White Marvin L (CIK 1493324) reported 8 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-08-10). Recent activity: Buy APVO (1 shares), Buy APVO (1,666 shares), Sell APVO (406 shares), Buy EBS (25,344 shares), Buy APVO (10 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-10 | Aptevo Therapeutics Inc. (APVO) | Executive Chair | Buy | 1 | $0 |
| 2026-08-10 | Aptevo Therapeutics Inc. (APVO) | Executive Chair | Buy | 1,666 | $0 |
| 2026-08-10 | Aptevo Therapeutics Inc. (APVO) | Executive Chair | Sell | 406 | $1,652 |
| 2026-05-04 | Emergent BioSolutions Inc. (EBS) | Director | Buy | 25,344 | $0 |
| 2025-07-21 | Aptevo Therapeutics Inc. (APVO) | President and CEO | Buy | 10 | $0 |
| 2025-05-02 | Emergent BioSolutions Inc. (EBS) | Director | Buy | 34,403 | $0 |
| 2025-03-04 | Aptevo Therapeutics Inc. (APVO) | President and CEO | Buy | 8 | $0 |
| 2025-03-04 | Aptevo Therapeutics Inc. (APVO) | President and CEO | Buy | 6 | $0 |
Source: SEC Form 4 filings · as of 2026-08-10