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 |
| 2025-04-04 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 |
| 2025-03-04 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 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 6:42 pm |
N/A N/A |
SUTRO BIOPHARMA INC. | STRO | Chung Jane PRESIDENT AND COO |
9,450 | $1.59 | 181,517 (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 |
| 2024-08-09 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 |
| 2024-06-20 Option Award |
2024-06-24 7:48 pm |
N/A 2034-06-20 |
Viracta Therapeutics Inc. | VIRX | Chung Jane Director |
50,000 | $0 | 50,000 (Direct) |
View |
| 2024-03-05 Option Award |
2024-03-07 4:26 pm |
N/A 2034-03-05 |
SUTRO BIOPHARMA INC. | STRO | Chung Jane PRESIDENT AND COO |
150,000 | $0 | 150,000 (Direct) |
View |
| 2024-03-04 Tax Withholding |
2024-03-06 4:21 pm |
N/A N/A |
SUTRO BIOPHARMA INC. | STRO | Chung Jane PRESIDENT AND COO |
2,209 | $4.79 | 57,951 (Direct) |
View |
| 2024-03-04 Exercise |
2024-03-06 4:21 pm |
N/A 2026-03-04 |
SUTRO BIOPHARMA INC. | STRO | Chung Jane PRESIDENT AND COO |
7,875 | $0 | 57,951 (Direct) |
View |
| 2024-03-01 Tax Withholding |
2024-03-05 4:32 pm |
N/A N/A |
SUTRO BIOPHARMA INC. | STRO | Chung Jane PRESIDENT AND COO |
2,038 | $4.95 | 57,160 (Direct) |
View |
| 2024-03-01 Exercise |
2024-03-05 4:32 pm |
N/A 2027-03-01 |
SUTRO BIOPHARMA INC. | STRO | Chung Jane PRESIDENT AND COO |
6,875 | $0 | 57,160 (Direct) |
View |
| 2023-12-01 Option Award |
2023-12-04 4:19 pm |
N/A 2033-12-01 |
SUTRO BIOPHARMA INC. | STRO | Chung Jane President and COO |
135,000 | $0 | 135,000 (Direct) |
View |
| 2023-08-09 Tax Withholding |
2023-08-11 4:16 pm |
N/A N/A |
SUTRO BIOPHARMA INC. | STRO | Chung Jane Chief Commercial Officer |
6,483 | $4.22 | 69,198 (Direct) |
View |
| 2023-08-09 Exercise |
2023-08-11 4:16 pm |
N/A 2025-08-09 |
SUTRO BIOPHARMA INC. | STRO | Chung Jane Chief Commercial Officer |
18,750 | $0 | 69,198 (Direct) |
View |
| 2023-06-08 Option Award |
2023-06-09 6:19 pm |
N/A 2033-06-08 |
Viracta Therapeutics Inc. | VIRX | Chung Jane Director |
40,000 | $0 | 40,000 (Direct) |
View |
| 2023-03-03 Tax Withholding |
2023-03-07 4:26 pm |
N/A N/A |
SUTRO BIOPHARMA INC. | STRO | Chung Jane Chief Commercial Officer |
3,211 | $5.79 | 110,556 (Direct) |
View |
| 2023-03-03 Exercise |
2023-03-07 4:26 pm |
N/A 2026-03-04 |
SUTRO BIOPHARMA INC. | STRO | Chung Jane Chief Commercial Officer |
7,875 | $0 | 110,556 (Direct) |
View |
| 2023-03-03 Option Award |
2023-03-07 4:26 pm |
N/A 2033-02-28 |
SUTRO BIOPHARMA INC. | STRO | Chung Jane Chief Commercial Officer |
67,500 | $0 | 110,556 (Direct) |
View |
| 2022-08-10 Option Award |
2022-08-11 6:58 pm |
N/A 2032-08-10 |
Viracta Therapeutics Inc. | VIRX | Chung Jane Director |
80,000 | $0 | 80,000 (Direct) |
View |
| 2022-08-09 Tax Withholding |
2022-08-10 6:16 pm |
N/A N/A |
SUTRO BIOPHARMA INC. | STRO | Chung Jane Chief Commercial Officer |
6,483 | $6.6 | 71,017 (Direct) |
View |
| 2022-08-09 Exercise |
2022-08-10 6:16 pm |
N/A 2025-08-09 |
SUTRO BIOPHARMA INC. | STRO | Chung Jane Chief Commercial Officer |
18,750 | $0 | 71,017 (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 |
| 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 |
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 |