AVANTOR INC (AVTR) Stock Ownership
NYSE:AVTR • US05352A1007
9.05 USD
+0.04 (+0.44%)
At close: Feb 27, 2026
9.05 USD
0 (0%)
After Hours: 2/27/2026, 8:04:00 PM
| Shares Outstanding | 681.81M |
| Float | 657.60M |
| Float Short Interest Percentage | 5.73% |
| Owners (insider) | 0.3% |
| Owners (institutional) | 100.13% |
| Owners (insider) change | 2.01% |
| Owners (institutional) change | 0.99% |
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Feb 23, 2026 | Gourdier Benoit | Option Excercise | 3029 | 8.89 | $ 26,927.81 |
| Feb 23, 2026 | Eck Steven W | Option Excercise | 2469 | 8.93 | $ 22,048.85 |
| Feb 23, 2026 | Sokenu Claudius | Option Excercise | 2376 | 8.89 | $ 21,122.64 |
| Feb 23, 2026 | Hankamer Brittany | Option Excercise | 1683 | 8.94 | $ 15,040.85 |
| Feb 23, 2026 | Jones R. Brent | Option Excercise | 2805 | 8.89 | $ 24,936.45 |
| Feb 20, 2026 | Sokenu Claudius | Option Excercise | 2919 | 9.03 | $ 26,358.57 |
| Feb 20, 2026 | Hankamer Brittany | Option Excercise | 1453 | 9.03 | $ 13,120.59 |
| Feb 20, 2026 | Gourdier Benoit | Option Excercise | 4160 | 9.03 | $ 37,564.80 |
| Feb 20, 2026 | Jones R. Brent | Option Excercise | 9506 | 9.03 | $ 85,839.18 |
| Feb 20, 2026 | Eck Steven W | Option Excercise | 2125 | 9.03 | $ 19,188.75 |
| Feb 20, 2026 | Walker Corey | Option Excercise | 4963 | 9.03 | $ 44,815.89 |
| Feb 19, 2026 | Sokenu Claudius | Grant | 80618 | 0.00 | $ 0.00 |
| Feb 19, 2026 | Hankamer Brittany | Grant | 80618 | 0.00 | $ 0.00 |
| Feb 19, 2026 | Gourdier Benoit | Grant | 134364 | 0.00 | $ 0.00 |
| Feb 19, 2026 | LUCIER GREGORY T | Open Market Purchase | 50000 | 9.16 | $ 458,000.00 |
| Feb 19, 2026 | Jones R. Brent | Grant | 161237 | 0.00 | $ 0.00 |
| Feb 19, 2026 | Blenn Mary | Grant | 235993 | 0.00 | $ 0.00 |
| Feb 19, 2026 | Eck Steven W | Grant | 48859 | 0.00 | $ 0.00 |
| Feb 19, 2026 | Ligner Emmanuel | Grant | 483713 | 0.00 | $ 0.00 |
| Feb 19, 2026 | Walker Corey | Grant | 161237 | 0.00 | $ 0.00 |
| Feb 12, 2026 | SUMME GREGORY L | Open Market Purchase | 100000 | 9.40 | $ 940,000.00 |
| Dec 5, 2025 | MEHRA SANJEEV K | Grant | 8106 | 0.00 | $ 0.00 |
| Dec 5, 2025 | MEHRA SANJEEV K | Open Market Purchase | 350000 | 11.09 | $ 3,881,500.00 |
| Nov 17, 2025 | Ligner Emmanuel | Open Market Purchase | 87500 | 11.35 | $ 993,125.00 |
| Nov 10, 2025 | Blenn Mary | Grant | 17391 | 0.00 | $ 0.00 |
| Oct 30, 2025 | SUMME GREGORY L | Open Market Purchase | 100000 | 11.25 | $ 1,125,000.00 |
| Oct 3, 2025 | LUCIER GREGORY T | Grant | 8736 | 0.00 | $ 0.00 |
| Oct 2, 2025 | Gourdier Benoit | Option Excercise | 1264 | 13.77 | $ 17,405.28 |
| Aug 21, 2025 | SUMME GREGORY L | Open Market Purchase | 100000 | 12.56 | $ 1,256,000.00 |
| Aug 18, 2025 | Ligner Emmanuel | Grant | 195924 | 0.00 | $ 0.00 |
| Aug 14, 2025 | Hankamer Brittany | Option Excercise | 181 | 12.98 | $ 2,349.38 |
| Aug 8, 2025 | Couturier Christophe | Grant | 65217 | 0.00 | $ 0.00 |
| Aug 5, 2025 | Eck Steven W | Open Market Sale | 3476 | 11.39 | $ 39,591.64 |
| Jul 31, 2025 | Eck Steven W | Option Excercise | 1385 | 13.44 | $ 18,614.40 |
| Jul 24, 2025 | Sokenu Claudius | Option Excercise | 3123 | 14.01 | $ 43,753.23 |
| Jun 21, 2025 | Walker Corey | Option Excercise | 2730 | 13.57 | $ 37,046.10 |
| May 23, 2025 | SUMME GREGORY L | Open Market Purchase | 30000 | 12.50 | $ 375,000.00 |
| May 22, 2025 | SUMME GREGORY L | Open Market Purchase | 20000 | 12.65 | $ 253,000.00 |
| May 21, 2025 | Stubblefield Michael | Other Disposition | 152000 | 0.00 | $ 0.00 |
| May 9, 2025 | Walker Corey | Grant | 162866 | 0.00 | $ 0.00 |
| May 9, 2025 | Eck Steven W | Grant | 20358 | 0.00 | $ 0.00 |
| May 9, 2025 | Sokenu Claudius | Grant | 122149 | 0.00 | $ 0.00 |
| May 9, 2025 | Hankamer Brittany | Grant | 122149 | 0.00 | $ 0.00 |
| May 9, 2025 | Couturier Christophe | Grant | 61074 | 0.00 | $ 0.00 |
| May 9, 2025 | Jones R. Brent | Grant | 162866 | 0.00 | $ 0.00 |
| May 9, 2025 | Gourdier Benoit | Grant | 162866 | 0.00 | $ 0.00 |
| May 8, 2025 | Carethers John | Grant | 17100 | 0.00 | $ 0.00 |
| May 8, 2025 | SUMME GREGORY L | Grant | 17100 | 0.00 | $ 0.00 |
| May 8, 2025 | Massaro Joseph R | Grant | 17100 | 0.00 | $ 0.00 |
| May 8, 2025 | Peacock Jonathan M | Grant | 17100 | 0.00 | $ 0.00 |
| May 8, 2025 | Kang Lan | Grant | 17100 | 0.00 | $ 0.00 |
| May 8, 2025 | Murthy Mala | Grant | 17100 | 0.00 | $ 0.00 |
| May 8, 2025 | Andres Juan | Grant | 17100 | 0.00 | $ 0.00 |
| May 8, 2025 | Makin Louise | Grant | 17100 | 0.00 | $ 0.00 |
| May 8, 2025 | SEVERINO MICHAEL | Grant | 17100 | 0.00 | $ 0.00 |
| May 7, 2025 | SUMME GREGORY L | Open Market Purchase | 25000 | 12.00 | $ 300,000.00 |
| Apr 29, 2025 | Massaro Joseph R | Open Market Purchase | 8100 | 12.30 | $ 99,630.00 |
| Apr 28, 2025 | SUMME GREGORY L | Open Market Purchase | 25000 | 12.50 | $ 312,500.00 |
| Apr 28, 2025 | Kang Lan | Open Market Purchase | 5000 | 12.57 | $ 62,850.00 |
| Apr 28, 2025 | Peacock Jonathan M | Open Market Purchase | 8091 | 12.81 | $ 103,645.71 |
| Apr 5, 2025 | Couturier Christophe | Option Excercise | 569 | 15.13 | $ 8,608.97 |