Casdin Alexander W.
Insider CIK 1455228 · SIEN Director · RXDX Director · ERAS Director · DUSA Director
Trades across companies
| Ticker | Code | Trade | Filed | Shares | Price | Value | Owned after | |
|---|---|---|---|---|---|---|---|---|
| ERAS Erasca, Inc. | A Award deriv | 2026-06-26 | 2026-06-29 | 29,888 | — | $0 | 29,888 | SEC↗ |
| ERAS Erasca, Inc. | A Award deriv | 2026-01-01 | 2026-01-05 | 23,872 | — | $0 | 23,872 | SEC↗ |
| ERAS Erasca, Inc. | A Award deriv | 2025-06-24 | 2025-06-26 | 120,000 | — | $0 | 120,000 | SEC↗ |
| ERAS Erasca, Inc. | A Award deriv | 2025-01-01 | 2025-01-02 | 28,877 | — | $0 | 28,877 | SEC↗ |
| ERAS Erasca, Inc. | A Award deriv | 2024-06-20 | 2024-06-21 | 60,000 | — | $0 | 60,000 | SEC↗ |
| ERAS Erasca, Inc. | P Buy | 2024-05-21 | 2024-05-22 | 80,000 | $2.27 | $181.6K | 573,974 | SEC↗ |
| ERAS Erasca, Inc. | A Award deriv | 2024-01-01 | 2024-01-03 | 41,084 | — | $0 | 41,084 | SEC↗ |
| ERAS Erasca, Inc. | P Buy | 2023-12-04 | 2023-12-04 | 30,000 | $1.66 | $49.8K | 493,974 | SEC↗ |
| ERAS Erasca, Inc. | A Award deriv | 2023-06-22 | 2023-06-26 | 60,000 | — | $0 | 60,000 | SEC↗ |
| SIEN Sientra, Inc. | A Award | 2023-06-15 | 2023-06-20 | 15,000 | — | $0 | 252,099 | SEC↗ |
| ERAS Erasca, Inc. | P Buy | 2023-04-10 | 2023-04-11 | 20,000 | $2.76 | $55.2K | 463,974 | SEC↗ |
| ERAS Erasca, Inc. | P Buy | 2022-12-15 | 2022-12-15 | 20,000 | $4.87 | $97.4K | 443,974 | SEC↗ |
| ERAS Erasca, Inc. | J Other | 2022-07-01 | 2022-07-06 | 750,000 | — | $0 | 0 | SEC↗ |
| ERAS Erasca, Inc. | A Award deriv | 2022-06-22 | 2022-06-24 | 40,000 | — | $0 | 40,000 | SEC↗ |
| ERAS Erasca, Inc. | C Conversion deriv | 2021-07-20 | 2021-07-20 | 180,000 | — | $0 | 0 | SEC↗ |
| ERAS Erasca, Inc. | C Conversion deriv | 2021-07-20 | 2021-07-20 | 900,000 | — | $0 | 0 | SEC↗ |
| ERAS Erasca, Inc. | C Conversion | 2021-07-20 | 2021-07-20 | 150,000 | — | $0 | 337,500 | SEC↗ |
| ERAS Erasca, Inc. | C Conversion | 2021-07-20 | 2021-07-20 | 750,000 | — | $0 | 750,000 | SEC↗ |
| RXDX Ignyta, Inc. | D To issuer deriv | 2018-02-08 | 2018-02-12 | 10,000 | — | $0 | 0 | SEC↗ |
| RXDX Ignyta, Inc. | D To issuer deriv | 2018-02-08 | 2018-02-12 | 15,000 | — | $0 | 0 | SEC↗ |
| RXDX Ignyta, Inc. | D To issuer deriv | 2018-02-08 | 2018-02-12 | 6,666 | — | $0 | 0 | SEC↗ |
| RXDX Ignyta, Inc. | D To issuer deriv | 2018-02-08 | 2018-02-12 | 15,000 | — | $0 | 0 | SEC↗ |
| RXDX Ignyta, Inc. | D To issuer deriv | 2018-02-08 | 2018-02-12 | 24,000 | — | $0 | 0 | SEC↗ |
| RXDX Ignyta, Inc. | D To issuer deriv | 2018-02-08 | 2018-02-12 | 20,000 | — | $0 | 0 | SEC↗ |
| RXDX Ignyta, Inc. | D To issuer | 2018-02-08 | 2018-02-12 | 706,464 | $27.00 | $19.07M | 0 | SEC↗ |
| RXDX Ignyta, Inc. | D To issuer | 2018-02-08 | 2018-02-12 | 100,000 | $27.00 | $2.70M | 0 | SEC↗ |
| RXDX Ignyta, Inc. | A Award deriv | 2017-06-13 | 2017-06-19 | 20,000 | — | $0 | 20,000 | SEC↗ |
| RXDX Ignyta, Inc. | A Award deriv | 2016-06-13 | 2016-06-15 | 15,000 | — | $0 | 15,000 | SEC↗ |
| RXDX Ignyta, Inc. | P Buy | 2016-05-04 | 2016-05-04 | 232,000 | $6.25 | $1.45M | 706,464 | SEC↗ |
| RXDX Ignyta, Inc. | A Award deriv | 2016-03-10 | 2016-03-11 | 15,000 | — | $0 | 15,000 | SEC↗ |
| RXDX Ignyta, Inc. | P Buy | 2015-06-16 | 2015-06-23 | 65,714 | $17.50 | $1.15M | 474,464 | SEC↗ |
| RXDX Ignyta, Inc. | P Buy | 2015-03-17 | 2015-03-18 | 408,750 | $10.00 | $4.09M | 408,750 | SEC↗ |
| DUSA DUSA PHARMACEUTICALS INC | D To issuer deriv | 2012-12-20 | 2012-12-20 | 10,000 | — | $0 | 0 | SEC↗ |
| DUSA DUSA PHARMACEUTICALS INC | D To issuer deriv | 2012-12-20 | 2012-12-20 | 15,000 | — | $0 | 0 | SEC↗ |
| DUSA DUSA PHARMACEUTICALS INC | D To issuer deriv | 2012-12-20 | 2012-12-20 | 10,000 | — | $0 | 0 | SEC↗ |
| DUSA DUSA PHARMACEUTICALS INC | U Tender | 2012-12-20 | 2012-12-20 | 206,000 | $8.00 | $1.65M | 0 | SEC↗ |
| DUSA DUSA PHARMACEUTICALS INC | U Tender | 2012-12-20 | 2012-12-20 | 10,000 | $8.00 | $80.0K | 0 | SEC↗ |
| DUSA DUSA PHARMACEUTICALS INC | A Award | 2012-06-30 | 2012-07-02 | 8,000 | — | $0 | 216,000 | SEC↗ |