AVTR's three largest insider shareholders as of May 23, 2026 are Michael Stubblefield (President Ceo, 1.76Mn shares), Rajiv Gupta (Director, 780.56K shares), Emmanuel Ligner (President And Ceo, 767.14K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Rajiv Gupta | - | 780,562 | 0 | 05 Apr, 2022 |
| Gregory L Summe | - | 0 | 400,000 | 12 Feb, 2026 |
| Thomas A Szlosek | Evp Cfo | 77,489 | 0 | 19 May, 2023 |
| Joseph R Massaro | - | 52,138 | 0 | 12 May, 2025 |
| Jonathan M Peacock | - | 219,815 | 0 | 12 May, 2025 |
| R. Brent Jones | Evp, Chief Financial Officer | 419,782 | 0 | 25 Feb, 2026 |
| Michael Severino | - | 60,551 | 0 | 12 May, 2025 |
| Matthew S. Holt | - | 7,908 | 0 | 16 May, 2022 |
| Christophe Couturier | Evp, Amea | 211,271 | 0 | 12 Aug, 2025 |
| Christi Shaw | - | 36,271 | 0 | 15 May, 2023 |
| Steven W Eck | Svp Chief Accounting Officer | 130,978 | 0 | 06 Apr, 2026 |
| Juan Andres | - | 65,480 | 0 | 12 May, 2025 |
| Michael Wondrasch | Evp Cio | 96,072 | 0 | 22 Feb, 2023 |
| James Bramwell | Evp Sales, Customer Excellence | 86,605 | 0 | 28 Feb, 2025 |
| Gerard Brophy | Evp, Biopharma Production | 89,032 | 0 | 19 May, 2023 |
| Justin Miller | Evp General Counsel | 93,336 | 0 | 19 May, 2023 |
| Jo Natauri | - | 0 | 557,656 | 13 Aug, 2021 |
| Michael Stubblefield | President Ceo | 1,219,013 | 545,500 | 21 May, 2025 |
| Frederic Vanderhaegen | Evp, Americas And Europe | 160,735 | 0 | 28 Aug, 2023 |
| Corey Walker | President, Vwr Dist. Servs. | 387,545 | 0 | 23 Feb, 2026 |
| Randy Lee Stone | Evp, Laboratory Solutions | 68,105 | 0 | 18 Apr, 2024 |
| Mark Christopher Murray | Evp, Biomaterials At | 18,680 | 0 | 18 Jan, 2022 |
| Sheri Lewis | Evp, Global Ops Supply Chain | 70,692 | 0 | 03 Jan, 2024 |
| Meghan Henson | Evp, Chief Hr Officer | 40,184 | 0 | 27 Feb, 2023 |
| Lan Kang | - | 52,315 | 0 | 12 May, 2025 |
| John Carethers | - | 45,858 | 0 | 12 May, 2025 |
| Claudius Sokenu | Evp, Chief Legal Compliance | 252,429 | 0 | 25 Feb, 2026 |
| Kitty Sahin | Evp, Strategycorp Development | 42,274 | 0 | 22 Jul, 2024 |
| Brittany Hankamer | Evp, Chief Hr Officer | 249,045 | 0 | 25 Feb, 2026 |
| Benoit Gourdier | Evp, Bioscience Medtech | 362,859 | 0 | 25 Feb, 2026 |
| Louise Makin | - | 21,870 | 0 | 12 May, 2025 |
| Emmanuel Ligner | President And Ceo | 767,137 | 0 | 23 Feb, 2026 |
| Mary Blenn | Evp, Chief Operating Officer | 253,384 | 0 | 23 Feb, 2026 |
| Simon Dingemans | - | 6,225 | 0 | 12 Jan, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 03 Apr, 2026 | Steven W Eck | Common Stock | A | 31,645 | $0.00 | 130,978 | D | A |
| 23 Feb, 2026 | Brittany Hankamer | Common Stock | D | 1,324 | $8.89 | 249,404 | D | F |
| 23 Feb, 2026 | Steven W Eck | Common Stock | D | 2,017 | $8.89 | 99,785 | D | F |
| 23 Feb, 2026 | Brittany Hankamer | Common Stock | D | 1,324 | $8.89 | 249,404 | D | F |
| 23 Feb, 2026 | Claudius Sokenu | Common Stock | D | 2,376 | $8.89 | 252,429 | D | F |
| 23 Feb, 2026 | R. Brent Jones | Common Stock | D | 2,805 | $8.89 | 419,782 | D | F |
| 23 Feb, 2026 | Benoit Gourdier | Common Stock | D | 3,029 | $8.89 | 362,859 | D | F |
| 23 Feb, 2026 | Brittany Hankamer | Common Stock | D | 1,324 | $8.89 | 249,404 | D | F |
| 23 Feb, 2026 | Benoit Gourdier | Common Stock | D | 3,029 | $8.89 | 362,859 | D | F |
| 23 Feb, 2026 | Benoit Gourdier | Common Stock | D | 3,029 | $8.89 | 362,859 | D | F |
| 24 Feb, 2026 | Brittany Hankamer | Common Stock | D | 359 | $9.11 | 249,045 | D | F |
| 24 Feb, 2026 | Brittany Hankamer | Common Stock | D | 359 | $9.11 | 249,045 | D | F |
| 24 Feb, 2026 | Brittany Hankamer | Common Stock | D | 359 | $9.11 | 249,045 | D | F |
| 24 Feb, 2026 | Steven W Eck | Common Stock | D | 452 | $9.11 | 99,333 | D | F |
| 19 Feb, 2026 | Emmanuel Ligner | Common Stock | A | 483,713 | $0.00 | 767,137 | D | A |
| 19 Feb, 2026 | Mary Blenn | Common Stock | A | 235,993 | $0.00 | 253,384 | D | A |
| 19 Feb, 2026 | Corey Walker | Common Stock | A | 161,237 | $0.00 | 392,508 | D | A |
| 19 Feb, 2026 | Benoit Gourdier | Common Stock | A | 134,364 | $0.00 | 370,048 | D | A |
| 19 Feb, 2026 | Corey Walker | Common Stock | A | 161,237 | $0.00 | 392,508 | D | A |
| 19 Feb, 2026 | Brittany Hankamer | Common Stock | A | 80,618 | $0.00 | 252,181 | D | A |