List of insiders holdings for Avantor Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Connolly Thomas Director | 2021-05-07 16:05:34 | 0 72,620,904 | 72,620,904 | Form 4 |
| 2 | New Mountain Investments III LLC New Mountain Partners III LP New Mountain Capital L.L.C. New Mountain Capital Group L.P. NM Holdings GP L.L.C. KLINSKY STEVEN B 10% Owner | 2021-02-16 07:59:58 | 28,000,000 0 | 28,000,000 | Form 13G |
| 3 | GOLDMAN SACHS & CO. LLC StoneBridge 2017 L.P. StoneBridge 2017 Offshore L.P. VWR Partners L.P. Broad Street Principal Investments L.L.C. Bridge Street Opportunity Advisors L.L.C. GOLDMAN SACHS GROUP INC StoneBridge 2018 L.P. StoneBridge 2018 Offshore L.P. 10% Owner | 2021-05-07 16:12:30 | 27,480,944 0 | 27,480,944 | Form 13D |
| 4 | Stubblefield Michael President & CEO | 2025-05-21 17:37:32 | 1,219,013 698,509 | 1,917,522 | Form 4 |
| 5 | GUPTA RAJIV Director | 2022-04-05 16:58:22 | 780,562 0 | 780,562 | Form 4 |
| 6 | Ligner Emmanuel President and CEO | 2025-08-21 17:06:08 | 769,318 0 | 769,318 | Form 4 |
| 7 | Natauri Jo Director | 2021-08-13 17:10:04 | 92,661 557,656 | 650,317 | Form 4 |
| 8 | Ohri Devashish EVP, IMEA | 2021-05-28 16:48:26 | 486,276 0 | 486,276 | Form 4 |
| 9 | SUMME GREGORY L Director | 2025-10-31 09:46:22 | 58,111 300,000 | 358,111 | Form 4 |
| 10 | Jones R. Brent EVP, Chief Financial Officer | 2025-05-12 17:33:30 | 269,676 0 | 269,676 | Form 4 |
| 11 | Szlosek Thomas A EVP & CFO | 2023-05-19 16:18:09 | 77,489 176,951 | 254,440 | Form 4 |
| 12 | Gourdier Benoit EVP, Bioscience Production | 2025-10-03 16:28:33 | 235,684 0 | 235,684 | Form 4 |
| 13 | Walker Corey President Laboratory Solutions | 2025-06-24 17:20:19 | 231,271 0 | 231,271 | Form 4 |
| 14 | Peacock Jonathan M Director | 2025-05-12 17:34:31 | 219,815 0 | 219,815 | Form 4 |
| 15 | Couturier Christophe EVP, AMEA | 2025-08-12 17:04:18 | 211,271 0 | 211,271 | Form 4 |
| 16 | McAllister Eric EVP, CHRO | 2020-05-19 18:47:06 | 197,899 0 | 197,899 | Form 4 |
| 17 | Sokenu Claudius EVP, Chief Legal & Compliance | 2025-07-25 16:32:28 | 177,106 0 | 177,106 | Form 4 |
| 18 | Hankamer Brittany EVP, Chief HR Officer | 2025-08-15 16:35:16 | 171,563 0 | 171,563 | Form 4 |
| 19 | Vanderhaegen Frederic EVP, Americas and Europe | 2023-08-28 16:10:18 | 160,735 0 | 160,735 | Form 4 |
| 20 | Hofman Bjorn EVP and COO | 2019-05-23 19:21:44 | 157,143 0 | 157,143 | Form 4 |
| 21 | Kulkarni Ashish See Remarks | 2019-05-23 19:30:15 | 128,571 0 | 128,571 | Form 4 |
| 22 | Foxe Tanya EVP, Operations & Supply Chain | 2020-02-25 17:58:12 | 106,368 0 | 106,368 | Form 4 |
| 23 | Wondrasch Michael EVP & CIO | 2023-02-22 16:57:30 | 96,072 0 | 96,072 | Form 4 |
| 24 | Miller Justin EVP & General Counsel | 2023-05-19 16:20:24 | 93,336 0 | 93,336 | Form 4 |
| 25 | Brophy Gerard EVP, Biopharma Production | 2023-05-19 16:19:37 | 89,032 0 | 89,032 | Form 4 |
| 26 | Bramwell James EVP Sales, Customer Excellence | 2025-02-28 16:53:22 | 86,605 0 | 86,605 | Form 4 |
| 27 | Lewis Sheri EVP, Global Ops & Supply Chain | 2024-01-03 16:56:43 | 70,692 0 | 70,692 | Form 4 |
| 28 | Henson Meghan EVP, Chief HR Officer | 2023-02-27 20:07:36 | 69,713 0 | 69,713 | Form 4 |
| 29 | Stone Randy Lee EVP, Laboratory Solutions | 2024-04-18 17:10:55 | 68,105 0 | 68,105 | Form 4 |
| 30 | Andres Juan Director | 2025-05-12 17:33:42 | 65,480 0 | 65,480 | Form 4 |
| 31 | Blenn Mary EVP, Chief Operating Officer | 2025-11-12 17:06:40 | 64,449 0 | 64,449 | Form 4 |
| 32 | SEVERINO MICHAEL Director | 2025-05-12 17:33:08 | 60,551 0 | 60,551 | Form 4 |
| 33 | Eck Steven W SVP & Chief Accounting Officer | 2025-08-06 16:32:53 | 55,068 0 | 55,068 | Form 4 |
| 34 | Kang Lan Director | 2025-05-12 17:34:18 | 52,315 0 | 52,315 | Form 4 |
| 35 | Massaro Joseph R Director | 2025-05-12 17:34:54 | 52,138 0 | 52,138 | Form 4 |
| 36 | Carethers John Director | 2025-05-12 17:35:39 | 45,858 0 | 45,858 | Form 4 |
| 37 | Murthy Mala Director | 2025-05-12 17:34:06 | 44,209 0 | 44,209 | Form 4 |
| 38 | Sahin Kitty EVP, Strategy&Corp Development | 2024-07-22 17:05:03 | 42,274 0 | 42,274 | Form 4 |
| 39 | Henrichwark Sven EVP, APAC Region | 2021-03-01 17:34:19 | 37,366 0 | 37,366 | Form 4 |
| 40 | Shaw Christi Director | 2023-05-15 16:44:16 | 36,271 0 | 36,271 | Form 4 |
| 41 | SACHDEV RAKESH Director | 2021-03-01 17:31:47 | 32,841 0 | 32,841 | Form 4 |
| 42 | Makin Louise Director | 2025-05-12 17:33:17 | 21,870 0 | 21,870 | Form 4 |
| 43 | Murray Mark Christopher EVP, Biomaterials & AT | 2022-01-18 17:12:56 | 18,680 0 | 18,680 | Form 4 |
| 44 | LUCIER GREGORY T Director | 2025-10-07 17:04:57 | 8,736 0 | 8,736 | Form 4 |
| 45 | Holt Matthew S. Director | 2022-05-16 18:16:03 | 7,908 0 | 7,908 | Form 4 |
| 46 | DePetris Michael SVP and Corporate Controller | 2019-05-16 18:42:48 | 0 0 | 0 | Form 3 |
| 47 | Fine Robert Director | 2019-05-16 18:40:03 | 0 0 | 0 | Form 3 |
| 48 | Moura Andre V. Director | 2019-05-16 18:33:47 | 0 0 | 0 | Form 3 |