Stubblefield Michael (CIK 1776153) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-05-21). Recent activity: Sell AVTR (76,000 shares), Buy AVTR (76,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-05-21 | Avantor, Inc. (AVTR) | President & CEO | Sell | 76,000 | $0 |
| 2025-05-21 | Avantor, Inc. (AVTR) | President & CEO | Buy | 76,000 | $0 |
Source: SEC Form 4 filings · as of 2025-05-21