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>>
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2025-04-11 Exercise | 2025-04-15 4:09 pm | N/A 2026-04-11 | SUTRO BIOPHARMA INC. | STRO | Srinivasan Venkatesh CHIEF TECH OP OFFICER | 21,250 | $0 | 73,330 (Direct) | View |
| 2025-04-11 Tax Withholding | 2025-04-15 4:09 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Srinivasan Venkatesh CHIEF TECH OP OFFICER | 7,603 | $0.6 | 73,330 (Direct) | View |
| 2025-04-04 Option Award | 2025-04-08 4:12 pm | N/A 2035-04-04 | SUTRO BIOPHARMA INC. | STRO | Chung Jane Chief Executive Officer | 930,000 | $0 | 930,000 (Direct) | View |
| 2025-04-04 Option Award | 2025-04-08 4:11 pm | N/A 2035-04-04 | SUTRO BIOPHARMA INC. | STRO | Gerber Hans-Peter CHIEF SCIENTIFIC OFFICER | 236,250 | $0 | 236,250 (Direct) | View |
| 2025-04-04 Option Award | 2025-04-08 4:09 pm | N/A 2035-04-04 | SUTRO BIOPHARMA INC. | STRO | Leyman Barbara Chief Business Dev. Officer | 175,500 | $0 | 175,500 (Direct) | View |
| 2025-04-04 Option Award | 2025-04-08 4:07 pm | N/A 2035-04-04 | SUTRO BIOPHARMA INC. | STRO | Srinivasan Venkatesh CHIEF TECH OP OFFICER | 195,750 | $0 | 195,750 (Direct) | View |
| 2025-04-04 Option Award | 2025-04-08 4:05 pm | N/A 2035-04-04 | SUTRO BIOPHARMA INC. | STRO | Pauling David Chief Admin. Ofcr. & GC | 195,750 | $0 | 195,750 (Direct) | View |
Ownership | 2025-04-08 4:03 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Pauling David Chief Admin. Ofcr. & GC | 0 | $0 | 320,233 (Direct) | View |
| 2025-03-05 Tax Withholding | 2025-03-07 4:14 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 6,708 | $1.36 | 409,056 (Direct) | View |
| 2025-03-05 Exercise | 2025-03-07 4:14 pm | N/A 2025-03-05 | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 18,750 | $0 | 409,056 (Direct) | View |
| 2025-03-05 Tax Withholding | 2025-03-07 4:12 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | FITZPATRICK LINDA A CHIEF PEOPLE & COMM. OFFICER | 3,594 | $1.36 | 105,816 (Direct) | View |
| 2025-03-05 Exercise | 2025-03-07 4:12 pm | N/A 2025-03-05 | SUTRO BIOPHARMA INC. | STRO | FITZPATRICK LINDA A CHIEF PEOPLE & COMM. OFFICER | 8,750 | $0 | 105,816 (Direct) | View |
| 2025-03-05 Tax Withholding | 2025-03-07 4:11 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | ALBINI EDWARD C CFO AND SECRETARY | 3,594 | $1.36 | 132,081 (Direct) | View |
| 2025-03-05 Exercise | 2025-03-07 4:11 pm | N/A 2025-03-05 | SUTRO BIOPHARMA INC. | STRO | ALBINI EDWARD C CFO AND SECRETARY | 8,750 | $0 | 132,081 (Direct) | View |
| 2025-03-04 Tax Withholding | 2025-03-06 4:14 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | ALBINI EDWARD C CFO AND SECRETARY | 3,748 | $1.42 | 136,050 (Direct) | View |
| 2025-03-04 Exercise | 2025-03-06 4:14 pm | N/A 2026-03-04 | SUTRO BIOPHARMA INC. | STRO | ALBINI EDWARD C CFO AND SECRETARY | 9,125 | $0 | 136,050 (Direct) | View |
| 2025-03-04 Tax Withholding | 2025-03-06 4:12 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | FITZPATRICK LINDA A CHIEF PEOPLE & COMM. OFFICER | 3,748 | $1.42 | 109,785 (Direct) | View |
| 2025-03-04 Exercise | 2025-03-06 4:12 pm | N/A 2026-03-04 | SUTRO BIOPHARMA INC. | STRO | FITZPATRICK LINDA A CHIEF PEOPLE & COMM. OFFICER | 9,125 | $0 | 109,785 (Direct) | View |
| 2025-03-04 Tax Withholding | 2025-03-06 4:09 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 11,136 | $1.42 | 428,139 (Direct) | View |
| 2025-03-04 Exercise | 2025-03-06 4:09 pm | N/A 2026-03-04 | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 31,125 | $0 | 428,139 (Direct) | View |
| 2025-03-04 Tax Withholding | 2025-03-06 4:06 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Chung Jane PRESIDENT AND COO | 2,334 | $1.42 | 106,183 (Direct) | View |
| 2025-03-04 Exercise | 2025-03-06 4:06 pm | N/A 2026-03-04 | SUTRO BIOPHARMA INC. | STRO | Chung Jane PRESIDENT AND COO | 7,875 | $0 | 106,183 (Direct) | View |
| 2025-03-01 Tax Withholding | 2025-03-04 6:44 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | ALBINI EDWARD C CFO AND SECRETARY | 10,320 | $1.59 | 189,048 (Direct) | View |
| 2025-03-01 Exercise | 2025-03-04 6:44 pm | N/A 2027-03-01 | SUTRO BIOPHARMA INC. | STRO | ALBINI EDWARD C CFO AND SECRETARY | 25,125 | $0 | 189,048 (Direct) | View |
| 2025-03-01 Tax Withholding | 2025-03-04 6:42 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Chung Jane PRESIDENT AND COO | 9,450 | $1.59 | 181,517 (Direct) | View |
| 2025-03-01 Exercise | 2025-03-04 6:42 pm | N/A 2027-03-01 | SUTRO BIOPHARMA INC. | STRO | Chung Jane PRESIDENT AND COO | 31,875 | $0 | 181,517 (Direct) | View |
| 2025-03-01 Tax Withholding | 2025-03-04 6:40 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | FITZPATRICK LINDA A CHIEF PEOPLE & COMM. OFFICER | 8,327 | $1.59 | 149,233 (Direct) | View |
| 2025-03-01 Exercise | 2025-03-04 6:40 pm | N/A 2027-03-01 | SUTRO BIOPHARMA INC. | STRO | FITZPATRICK LINDA A CHIEF PEOPLE & COMM. OFFICER | 20,275 | $0 | 149,233 (Direct) | View |
| 2025-03-01 Tax Withholding | 2025-03-04 6:34 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Gerber Hans-Peter CHIEF SCIENTIFIC OFFICER | 4,621 | $1.59 | 64,499 (Direct) | View |
| 2025-03-01 Exercise | 2025-03-04 6:34 pm | N/A 2028-03-01 | SUTRO BIOPHARMA INC. | STRO | Gerber Hans-Peter CHIEF SCIENTIFIC OFFICER | 11,250 | $0 | 64,499 (Direct) | View |
| 2025-03-01 Tax Withholding | 2025-03-04 6:32 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 25,203 | $1.59 | 549,775 (Direct) | View |
| 2025-03-01 Exercise | 2025-03-04 6:32 pm | N/A 2027-03-01 | SUTRO BIOPHARMA INC. | STRO | NEWELL WILLIAM J CEO | 65,500 | $0 | 549,775 (Direct) | View |
| 2025-03-01 Tax Withholding | 2025-03-04 5:58 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Srinivasan Venkatesh CHIEF TECH OP OFFICER | 4,672 | $1.59 | 67,558 (Direct) | View |
| 2025-03-01 Exercise | 2025-03-04 5:58 pm | N/A 2027-03-01 | SUTRO BIOPHARMA INC. | STRO | Srinivasan Venkatesh CHIEF TECH OP OFFICER | 11,375 | $0 | 67,558 (Direct) | View |
| 2025-02-28 Tax Withholding | 2025-03-04 5:57 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Borgman Anne Elizabeth CHIEF MEDICAL OFFICER | 20,026 | $1.59 | 161,848 (Direct) | View |
| 2025-02-28 Exercise | 2025-03-04 5:57 pm | N/A 2027-02-28 | SUTRO BIOPHARMA INC. | STRO | Borgman Anne Elizabeth CHIEF MEDICAL OFFICER | 48,750 | $0 | 161,848 (Direct) | View |
| 2024-12-01 Exercise | 2024-12-03 4:09 pm | N/A 2027-12-01 | SUTRO BIOPHARMA INC. | STRO | Chung Jane PRESIDENT AND COO | 25,000 | $0 | 145,342 (Direct) | View |
| 2024-12-01 Tax Withholding | 2024-12-03 4:09 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Chung Jane PRESIDENT AND COO | 8,920 | $2.69 | 145,342 (Direct) | View |
| 2024-09-18 Exercise | 2024-09-20 4:09 pm | N/A 2027-09-18 | SUTRO BIOPHARMA INC. | STRO | Gerber Hans-Peter CHIEF SCIENTIFIC OFFICER | 37,500 | $0 | 136,620 (Direct) | View |
| 2024-09-18 Tax Withholding | 2024-09-20 4:09 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Gerber Hans-Peter CHIEF SCIENTIFIC OFFICER | 13,380 | $3.95 | 136,620 (Direct) | View |
| 2024-08-09 Tax Withholding | 2024-08-13 4:16 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Chung Jane PRESIDENT AND COO | 6,689 | $3.12 | 73,012 (Direct) | View |
| 2024-08-09 Exercise | 2024-08-13 4:16 pm | N/A 2025-08-09 | SUTRO BIOPHARMA INC. | STRO | Chung Jane PRESIDENT AND COO | 18,750 | $0 | 73,012 (Direct) | View |
| 2024-08-08 Option Award | 2024-08-12 4:40 pm | N/A 2034-08-08 | SUTRO BIOPHARMA INC. | STRO | Jagpal Sukhi Director | 63,959 | $0 | 63,959 (Direct) | View |
| 2024-07-08 Option Award | 2024-07-10 4:11 pm | N/A 2034-07-08 | SUTRO BIOPHARMA INC. | STRO | Leyman Barbara Chief Business Dev. Officer | 225,000 | $0 | 225,000 (Direct) | View |
| 2024-06-06 Option Award | 2024-06-10 4:31 pm | N/A 2034-06-06 | SUTRO BIOPHARMA INC. | STRO | Wigginton Jon Marc Director | 35,000 | $0 | 35,000 (Direct) | View |
| 2024-06-06 Option Award | 2024-06-10 4:29 pm | N/A 2034-06-06 | SUTRO BIOPHARMA INC. | STRO | Petree Daniel H Director | 35,000 | $0 | 35,000 (Direct) | View |
| 2024-06-06 Option Award | 2024-06-10 4:28 pm | N/A 2034-06-06 | SUTRO BIOPHARMA INC. | STRO | PANEK JAMES P Director | 35,000 | $0 | 35,000 (Direct) | View |
| 2024-06-06 Option Award | 2024-06-10 4:26 pm | N/A 2034-06-06 | SUTRO BIOPHARMA INC. | STRO | MATSUI CONNIE Director | 35,000 | $0 | 35,000 (Direct) | View |
| 2024-06-06 Option Award | 2024-06-10 4:24 pm | N/A 2034-06-06 | SUTRO BIOPHARMA INC. | STRO | Lobacki Joseph M Director | 35,000 | $0 | 35,000 (Direct) | View |
| 2024-06-06 Option Award | 2024-06-10 4:22 pm | N/A 2034-06-06 | SUTRO BIOPHARMA INC. | STRO | Hunter Heidi Director | 35,000 | $0 | 35,000 (Direct) | View |
| 2024-06-06 Option Award | 2024-06-10 4:21 pm | N/A 2034-06-06 | SUTRO BIOPHARMA INC. | STRO | Freund John Gordon Director | 35,000 | $0 | 35,000 (Direct) | View |
| 2024-06-06 Option Award | 2024-06-10 4:19 pm | N/A 2034-06-06 | SUTRO BIOPHARMA INC. | STRO | Dybbs Michael Director | 35,000 | $0 | 35,000 (Direct) | View |
| 2024-05-01 Tax Withholding | 2024-05-03 4:21 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Srinivasan Venkatesh CHIEF TECH OP OFFICER | 892 | $3.74 | 39,230 (Direct) | View |
| 2024-05-01 Exercise | 2024-05-03 4:21 pm | N/A 2027-05-01 | SUTRO BIOPHARMA INC. | STRO | Srinivasan Venkatesh CHIEF TECH OP OFFICER | 2,500 | $0 | 39,230 (Direct) | View |
| 2024-04-11 Tax Withholding | 2024-04-12 5:59 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Srinivasan Venkatesh CHIEF TECH OP OFFICER | 7,582 | $4.5 | 72,622 (Direct) | View |
| 2024-04-11 Exercise | 2024-04-12 5:59 pm | N/A 2026-04-11 | SUTRO BIOPHARMA INC. | STRO | Srinivasan Venkatesh CHIEF TECH OP OFFICER | 21,250 | $0 | 72,622 (Direct) | View |
| 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(A) | 2024-03-22 4:22 pm | N/A 2028-03-01 | SUTRO BIOPHARMA INC. | STRO | FITZPATRICK LINDA A CHIEF PEOPLE & COMM. OFFICER | 37,100 | $0 | 37,100 (Direct) | View |