Dingemans Simon (CIK 2104604) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-11). Recent activity: Buy AVTR (25,270 shares), Buy AVTR (25,000 shares), Buy AVTR (6,225 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-11 | Avantor, Inc. (AVTR) | Director | Buy | 25,270 | $0 |
| 2026-05-05 | Avantor, Inc. (AVTR) | Director | Buy | 25,000 | $203,500 |
| 2026-01-12 | Avantor, Inc. (AVTR) | Director | Buy | 6,225 | $0 |
Source: SEC Form 4 filings · as of 2026-05-11