neutral 52.5 - 0.00% ✗ -
Feb 5, 2024 Feb 7, 2024 Chacko David M. CFO Neutral 52.5 - 0.00% ✗ -
Feb 5, 2024 Feb 7, 2024 Garner Ebun General Counsel & Corp. Sec. Neutral 52.5 - 0.00% ✗ -
Feb 5, 2024 Feb 7, 2024 Morris Shannon Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Jan 1, 2024 Jan 3, 2024 Bristol James Arthur Director Neutral 52.5 - 0.00% ✗ -
Jan 1, 2024 Jan 3, 2024 Multani Pratik S Director Neutral 52.5 - 0.00% ✗ -
Jan 1, 2024 Jan 3, 2024 LIU JEAN I Director Neutral 52.5 - 0.00% ✗ -
Jan 1, 2024 Jan 3, 2024 Start Valerie Denise Harding Director Neutral 52.5 - 0.00% ✗ -
Jan 1, 2024 Jan 3, 2024 Casdin Alexander W. Director Neutral 52.5 - 0.00% ✗ -
Dec 15, 2023 Dec 18, 2023 Chacko David M. CFO Buy 83.8 +7,478 3.13% ✗ $11.9K
Dec 15, 2023 Dec 18, 2023 Garner Ebun General Counsel & Corp. Sec. Buy 90.0 +5,448 127.29% ✗ $8.7K
Dec 6, 2023 Dec 8, 2023 Start Valerie Denise Harding Director Buy 91.3 +10,000 83.33% ✗ $18.5K
Dec 5, 2023 Dec 6, 2023 Lim Jonathan E CEO Buy 87.5 +1,000,000 2.26% ✗ $1.7M
Dec 4, 2023 Dec 4, 2023 Casdin Alexander W. Director Buy 86.3 +30,000 5.38% ✗ $49.8K
Oct 5, 2023 Oct 10, 2023 Lim Jonathan E CEO Buy 92.5 +1,000,000 3.29% ✗ $2M
Jun 22, 2023 Jun 26, 2023 Chen Bihua Director Neutral 52.5 - 0.00% ✗ -
Jun 22, 2023 Jun 26, 2023 Varney Michael David Director Neutral 52.5 - 0.00% ✗ -
Jun 22, 2023 Jun 26, 2023 Multani Pratik S Director Neutral 52.5 - 0.00% ✗ -
Jun 22, 2023 Jun 26, 2023 LIU JEAN I Director Neutral 52.5 - 0.00% ✗ -
Jun 26, 2023 Lim Jonathan E CEO Neutral 52.5 - 0.00% ✗ -
Jun 22, 2023 Jun 26, 2023 Start Valerie Denise Harding Director Neutral 52.5 - 0.00% ✗ -
Jun 22, 2023 Jun 26, 2023 Hambleton Julie Director Neutral 52.5 - 0.00% ✗ -
Jun 22, 2023 Jun 26, 2023 Casdin Alexander W. Director Neutral 52.5 - 0.00% ✗ -
Jun 22, 2023 Jun 26, 2023 Bristol James Arthur Director Neutral 52.5 - 0.00% ✗ -
Jun 8, 2023 Jun 8, 2023 Lim Jonathan E CEO Buy 67.5 +100,000 0.33% ✗ $275K
Apr 10, 2023 Apr 13, 2023 Morris Shannon Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Apr 13, 2023 Morris Shannon Chief Medical Officer Neutral 52.5 - 0.00% ✗ -
Apr 10, 2023 Apr 11, 2023 Casdin Alexander W. Director Buy 87.5 +20,000 3.72% ✗ $55.2K
Mar 28, 2023 Mar 28, 2023 Lim Jonathan E CEO Buy 67.5 +100,000 0.33% ✗ $284K
Nov 30, 2022 Feb 15, 2023 Lim Jonathan E CEO Neutral 27.5 -2,000,006 -6.23% ✗ -
Feb 1, 2023 Feb 3, 2023 Lim Jonathan E CEO Neutral 52.5 - 0.00% ✗ -
Feb 1, 2023 Feb 3, 2023 Chacko David M. CFO Buy 60.0 +1,750 0.37% ✗ $7.2K
Feb 1, 2023 Feb 3, 2023 Wei Lin Chief Medical Officer Buy 60.0 +1,750 0.28% ✗ $7.2K
Feb 1, 2023 Feb 3, 2023 Garner Ebun General Counsel & Corp. Sec. Buy 90.0 +2,390 38.74% ✗ $9.8K
Jan 10, 2023 Jan 10, 2023 Lim Jonathan E CEO Buy 60.0 +60,000 0.19% ✗ $231.4K
Dec 21, 2022 Dec 22, 2022 Start Valerie Denise Harding Director Buy 91.3 +10,000 500.00% ✗ $46.4K
Dec 21, 2022 Dec 22, 2022 Bristol James Arthur Director Buy 95.0 +20,000 10.67% ✗ $82.8K
Dec 13, 2022 Dec 21, 2022 Chen Bihua Director Buy 92.5 +307,692 2.93% ✗ $2M
Dec 13, 2022 Dec 20, 2022 Chen Bihua Director Buy 92.5 +307,692 2.93% ✗ $2M
Dec 15, 2022 Dec 15, 2022 Casdin Alexander W. Director Buy 87.5 +20,000 3.86% ✗ $97.5K
Dec 14, 2022 Dec 15, 2022 Lim Jonathan E CEO Buy 60.0 +40,000 0.12% ✗ $199.6K
Jul 1, 2022 Jul 6, 2022 Casdin Alexander W. Director Neutral 27.5 -750,000 -59.16% ✗ -
Jun 22, 2022 Jun 24, 2022 Chen Bihua Director Neutral 52.5 - 0.00% ✗ -
Jun 22, 2022 Jun 24, 2022 Varney Michael David Director Neutral 52.5 - 0.00% ✗ -
Jun 22, 2022 Jun 24, 2022 Multani Pratik S Director Neutral 52.5 - 0.00% ✗ -
Jun 22, 2022 Jun 24, 2022 Start Valerie Denise Harding Director Neutral 52.5 - 0.00% ✗ -
Jun 22, 2022 Jun 24, 2022 Hambleton Julie Director Neutral 52.5 - 0.00% ✗ -
Jun 22, 2022 Jun 24, 2022 Casdin Alexander W. Director Neutral 52.5 - 0.00% ✗ -
Jun 22, 2022 Jun 24, 2022 Bristol James Arthur Director Neutral 52.5 - 0.00% ✗ -
Apr 25, 2022 Apr 27, 2022 LIU JEAN I Director Neutral 52.5 - 0.00% ✗ -
Apr 27, 2022 LIU JEAN I Director Neutral 52.5 - 0.00% ✗ -
Feb 1, 2022 Feb 3, 2022 Garner Ebun General Counsel & Corp. Sec. Buy 91.3 +990 110.00% ✗ $11.5K
Feb 1, 2022 Feb 3, 2022 Wei Lin Chief Medical Officer Buy 61.3 +1,562 0.50% ✗ $18.1K
Feb 1, 2022 Feb 3, 2022 Lim Jonathan E CEO Neutral 52.5 - 0.00% ✗ -
Feb 1, 2022 Feb 3, 2022 Chacko David M. CFO Buy 68.8 +1,562 0.66% ✗ $18.1K
Jul 26, 2021 Aug 10, 2021 Chen Bihua Director Buy 45.0 - 0.00% ✗ $667K
Jul 20, 2021 Jul 22, 2021 Chen Bihua Director Buy 97.5 +950,000 9.94% ✗ $15.2M
Jul 20, 2021 Jul 20, 2021 Lim Jonathan E Officer Neutral 52.5 - 0.00% ✗ -
Jul 20, 2021 Jul 20, 2021 Garner Ebun General Counsel Buy 91.3 +900 100.00% ✗ $14.4K