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Erasca, Inc.

ERAS Net buying
CIK 0001761918 #1231 in the set updated 19 Sep 2026
Bought (120 mo)
$27.11M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$6.04M
$0.00 on a plan · $2.28M straight out of an exercise
Sold at will
$3.75M
1 of 4 sales
Net
+$21.07M
+$23.35M against sales at will

By person

12 insiders · 25 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Chen Bihua
Director
$21.62M (3)
$3.75M (1)
+$17.87M
10,813,246
3.09%
$177.34M
+1,081,324,500%
Lim Jonathan E
Chairman & CEO
$4.71M (7)
—
+$4.71M
12,899,360
3.69%
$211.55M
+56,124%
Garner Ebun
Chief Legal Officer
$14.40K (1)
$1.98M (2) scheduled
−$1.97M
25,076
0.0072%
$411.25K
—
Casdin Alexander W.
Director
$384.43K (4)
—
+$384.43K
573,974
0.1641%
$9.41M
+109.5%
Morris Shannon
Chief Medical Officer
—
$300.76K (1) scheduled
−$300.76K
0
0.0000%
$0.00
—
Multani Pratik S
Director
$99.20K (1)
—
+$99.20K
172,866
0.0494%
$2.84M
+3.7%
Start Valerie Denise Harding
Director
$96.88K (3)
—
+$96.88K
22,000
0.0063%
$360.80K
—
Hambleton Julie
Director
$96.00K (1)
—
+$96.00K
6,000
0.0017%
$98.40K
—
Bristol James Arthur
Director
$82.80K (1)
—
+$82.80K
20,000
0.0057%
$328.00K
—
ARCH Venture Partners X, LLC entity
10% owner
—
—
—
5,527,777
1.58%
$90.66M
—
Wei Lin
Chief Medical Officer
—
—
—
315,812
0.0903%
$5.18M
+1.1%
Chacko David M.
CFO and CBO
—
—
—
279,980
0.0800%
$4.59M
+18.7%

Individual transactions

21
Insider
Date
Role
Action
Shares
Price
Amount
Casdin Alexander W.
21 May 2024
Director
Buy
80,000
$2.27
$181.92K
Lim Jonathan E
6 Dec 2023
Chairman & CEO
Buy indirect
278,150
$1.72
$478.42K
Start Valerie Denise Harding
6 Dec 2023
Director
Buy indirect
10,000
$1.85
$18.48K
Lim Jonathan E
5 Dec 2023
Chairman & CEO
Buy indirect
721,850
$1.69
$1.22M
Casdin Alexander W.
4 Dec 2023
Director
Buy
30,000
$1.66
$49.79K
Lim Jonathan E
5 Oct 2023
Chairman & CEO
Buy indirect
1,000,000
$2.03
$2.03M
Lim Jonathan E
8 Jun 2023
Chairman & CEO
Buy indirect
100,000
$2.75
$275.00K
Casdin Alexander W.
10 Apr 2023
Director
Buy
20,000
$2.76
$55.23K
Lim Jonathan E
28 Mar 2023
Chairman & CEO
Buy indirect
100,000
$2.84
$284.00K
Lim Jonathan E
10 Jan 2023
Chairman & CEO
Buy indirect
60,000
$3.86
$231.42K
Bristol James Arthur
21 Dec 2022
Director
Buy indirect
20,000
$4.14
$82.80K
Start Valerie Denise Harding
21 Dec 2022
Director
Buy indirect
10,000
$4.64
$46.40K
Casdin Alexander W.
15 Dec 2022
Director
Buy
20,000
$4.87
$97.49K
Lim Jonathan E
14 Dec 2022
Chairman & CEO
Buy indirect
40,000
$4.99
$199.60K
Chen Bihua
13 Dec 2022
Director
Buy indirect
307,692
$6.50
$2.00M
Chen Bihua
10 Aug 2021
Director
Buy indirect
200,000
$22.10
$4.42M
Hambleton Julie
20 Jul 2021
Director
Buy
6,000
$16.00
$96.00K
Multani Pratik S
20 Jul 2021
Director
Buy
6,200
$16.00
$99.20K
Start Valerie Denise Harding
20 Jul 2021
Director
Buy
2,000
$16.00
$32.00K
Garner Ebun
20 Jul 2021
General Counsel
Buy
900
$16.00
$14.40K
Chen Bihua
20 Jul 2021
Director
Buy indirect
950,000
$16.00
$15.20M
Show all 25 transactions →

What was left out

Form 4 filings counted 108
Amendments (4/A) skipped 2
Filings about a different issuer 0
Unreadable filings 0
Joint filings 5
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 3
Sales at will 1
Transactions with no price 0
Shares from compensation/vesting 33,141,456
Sales filed before the plan box existed 1
History held since 20 Jul 2021