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 JB
 JS
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Detailed Insider History for:
AVANTOR INC: AVTR
Price: 2/20/26 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$9.03 $18.02 $8.90 $6,159 682 11,820 0.0% 7.5% 103.27% 1.40%
Exch Sector Industry Sub-Industry
NYSE Manufacturing Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks Laboratory Analytical Instruments
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
    
 
HANKAMER BRITTANY
VP,HR
JS
$15,041
1,683
2/23/26
2/24/26
$8.89
$9.11
249,045
-0.7
D
---
2/25/26 - 5:28:00 pm
2
    
 
ECK STEVEN W
VP,CAO
JS
$22,049
2,469
2/23/26
2/24/26
$8.89
$9.11
99,333
-2.4
D
---
2/25/26 - 5:27:42 pm
3
    
 
SOKENU CLAUDIUS
VP,LO,CO
JS
$21,123
2,376
---
2/23/26
---
$8.89
252,429
-0.9
D
---
2/25/26 - 5:28:06 pm
4
    
 
JONES R BRENT
VP,CFO
JS
$24,936
2,805
---
2/23/26
---
$8.89
419,782
-0.7
D
---
2/25/26 - 5:27:54 pm
5
    
 
GOURDIER BENOIT
VP
JS
$26,928
3,029
---
2/23/26
---
$8.89
362,859
-0.8
D
---
2/25/26 - 5:27:48 pm
6
    
 
HANKAMER BRITTANY
VP,HR
JS
$13,121
1,453
---
2/20/26
---
$9.03
250,728
-0.6
D
R
2/23/26 - 8:53:58 pm
7
    
 
ECK STEVEN W
VP,CAO
JS
$19,189
2,125
---
2/20/26
---
$9.03
101,802
-2.0
D
R
2/23/26 - 8:53:41 pm
8
    
 
WALKER COREY
PR
JS
$44,816
4,963
---
2/20/26
---
$9.03
387,545
-1.3
D
R
2/23/26 - 8:53:29 pm
9
    
 
SOKENU CLAUDIUS
VP,LO,CO
JS
$26,359
2,919
---
2/20/26
---
$9.03
254,805
-1.1
D
R
2/23/26 - 8:53:24 pm
10
    
 
GOURDIER BENOIT
VP
JS
$37,565
4,160
---
2/20/26
---
$9.03
365,888
-1.1
D
R
2/23/26 - 8:53:18 pm
11
    
 
JONES R BRENT
VP,CFO
JS
$85,839
9,506
---
2/20/26
---
$9.03
422,587
-2.2
D
R
2/23/26 - 8:53:12 pm
12
    
 
HANKAMER BRITTANY
VP,HR
JB
---
80,618
---
2/19/26
---
---
252,181
47.0
D
R
2/23/26 - 8:53:58 pm
13
--
--
--
--
8
LUCIER GREGORY T
DIR
B
$458,000
50,000
---
2/19/26
---
$9.16
50,000
New
I
---
2/23/26 - 8:53:53 pm
14
    
 
BLENN MARY
VP,COO
JB
---
235,993
---
2/19/26
---
---
253,384
1,357.0
D
R
2/23/26 - 8:53:47 pm
15
    
 
ECK STEVEN W
VP,CAO
JB
---
48,859
---
2/19/26
---
---
103,927
88.7
D
R
2/23/26 - 8:53:41 pm
16
    
 
LIGNER EMMANUEL
PR,CEO,DIR
JB
---
483,713
---
2/19/26
---
---
767,137
170.7
D
R
2/23/26 - 8:53:35 pm
17
    
 
WALKER COREY
PR
JB
---
161,237
---
2/19/26
---
---
392,508
69.7
D
R
2/23/26 - 8:53:29 pm
18
    
 
SOKENU CLAUDIUS
VP,LO,CO
JB
---
80,618
---
2/19/26
---
---
257,724
45.5
D
R
2/23/26 - 8:53:24 pm
19
    
 
GOURDIER BENOIT
VP
JB
---
134,364
---
2/19/26
---
---
370,048
57.0
D
R
2/23/26 - 8:53:18 pm
20
    
 
JONES R BRENT
VP,CFO
JB
---
161,237
---
2/19/26
---
---
432,093
59.5
D
R
2/23/26 - 8:53:12 pm
21
9m
4
0%
-18%
6
SUMME GREGORY L
DIR
B
$940,000
100,000
---
2/12/26
---
$9.40
400,000
33.3
I
---
2/12/26 - 5:24:47 pm
22
    
 
DINGEMANS SIMON
DIR
JB
---
6,225
---
1/2/26
---
---
6,225
New
D
R
1/12/26 - 5:06:55 pm
23
    
 
DINGEMANS SIMON
DIR
3
---
---
---
1/2/26
---
---
---
---
---
---
1/12/26 - 5:05:31 pm
24
1m
1
100%
13%
6
MEHRA SANJEEV K
DIR
B
$3,881,500
350,000
---
12/5/25
---
$11.09
350,000
New
I
R
12/9/25 - 5:11:24 pm
25
    
 
MEHRA SANJEEV K
DIR
JB
---
8,106
---
12/5/25
---
---
8,106
New
D
R
12/9/25 - 5:11:24 pm
26
    
 
MEHRA SANJEEV K
DIR
3
---
---
---
12/5/25
---
---
---
---
---
---
12/9/25 - 5:07:43 pm
27
    
 
LIGNER EMMANUEL
PR,CEO,DIR
B
$993,125
87,500
---
11/17/25
---
$11.35
283,424
44.7
D
---
11/17/25 - 5:45:30 pm
28
    
 
BLENN MARY
VP,COO
JB
---
17,391
---
11/10/25
---
---
17,391
New
D
R
11/12/25 - 5:06:40 pm
29
    
 
BLENN MARY
VP,COO
3
---
---
---
11/10/25
---
---
---
---
---
---
11/12/25 - 5:05:43 pm
30
9m
4
0%
-18%
6
SUMME GREGORY L
DIR
B
$1,125,000
100,000
---
10/30/25
---
$11.25
300,000
50.0
I
---
10/31/25 - 9:46:22 am
31
    
 
LUCIER GREGORY T
DIR
JB
---
8,736
---
10/3/25
---
---
8,736
New
D
R
10/7/25 - 5:04:57 pm
32
    
 
LUCIER GREGORY T
DIR
3
---
---
---
10/3/25
---
---
---
---
---
---
10/7/25 - 5:02:06 pm
33
    
 
GOURDIER BENOIT
VP
JS
$17,405
1,264
---
10/2/25
---
$13.77
235,684
-0.5
D
---
10/3/25 - 4:28:33 pm
34
9m
4
0%
-18%
6
SUMME GREGORY L
DIR
B
$1,256,000
100,000
---
8/21/25
---
$12.56
200,000
100.0
I
---
8/22/25 - 4:15:22 pm
35
    
 
LIGNER EMMANUEL
PR,CEO,DIR
JB
---
195,924
---
8/18/25
---
---
195,924
New
D
R
8/21/25 - 5:06:08 pm
36
    
 
LIGNER EMMANUEL
PR,CEO,DIR
3
---
---
---
8/18/25
---
---
---
---
---
---
8/21/25 - 5:04:45 pm
37
    
 
HANKAMER BRITTANY
VP,HR
JS
$2,349
181
---
8/14/25
---
$12.98
171,563
-0.1
D
---
8/15/25 - 4:35:16 pm
38
    
 
COUTURIER CHRISTOPHE
VP
JB
---
65,217
---
8/8/25
---
---
211,271
44.7
D
R
8/12/25 - 5:04:18 pm
39
    
 
ECK STEVEN W
VP,CAO
AS
$39,592
3,476
---
8/5/25
---
$11.39
55,068
-5.9
D
10b
8/6/25 - 4:32:53 pm
40
    
 
ECK STEVEN W
VP,CAO
JS
$18,614
1,385
---
7/31/25
---
$13.44
58,544
-2.3
D
---
8/4/25 - 4:43:05 pm
41
    
 
SOKENU CLAUDIUS
VP,LO,CO
JS
$43,753
3,123
---
7/24/25
---
$14.01
177,106
-1.7
D
---
7/25/25 - 4:32:28 pm
42
    
 
WALKER COREY
PR
JS
$37,046
2,730
---
6/21/25
---
$13.57
231,271
-1.2
D
---
6/24/25 - 5:20:19 pm
43
9m
4
0%
-18%
6
SUMME GREGORY L
DIR
B
$375,000
30,000
---
5/23/25
---
$12.50
100,000
42.9
I
---
5/27/25 - 4:58:03 pm
44
9m
4
0%
-18%
6
SUMME GREGORY L
DIR
B
$253,000
20,000
---
5/22/25
---
$12.65
70,000
40.0
I
---
5/22/25 - 5:37:34 pm
45
    
 
STUBBLEFIELD MICHAEL
PR,CEO,DIR
JS
---
76,000
---
5/21/25
---
---
1,219,013
-5.9
D
---
5/21/25 - 5:37:32 pm
46
    
 
STUBBLEFIELD MICHAEL
PR,CEO,DIR
JB
---
76,000
---
5/21/25
---
---
545,500
16.2
I
---
5/21/25 - 5:37:32 pm
47
    
 
WALKER COREY
PR
JB
---
162,866
---
5/9/25
---
---
234,001
229.0
D
R
5/12/25 - 5:35:49 pm
48
    
 
ECK STEVEN W
VP,CAO
JB
---
20,358
---
5/9/25
---
---
59,929
51.4
D
R
5/12/25 - 5:35:27 pm
49
    
 
SOKENU CLAUDIUS
VP,LO,CO
JB
---
122,149
---
5/9/25
---
---
180,229
210.3
D
R
5/12/25 - 5:35:17 pm
50
    
 
HANKAMER BRITTANY
VP,HR
JB
---
122,149
---
5/9/25
---
---
171,744
246.3
D
R
5/12/25 - 5:34:42 pm
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