23 insiders reported 105 Form 4 transactions for Avantor, Inc. (AVTR) over the past 18 months (most recent 2026-05-11). Recent activity: MEHRA SANJEEV K (Director) Buy 25,270 shares, SUMME GREGORY L (Director) Buy 25,270 shares, LUCIER GREGORY T (Director) Buy 25,270 shares, Massaro Joseph R (Director) Buy 25,270 shares, SEVERINO MICHAEL (Director) Buy 25,270 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-11 | MEHRA SANJEEV K | Director | Buy | 25,270 | $0 |
| 2026-05-11 | SUMME GREGORY L | Director | Buy | 25,270 | $0 |
| 2026-05-11 | LUCIER GREGORY T | Director | Buy | 25,270 | $0 |
| 2026-05-11 | Massaro Joseph R | Director | Buy | 25,270 | $0 |
| 2026-05-11 | SEVERINO MICHAEL | Director | Buy | 25,270 | $0 |
| 2026-05-11 | Murthy Mala | Director | Buy | 25,270 | $0 |
| 2026-05-11 | Makin Louise | Director | Buy | 25,270 | $0 |
| 2026-05-11 | Dingemans Simon | Director | Buy | 25,270 | $0 |
| 2026-05-11 | LUCIER GREGORY T | Director | Buy | 10,000 | $83,200 |
| 2026-04-06 | Eck Steven W | SVP & Chief Accounting Officer | Buy | 31,645 | $0 |
| 2026-03-11 | MEHRA SANJEEV K | Director | Buy | 125,000 | $1.0M |
| 2026-02-25 | Jones R. Brent | EVP, Chief Financial Officer | Sell | 2,805 | $24,936 |
| 2026-02-25 | Hankamer Brittany | EVP, Chief HR Officer | Sell | 359 | $3,270 |
| 2026-02-25 | Hankamer Brittany | EVP, Chief HR Officer | Sell | 1,324 | $11,770 |
| 2026-02-25 | Eck Steven W | SVP & Chief Accounting Officer | Sell | 2,017 | $17,931 |
| 2026-02-25 | Eck Steven W | SVP & Chief Accounting Officer | Sell | 452 | $4,118 |
| 2026-02-25 | Sokenu Claudius | EVP, Chief Legal & Compliance | Sell | 2,376 | $21,123 |
| 2026-02-25 | Gourdier Benoit | EVP, Bioscience & Medtech | Sell | 3,029 | $26,928 |
| 2026-02-23 | Jones R. Brent | EVP, Chief Financial Officer | Buy | 161,237 | $0 |
| 2026-02-23 | Jones R. Brent | EVP, Chief Financial Officer | Sell | 9,506 | $85,839 |
| 2026-02-23 | Blenn Mary | EVP, Chief Operating Officer | Buy | 235,993 | $0 |
| 2026-02-23 | LUCIER GREGORY T | Director | Buy | 50,000 | $458,000 |
| 2026-02-23 | Eck Steven W | SVP & Chief Accounting Officer | Buy | 48,859 | $0 |
| 2026-02-23 | Eck Steven W | SVP & Chief Accounting Officer | Sell | 2,125 | $19,189 |
| 2026-02-23 | Gourdier Benoit | EVP, Bioscience & Medtech | Buy | 134,364 | $0 |
Source: SEC Form 4 filings · as of 2026-05-11
