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.
"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 |
2021-09-24 Sale | 2021-09-28 6:59 pm | SUTRO BIOPHARMA Inc | STRO | Vasquez Nicki Chief Port. Strat & Alnce Ofcr | 3,906 | $18.62 | $72,724 | 7,270 (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 |
2022-06-06 Option Award | 2022-06-08 7:11 pm | N/A 2032-06-05 | SUTRO BIOPHARMA Inc | STRO | Wigginton Jon Marc Director | 18,500 | $0 | 18,500 (Direct) | View |
2022-06-06 Option Award | 2022-06-08 7:10 pm | N/A 2032-06-05 | SUTRO BIOPHARMA Inc | STRO | Sharp Shalini Director | 18,500 | $0 | 18,500 (Direct) | View |
2022-06-06 Option Award | 2022-06-08 7:09 pm | N/A 2032-06-05 | SUTRO BIOPHARMA Inc | STRO | Petree Daniel H Director | 18,500 | $0 | 18,500 (Direct) | View |
2022-06-06 Option Award | 2022-06-08 7:08 pm | N/A 2032-06-05 | SUTRO BIOPHARMA Inc | STRO | PANEK JAMES P Director | 18,500 | $0 | 18,500 (Direct) | View |
2022-06-06 Option Award | 2022-06-08 7:07 pm | N/A 2032-06-05 | SUTRO BIOPHARMA Inc | STRO | MATSUI CONNIE Director | 18,500 | $0 | 18,500 (Direct) | View |
2022-06-06 Option Award | 2022-06-08 7:05 pm | N/A 2032-06-05 | SUTRO BIOPHARMA Inc | STRO | Dybbs Michael Director | 18,500 | $0 | 18,500 (Direct) | View |
2022-06-06 Option Award | 2022-06-08 7:04 pm | N/A 2032-06-05 | SUTRO BIOPHARMA Inc | STRO | Hunter Heidi Director | 18,500 | $0 | 18,500 (Direct) | View |
2022-06-06 Option Award | 2022-06-08 7:02 pm | N/A 2032-06-05 | SUTRO BIOPHARMA Inc | STRO | Lobacki Joseph M Director | 18,500 | $0 | 18,500 (Direct) | View |
2022-06-06 Option Award | 2022-06-08 7:01 pm | N/A 2032-06-05 | SUTRO BIOPHARMA Inc | STRO | Freund John Gordon Director | 18,500 | $0 | 18,500 (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 |
2022-04-14 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 |
2022-03-04 Option Award | 2022-03-07 7:33 pm | N/A 2032-03-03 | SUTRO BIOPHARMA Inc | STRO | Chung Jane Chief Commercial Officer | 73,500 | $0 | 73,500 (Direct) | View |
2022-03-04 Option Award | 2022-03-07 7:28 pm | N/A 2032-03-03 | SUTRO BIOPHARMA Inc | STRO | FITZPATRICK LINDA A Chief People & Comm. Officer | 78,500 | $0 | 151,457 (Direct) | View |
2022-03-04 Exercise | 2022-03-07 7:28 pm | N/A 2025-03-05 | SUTRO BIOPHARMA Inc | STRO | FITZPATRICK LINDA A Chief People & Comm. Officer | 8,750 | $0 | 151,457 (Direct) | View |
2022-03-04 Tax Withholding | 2022-03-07 7:28 pm | N/A N/A | SUTRO BIOPHARMA Inc | STRO | FITZPATRICK LINDA A Chief People & Comm. Officer | 2,972 | $8.17 | 151,457 (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 |
2022-03-04 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 |
2022-03-04 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 |
2022-03-04 Option Award | 2022-03-07 7:23 pm | N/A 2032-03-03 | SUTRO BIOPHARMA Inc | STRO | Vasquez Nicki Chief Port. Strat & Alnce Ofcr | 63,000 | $0 | 91,493 (Direct) | View |
2022-03-04 Exercise | 2022-03-07 7:23 pm | N/A 2025-03-05 | SUTRO BIOPHARMA Inc | STRO | Vasquez Nicki Chief Port. Strat & Alnce Ofcr | 5,500 | $0 | 91,493 (Direct) | View |
2022-03-04 Tax Withholding | 2022-03-07 7:23 pm | N/A N/A | SUTRO BIOPHARMA Inc | STRO | Vasquez Nicki Chief Port. Strat & Alnce Ofcr | 2,253 | $8.17 | 91,493 (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 |
2022-03-04 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 |
2022-03-04 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 |
2022-03-04 Option Award | 2022-03-07 7:20 pm | N/A 2032-03-03 | SUTRO BIOPHARMA Inc | STRO | MOLINA ARTURO MD Chief Medical Officer | 91,000 | $0 | 166,236 (Direct) | View |
2022-03-04 Exercise | 2022-03-07 7:20 pm | N/A 2025-03-05 | SUTRO BIOPHARMA Inc | STRO | MOLINA ARTURO MD Chief Medical Officer | 12,500 | $0 | 166,236 (Direct) | View |
2022-03-04 Tax Withholding | 2022-03-07 7:20 pm | N/A N/A | SUTRO BIOPHARMA Inc | STRO | MOLINA ARTURO MD Chief Medical Officer | 4,355 | $8.17 | 166,236 (Direct) | View |
2022-03-04 Option Award | 2022-03-07 7:18 pm | N/A 2032-03-03 | SUTRO BIOPHARMA Inc | STRO | Shabbir Anik CTO | 73,500 | $0 | 127,509 (Direct) | View |
2022-03-04 Exercise | 2022-03-07 7:18 pm | N/A 2025-03-05 | SUTRO BIOPHARMA Inc | STRO | Shabbir Anik CTO | 8,750 | $0 | 127,509 (Direct) | View |
2022-03-04 Tax Withholding | 2022-03-07 7:18 pm | N/A N/A | SUTRO BIOPHARMA Inc | STRO | Shabbir Anik CTO | 3,200 | $8.17 | 127,509 (Direct) | View |
2022-03-04 Option Award | 2022-03-07 7:09 pm | N/A 2032-03-03 | SUTRO BIOPHARMA Inc | STRO | ALBINI EDWARD C CFO | 78,500 | $0 | 132,348 (Direct) | View |
2022-03-04 Exercise | 2022-03-07 7:09 pm | N/A 2025-03-05 | SUTRO BIOPHARMA Inc | STRO | ALBINI EDWARD C CFO | 8,750 | $0 | 132,348 (Direct) | View |
2022-03-04 Tax Withholding | 2022-03-07 7:09 pm | N/A N/A | SUTRO BIOPHARMA Inc | STRO | ALBINI EDWARD C CFO | 3,145 | $8.17 | 132,348 (Direct) | View |
2022-02-08 Exercise | 2022-02-09 6:28 pm | N/A N/A | SUTRO BIOPHARMA Inc | STRO | Petree Daniel H Director | 7,115 | $5.81 | 22,457 (Direct) | View |
2022-02-08 Exercise | 2022-02-09 6:28 pm | N/A 2022-04-17 | SUTRO BIOPHARMA Inc | STRO | Petree Daniel H Director | 14,277 | $0 | 22,457 (Direct) | View |
2022-02-08 Exercise | 2022-02-09 6:28 pm | N/A N/A | SUTRO BIOPHARMA Inc | STRO | Petree Daniel H Director | 7,162 | $4.36 | 22,457 (Direct) | View |
2022-01-29 Tax Withholding | 2022-02-01 8:40 pm | N/A N/A | SUTRO BIOPHARMA Inc | STRO | FITZPATRICK LINDA A Chief People & Comm. Officer | 3,380 | $10.39 | 57,429 (Direct) | View |
2022-01-29 Exercise | 2022-02-01 8:40 pm | N/A 2025-01-29 | SUTRO BIOPHARMA Inc | STRO | FITZPATRICK LINDA A Chief People & Comm. Officer | 8,250 | $0 | 57,429 (Direct) | View |
2022-01-29 Tax Withholding | 2022-02-01 8:39 pm | N/A N/A | SUTRO BIOPHARMA Inc | STRO | Vasquez Nicki Chief Port. Strat & Alnce Ofcr | 1,024 | $10.39 | 13,746 (Direct) | View |
2022-01-29 Exercise | 2022-02-01 8:39 pm | N/A 2025-01-29 | SUTRO BIOPHARMA Inc | STRO | Vasquez Nicki Chief Port. Strat & Alnce Ofcr | 2,500 | $0 | 13,746 (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 |
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 8:36 pm | N/A N/A | SUTRO BIOPHARMA Inc | STRO | MOLINA ARTURO MD Chief Medical Officer | 2,151 | $10.39 | 40,091 (Direct) | View |
2022-01-29 Exercise | 2022-02-01 8:36 pm | N/A 2025-01-29 | SUTRO BIOPHARMA Inc | STRO | MOLINA ARTURO MD Chief Medical Officer | 5,250 | $0 | 40,091 (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 |
2022-01-29 Tax Withholding | 2022-02-01 8:32 pm | N/A N/A | SUTRO BIOPHARMA Inc | STRO | Shabbir Anik CTO | 1,844 | $10.39 | 31,209 (Direct) | View |
2022-01-29 Exercise | 2022-02-01 8:32 pm | N/A 2025-01-29 | SUTRO BIOPHARMA Inc | STRO | Shabbir Anik CTO | 9,000 | $0 | 31,209 (Direct) | View |
2022-01-29 Tax Withholding | 2022-02-01 8:31 pm | N/A N/A | SUTRO BIOPHARMA Inc | STRO | ALBINI EDWARD C CFO | 2,151 | $10.39 | 32,493 (Direct) | View |
2022-01-29 Exercise | 2022-02-01 8:31 pm | N/A 2025-01-29 | SUTRO BIOPHARMA Inc | STRO | ALBINI EDWARD C CFO | 5,250 | $0 | 32,493 (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 |
2021-11-19 Option Award | 2021-11-22 5:29 pm | N/A 2031-11-18 | SUTRO BIOPHARMA Inc | STRO | Hunter Heidi Director | 33,884 | $0 | 33,884 (Direct) | View |
2021-11-19 Ownership | 2021-11-22 5:27 pm | N/A N/A | SUTRO BIOPHARMA Inc | STRO | Hunter Heidi Director | 0 | $0 | 0 (Direct) | View |
2021-09-24 Exercise | 2021-09-28 6:59 pm | N/A 2021-09-26 | SUTRO BIOPHARMA Inc | STRO | Vasquez Nicki Chief Port. Strat & Alnce Ofcr | 5,969 | $0 | 7,270 (Direct) | View |
2021-09-24 Tax Withholding | 2021-09-28 6:59 pm | N/A N/A | SUTRO BIOPHARMA Inc | STRO | Vasquez Nicki Chief Port. Strat & Alnce Ofcr | 2,063 | $19.23 | 7,270 (Direct) | 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 |
2021-09-24 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 |
2021-09-24 Exercise | 2021-09-28 6:57 pm | N/A 2021-09-26 | SUTRO BIOPHARMA Inc | STRO | MOLINA ARTURO MD Chief Medical Officer | 8,609 | $0 | 26,492 (Direct) | View |
2021-09-24 Tax Withholding | 2021-09-28 6:57 pm | N/A N/A | SUTRO BIOPHARMA Inc | STRO | MOLINA ARTURO MD Chief Medical Officer | 2,976 | $19.23 | 26,492 (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 |
2021-09-24 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 | FITZPATRICK LINDA A Chief People & Comm. Officer | 7,576 | $0 | 36,059 (Direct) | View |
2021-09-24 Tax Withholding | 2021-09-28 6:55 pm | N/A N/A | SUTRO BIOPHARMA Inc | STRO | FITZPATRICK LINDA A Chief People & Comm. Officer | 2,619 | $19.23 | 36,059 (Direct) | View |
2021-09-24 Exercise | 2021-09-28 6:53 pm | N/A 2021-09-26 | SUTRO BIOPHARMA Inc | STRO | Shabbir Anik CTO | 8,609 | $0 | 19,553 (Direct) | View |
2021-09-24 Tax Withholding | 2021-09-28 6:53 pm | N/A N/A | SUTRO BIOPHARMA Inc | STRO | Shabbir Anik CTO | 2,976 | $19.23 | 19,553 (Direct) | View |
2021-09-24 Exercise | 2021-09-28 6:53 pm | N/A 2021-09-26 | SUTRO BIOPHARMA Inc | STRO | ALBINI EDWARD C CFO | 7,174 | $0 | 18,894 (Direct) | View |
2021-09-24 Tax Withholding | 2021-09-28 6:53 pm | N/A N/A | SUTRO BIOPHARMA Inc | STRO | ALBINI EDWARD C CFO | 2,480 | $19.23 | 18,894 (Direct) | View |
2021-08-09 Ownership | 2021-08-11 5:22 pm | N/A N/A | SUTRO BIOPHARMA Inc | STRO | Vasquez Nicki Chief Port. Strat & Alnce Ofcr | 0 | $0 | 298,990 (Direct) | View |
2021-08-09 Option Award | 2021-08-11 5:21 pm | N/A 2031-08-08 | SUTRO BIOPHARMA Inc | STRO | Chung Jane Chief Commercial Officer | 235,000 | $0 | 235,000 (Direct) | View |
2021-08-09 Ownership | 2021-08-11 5:18 pm | N/A N/A | SUTRO BIOPHARMA Inc | STRO | Chung Jane Chief Commercial Officer | 0 | $0 | 0 (Direct) | View |