MOULDER LEON O JR (CIK 1228865) reported 11 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-06-22). Recent activity: Buy ZLAB (22,371 shares), Buy ZBIO (60,000 shares), Buy ZBIO (20,000 shares), Buy ZBIO (34,000 shares), Buy ZBIO (57,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-22 | Zai Lab Ltd (ZLAB) | Director | Buy | 22,371 | $0 |
| 2026-05-18 | Zenas BioPharma, Inc. (ZBIO) | Chief Executive Officer | Buy | 60,000 | $1.0M |
| 2026-03-31 | Zenas BioPharma, Inc. (ZBIO) | Chief Executive Officer | Buy | 20,000 | $364,600 |
| 2026-03-31 | Zenas BioPharma, Inc. (ZBIO) | Chief Executive Officer | Buy | 34,000 | $656,540 |
| 2026-02-03 | Zenas BioPharma, Inc. (ZBIO) | Chief Executive Officer | Buy | 57,000 | $1.0M |
| 2026-01-09 | Zenas BioPharma, Inc. (ZBIO) | Chief Executive Officer | Buy | 50,000 | $819,000 |
| 2026-01-09 | Zenas BioPharma, Inc. (ZBIO) | Chief Executive Officer | Buy | 30,000 | $489,000 |
| 2026-01-09 | Zenas BioPharma, Inc. (ZBIO) | Chief Executive Officer | Buy | 20,000 | $331,000 |
| 2025-10-09 | Zenas BioPharma, Inc. (ZBIO) | See Remarks | Buy | 36,928 | $769,949 |
| 2025-06-23 | Zai Lab Ltd (ZLAB) | Director | Buy | 10,831 | $0 |
| 2025-02-19 | Zenas BioPharma, Inc. (ZBIO) | Chief Executive Officer | Buy | 25,000 | $166,750 |
Source: SEC Form 4 filings · as of 2026-06-22