23 insiders reported 83 Form 4 transactions for Avantor, Inc. (AVTR) over the past 18 months (most recent 2026-08-20). Recent activity: Ligner Emmanuel (President and CEO) Sell 29,803 shares, Hankamer Brittany (EVP, Chief HR Officer) Sell 181 shares, Eck Steven W (SVP & Chief Accounting Officer) Sell 1,385 shares, Sokenu Claudius (EVP, Chief Legal & Compliance) Sell 1,201 shares, Walker Corey (President, VWR Dist. & Servs.) Sell 3,010 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-20 | Ligner Emmanuel | President and CEO | Sell | 29,803 | $397,274 |
| 2026-08-18 | Hankamer Brittany | EVP, Chief HR Officer | Sell | 181 | $2,472 |
| 2026-08-04 | Eck Steven W | SVP & Chief Accounting Officer | Sell | 1,385 | $19,085 |
| 2026-07-27 | Sokenu Claudius | EVP, Chief Legal & Compliance | Sell | 1,201 | $13,739 |
| 2026-06-22 | Walker Corey | President, VWR Dist. & Servs. | Sell | 3,010 | $28,836 |
| 2026-05-11 | Dingemans Simon | 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 | MEHRA SANJEEV K | Director | Buy | 25,270 | $0 |
| 2026-05-11 | LUCIER GREGORY T | Director | Buy | 10,000 | $83,200 |
| 2026-05-05 | Dingemans Simon | Director | Buy | 25,000 | $203,500 |
| 2026-05-05 | Brellier Ludovic | EVP, Bioscience & Medtech | Buy | 146,566 | $0 |
| 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 | Gourdier Benoit | EVP, Bioscience & Medtech | Sell | 3,029 | $26,928 |
| 2026-02-25 | Hankamer Brittany | EVP, Chief HR Officer | Sell | 1,324 | $11,770 |
| 2026-02-25 | Hankamer Brittany | EVP, Chief HR Officer | Sell | 359 | $3,270 |
| 2026-02-25 | Jones R. Brent | EVP, Chief Financial Officer | Sell | 2,805 | $24,936 |
| 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 |
Source: SEC Form 4 filings · as of 2026-08-20