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.
Net insider flow leans to selling over the last 12 months. Net value: -$2,283,572.
$0
Shares: 0
Insiders: 0
$2,283,572
Shares: 220,000
Insiders: 2
-$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 |
| 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 |
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share 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 | |
| VR Adviser, LLC |
13F
|
Company |
6.3%
|
17,857,083
|
$66,428,349 | — | 31 Dec 2025 | |
| BlackRock, Inc. |
13F
|
Company |
5.5%
|
15,597,330
|
$58,022,066 | — | 31 Dec 2025 | |
| 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 | |
| ARCH Venture Management, LLC |
13F
|
Company |
3.9%
|
11,055,554
|
$41,126,661 | — | 31 Dec 2025 | |
| Vivo Capital, LLC |
13F
|
Company |
3.3%
|
9,273,428
|
$34,497,152 | — | 31 Dec 2025 | |
| Siren, L.L.C. |
13F
|
Individual |
3.1%
|
8,757,249
|
$32,576,966 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
2.2%
|
6,174,642
|
$22,969,668 | — | 31 Dec 2025 | |
| 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 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.7%
|
4,926,335
|
$18,330,444 | — | 31 Dec 2025 | |
| 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 | |
| Spruce Street Capital LP |
13F
|
Company |
1.4%
|
3,889,632
|
$14,469,431 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
1.2%
|
3,331,418
|
$12,392,875 | — | 31 Dec 2025 | |
| a16z Capital Management, L.L.C. |
13F
|
Company |
1%
|
2,862,500
|
$10,648,500 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.79%
|
2,237,951
|
$8,325,178 | — | 31 Dec 2025 | |
| Soleus Capital Management, L.P. |
13F
|
Company |
0.76%
|
2,162,162
|
$8,043,243 | — | 31 Dec 2025 | |
| Woodline Partners LP |
13F
|
Company |
0.68%
|
1,930,642
|
$7,181,988 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.63%
|
1,775,685
|
$6,602,155 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.59%
|
1,673,404
|
$6,225,063 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.57%
|
1,611,850
|
$5,996,083 | — | 31 Dec 2025 | |
| ExodusPoint Capital Management, LP |
13F
|
Company |
0.53%
|
1,490,967
|
$5,546,397 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.47%
|
1,331,508
|
$4,953,210 | — | 31 Dec 2025 | |
| SILVERARC CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.47%
|
1,317,584
|
$4,901,412 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.41%
|
1,153,090
|
$4,289,495 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.36%
|
1,030,345
|
$3,832,883 | — | 31 Dec 2025 | |
| Rock Springs Capital Management LP |
13F
|
Company |
0.34%
|
951,710
|
$3,540,361 | — | 31 Dec 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.32%
|
912,519
|
$3,394,571 | — | 31 Dec 2025 | |
| TANG CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.32%
|
900,000
|
$3,348,000 | — | 31 Dec 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.3%
|
850,100
|
$3,162,372 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.29%
|
810,385
|
$3,014,632 | — | 31 Dec 2025 | |
| Ikarian Capital, LLC |
13F
|
Company |
0.26%
|
735,396
|
$2,735,673 | — | 31 Dec 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.24%
|
669,876
|
$2,491,939 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.19%
|
546,776
|
$2,034,007 | — | 31 Dec 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
0.19%
|
543,196
|
$2,020,690 | — | 31 Dec 2025 | |
| HRT FINANCIAL LP |
13F
|
Company |
0.19%
|
536,909
|
$1,997,000 | — | 31 Dec 2025 | |
| FMR LLC |
13F
|
Company |
0.18%
|
521,455
|
$1,939,813 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.15%
|
424,713
|
$1,579,932 | — | 31 Dec 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0.14%
|
402,796
|
$1,498,401 | — | 31 Dec 2025 | |
| Creative Planning |
13F
|
Company |
0.14%
|
381,695
|
$1,419,905 | — | 31 Dec 2025 | |
| SIMPLEX TRADING, LLC |
13F
|
Company |
0.12%
|
346,072
|
$1,287,387 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.12%
|
329,795
|
$1,226,837 | — | 31 Dec 2025 | |
| Squarepoint Ops LLC |
13F
|
Company |
0.09%
|
258,275
|
$960,783 | — | 31 Dec 2025 |
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 |