Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2022-03-14 Purchase | 2022-03-15 7:00 pm | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 10,000 | $7.7508 | $77,508 | 240,562 (Indirect Direct) | View |
| 2020-05-14 Purchase | 2020-05-14 5:29 pm | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 64,516 | $7.75 | $499,999 | 203,295 (Indirect Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2024-03-05 Option Award(A) | 2024-03-22 4:28 pm | N/A 2028-03-01 | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 167,000 | $0 | 167,000 (Direct) | View |
| 2024-03-05 Option Award | 2024-03-07 4:31 pm | N/A 2034-03-05 | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 304,500 | $0 | 659,978 (Direct) | View |
| 2024-03-05 Tax Withholding | 2024-03-07 4:31 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 6,690 | $4.54 | 659,978 (Direct) | View |
| 2024-03-05 Exercise | 2024-03-07 4:31 pm | N/A 2025-03-05 | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 18,750 | $0 | 659,978 (Direct) | View |
| 2024-03-04 Tax Withholding | 2024-03-06 4:28 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 11,105 | $4.79 | 386,918 (Direct) | View |
| 2024-03-04 Exercise | 2024-03-06 4:28 pm | N/A 2026-03-04 | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 31,125 | $0 | 386,918 (Direct) | View |
| 2024-03-01 Tax Withholding | 2024-03-05 4:40 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 8,559 | $4.95 | 375,898 (Direct) | View |
| 2024-03-01 Exercise | 2024-03-05 4:40 pm | N/A 2027-03-01 | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 23,750 | $0 | 375,898 (Direct) | View |
| 2024-01-29 Tax Withholding | 2024-01-31 4:29 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 5,634 | $4.99 | 289,457 (Direct) | View |
| 2024-01-29 Exercise | 2024-01-31 4:29 pm | N/A 2024-01-29 | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 13,750 | $0 | 289,457 (Direct) | View |
| 2023-03-03 Option Award | 2023-03-07 4:56 pm | N/A 2033-02-28 | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 220,000 | $0 | 632,216 (Direct) | View |
| 2023-03-03 Tax Withholding | 2023-03-07 4:56 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 17,246 | $5.79 | 632,216 (Direct) | View |
| 2023-03-03 Exercise | 2023-03-07 4:56 pm | N/A 2026-03-04 | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 49,875 | $0 | 632,216 (Direct) | View |
| 2023-01-27 Tax Withholding | 2023-01-31 5:31 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 5,600 | $7.5 | 262,462 (Direct) | View |
| 2023-01-27 Exercise | 2023-01-31 5:31 pm | N/A 2024-01-29 | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 13,750 | $0 | 262,462 (Direct) | View |
| 2022-03-04 Option Award | 2022-03-07 7:25 pm | N/A 2032-03-03 | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 290,500 | $0 | 577,312 (Direct) | View |
| 2022-03-05 Tax Withholding | 2022-03-07 7:25 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 6,483 | $8.17 | 577,312 (Direct) | View |
| 2022-03-05 Exercise | 2022-03-07 7:25 pm | N/A 2025-03-05 | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 18,750 | $0 | 577,312 (Direct) | View |
| 2022-01-29 Exercise | 2022-02-01 8:37 pm | N/A 2025-01-29 | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 13,750 | $0 | 245,795 (Direct) | View |
| 2022-01-29 Tax Withholding | 2022-02-01 8:37 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 5,278 | $10.39 | 245,795 (Direct) | View |
| 2021-12-30 Other | 2022-01-03 6:28 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 27,954 | $0 | 237,777 (Indirect) | View |
| 2021-09-24 Exercise | 2021-09-28 6:58 pm | N/A 2021-09-26 | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 25,253 | $0 | 234,051 (Direct) | View |
| 2021-07-01 Gift | 2021-09-28 6:58 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 104,662 | $0 | 234,051 (Direct) | View |
| 2021-09-24 Tax Withholding | 2021-09-28 6:58 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 13,219 | $19.23 | 234,051 (Direct) | View |
| 2021-03-05 Option Award | 2021-03-08 5:20 pm | N/A 2031-03-04 | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 275,000 | $0 | 275,000 (Direct) | View |
| 2021-01-29 Tax Withholding | 2021-02-01 5:56 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 7,061 | $22.15 | 263,267 (Direct) | View |
| 2021-01-29 Exercise | 2021-02-01 5:56 pm | N/A 2024-01-29 | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 13,750 | $0 | 263,267 (Direct) | View |
| 2020-12-09 Option Award | 2020-12-10 8:39 pm | N/A N/A | Vaxcyte Inc. | PCVX | NEWELL WILLIAM J Director | 22,228 | $1.29 | 66,684 (Direct) | View |
| 2020-09-25 Tax Withholding | 2020-09-28 5:57 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 13,219 | $10.3 | 240,581 (Direct) | View |
| 2020-09-25 Exercise | 2020-09-28 5:57 pm | N/A 2021-09-26 | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 25,252 | $0 | 240,581 (Direct) | View |
| 2020-06-11 Option Award | 2020-06-15 6:19 pm | N/A 2030-06-10 | Vaxcyte Inc. | PCVX | NEWELL WILLIAM J Director | 40,000 | $0 | 40,000 (Direct) | View |
Ownership | 2020-06-11 7:54 pm | N/A N/A | Vaxcyte Inc. | PCVX | NEWELL WILLIAM J Director | 0 | $0 | 44,456 (Direct) | View |
| 2020-01-29 Option Award | 2020-01-31 5:20 pm | N/A 2030-01-29 | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 180,000 | $0 | 318,779 (Direct) | View |
| 2019-09-26 Tax Withholding | 2019-09-30 5:26 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 13,219 | $9.74 | 193,291 (Direct) | View |
| 2019-09-26 Exercise | 2019-09-30 5:26 pm | N/A 2021-09-26 | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 25,252 | $0 | 193,291 (Direct) | View |