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United States Biotechnology & Medical Research

Erasca Inc (ERAS)

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Over the last 90 days, Erasca Inc. has seen significant insider selling, totaling over $3 million. Notably, the Erasca Foundation and officers like Ebun Garner and Shannon Morris have been involved in multiple proposed and planned sales. No insider purchases were recorded during this period. The company's stock has seen a modest 5.2% increase in the last 90 days.
Stock chart
Ticker: ERAS Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Erasca Foundation
Foundation
1 sale — total 100,000 USD
Proposed sale 15 Jun 2026
Value US$994,372.62 | Price 331.88 | Shares 79,366
Proposed sale 15 May 2026
Value US$1,059,780.66 | Price 318.15 | Shares 52,812
Proposed sale 15 May 2026
Value US$911,892.98 | Price 284.31 | Shares 75,414
Proposed sale 15 Apr 2026
Value US$150,843.19 | Price 18.10 | Shares 8,333
Proposed sale 15 Apr 2026
Value US$150,843.19 | Price 18.10 | Shares 8,333
Planned sale 1 Apr 2026
Value US$1,312,000.00 | Price 16.40 | Shares 80,000
Proposed sale 1 Apr 2026
Value US$1,312,354.68 | Price 16.40 | Shares 80,000
Proposed sale 16 Mar 2026
Value US$116,855.46 | Price 14.02 | Shares 8,333
Planned sale 4 Mar 2026
Value US$300,760.00 | Price 15.04 | Shares 20,000
Proposed sale 4 Mar 2026
Value US$300,768.64 | Price 15.04 | Shares 20,000
Proposed sale 17 Feb 2026
Value US$99,245.03 | Price 11.91 | Shares 8,333
Proposed sale 15 Jan 2026
Value US$68,573.87 | Price 8.23 | Shares 8,333
Planned sale 7 Jan 2026
Value US$670,812.00 | Price 5.59 | Shares 120,000
Proposed sale 7 Jan 2026
Value US$670,809.15 | Price 5.59 | Shares 120,000
Proposed sale 15 Dec 2025
Value US$30,438.69 | Price 3.65 | Shares 8,333
Proposed sale 17 Nov 2025
Value US$21,626.50 | Price 2.60 | Shares 8,333
Proposed sale 15 Oct 2025
Value US$20,591.33 | Price 2.47 | Shares 8,333
Proposed sale 15 Sep 2025
Value US$12,942.20 | Price 1.55 | Shares 8,333
Proposed sale 15 Aug 2025
Value US$12,834.87 | Price 1.54 | Shares 8,333
Proposed sale 15 Jul 2025
Value US$11,816.69 | Price 1.42 | Shares 8,333
Proposed sale 16 Jun 2025
Value US$11,813.03 | Price 1.42 | Shares 8,333
Proposed sale 15 May 2025
Value US$9,902.48 | Price 1.19 | Shares 8,333
Proposed sale 15 Apr 2025
Value US$10,165.41 | Price 1.22 | Shares 8,333
Proposed sale 17 Mar 2025
Value US$11,702.37 | Price 1.40 | Shares 8,333
Proposed sale 18 Feb 2025
Value US$12,751.88 | Price 1.53 | Shares 8,333
Proposed sale 15 Jan 2025
Value US$16,183.22 | Price 1.94 | Shares 8,333
Proposed sale 16 Dec 2024
Value US$20,786.74 | Price 2.49 | Shares 8,333
Proposed sale 15 Nov 2024
Value US$22,648.20 | Price 2.72 | Shares 8,333
Proposed sale 15 Oct 2024
Value US$22,305.96 | Price 2.68 | Shares 8,333
Proposed sale 16 Sep 2024
Value US$24,090.07 | Price 2.89 | Shares 8,333
Proposed sale 15 Aug 2024
Value US$21,619.42 | Price 2.59 | Shares 8,333
Proposed sale 15 Jul 2024
Value US$25,173.74 | Price 3.02 | Shares 8,333
Proposed sale 17 Jun 2024
Value US$17,365.31 | Price 2.08 | Shares 8,333
Buy 21 May 2024
Value US$181,920.00 | Price 2.27 | Shares 80,000
Proposed sale 15 May 2024
Value US$15,581.35 | Price 1.87 | Shares 8,333
Proposed sale 15 Apr 2024
Value US$17,194.65 | Price 2.06 | Shares 8,333
Proposed sale 15 Mar 2024
Value US$16,827.17 | Price 2.02 | Shares 8,333
Proposed sale 15 Feb 2024
Value US$14,497.66 | Price 1.74 | Shares 8,333
Proposed sale 16 Jan 2024
Value US$15,630.88 | Price 1.88 | Shares 8,333
Proposed sale 15 Dec 2023
Value US$16,249.35 | Price 1.95 | Shares 8,333
Buy 6 Dec 2023
Value US$18,480.00 | Price 1.85 | Shares 10,000
Buy 6 Dec 2023
Value US$478,418.00 | Price 1.72 | Shares 278,150
Buy 5 Dec 2023
Value US$1,217,760.95 | Price 1.69 | Shares 721,850
Buy 4 Dec 2023
Value US$49,785.00 | Price 1.66 | Shares 30,000
Proposed sale 15 Nov 2023
Value US$18,336.87 | Price 2.20 | Shares 8,333
Proposed sale 16 Oct 2023
Value US$19,493.74 | Price 2.34 | Shares 8,333
Buy 5 Oct 2023
Value US$2,026,000.00 | Price 2.03 | Shares 1,000,000
Proposed sale 15 Sep 2023
Value US$21,249.15 | Price 2.55 | Shares 8,333
Proposed sale 15 Aug 2023
Value US$21,491.07 | Price 2.58 | Shares 8,333
Proposed sale 17 Jul 2023
Value US$21,620.70 | Price 2.59 | Shares 8,333
Buy 8 Jun 2023
Value US$275,000.00 | Price 2.75 | Shares 100,000
Buy 10 Apr 2023
Value US$55,230.00 | Price 2.76 | Shares 20,000
Buy 28 Mar 2023
Value US$284,000.00 | Price 2.84 | Shares 100,000
Buy 10 Jan 2023
Value US$231,420.00 | Price 3.86 | Shares 60,000
Buy 21 Dec 2022
Value US$46,400.00 | Price 4.64 | Shares 10,000
Buy 21 Dec 2022
Value US$82,800.00 | Price 4.14 | Shares 20,000
Buy 15 Dec 2022
Value US$97,490.00 | Price 4.87 | Shares 20,000
Buy 14 Dec 2022
Value US$199,600.00 | Price 4.99 | Shares 40,000
Buy 13 Dec 2022
Value US$1,999,998.00 | Price 6.50 | Shares 307,692
Buy 10 Aug 2021
Value US$4,420,000.00 | Price 22.10 | Shares 200,000
Sale 26 Jul 2021
Value US$3,753,000.00 | Price 18.77 | Shares 200,000
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-06-15 2026-06-15 PrS Proposed sale
Erasca Foundation

Foundation
79,366
331.88
US$994,373 		79,366 331.88 US$994,373
2026-05-15 2026-05-15 PrS Proposed sale
Erasca Foundation

Foundation
52,812
318.15
US$1,059,781 		52,812 318.15 US$1,059,781
2026-05-15 2026-05-15 PrS Proposed sale
Erasca Foundation

Foundation
75,414
284.31
US$911,893 		75,414 284.31 US$911,893
2026-04-15 2026-04-15 PrS Proposed sale
Erasca Foundation

Foundation
8,333
18.10
US$150,843 		8,333 18.10 US$150,843
2026-04-15 2026-04-15 PrS Proposed sale
Erasca Foundation

Foundation
8,333
18.10
US$150,843 		8,333 18.10 US$150,843
2026-04-03 2026-04-01 PlS Planned sale
Garner Ebun

Chief Legal Officer

Officer
80,000 -76.1%
16.40
US$1,312,000 		80,000 -76.1% 16.40 US$1,312,000
2026-04-01 2026-04-01 PrS Proposed sale
Ebun Garner

Officer

Officer
80,000
16.40
US$1,312,355 		80,000 16.40 US$1,312,355
2026-03-16 2026-03-16 PrS Proposed sale
Erasca Foundation

Foundation
8,333
14.02
US$116,855 		8,333 14.02 US$116,855
2026-03-06 2026-03-04 PlS Planned sale
Morris Shannon

Chief Medical Officer

Officer
20,000 -100.0%
15.04
US$300,760 		20,000 -100.0% 15.04 US$300,760
2026-03-04 2026-03-04 PrS Proposed sale
Shannon Morris

Officer

Officer
20,000
15.04
US$300,769 		20,000 15.04 US$300,769
2026-02-17 2026-02-17 PrS Proposed sale
Erasca Foundation

Foundation
8,333
11.91
US$99,245 		8,333 11.91 US$99,245
2026-01-15 2026-01-15 PrS Proposed sale
Erasca Foundation

Foundation
8,333
8.23
US$68,574 		8,333 8.23 US$68,574
2026-01-08 2026-01-07 PlS Planned sale
Garner Ebun

General Counsel & Corp. Sec.

Officer
120,000 -82.7%
5.59
US$670,812 		120,000 -82.7% 5.59 US$670,812
2026-01-07 2026-01-07 PrS Proposed sale
Ebun Garner

Officer

Officer
120,000
5.59
US$670,809 		120,000 5.59 US$670,809
2025-12-15 2025-12-15 PrS Proposed sale
Erasca Foundation

Foundation
8,333
3.65
US$30,439 		8,333 3.65 US$30,439
2025-11-17 2025-11-17 PrS Proposed sale
Erasca Foundation

Erasca Foundation
8,333
2.60
US$21,626 		8,333 2.60 US$21,626
2025-10-15 2025-10-15 PrS Proposed sale
Erasca Foundation

Erasca Foundation
8,333
2.47
US$20,591 		8,333 2.47 US$20,591
2025-09-15 2025-09-15 PrS Proposed sale
Erasca Foundation

Erasca Foundation
8,333
1.55
US$12,942 		8,333 1.55 US$12,942
2025-08-15 2025-08-15 PrS Proposed sale
Erasca Foundation

Erasca Foundation
8,333
1.54
US$12,835 		8,333 1.54 US$12,835
2025-07-15 2025-07-15 PrS Proposed sale
Erasca Foundation

Affiliate
8,333
1.42
US$11,817 		8,333 1.42 US$11,817
2025-06-16 2025-06-16 PrS Proposed sale
Erasca Foundation

Affiliate
8,333
1.42
US$11,813 		8,333 1.42 US$11,813
2025-05-15 2025-05-15 PrS Proposed sale
Erasca Foundation

Affiliate
8,333
1.19
US$9,902 		8,333 1.19 US$9,902
2025-04-15 2025-04-15 PrS Proposed sale
Erasca Foundation

Affiliate
8,333
1.22
US$10,165 		8,333 1.22 US$10,165
2025-03-17 2025-03-17 PrS Proposed sale
Erasca Foundation

Affiliate
8,333
1.40
US$11,702 		8,333 1.40 US$11,702
2025-02-18 2025-02-18 PrS Proposed sale
Erasca Foundation

Affiliate
8,333
1.53
US$12,752 		8,333 1.53 US$12,752
2025-01-15 2025-01-15 PrS Proposed sale
Erasca Foundation

Affiliate
8,333
1.94
US$16,183 		8,333 1.94 US$16,183
2024-12-16 2024-12-16 PrS Proposed sale
Erasca Foundation

Affiliate
8,333
2.49
US$20,787 		8,333 2.49 US$20,787
2024-11-15 2024-11-15 PrS Proposed sale
Erasca Foundation

Affiliate
8,333
2.72
US$22,648 		8,333 2.72 US$22,648
2024-10-15 2024-10-15 PrS Proposed sale
Erasca Foundation

Affiliate
8,333
2.68
US$22,306 		8,333 2.68 US$22,306
2024-09-16 2024-09-16 PrS Proposed sale
Erasca Foundation

Affiliate
8,333
2.89
US$24,090 		8,333 2.89 US$24,090
2024-08-15 2024-08-15 PrS Proposed sale
Erasca Foundation

Affiliate
8,333
2.59
US$21,619 		8,333 2.59 US$21,619
2024-07-15 2024-07-15 PrS Proposed sale
Erasca Foundation

affiliate
8,333
3.02
US$25,174 		8,333 3.02 US$25,174
2024-06-17 2024-06-17 PrS Proposed sale
Erasca Foundation

affiliate
8,333
2.08
US$17,365 		8,333 2.08 US$17,365
2024-05-22 2024-05-21 B Purchase
2.9
Casdin Alexander W.
Non-Executive Director
80,000 +16.2%
2.27
US$181,920 		80,000 +16.2% 2.27 US$181,920
2024-05-15 2024-05-15 PrS Proposed sale
Erasca Foundation

Affiliate
8,333
1.87
US$15,581 		8,333 1.87 US$15,581
2024-04-15 2024-04-15 PrS Proposed sale
Erasca Foundation

Affiliate
8,333
2.06
US$17,195 		8,333 2.06 US$17,195
2024-03-15 2024-03-15 PrS Proposed sale
Erasca Foundation

Affiliate
8,333
2.02
US$16,827 		8,333 2.02 US$16,827
2024-02-15 2024-02-15 PrS Proposed sale
Erasca Foundation

Affiliate
8,333
1.74
US$14,498 		8,333 1.74 US$14,498
2024-01-16 2024-01-16 PrS Proposed sale
Erasca Foundation

Affiliate
8,333
1.88
US$15,631 		8,333 1.88 US$15,631
2023-12-15 2023-12-15 PrS Proposed sale
Erasca Foundation

Affiliate
8,333
1.95
US$16,249 		8,333 1.95 US$16,249
2023-12-08 2023-12-06 B Purchase
1.6
Start Valerie Denise Harding
Non-Executive Director
10,000 +100.0%
1.85
US$18,480 		10,000 +100.0% 1.85 US$18,480
2023-12-06 2023-12-06 B Purchase
3.5
Lim Jonathan E

Chairman & CEO

Executive Director Large shareholder
278,150 +2.2%
1.72
US$478,418 		278,150 +2.2% 1.72 US$478,418
2023-12-06 2023-12-05 B Purchase
3.5
Lim Jonathan E

Chairman & CEO

Executive Director Large shareholder
721,850 +5.9%
1.69
US$1,217,761 		721,850 +5.9% 1.69 US$1,217,761
2023-12-04 2023-12-04 B Purchase
2.9
Casdin Alexander W.
Non-Executive Director
30,000 +6.5%
1.66
US$49,785 		30,000 +6.5% 1.66 US$49,785
2023-11-15 2023-11-15 PrS Proposed sale
Erasca Foundation

Affiliate
8,333
2.20
US$18,337 		8,333 2.20 US$18,337
2023-10-16 2023-10-16 PrS Proposed sale
Erasca Foundation

Affiliate
8,333
2.34
US$19,494 		8,333 2.34 US$19,494
2023-10-10 2023-10-05 B Purchase
3.5
Lim Jonathan E

Chairman & CEO

Executive Director Large shareholder
1,000,000 +5.4%
2.03
US$2,026,000 		1,000,000 +5.4% 2.03 US$2,026,000
2023-09-15 2023-09-15 PrS Proposed sale
Erasca Foundation

Affiliate
8,333
2.55
US$21,249 		8,333 2.55 US$21,249
2023-08-15 2023-08-15 PrS Proposed sale
Erasca Foundation

Affliate
8,333
2.58
US$21,491 		8,333 2.58 US$21,491
2023-07-17 2023-07-17 PrS Proposed sale
Erasca Foundation

Affiliate
8,333
2.59
US$21,621 		8,333 2.59 US$21,621
2023-06-08 2023-06-08 B Purchase
3.5
Lim Jonathan E

Chairman & CEO

Executive Director Large shareholder
100,000 +0.5%
2.75
US$275,000 		100,000 +0.5% 2.75 US$275,000
2023-04-11 2023-04-10 B Purchase
2.9
Casdin Alexander W.
Non-Executive Director
20,000 +4.5%
2.76
US$55,230 		20,000 +4.5% 2.76 US$55,230
2023-03-28 2023-03-28 B Purchase
3.5
Lim Jonathan E

Chairman & CEO

Executive Director Large shareholder
100,000 +0.5%
2.84
US$284,000 		100,000 +0.5% 2.84 US$284,000
2023-01-10 2023-01-10 B Purchase
3.5
Lim Jonathan E

Chairman & CEO

Executive Director Large shareholder
60,000 +0.3%
3.86
US$231,420 		60,000 +0.3% 3.86 US$231,420
2022-12-22 2022-12-21 B Purchase
1.6
Start Valerie Denise Harding
Non-Executive Director
10,000 +inf%
4.64
US$46,400 		10,000 +inf% 4.64 US$46,400
2022-12-22 2022-12-21 B Purchase
0.6
Bristol James Arthur
Non-Executive Director
20,000 +inf%
4.14
US$82,800 		20,000 +inf% 4.14 US$82,800
2022-12-15 2022-12-15 B Purchase
2.9
Casdin Alexander W.
Non-Executive Director
20,000 +4.7%
4.87
US$97,490 		20,000 +4.7% 4.87 US$97,490
2022-12-15 2022-12-14 B Purchase
3.5
Lim Jonathan E

Chairman & CEO

Executive Director Large shareholder
40,000 +0.2%
4.99
US$199,600 		40,000 +0.2% 4.99 US$199,600
2022-12-20 2022-12-13 B Purchase
2.2
Chen Bihua
Non-Executive Director
307,692 +2.9%
6.50
US$1,999,998 		307,692 +2.9% 6.50 US$1,999,998
2021-08-10 2021-08-10 B Purchase
2.2
Chen Bihua
Non-Executive Director
200,000 +1.9%
22.10
US$4,420,000 		200,000 +1.9% 22.10 US$4,420,000
2021-08-10 2021-07-26 S Sale
2.2
Chen Bihua
Non-Executive Director
200,000 -1.9%
18.77
US$3,753,000 		200,000 -1.9% 18.77 US$3,753,000
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