NEWELL WILLIAM J (CIK 1309660) reported 7 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-03-07). Recent activity: Buy STRO (18,750 shares), Sell STRO (6,708 shares), Buy STRO (31,125 shares), Sell STRO (11,136 shares), Buy STRO (23,750 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-03-07 | SUTRO BIOPHARMA, INC. (STRO) | CEO | Buy | 18,750 | $0 |
| 2025-03-07 | SUTRO BIOPHARMA, INC. (STRO) | CEO | Sell | 6,708 | $9,123 |
| 2025-03-06 | SUTRO BIOPHARMA, INC. (STRO) | CEO | Buy | 31,125 | $0 |
| 2025-03-06 | SUTRO BIOPHARMA, INC. (STRO) | CEO | Sell | 11,136 | $15,813 |
| 2025-03-04 | SUTRO BIOPHARMA, INC. (STRO) | CEO | Buy | 23,750 | $0 |
| 2025-03-04 | SUTRO BIOPHARMA, INC. (STRO) | CEO | Buy | 41,750 | $0 |
| 2025-03-04 | SUTRO BIOPHARMA, INC. (STRO) | CEO | Sell | 25,203 | $40,073 |
Source: SEC Form 4 filings · as of 2025-03-07