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 |
| 2025-06-06 Option Award | 2025-06-10 4:14 pm | N/A 2035-06-06 | SUTRO BIOPHARMA INC. | STRO | Wigginton Jon Marc Director | 50,000 | $0 | 50,000 (Direct) | View |
| 2025-06-06 Option Award | 2025-06-10 4:13 pm | N/A 2035-06-06 | SUTRO BIOPHARMA INC. | STRO | Petree Daniel H Director | 50,000 | $0 | 50,000 (Direct) | View |
| 2025-06-06 Option Award | 2025-06-10 4:12 pm | N/A 2035-06-06 | SUTRO BIOPHARMA INC. | STRO | PANEK JAMES P Director | 50,000 | $0 | 50,000 (Direct) | View |
| 2025-06-06 Option Award | 2025-06-10 4:12 pm | N/A 2035-06-06 | SUTRO BIOPHARMA INC. | STRO | MATSUI CONNIE Director | 50,000 | $0 | 50,000 (Direct) | View |
| 2025-06-06 Option Award | 2025-06-10 4:11 pm | N/A 2035-06-06 | SUTRO BIOPHARMA INC. | STRO | Lobacki Joseph M Director | 50,000 | $0 | 50,000 (Direct) | View |
| 2025-06-06 Option Award | 2025-06-10 4:10 pm | N/A 2035-06-06 | SUTRO BIOPHARMA INC. | STRO | Jagpal Sukhi Director | 50,000 | $0 | 50,000 (Direct) | View |
| 2025-06-06 Option Award | 2025-06-10 4:09 pm | N/A 2035-06-06 | SUTRO BIOPHARMA INC. | STRO | Hunter Heidi Director | 50,000 | $0 | 50,000 (Direct) | View |
| 2025-06-06 Option Award | 2025-06-10 4:08 pm | N/A 2035-06-06 | SUTRO BIOPHARMA INC. | STRO | Dybbs Michael Director | 50,000 | $0 | 50,000 (Direct) | View |
| 2025-06-02 Option Award | 2025-06-02 4:27 pm | N/A 2035-06-02 | SUTRO BIOPHARMA INC. | STRO | Chow Gregory K. CFO | 375,000 | $0 | 375,000 (Direct) | View |
| 2025-05-15 Tax Withholding | 2025-05-19 4:11 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | ALBINI EDWARD C CFO AND SECRETARY | 15,995 | $0.88 | 192,711 (Direct) | View |
| 2025-05-15 Exercise | 2025-05-19 4:11 pm | N/A 2028-03-01 | SUTRO BIOPHARMA INC. | STRO | ALBINI EDWARD C CFO AND SECRETARY | 44,719 | $0 | 192,711 (Direct) | View |
| 2025-05-01 Tax Withholding | 2025-05-05 5:48 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | FITZPATRICK LINDA A CHIEF PEOPLE & COMM. OFFICER | 13,538 | $1.07 | 155,353 (Direct) | View |
| 2025-05-01 Exercise | 2025-05-05 5:48 pm | N/A 2026-03-04 | SUTRO BIOPHARMA INC. | STRO | FITZPATRICK LINDA A CHIEF PEOPLE & COMM. OFFICER | 37,849 | $0 | 155,353 (Direct) | View |
| 2025-05-01 Tax Withholding | 2025-05-05 5:46 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Srinivasan Venkatesh CHIEF TECH OP OFFICER | 894 | $1.07 | 58,686 (Direct) | View |
| 2025-05-01 Exercise | 2025-05-05 5:46 pm | N/A 2027-05-01 | SUTRO BIOPHARMA INC. | STRO | Srinivasan Venkatesh CHIEF TECH OP OFFICER | 2,500 | $0 | 58,686 (Direct) | View |
| 2025-05-01 Tax Withholding | 2025-05-05 5:45 pm | N/A N/A | SUTRO BIOPHARMA INC. | STRO | Borgman Anne Elizabeth CHIEF MEDICAL OFFICER | 24,709 | $1.07 | 137,139 (Direct) | View |
| 2025-05-01 Exercise | 2025-05-05 5:45 pm | N/A 2027-02-28 | SUTRO BIOPHARMA INC. | STRO | Borgman Anne Elizabeth CHIEF MEDICAL OFFICER | 69,063 | $0 | 137,139 (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 |
| 2025-04-11 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 |
| 2025-04-04 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 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 4:14 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 4:12 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 4:12 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 4:11 pm | N/A 2025-03-05 | SUTRO BIOPHARMA INC. | STRO | ALBINI EDWARD C CFO AND SECRETARY | 8,750 | $0 | 132,081 (Direct) | View |
| 2025-03-05 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 |
| 2025-03-04 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 |