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 |
| 2021-01-26 Sale | 2021-01-27 5:04 pm | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Scientific Officer | 2,393 | $25.71 | $61,528 | 56,121 (Direct) | View |
| 2020-12-28 Sale | 2020-12-29 5:00 pm | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Scientific Officer | 2,393 | $22.37 | $53,530 | 39,109 (Direct) | View |
| 2020-11-27 Sale | 2020-11-30 5:14 pm | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Scientific Officer | 2,393 | $17.01 | $40,713 | 41,502 (Direct) | View |
| 2020-11-05 Sale | 2020-11-06 5:08 pm | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Scientific Officer | 16,751 | $15 | $251,265 | 43,895 (Direct) | View |
| 2020-09-28 Sale | 2020-09-28 5:55 pm | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Scientific Officer | 975 | $10.26 | $10,007 | 38,549 (Direct) | View |
| 2020-08-26 Sale | 2020-08-27 5:04 pm | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Scientific Officer | 975 | $9.0444 | $8,818 | 16,790 (Direct) | View |
| 2020-07-27 Sale | 2020-07-28 5:08 pm | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Science Officer | 975 | $8.0597 | $7,858 | 17,765 (Direct) | View |
| 2020-06-26 Sale | 2020-06-29 7:23 pm | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Science Officer | 975 | $8.0181 | $7,818 | 18,740 (Direct) | View |
| 2020-05-26 Sale | 2020-05-27 6:38 pm | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Science Officer | 975 | $10 | $9,753 | 19,715 (Direct) | View |
| 2020-04-27 Sale | 2020-04-27 8:24 pm | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Science Officer | 975 | $9.4183 | $9,183 | 20,690 (Direct) | View |
| 2020-03-26 Sale | 2020-03-27 5:32 pm | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Science Officer | 975 | $9.6949 | $9,453 | 21,665 (Direct) | View |
| 2020-02-26 Sale | 2020-02-27 5:34 pm | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Science Officer | 975 | $10.47 | $10,207 | 22,640 (Direct) | View |
| 2020-01-27 Sale | 2020-01-28 4:48 pm | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Science Officer | 975 | $10.51 | $10,250 | 23,615 (Direct) | View |
| 2019-12-26 Sale | 2019-12-27 5:31 pm | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Science Officer | 975 | $11.08 | $10,802 | 24,590 (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 |
| 2023-04-14 Tax Withholding | 2023-04-17 6:53 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Pres. Rsrch & Cf. Sctific Ofcr | 1,296 | $4.4 | 107,868 (Direct) | View |
| 2023-04-14 Exercise | 2023-04-17 6:53 pm | N/A 2025-04-16 | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Pres. Rsrch & Cf. Sctific Ofcr | 3,750 | $0 | 107,868 (Direct) | View |
| 2023-03-03 Tax Withholding | 2023-03-07 4:30 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Pres. Rsrch & Cf. Sctific Ofcr | 7,717 | $5.79 | 242,164 (Direct) | View |
| 2023-03-03 Option Award | 2023-03-07 4:30 pm | N/A 2033-02-28 | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Pres. Rsrch & Cf. Sctific Ofcr | 90,000 | $0 | 242,164 (Direct) | View |
| 2023-03-03 Exercise | 2023-03-07 4:30 pm | N/A 2026-03-04 | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Pres. Rsrch & Cf. Sctific Ofcr | 22,250 | $0 | 242,164 (Direct) | View |
| 2023-01-27 Tax Withholding | 2023-01-31 5:27 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Pres. Rsrch & Cf. Sctific Ofcr | 2,140 | $7.5 | 88,631 (Direct) | View |
| 2023-01-27 Exercise | 2023-01-31 5:27 pm | N/A 2024-01-29 | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Pres. Rsrch & Cf. Sctific Ofcr | 5,250 | $0 | 88,631 (Direct) | View |
| 2022-04-14 Tax Withholding | 2022-04-15 7:19 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Pres. Rsrch & Cf. Sctific Ofcr | 1,296 | $7.26 | 91,521 (Direct) | View |
| 2022-04-14 Exercise | 2022-04-15 7:19 pm | N/A 2025-04-16 | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Pres. Rsrch & Cf. Sctific Ofcr | 3,750 | $0 | 91,521 (Direct) | View |
| 2022-03-04 Option Award | 2022-03-07 7:22 pm | N/A 2032-03-03 | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Pres. Rsrch & Cf. Sctific Ofcr | 91,000 | $0 | 206,317 (Direct) | View |
| 2022-03-05 Tax Withholding | 2022-03-07 7:22 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Pres. Rsrch & Cf. Sctific Ofcr | 4,278 | $8.17 | 206,317 (Direct) | View |
| 2022-03-05 Exercise | 2022-03-07 7:22 pm | N/A 2025-03-05 | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Pres. Rsrch & Cf. Sctific Ofcr | 12,500 | $0 | 206,317 (Direct) | View |
| 2022-01-29 Tax Withholding | 2022-02-01 8:34 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Pres. Rsrch & Cf. Sctific Ofcr | 2,151 | $10.39 | 80,095 (Direct) | View |
| 2022-01-29 Exercise | 2022-02-01 8:34 pm | N/A 2025-01-29 | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Pres. Rsrch & Cf. Sctific Ofcr | 5,250 | $0 | 80,095 (Direct) | View |
| 2021-09-24 Tax Withholding | 2021-09-28 6:55 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Pres. Rsrch & Cf. Sctific Ofcr | 3,810 | $19.23 | 66,496 (Direct) | View |
| 2021-09-24 Exercise | 2021-09-28 6:55 pm | N/A 2021-09-26 | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Pres. Rsrch & Cf. Sctific Ofcr | 11,019 | $0 | 66,496 (Direct) | View |
| 2021-04-16 Option Award | 2021-04-20 5:38 pm | N/A 2031-04-15 | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Pres. Rsrch & Cf. Sctific Ofcr | 35,000 | $0 | 35,000 (Direct) | View |
| 2021-03-05 Option Award | 2021-03-08 5:19 pm | N/A 2031-03-04 | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Scientific Officer | 110,000 | $0 | 110,000 (Direct) | View |
| 2021-01-29 Tax Withholding | 2021-02-01 5:55 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Scientific Officer | 2,080 | $22.15 | 75,037 (Direct) | View |
| 2021-01-29 Exercise | 2021-02-01 5:55 pm | N/A 2024-01-29 | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Scientific Officer | 5,250 | $0 | 75,037 (Direct) | View |
| 2021-01-26 Exercise | 2021-01-27 5:04 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Scientific Officer | 2,393 | $4.36 | 56,121 (Direct) | View |
| 2021-01-26 Exercise | 2021-01-27 5:04 pm | N/A 2021-02-08 | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Scientific Officer | 2,393 | $0 | 56,121 (Direct) | View |
| 2021-01-14 Exercise | 2021-01-15 6:10 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Scientific Officer | 19,405 | $4.36 | 56,117 (Direct) | View |
| 2021-01-14 Exercise | 2021-01-15 6:10 pm | N/A 2022-09-19 | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Scientific Officer | 19,405 | $0 | 56,117 (Direct) | View |
| 2020-12-28 Exercise | 2020-12-29 5:00 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Scientific Officer | 2,393 | $4.36 | 39,109 (Direct) | View |
| 2020-12-28 Exercise | 2020-12-29 5:00 pm | N/A 2021-02-08 | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Scientific Officer | 2,393 | $0 | 39,109 (Direct) | View |
| 2020-11-27 Exercise | 2020-11-30 5:14 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Scientific Officer | 2,393 | $4.36 | 41,502 (Direct) | View |
| 2020-11-27 Exercise | 2020-11-30 5:14 pm | N/A 2021-02-08 | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Scientific Officer | 2,393 | $0 | 41,502 (Direct) | View |
| 2020-11-05 Exercise | 2020-11-06 5:08 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Scientific Officer | 16,751 | $4.36 | 43,895 (Direct) | View |
| 2020-11-05 Exercise | 2020-11-06 5:08 pm | N/A 2021-02-08 | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Scientific Officer | 16,751 | $0 | 43,895 (Direct) | View |
| 2020-10-05 Exercise | 2020-10-06 4:54 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Scientific Officer | 9,182 | $4.36 | 60,646 (Direct) | View |
| 2020-10-05 Exercise | 2020-10-06 4:54 pm | N/A 2021-02-08 | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Scientific Officer | 9,182 | $0 | 60,646 (Direct) | View |
| 2020-09-25 Tax Withholding | 2020-09-28 5:55 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Scientific Officer | 6,191 | $10.3 | 38,549 (Direct) | View |
| 2020-09-25 Exercise | 2020-09-28 5:55 pm | N/A 2021-09-26 | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Scientific Officer | 17,906 | $0 | 38,549 (Direct) | View |
| 2020-01-29 Option Award | 2020-01-31 5:17 pm | N/A 2030-01-29 | SUTRO BIOPHARMA INC. | STRO | Hallam Trevor Chief Science Officer | 68,500 | $0 | 68,500 (Direct) | View |