Insider Transactions Reported by 14 Insiders of Erasca, Inc.

Symbol
ERAS on Nasdaq
Location
San Diego, CA

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Quick Takeaways

  • ERAS - Erasca, Inc. has 14 insiders with reported activity on this page.
  • Net insider value flow over the last year: -$2,283,572.
  • Recent transaction rows are available for direct filing-level review.

What Changed

  • Buy value: ; sell value: $2,283,572.
  • Net share flow: -220,000.

Why This Matters

  • This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
  • Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Official SEC Source

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Net insider flow leans to selling over the last 12 months. Net value: -$2,283,572.

Buys

$0

Shares: 0

Insiders: 0

Sells

$2,283,572

Shares: 220,000

Insiders: 2

Net

-$2,283,572

Shares: -220,000

Insiders: -2

Window (months) Buy shares Sell shares Buy $ Sell $ Net $
0-3 0 100,000 $0 $1,612,760 -$1,612,760
3-6 0 120,000 $0 $670,812 -$670,812
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Erasca, Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
ARCH Venture Partners X, LLC 10%+ Owner $17,572,804 Mixed 20 Jul 2021
Bihua Chen Director $17,187,655 Mixed 22 Jun 2023
Wei Lin Chief Medical Officer $501,983 Mixed 01 Feb 2023
Ebun Garner Chief Legal Officer $411,246 -$1,982,812 -83% Filing P/S 01 Apr 2026
David M. Chacko CFO and CBO $334,380 Mixed 15 Dec 2025
Pratik S. Multani Director $257,570 Mixed 01 Jan 2026
Shannon Morris Chief Medical Officer $0 -$300,760 -100% Mixed 04 Mar 2026
James Arthur Bristol Director Mixed 01 Jan 2026
Michael David Varney Director Mixed 29 Jan 2026
Valerie Denise Harding Start Director Mixed 01 Jan 2026
Jean I. Liu Director Mixed 01 Jan 2026
Julie Hambleton Director Mixed 24 Jun 2025
Jonathan E. Lim Chairman & CEO, Director, 10%+ Owner Mixed 29 Jan 2026
Alexander W. Casdin Director Mixed 01 Jan 2026

Top shareholders of Erasca, Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
T. Rowe Price Investment Management, Inc.
13D/G 13F
Company
5.7%
16,111,414
$108,913,159 -$28,532,250 31 Dec 2025
Frazier Life Sciences Management, L.P.
13F
Company
8%
22,729,436
$84,553,502 31 Dec 2025
13F
VR Adviser, LLC
13F
Company
6.3%
17,857,083
$66,428,349 31 Dec 2025
13F
BlackRock, Inc.
13F
Company
5.5%
15,597,330
$58,022,066 31 Dec 2025
13F
Paradigm Biocapital Advisors LP
13D/G 13F
Company
5.3%
15,159,095
$56,391,833 $0 07 Jan 2026
SUVRETTA CAPITAL MANAGEMENT, LLC
13F 13D/G
Company
5.1%
from 13D/G
14,502,004
$53,947,455 31 Dec 2025
Logos Global Management LP
13F 13D/G
Company
4.8%
from 13D/G
13,000,000
$48,360,000 31 Dec 2025
VANGUARD GROUP INC
13F
Company
4.5%
12,812,156
$47,661,220 31 Dec 2025
13F
ARCH Venture Management, LLC
13F
Company
3.9%
11,055,554
$41,126,661 31 Dec 2025
13F
Vivo Capital, LLC
13F
Company
3.3%
9,273,428
$34,497,152 31 Dec 2025
13F
Siren, L.L.C.
13F
Individual
3.1%
8,757,249
$32,576,966 31 Dec 2025
13F
STATE STREET CORP
13F
Company
2.2%
6,174,642
$22,969,668 31 Dec 2025
13F
Frazier Life Sciences Public Fund, L.P.
13D/G
5.3%
15,038,753
$21,355,029 -$10,702,679 30 Jun 2025
5AM Venture Management, LLC
13F
Company
1.9%
5,405,404
$20,108,103 31 Dec 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
1.7%
4,926,335
$18,330,444 31 Dec 2025
13F
ARCH Venture Partners X, LLC
3/4/5
10%+ Owner
class O/S missing
11,055,554
$17,572,804 20 Jul 2021
Bihua Chen
3/4/5
Director
mixed-class rows
10,873,246
mixed-class rows
$17,187,655 22 Jun 2023
NOVARTIS PHARMA AG
13D/G
4.4%
12,307,692
$17,107,692 $0 31 Dec 2024
Affinity Asset Advisors, LLC
13F
Company
1.4%
3,900,000
$14,508,000 31 Dec 2025
13F
Spruce Street Capital LP
13F
Company
1.4%
3,889,632
$14,469,431 31 Dec 2025
13F
GOLDMAN SACHS GROUP INC
13F
Company
1.2%
3,331,418
$12,392,875 31 Dec 2025
13F
a16z Capital Management, L.L.C.
13F
Company
1%
2,862,500
$10,648,500 31 Dec 2025
13F
MILLENNIUM MANAGEMENT LLC
13F
Company
0.79%
2,237,951
$8,325,178 31 Dec 2025
13F
Soleus Capital Management, L.P.
13F
Company
0.76%
2,162,162
$8,043,243 31 Dec 2025
13F
Woodline Partners LP
13F
Company
0.68%
1,930,642
$7,181,988 31 Dec 2025
13F
DIMENSIONAL FUND ADVISORS LP
13F
Company
0.63%
1,775,685
$6,602,155 31 Dec 2025
13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
0.59%
1,673,404
$6,225,063 31 Dec 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
0.57%
1,611,850
$5,996,083 31 Dec 2025
13F
ExodusPoint Capital Management, LP
13F
Company
0.53%
1,490,967
$5,546,397 31 Dec 2025
13F
NORTHERN TRUST CORP
13F
Company
0.47%
1,331,508
$4,953,210 31 Dec 2025
13F
SILVERARC CAPITAL MANAGEMENT, LLC
13F
Company
0.47%
1,317,584
$4,901,412 31 Dec 2025
13F
JPMORGAN CHASE & CO
13F
Company
0.41%
1,153,090
$4,289,495 31 Dec 2025
13F
CITADEL ADVISORS LLC
13F
Company
0.36%
1,030,345
$3,832,883 31 Dec 2025
13F
Rock Springs Capital Management LP
13F
Company
0.34%
951,710
$3,540,361 31 Dec 2025
13F
JANE STREET GROUP, LLC
13F
Company
0.32%
912,519
$3,394,571 31 Dec 2025
13F
TANG CAPITAL MANAGEMENT LLC
13F
Company
0.32%
900,000
$3,348,000 31 Dec 2025
13F
RENAISSANCE TECHNOLOGIES LLC
13F
Company
0.3%
850,100
$3,162,372 31 Dec 2025
13F
MORGAN STANLEY
13F
Company
0.29%
810,385
$3,014,632 31 Dec 2025
13F
Ikarian Capital, LLC
13F
Company
0.26%
735,396
$2,735,673 31 Dec 2025
13F
AQR CAPITAL MANAGEMENT LLC
13F
Company
0.24%
669,876
$2,491,939 31 Dec 2025
13F
Bank of New York Mellon Corp
13F
Company
0.19%
546,776
$2,034,007 31 Dec 2025
13F
WELLINGTON MANAGEMENT GROUP LLP
13F
Company
0.19%
543,196
$2,020,690 31 Dec 2025
13F
HRT FINANCIAL LP
13F
Company
0.19%
536,909
$1,997,000 31 Dec 2025
13F
FMR LLC
13F
Company
0.18%
521,455
$1,939,813 31 Dec 2025
13F
Nuveen, LLC
13F
Company
0.15%
424,713
$1,579,932 31 Dec 2025
13F
BARCLAYS PLC
13F
Company
0.14%
402,796
$1,498,401 31 Dec 2025
13F
Creative Planning
13F
Company
0.14%
381,695
$1,419,905 31 Dec 2025
13F
SIMPLEX TRADING, LLC
13F
Company
0.12%
346,072
$1,287,387 31 Dec 2025
13F
Invesco Ltd.
13F
Company
0.12%
329,795
$1,226,837 31 Dec 2025
13F
Squarepoint Ops LLC
13F
Company
0.09%
258,275
$960,783 31 Dec 2025
13F

Recent Insider Transactions by Companies or Individuals for Erasca, Inc.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Ebun Garner ERAS Common Stock Sale -76.1% $1,312,000 $16.40 -80,000 25,076 01 Apr 2026 Direct
Ebun Garner ERAS Common Stock Options Exercise 319% 80,000 105,076 01 Apr 2026 Direct
Ebun Garner ERAS Stock Option (right to buy) Options Exercise -22.2% -80,000 280,000 01 Apr 2026 Direct
Shannon Morris ERAS Common Stock Sale -100% $300,760 $15.04 -20,000 0 04 Mar 2026 Direct
Shannon Morris ERAS Common Stock Options Exercise 20,000 20,000 04 Mar 2026 Direct
David M. Chacko ERAS Stock option (right to buy) Award 640,000 640,000 29 Jan 2026 Direct
Shannon Morris ERAS Stock option (right to buy) Award 625,000 625,000 29 Jan 2026 Direct
Michael David Varney ERAS Stock option (right to buy) Award 96,000 96,000 29 Jan 2026 Direct
Ebun Garner ERAS Stock option (right to buy) Award 560,000 560,000 29 Jan 2026 Direct
Jonathan E. Lim ERAS Stock option (right to buy) Award 2,000,000 2,000,000 29 Jan 2026 Direct
Ebun Garner ERAS Common Stock Sale -82.7% $670,812 $5.59 -120,000 25,076 07 Jan 2026 Direct
Ebun Garner ERAS Common Stock Options Exercise 478.6% 120,000 145,076 07 Jan 2026 Direct
James Arthur Bristol ERAS Stock Option (right to buy) Award 37,762 37,762 01 Jan 2026 Direct
Jean I. Liu ERAS Stock Option (right to buy) Award 20,617 20,617 01 Jan 2026 Direct
Pratik S. Multani ERAS Stock Option (right to buy) Award 19,532 19,532 01 Jan 2026 Direct
Valerie Denise Harding Start ERAS Stock Option (right to buy) Award 24,306 24,306 01 Jan 2026 Direct
Alexander W. Casdin ERAS Stock Option (right to buy) Award 23,872 23,872 01 Jan 2026 Direct
David M. Chacko ERAS Common Stock Other 6.79% 17,793 279,980 15 Dec 2025 Direct
Ebun Garner ERAS Common Stock Award 18.4% 3,902 25,076 15 Dec 2025 Direct
Michael David Varney ERAS Stock option (right to buy) Award 120,000 120,000 24 Jun 2025 Direct
Jean I. Liu ERAS Stock option (right to buy) Award 120,000 120,000 24 Jun 2025 Direct
Julie Hambleton ERAS Stock option (right to buy) Award 120,000 120,000 24 Jun 2025 Direct
Valerie Denise Harding Start ERAS Stock option (right to buy) Award 120,000 120,000 24 Jun 2025 Direct
Pratik S. Multani ERAS Stock option (right to buy) Award 120,000 120,000 24 Jun 2025 Direct
James Arthur Bristol ERAS Stock option (right to buy) Award 120,000 120,000 24 Jun 2025 Direct
Alexander W. Casdin ERAS Stock option (right to buy) Award 120,000 120,000 24 Jun 2025 Direct
Pratik S. Multani ERAS Common Stock Gift 6,200 6,200 23 May 2025 By Multani Family Trust U/A DTD 08/10/2006
Pratik S. Multani ERAS Common Stock Gift -3.59% -6,200 166,666 23 May 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.