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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:
TETRA TECH INC: TTEK
Price: 12/12/25 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
$34.56 $42.98 $27.27 $9,081 261 2,519 0.8% 4.0% 100.93% 0.53%
Exch Sector Industry Sub-Industry
NasdaqGS Services Engineering, Accounting, Research, Management, And Related Services Services- Engineering Services
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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
    
 
VOLPI KIRSTEN M
DIR
JB
---
1,718
---
11/30/25
---
---
68,218
2.6
D
R
12/2/25 - 8:23:29 pm
2
    
 
SHOEMAKER LESLIE L
VP
JS
$128,781
3,707
---
11/30/25
---
$34.74
325,821
-1.1
D
R
12/2/25 - 8:22:10 pm
3
    
 
SHOEMAKER LESLIE L
VP
JB
---
6,717
---
11/30/25
---
---
329,528
2.1
D
R
12/2/25 - 8:22:10 pm
4
    
 
OBIAYA CHRISTIANA
DIR
JB
---
1,718
---
11/30/25
---
---
9,171
23.1
D
R
12/2/25 - 8:20:17 pm
5
    
 
HOPSON PRESTON
VP,LO,HR
JS
$71,009
2,044
---
11/30/25
---
$34.74
83,142
-2.4
D
R
12/2/25 - 8:18:15 pm
6
    
 
HOPSON PRESTON
VP,LO,HR
JB
---
5,190
---
11/30/25
---
---
85,186
6.5
D
R
12/2/25 - 8:18:15 pm
7
    
 
GANDHI PRASHANT
DIR
JB
---
1,718
---
11/30/25
---
---
16,553
11.6
D
R
12/2/25 - 8:15:32 pm
8
    
 
CARTER BRIAN N
VP,CT
JS
$52,110
1,500
---
11/30/25
---
$34.74
56,475
-2.6
D
R
12/2/25 - 8:13:01 pm
9
    
 
CARTER BRIAN N
VP,CT
JB
---
2,748
---
11/30/25
---
---
57,975
5.0
D
R
12/2/25 - 8:13:01 pm
10
    
 
BURDICK STEVEN M
VP,CFO
JS
$140,489
4,044
---
11/30/25
---
$34.74
149,219
-2.6
D
R
12/2/25 - 8:11:57 pm
11
    
 
BURDICK STEVEN M
VP,CFO
JB
---
7,327
---
11/30/25
---
---
153,263
5.0
D
R
12/2/25 - 8:11:57 pm
12
    
 
ARGUS ROGER R
PR
JS
$99,530
2,865
---
11/30/25
---
$34.74
39,890
-6.7
D
R
12/2/25 - 8:08:20 pm
13
    
 
ARGUS ROGER R
PR
JB
---
5,190
---
11/30/25
---
---
42,755
13.8
D
R
12/2/25 - 8:08:20 pm
14
    
 
BATRACK DAN L
CB,CEO,DIR
JS
$778,037
22,396
---
11/30/25
---
$34.74
332,498
-6.3
D
R
12/2/25 - 8:07:02 pm
15
    
 
BATRACK DAN L
CB,CEO,DIR
JB
---
40,585
---
11/30/25
---
---
354,894
12.9
D
R
12/2/25 - 8:07:02 pm
16
1y
5
60%
-6%
1
VOLPI KIRSTEN M
DIR
OB
$9,590
1,000
---
11/28/25
---
$9.59
69,218
1.5
D
R
12/2/25 - 8:23:29 pm
17
    
 
CARTER BRIAN N
VP,CT
JS
$257,361
7,211
---
11/18/25
---
$35.69
50,250
-12.5
D
R
12/2/25 - 8:13:01 pm
18
    
 
CARTER BRIAN N
VP,CT
JB
---
13,214
---
11/18/25
---
---
61,204
27.5
D
R
12/2/25 - 8:13:01 pm
19
    
 
BATRACK DAN L
CB,CEO,DIR
JS
$3,886,213
108,888
---
11/18/25
---
$35.69
240,677
-31.1
D
R
11/20/25 - 6:51:15 pm
20
    
 
BATRACK DAN L
CB,CEO,DIR
JB
---
197,330
---
11/18/25
---
---
404,962
95.0
D
R
11/20/25 - 6:51:15 pm
21
    
 
GANDHI PRASHANT
DIR
JB
---
4,104
---
11/18/25
---
---
14,835
38.2
D
---
11/20/25 - 6:49:15 pm
22
    
 
ARGUS ROGER R
PR
JS
$521,752
14,619
---
11/18/25
---
$35.69
27,749
-34.5
D
R
11/20/25 - 6:46:24 pm
23
    
 
ARGUS ROGER R
PR
JB
---
26,492
---
11/18/25
---
---
49,651
114.4
D
R
11/20/25 - 6:46:24 pm
24
    
 
OBIAYA CHRISTIANA
DIR
JB
---
3,643
---
11/18/25
---
---
7,453
95.6
D
---
11/20/25 - 6:45:27 pm
25
    
 
SHOEMAKER LESLIE L
VP
JS
$651,450
18,253
---
11/18/25
---
$35.69
310,539
-5.6
D
R
11/20/25 - 6:44:27 pm
26
    
 
SHOEMAKER LESLIE L
VP
JB
---
33,074
---
11/18/25
---
---
337,923
10.8
D
R
11/20/25 - 6:44:27 pm
27
    
 
HOPSON PRESTON
VP,LO,HR
JS
$372,140
10,427
---
11/18/25
---
$35.69
66,714
-13.5
D
R
11/20/25 - 6:43:15 pm
28
    
 
HOPSON PRESTON
VP,LO,HR
JB
---
26,492
---
11/18/25
---
---
88,616
42.6
D
R
11/20/25 - 6:43:15 pm
29
    
 
BURDICK STEVEN M
VP,CFO
JS
$651,450
18,253
---
11/18/25
---
$35.69
133,664
-12.0
D
R
11/20/25 - 6:42:17 pm
30
    
 
BURDICK STEVEN M
VP,CFO
JB
---
33,074
---
11/18/25
---
---
161,048
25.8
D
R
11/20/25 - 6:42:17 pm
31
    
 
VOLPI KIRSTEN M
DIR
JB
---
4,104
---
11/18/25
---
---
66,500
6.6
D
---
11/20/25 - 6:38:53 pm
32
3m
1
100%
-2%
1
BIRKENBEUEL GARY
DIR
S
$86,050
2,390
---
8/14/25
---
$36.00
37,725
-6.0
D
---
8/15/25 - 4:37:14 pm
33
    
 
DOUGLAS JOHN M
DIR
OS*
$3,014
108
---
2/27/25
---
$27.91
610
-15.0
D
R
3/3/25 - 8:51:13 pm
34
    
 
DOUGLAS JOHN M
DIR
OE*
$20,039
718
---
2/27/25
---
$27.91
718
New
D
R
3/3/25 - 8:51:13 pm
35
1y
16
31%
8%
1
VOLPI KIRSTEN M
DIR
OS
---
3,800
---
2/5/25
---
---
62,396
-5.7
D
---
2/6/25 - 6:35:51 pm
36
    
 
VOLPI KIRSTEN M
DIR
OE
$57,540
6,000
---
2/5/25
---
$9.59
66,196
10.0
D
---
2/6/25 - 6:35:51 pm
37
1y
16
31%
8%
1
VOLPI KIRSTEN M
DIR
S
$347,313
10,116
---
2/4/25
---
$34.31
60,196
-14.4
D
---
2/6/25 - 6:35:51 pm
38
    
 
VOLPI KIRSTEN M
DIR
JB
---
2,125
---
11/30/24
---
---
70,312
3.1
D
R
12/3/24 - 8:10:10 pm
39
    
 
SHOEMAKER LESLIE L
VP
JS
$69,529
1,675
---
11/30/24
---
$41.51
307,841
-0.5
D
R
12/3/24 - 8:07:58 pm
40
    
 
SHOEMAKER LESLIE L
VP
JB
---
3,040
---
11/30/24
---
---
309,516
1.0
D
R
12/3/24 - 8:07:58 pm
41
    
 
OBIAYA CHRISTIANA
DIR
JB
---
2,125
---
11/30/24
---
---
3,810
126.1
D
R
12/3/24 - 8:06:52 pm
42
    
 
HOPSON PRESTON III
VP,LO,HR
JS
$44,706
1,077
---
11/30/24
---
$41.51
63,782
-1.7
D
R
12/3/24 - 8:02:37 pm
43
    
 
HOPSON PRESTON III
VP,LO,HR
JB
---
2,735
---
11/30/24
---
---
64,859
4.4
D
R
12/3/24 - 8:02:37 pm
44
    
 
GANDHI PRASHANT
DIR
JB
---
2,125
---
11/30/24
---
---
10,731
24.7
D
R
12/3/24 - 8:01:09 pm
45
    
 
CARTER BRIAN N
VP,CT
JS
$34,370
828
---
11/30/24
---
$41.51
49,224
-1.7
D
R
12/3/24 - 7:59:34 pm
46
    
 
CARTER BRIAN N
VP,CT
JB
---
1,520
---
11/30/24
---
---
50,052
3.1
D
R
12/3/24 - 7:59:34 pm
47
    
 
BURDICK STEVEN M
VP,CFO
JS
$83,352
2,008
---
11/30/24
---
$41.51
130,966
-1.5
D
R
12/3/24 - 7:58:29 pm
48
    
 
BURDICK STEVEN M
VP,CFO
JB
---
3,645
---
11/30/24
---
---
132,974
2.8
D
R
12/3/24 - 7:58:29 pm
49
    
 
BATRACK DAN L
CB,CEO,PR,DIR
JS
$485,999
11,708
---
11/30/24
---
$41.51
225,718
-4.9
D
R
12/3/24 - 7:56:39 pm
50
    
 
BATRACK DAN L
CB,CEO,PR,DIR
JB
---
21,255
---
11/30/24
---
---
237,426
9.8
D
R
12/3/24 - 7:56:39 pm
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