Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- 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>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2025-05-23 Purchase |
2025-05-27 4:58 pm |
Avantor Inc. | AVTR | SUMME GREGORY L Director |
30,000 | $12.5 | $375,000 | 158,111 (Indirect Direct) |
View |
2025-05-22 Purchase |
2025-05-22 5:37 pm |
Avantor Inc. | AVTR | SUMME GREGORY L Director |
20,000 | $12.65 | $253,000 | 128,111 (Indirect Direct) |
View |
2025-05-07 Purchase |
2025-05-09 4:51 pm |
Avantor Inc. | AVTR | SUMME GREGORY L Director |
25,000 | $12 | $300,000 | 50,000 (Indirect) |
View |
2025-04-29 Purchase |
2025-04-29 5:58 pm |
Avantor Inc. | AVTR | Massaro Joseph R Director |
8,100 | $12.3 | $99,630 | 35,038 (Direct) |
View |
2025-04-28 Purchase |
2025-04-29 5:58 pm |
Avantor Inc. | AVTR | SUMME GREGORY L Director |
25,000 | $12.5 | $312,500 | 66,011 (Indirect Direct) |
View |
2025-04-28 Purchase |
2025-04-29 5:58 pm |
Avantor Inc. | AVTR | Kang Lan Director |
5,000 | $12.57 | $62,850 | 35,215 (Direct) |
View |
2025-04-28 Purchase |
2025-04-29 5:58 pm |
Avantor Inc. | AVTR | Peacock Jonathan M Director |
8,091 | $12.81 | $103,646 | 202,715 (Direct) |
View |
2025-02-26 Sale |
2025-02-28 4:53 pm |
Avantor Inc. | AVTR | Bramwell James EVP Sales, Customer Excellence |
4,532 | $17.44 | $79,036 | 86,605 (Direct) |
View |
2025-02-26 Sale |
2025-02-28 4:51 pm |
Avantor Inc. | AVTR | Eck Steven W SVP & Chief Accounting Officer |
5,940 | $17.44 | $103,581 | 39,571 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2025-05-21 Gift |
2025-05-21 5:37 pm |
N/A N/A |
Avantor Inc. | AVTR | Stubblefield Michael President & CEO |
76,000 | $0 | 1,917,522 (Direct) |
View |
2025-05-09 Option Award |
2025-05-12 5:35 pm |
N/A N/A |
Avantor Inc. | AVTR | Walker Corey President Laboratory Solutions |
162,866 | $0 | 234,001 (Direct) |
View |
2025-05-08 Option Award |
2025-05-12 5:35 pm |
N/A N/A |
Avantor Inc. | AVTR | Carethers John Director |
17,100 | $0 | 45,858 (Direct) |
View |
2025-05-09 Option Award |
2025-05-12 5:35 pm |
N/A N/A |
Avantor Inc. | AVTR | Eck Steven W SVP & Chief Accounting Officer |
20,358 | $0 | 59,929 (Direct) |
View |
2025-05-09 Option Award |
2025-05-12 5:35 pm |
N/A N/A |
Avantor Inc. | AVTR | Sokenu Claudius EVP, Chief Legal & Compliance |
122,149 | $0 | 180,229 (Direct) |
View |
2025-05-08 Option Award |
2025-05-12 5:35 pm |
N/A N/A |
Avantor Inc. | AVTR | SUMME GREGORY L Director |
17,100 | $0 | 58,111 (Direct) |
View |
2025-05-08 Option Award |
2025-05-12 5:34 pm |
N/A N/A |
Avantor Inc. | AVTR | Massaro Joseph R Director |
17,100 | $0 | 52,138 (Direct) |
View |
2025-05-09 Option Award |
2025-05-12 5:34 pm |
N/A N/A |
Avantor Inc. | AVTR | Hankamer Brittany EVP, Chief HR Officer |
122,149 | $0 | 171,744 (Direct) |
View |
2025-05-08 Option Award |
2025-05-12 5:34 pm |
N/A N/A |
Avantor Inc. | AVTR | Peacock Jonathan M Director |
17,100 | $0 | 219,815 (Direct) |
View |
2025-05-08 Option Award |
2025-05-12 5:34 pm |
N/A N/A |
Avantor Inc. | AVTR | Kang Lan Director |
17,100 | $0 | 52,315 (Direct) |
View |
2025-05-08 Option Award |
2025-05-12 5:34 pm |
N/A N/A |
Avantor Inc. | AVTR | Murthy Mala Director |
17,100 | $0 | 44,209 (Direct) |
View |
2025-05-09 Option Award |
2025-05-12 5:33 pm |
N/A N/A |
Avantor Inc. | AVTR | Couturier Christophe EVP, AMEA |
61,074 | $0 | 144,914 (Direct) |
View |
2025-05-08 Option Award |
2025-05-12 5:33 pm |
N/A N/A |
Avantor Inc. | AVTR | Andres Juan Director |
17,100 | $0 | 65,480 (Direct) |
View |
2025-05-09 Option Award |
2025-05-12 5:33 pm |
N/A N/A |
Avantor Inc. | AVTR | Jones R. Brent EVP, Chief Financial Officer |
162,866 | $0 | 269,676 (Direct) |
View |
2025-05-08 Option Award |
2025-05-12 5:33 pm |
N/A N/A |
Avantor Inc. | AVTR | Makin Louise Director |
17,100 | $0 | 21,870 (Direct) |
View |
2025-05-08 Option Award |
2025-05-12 5:33 pm |
N/A N/A |
Avantor Inc. | AVTR | SEVERINO MICHAEL Director |
17,100 | $0 | 60,551 (Direct) |
View |
2025-05-09 Option Award |
2025-05-12 5:32 pm |
N/A N/A |
Avantor Inc. | AVTR | Gourdier Benoit EVP, Bioscience Production |
162,866 | $0 | 236,948 (Direct) |
View |
Ownership |
2025-04-08 5:01 pm |
N/A N/A |
Avantor Inc. | AVTR | Walker Corey President Laboratory Solutions |
0 | $0 | 245,475 (Direct) |
View |
2025-04-05 Tax Withholding |
2025-04-08 5:01 pm |
N/A N/A |
Avantor Inc. | AVTR | Couturier Christophe EVP, AMEA |
569 | $15.13 | 83,840 (Direct) |
View |
2025-02-24 Tax Withholding |
2025-02-26 4:45 pm |
N/A N/A |
Avantor Inc. | AVTR | Couturier Christophe EVP, AMEA |
750 | $17.47 | 84,409 (Direct) |
View |
2025-02-25 Tax Withholding |
2025-02-26 4:45 pm |
N/A N/A |
Avantor Inc. | AVTR | Couturier Christophe EVP, AMEA |
556 | $17.56 | 84,409 (Direct) |
View |
2025-02-24 Tax Withholding |
2025-02-26 4:45 pm |
N/A N/A |
Avantor Inc. | AVTR | Stubblefield Michael President & CEO |
6,800 | $17.47 | 1,976,430 (Direct) |
View |
2025-02-25 Tax Withholding |
2025-02-26 4:45 pm |
N/A N/A |
Avantor Inc. | AVTR | Stubblefield Michael President & CEO |
4,969 | $17.56 | 1,976,430 (Direct) |
View |
2025-02-24 Tax Withholding |
2025-02-26 4:44 pm |
N/A N/A |
Avantor Inc. | AVTR | Eck Steven W SVP & Chief Accounting Officer |
439 | $17.47 | 45,511 (Direct) |
View |
2025-02-25 Tax Withholding |
2025-02-26 4:44 pm |
N/A N/A |
Avantor Inc. | AVTR | Eck Steven W SVP & Chief Accounting Officer |
505 | $17.56 | 45,511 (Direct) |
View |
2025-02-24 Tax Withholding |
2025-02-26 4:44 pm |
N/A N/A |
Avantor Inc. | AVTR | Bramwell James EVP Sales, Customer Excellence |
2,181 | $17.47 | 91,137 (Direct) |
View |
2025-02-25 Tax Withholding |
2025-02-26 4:44 pm |
N/A N/A |
Avantor Inc. | AVTR | Bramwell James EVP Sales, Customer Excellence |
583 | $17.56 | 91,137 (Direct) |
View |
2025-02-24 Tax Withholding |
2025-02-26 4:44 pm |
N/A N/A |
Avantor Inc. | AVTR | Hankamer Brittany EVP, Chief HR Officer |
437 | $17.47 | 49,595 (Direct) |
View |
2025-02-25 Tax Withholding |
2025-02-26 4:44 pm |
N/A N/A |
Avantor Inc. | AVTR | Hankamer Brittany EVP, Chief HR Officer |
369 | $17.56 | 49,595 (Direct) |
View |
2025-02-23 Tax Withholding |
2025-02-24 5:31 pm |
N/A N/A |
Avantor Inc. | AVTR | Gourdier Benoit EVP, Bioscience Production |
2,842 | $17.3 | 160,647 (Direct) |
View |
2025-02-20 Option Award |
2025-02-24 5:31 pm |
N/A 2035-02-20 |
Avantor Inc. | AVTR | Gourdier Benoit EVP, Bioscience Production |
122,299 | $0 | 160,647 (Direct) |
View |
2025-02-23 Tax Withholding |
2025-02-24 5:31 pm |
N/A N/A |
Avantor Inc. | AVTR | Eck Steven W SVP & Chief Accounting Officer |
1,956 | $17.3 | 46,455 (Direct) |
View |
2025-02-20 Option Award |
2025-02-24 5:31 pm |
N/A N/A |
Avantor Inc. | AVTR | Eck Steven W SVP & Chief Accounting Officer |
18,867 | $0 | 46,455 (Direct) |
View |
2025-02-23 Tax Withholding |
2025-02-24 5:30 pm |
N/A N/A |
Avantor Inc. | AVTR | Hankamer Brittany EVP, Chief HR Officer |
1,537 | $17.3 | 91,952 (Direct) |
View |
2025-02-20 Option Award |
2025-02-24 5:30 pm |
N/A 2035-02-20 |
Avantor Inc. | AVTR | Hankamer Brittany EVP, Chief HR Officer |
58,703 | $0 | 91,952 (Direct) |
View |
2025-02-23 Tax Withholding |
2025-02-24 5:30 pm |
N/A N/A |
Avantor Inc. | AVTR | Sokenu Claudius EVP, Chief Legal & Compliance |
2,318 | $17.3 | 110,019 (Direct) |
View |
2025-02-20 Option Award |
2025-02-24 5:30 pm |
N/A 2035-02-20 |
Avantor Inc. | AVTR | Sokenu Claudius EVP, Chief Legal & Compliance |
73,379 | $0 | 110,019 (Direct) |
View |
2025-02-20 Option Award |
2025-02-24 5:30 pm |
N/A 2035-02-20 |
Avantor Inc. | AVTR | Jones R. Brent EVP, Chief Financial Officer |
183,923 | $0 | 210,688 (Direct) |
View |
2025-02-23 Tax Withholding |
2025-02-24 5:30 pm |
N/A N/A |
Avantor Inc. | AVTR | Stubblefield Michael President & CEO |
14,674 | $17.3 | 2,369,085 (Direct) |
View |
2025-02-20 Option Award |
2025-02-24 5:30 pm |
N/A 2035-02-20 |
Avantor Inc. | AVTR | Stubblefield Michael President & CEO |
538,118 | $0 | 2,369,085 (Direct) |
View |
2025-02-23 Tax Withholding |
2025-02-24 5:30 pm |
N/A N/A |
Avantor Inc. | AVTR | Bramwell James EVP Sales, Customer Excellence |
3,443 | $17.3 | 93,901 (Direct) |
View |