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 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
908 DEVICES INC: MASS
Price: 3/6/26 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
$6.26 $9.34 $2.67 $227 36 404 0.0% 21.5% 89.79% 9.12%
Exch Sector Industry Sub-Industry
NasdaqGM Manufacturing Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks Measuring & Controlling Devices, N E C
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#
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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
    
 
MCCALLION KEVIN J
VP
AS
$49
7
---
3/2/26
---
$7.00
44,925
-0.0
D
A,10b
3/5/26 - 4:50:42 pm
2
    
 
MCCALLION KEVIN J
VP
OE
$7
7
---
3/2/26
---
$1.05
44,932
0.0
D
A,10b
3/5/26 - 4:50:42 pm
3
    
 
MCCALLION KEVIN J
VP
AS
$49
7
---
3/2/26
---
$7.00
44,918
-0.0
D
10b
3/4/26 - 4:07:13 pm
4
    
 
KENNEWEG JOHN
VP,SO
3
---
---
---
2/26/26
---
---
57,784
---
D
R
3/6/26 - 4:25:55 pm
5
    
 
LEVINE MARK S
LO
3
---
---
---
2/26/26
---
---
---
---
---
R
3/5/26 - 4:52:31 pm
6
    
 
MCCALLION KEVIN J
VP
3
---
---
---
2/26/26
---
---
44,925
---
D
R
3/4/26 - 4:05:25 pm
7
    
 
KNOPP KEVIN J
PR,CEO,DIR
S
$214,842
34,764
---
2/2/26
---
$6.18
795,968
-4.2
D
R
2/3/26 - 8:45:24 pm
8
    
 
GRIFFITH JOSEPH H IV
CFO
S
$143,222
23,175
---
2/2/26
---
$6.18
139,896
-14.2
D
R
2/3/26 - 8:45:22 pm
9
    
 
BROWN CHRISTOPHER D
DIR
JB
---
23,437
---
2/1/26
---
---
985,559
2.4
D
R
2/3/26 - 8:45:26 pm
10
    
 
KNOPP KEVIN J
PR,CEO,DIR
JB
---
107,999
---
2/1/26
---
---
830,732
14.9
D
R
2/3/26 - 8:45:24 pm
11
    
 
GRIFFITH JOSEPH H IV
CFO
JB
---
70,141
---
2/1/26
---
---
163,071
75.5
D
R
2/3/26 - 8:45:22 pm
12
    
 
SPOTO MARK
DIR
JS
---
928
---
12/30/25
---
---
---
All
I
---
2/3/26 - 8:45:21 pm
13
    
 
SPOTO MARK
DIR
JB
---
928
---
12/30/25
---
---
75,263
1.2
D
---
2/3/26 - 8:45:21 pm
14
    
 
SPOTO MARK
DIR
JB
---
928
---
10/14/25
---
---
928
New
I
---
2/3/26 - 8:45:21 pm
15
    
 
GRIFFITH JOSEPH H IV
CFO
AS
$45,247
5,000
10/2/25
10/3/25
$9.04
$9.05
92,930
-5.1
D
10b
10/6/25 - 12:41:19 pm
16
    
 
GRIFFITH JOSEPH H IV
CFO
AS
$35,339
5,000
---
9/19/25
---
$7.07
97,930
-4.9
D
10b
9/23/25 - 12:33:53 pm
17
    
 
VANN BRANDI C
DIR
3
---
---
---
8/1/25
---
---
---
---
---
---
8/18/25 - 4:02:13 pm
18
    
 
LEONHART MICHELE M
DIR
JB
---
6,485
---
6/25/25
---
---
6,485
New
D
R
6/27/25 - 4:01:18 pm
19
    
 
BROWN CHRISTOPHER D
DIR
3
---
---
---
6/13/25
---
---
962,122
---
D
R
6/18/25 - 4:37:18 pm
20
    
 
HRUSOVSKY E KEVIN
DIR
JB
---
11,364
---
6/11/25
---
---
151,307
8.1
D
R
6/13/25 - 4:21:34 pm
21
    
 
HUNT ANTHONY
DIR
JB
---
11,364
---
6/11/25
---
---
30,085
60.7
D
R
6/13/25 - 4:21:03 pm
22
    
 
GEORGE JEFFREY P
DIR
JB
---
11,364
---
6/11/25
---
---
26,814
73.6
D
R
6/13/25 - 4:20:37 pm
23
    
 
ELOI FENEL M
DIR
JB
---
11,364
---
6/11/25
---
---
26,814
73.6
D
R
6/13/25 - 4:19:55 pm
24
    
 
EISENBERG MARCIA
DIR
JB
---
11,364
---
6/11/25
---
---
25,957
77.9
D
R
6/13/25 - 4:19:17 pm
25
    
 
CRANDELL KEITH
DIR,BO
JB
---
11,364
---
6/11/25
---
---
25,291
81.6
D
R
6/13/25 - 4:18:44 pm
26
    
 
SPOTO MARK
DIR
JB
---
11,364
---
6/11/25
---
---
74,335
18.0
D
R
6/13/25 - 4:18:07 pm
27
    
 
GRIFFITH JOSEPH H IV
CFO
AS
$49,135
6,940
---
6/4/25
---
$7.08
102,930
-6.3
D
10b
6/6/25 - 5:51:01 pm
28
    
 
KNOPP KEVIN J
PR,CEO,DIR
B
$66,596
15,000
---
5/15/25
---
$4.44
722,733
2.1
D
R
5/19/25 - 4:37:42 pm
29
    
 
SPOTO MARK
DIR
B
$42,850
10,000
---
5/14/25
---
$4.25
62,971
18.9
D
---
5/15/25 - 4:52:08 pm
30
    
 
KNOPP KEVIN J
PR,CEO,DIR
B
$64,788
15,000
---
5/14/25
---
$4.32
707,733
2.2
D
R
5/14/25 - 4:28:02 pm
31
    
 
AWM INVESTMENT COMPANY INC
BO
3
---
---
---
3/4/25
---
---
5,199,924
---
I
---
3/14/25 - 4:27:06 pm
32
    
 
HUNT ANTHONY
DIR
JB
---
2,058
---
3/2/25
---
---
18,721
12.4
D
R
3/4/25 - 6:49:13 pm
33
    
 
GRIFFITH JOSEPH H IV
CFO
S
$23,985
10,236
---
2/3/25
$2.34
$2.35
109,870
-8.5
D
R
2/4/25 - 4:51:19 pm
34
    
 
TURNER MICHAEL S
LO
S
$22,499
9,672
---
2/3/25
---
$2.32
24,603
-28.2
D
R
2/4/25 - 4:50:50 pm
35
    
 
KNOPP KEVIN J
PR,CEO,DIR
S
$37,109
16,001
---
2/3/25
$2.31
$2.32
692,733
-2.3
D
R
2/4/25 - 4:50:23 pm
36
    
 
BROWN CHRISTOPHER D
O
S
$18,191
7,767
---
2/3/25
---
$2.33
962,122
-0.8
D
R
2/4/25 - 4:49:58 pm
37
    
 
GRIFFITH JOSEPH H IV
CFO
JB
---
26,669
---
2/1/25
---
---
120,106
28.5
D
R
2/4/25 - 4:51:19 pm
38
    
 
TURNER MICHAEL S
LO
JB
---
25,170
---
2/1/25
---
---
34,275
276.4
D
R
2/4/25 - 4:50:50 pm
39
    
 
KNOPP KEVIN J
PR,CEO,DIR
JB
---
41,709
---
2/1/25
---
---
708,734
6.3
D
R
2/4/25 - 4:50:23 pm
40
    
 
BROWN CHRISTOPHER D
O
JB
---
23,436
---
2/1/25
---
---
969,889
2.5
D
R
2/4/25 - 4:49:58 pm
41
    
 
BROWN CHRISTOPHER D
O
OB
$87,107
55,131
---
12/19/24
---
$1.58
946,453
6.2
D
---
12/19/24 - 4:53:26 pm
42
    
 
KNOPP KEVIN J
PR,CEO,DIR
OB
$257,771
158,044
---
12/13/24
---
$1.58
667,025
31.1
D
---
12/16/24 - 4:13:19 pm
43
    
 
BROWN CHRISTOPHER D
O
OB
$9,998
6,328
---
8/7/24
---
$1.58
891,322
0.7
D
---
8/8/24 - 5:01:58 pm
44
    
 
LEONHART MICHELE M
DIR
3
---
---
---
6/25/24
---
---
---
---
---
---
6/26/24 - 4:04:55 pm
45
    
 
LEONHART MICHELE M
DIR
3
---
---
---
6/25/24
---
---
---
---
---
---
6/26/24 - 4:04:16 pm
46
    
 
CRANDELL KEITH
DIR,BO
JB
---
7,777
---
6/12/24
---
---
13,927
126.5
D
R
6/14/24 - 4:21:40 pm
47
    
 
SPOTO MARK
DIR
JB
---
7,777
---
6/12/24
---
---
52,971
17.2
D
R
6/14/24 - 4:21:27 pm
48
    
 
HRUSOVSKY E KEVIN
DIR
JB
---
7,777
---
6/12/24
---
---
139,943
5.9
D
R
6/14/24 - 4:21:13 pm
49
    
 
HUNT ANTHONY
DIR
JB
---
7,777
---
6/12/24
---
---
16,663
87.5
D
R
6/14/24 - 4:21:00 pm
50
    
 
GEORGE JEFFREY P
DIR
JB
---
7,777
---
6/12/24
---
---
15,450
101.4
D
R
6/14/24 - 4:20:47 pm
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