Alexander W. Casdin
CIK: 0001455228
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Erasca, Inc.
Discretionary Trading P&L
Holdings
Transaction History (4 total)
- Jun 26, 2026ERAS
Erasca, Inc.
Award(A)DirectStock option (right to buy)
29.9K shares- - Jan 1, 2026ERAS
Erasca, Inc.
Award(A)DirectStock Option (right to buy)
23.9K shares- - Jun 24, 2025ERAS
Erasca, Inc.
Award(A)DirectStock option (right to buy)
120K shares- - Jan 1, 2025ERAS
Erasca, Inc.
Award(A)DirectStock Option (right to buy)
28.9K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 26, 2026 | ERAS Erasca, Inc. | Award(A) Stock option (right to buy) | 29,888 | - | - | Direct |
| Jan 1, 2026 | ERAS Erasca, Inc. | Award(A) Stock Option (right to buy) | 23,872 | - | - | Direct |
| Jun 24, 2025 | ERAS Erasca, Inc. | Award(A) Stock option (right to buy) | 120,000 | - | - | Direct |
| Jan 1, 2025 | ERAS Erasca, Inc. | Award(A) Stock Option (right to buy) | 28,877 | - | - | Direct |
1-4 of 4 transactions
About Casdin Alexander W.
Casdin Alexander W. (SEC CIK 0001455228) files insider reports with the SEC as Director of Erasca, Inc. (ERAS).
Signal8 holds 4 ownership filings by Casdin Alexander W., all Form 4s, filed between Jan 2, 2025 and Jun 29, 2026. Those filings report 4 transactions, from Jan 1, 2025 to Jun 26, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Casdin Alexander W.'s filings is in SAN DIEGO, CA.
Recent filings by Casdin Alexander W.
- Jun 26, 2026: Grant or award of ERAS derivative securities (Form 4, code A).
- Jan 1, 2026: Grant or award of ERAS derivative securities (Form 4, code A).
- Jun 24, 2025: Grant or award of ERAS derivative securities (Form 4, code A).
- Jan 1, 2025: Grant or award of ERAS derivative securities (Form 4, code A).
Other insiders filing for Erasca, Inc. (ERAS)
- Fuchs Charles S., President, R&D
- Start Valerie Denise Harding, Director
- LIU JEAN I, Director
- Multani Pratik S, Director
- Hambleton Julie, Director
- Bristol James Arthur, Director