Duke William E. (CIK 1636135) reported 6 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-02-18). Recent activity: Buy IVVD (99,000 shares), Sell IVVD (19,663 shares), Sell IVVD (20,964 shares), Buy IVVD (99,000 shares), Sell IVVD (20,013 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-18 | Invivyd, Inc. (IVVD) | Chief Financial Officer | Buy | 99,000 | $0 |
| 2026-02-18 | Invivyd, Inc. (IVVD) | Chief Financial Officer | Sell | 19,663 | $30,281 |
| 2026-02-18 | Invivyd, Inc. (IVVD) | Chief Financial Officer | Sell | 20,964 | $33,123 |
| 2025-08-19 | Invivyd, Inc. (IVVD) | Chief Financial Officer | Buy | 99,000 | $0 |
| 2025-08-19 | Invivyd, Inc. (IVVD) | Chief Financial Officer | Sell | 20,013 | $13,008 |
| 2025-08-19 | Invivyd, Inc. (IVVD) | Chief Financial Officer | Sell | 29,643 | $16,897 |
Source: SEC Form 4 filings · as of 2026-02-18