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TETRA TECH INC

TTEK Net selling
CIK 0000831641 #973 in the set updated 20 Sep 2026
Bought (120 mo)
$50.18K
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$218.37M
$0.00 on a plan · $139.88M straight out of an exercise
Sold at will
$78.49M
98 of 257 sales
Net
−$218.32M
−$78.44M against sales at will

By person

32 insiders · 277 transactions
7.0×

Mr. Batrack holds 7.0 times base salary in stock. $8.78M of shares against $1.25M in salary for 2025.

Salary from the company's own proxy. The shares are what Mr. Batrack last reported holding, valued at $26.41, the price COMMON STOCK was last bought or sold at on the open market here, on 15 May 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
BATRACK DAN L
Chairman and CEO
—
$92.35M (32) scheduled
−$92.35M
332,498
0.1299%
$8.78M
+11.2%
BURDICK STEVEN M
EVP, CFO
—
$23.75M (15) scheduled
−$23.75M
138,251
0.0540%
$3.65M
−10.6%
SHOEMAKER LESLIE L
EVP, Chief Sustainability
—
$17.30M (11) scheduled
−$17.30M
325,821
0.1273%
$8.60M
−5.8%
LEMMON RICHARD A
SVP, Corporate Administration
—
$10.04M (19) scheduled
−$10.04M
35,775
0.0140%
$944.82K
+30.5%
LEWIS J CHRISTOPHER
Director
—
$9.23M (18)
−$9.23M
57,875
0.0226%
$1.53M
+10.2%
THOMPSON J KENNETH
Director
—
$8.72M (17) scheduled
−$8.72M
10,985
0.0043%
$290.11K
−6.7%
CARTER BRIAN N
SVP, Corporate Controller
—
$7.79M (15) scheduled
−$7.79M
46,496
0.0182%
$1.23M
+9.2%
HADEN PATRICK C
Director
—
$6.97M (14) scheduled
−$6.97M
3,062
0.0012%
$80.87K
−69.5%
BROWNLIE WILLIAM R
SVP, Chief Engineer
—
$6.70M (7) scheduled
−$6.70M
85,376
0.0333%
$2.25M
+23.4%
CHRISTENSEN CRAIG L
SVP, CIO
—
$5.34M (16) scheduled
−$5.34M
36,407
0.0142%
$961.51K
+46.5%
CHU RONALD J
EXECUTIVE VICE PRESIDENT
—
$4.38M (5) scheduled
−$4.38M
37,104
0.0145%
$979.92K
−62.9%
Volpi Kirsten M
Director
—
$3.93M (21)
−$3.93M
74,218
0.0290%
$1.96M
+29.6%
Argus Roger R
President and CEO
—
$3.42M (14)
−$3.42M
39,890
0.0156%
$1.05M
+142.6%
SMITH ALBERT E
Director
—
$3.10M (8) scheduled
−$3.10M
47,570
0.0186%
$1.26M
+37.8%
GRANT HUGH M
Director
—
$2.65M (5) scheduled
−$2.65M
24,913
0.0097%
$657.95K
+110.1%
Ritrievi Kimberly E
Director
—
$2.55M (6)
−$2.55M
192,259
0.0751%
$5.08M
+54.8%
Hopson Preston
EVP, Chief Legal/Human Capital
—
$2.14M (4)
−$2.14M
83,142
0.0325%
$2.20M
+130.3%
Amidon Derek G
SVP, Comm./Int'l Svcs. Group
—
$1.72M (5) scheduled
−$1.72M
11,141
0.0044%
$294.23K
−13.6%
MCDONALD KEVIN P
Former SVP, Human Resources
—
$1.59M (4) scheduled
−$1.59M
22,038
0.0086%
$582.02K
+52.7%
Rynning Mark A
SVP, R&S Infrastructure
—
$1.42M (9)
−$1.42M
1,164
0.0005%
$30.74K
−54.4%
SALIN JANIS B
SVP, GENERAL COUNSEL
—
$1.15M (2) scheduled
−$1.15M
25,046
0.0098%
$661.46K
+1.2%
O'Rourke Brendan M.
SVP, Enterprise Risk Mgmt.
—
$852.61K (2)
−$852.61K
1,344
0.0005%
$35.50K
+166.1%
Hudkins Jill
President
—
$458.63K (3)
−$458.63K
2,828
0.0011%
$74.69K
−38.5%
TRULY RICHARD H
Director
—
$330.46K (1) scheduled
−$330.46K
13,220
0.0052%
$349.14K
+11.5%
Auman Jan K
SVP, Global Development Svcs.
—
$302.36K (2)
−$302.36K
6,926
0.0027%
$182.92K
−28.0%
Teufele Bernard
SVP, Canada and South America
—
$119.04K (1)
−$119.04K
12,867
0.0050%
$339.82K
+157.1%
Birkenbeuel Gary
Director
—
$86.05K (1)
−$86.05K
51,032
0.0199%
$1.35M
+59.0%
Feeler Jeffrey R
Director
$50.18K (1)
—
+$50.18K
1,900
0.0007%
$50.18K
—
Maguire Joanne M
Director
—
—
—
97,785
0.0382%
$2.58M
+27.8%
Gandhi Prashant
Director
—
—
—
16,553
0.0065%
$437.16K
+400.8%
Obiaya Christiana
Director
—
—
—
9,666
0.0038%
$255.28K
+617.1%
Douglas John M.
Director
—
—
—
610
0.0002%
$16.11K
—

Individual transactions

133
Insider
Date
Role
Action
Shares
Price
Amount
SHOEMAKER LESLIE L
13 Jun 2024
EVP, Chief Sustainability
Sold after exercise
11,161
$211.83
$2.36M
CARTER BRIAN N
9 Feb 2024
SVP, Corporate Controller
Sold after exercise
5,580
$176.52
$984.98K
THOMPSON J KENNETH
5 Feb 2024
Director
Sold after exercise
8,400
$165.00
$1.39M
LEWIS J CHRISTOPHER
25 Aug 2022
Director
Sold after exercise
15,390
$143.57
$2.21M
LEWIS J CHRISTOPHER
25 Aug 2022
Director
Sold after exercise
1,410
$144.18
$203.30K
BROWNLIE WILLIAM R
18 Mar 2022
SVP, Chief Engineer
Sold after exercise
8,967
$165.13
$1.48M
BATRACK DAN L
10 Dec 2021
CHAIRMAN AND CEO
Sold after exercise
9,670
$171.50
$1.66M
BATRACK DAN L
9 Dec 2021
CHAIRMAN AND CEO
Sold after exercise
4,817
$181.18
$872.77K
BURDICK STEVEN M
3 Dec 2021
EVP, CFO
Sold after exercise
2,790
$185.18
$516.65K
Argus Roger R
24 Nov 2021
SVP, Government Services Group
Sold after exercise
1,395
$189.52
$264.38K
Argus Roger R
24 Nov 2021
SVP, Government Services Group
Sold after exercise
976
$189.52
$184.97K
Argus Roger R
24 Nov 2021
SVP, Government Services Group
Sold after exercise
2,975
$188.65
$561.24K
CHRISTENSEN CRAIG L
3 Sep 2021
SVP, CIO
Sold after exercise
4,756
$150.90
$717.69K
THOMPSON J KENNETH
3 Sep 2021
Director
Sold after exercise
4,200
$152.03
$638.51K
LEWIS J CHRISTOPHER
30 Aug 2021
Director
Sold after exercise
850
$143.11
$121.64K
BROWNLIE WILLIAM R
22 Feb 2021
SVP, Chief Engineer
Sold after exercise
12,788
$141.82
$1.81M
CARTER BRIAN N
22 Feb 2021
SVP, Corporate Controller
Sold after exercise
6,459
$141.24
$912.25K
LEMMON RICHARD A
19 Feb 2021
SVP, Corporate Administration
Sold after exercise
8,060
$138.90
$1.12M
LEMMON RICHARD A
19 Feb 2021
SVP, Corporate Administration
Sold after exercise
2,648
$138.95
$367.94K
LEMMON RICHARD A
18 Feb 2021
SVP, Corporate Administration
Sold after exercise
2,722
$137.25
$373.59K
Amidon Derek G
16 Feb 2021
SVP, Comm./Int'l Svcs. Group
Sold after exercise
6,052
$136.70
$827.34K
Amidon Derek G
16 Feb 2021
SVP, Comm./Int'l Svcs. Group
Sold after exercise
1,395
$136.65
$190.63K
CHRISTENSEN CRAIG L
8 Feb 2021
SVP, CIO
Sold after exercise
4,000
$135.15
$540.60K
THOMPSON J KENNETH
5 Feb 2021
Director
Sold after exercise
4,200
$134.21
$563.67K
LEWIS J CHRISTOPHER
2 Feb 2021
Director
Sold after exercise
1,449
$127.61
$184.90K
SHOEMAKER LESLIE L
24 Nov 2020
President
Sold after exercise
36,904
$122.55
$4.52M
LEMMON RICHARD A
23 Nov 2020
SVP, Corporate Administration
Sold after exercise
10,030
$123.00
$1.23M
Volpi Kirsten M
23 Nov 2020
Director
Sold after exercise
950
$122.20
$116.09K
Argus Roger R
18 Nov 2020
SVP, Government Services Group
Sold after exercise
1,395
$125.24
$174.71K
BATRACK DAN L
18 Nov 2020
CHAIRMAN AND CEO
Sold after exercise
59,112
$123.76
$7.32M
BURDICK STEVEN M
18 Nov 2020
EVP, CFO
Sold after exercise
19,798
$123.41
$2.44M
CHRISTENSEN CRAIG L
17 Nov 2020
SVP, CIO
Sold after exercise
2,487
$122.00
$303.41K
Rynning Mark A
17 Nov 2020
SVP, R & S Infrastructure
Sold after exercise
1,395
$125.49
$175.05K
HADEN PATRICK C
16 Nov 2020
Director
Sold after exercise
21,000
$122.83
$2.58M
Ritrievi Kimberly E
16 Nov 2020
Director
Sold after exercise
4,076
$120.46
$491.00K
Volpi Kirsten M
16 Nov 2020
Director
Sold after exercise
997
$122.26
$121.89K
SHOEMAKER LESLIE L
3 Sep 2020
President
Sold after exercise
17,394
$93.92
$1.63M
SHOEMAKER LESLIE L
3 Sep 2020
President
Sold after exercise
1,600
$95.86
$153.38K
SHOEMAKER LESLIE L
2 Sep 2020
President
Sold after exercise
5,000
$96.15
$480.74K
LEMMON RICHARD A
24 Aug 2020
SVP, Corporate Administration
Sold after exercise
2,936
$93.51
$274.53K
LEMMON RICHARD A
20 Aug 2020
SVP, Corporate Administration
Sold after exercise
4,000
$94.44
$377.76K
LEMMON RICHARD A
19 Aug 2020
SVP, Corporate Administration
Sold after exercise
1,016
$95.07
$96.60K
CHRISTENSEN CRAIG L
13 Aug 2020
SVP, CIO
Sold after exercise
4,000
$98.88
$395.50K
LEWIS J CHRISTOPHER
12 Aug 2020
Director
Sold after exercise
1,088
$94.86
$103.21K
BURDICK STEVEN M
5 Aug 2020
EVP, CFO
Sold after exercise
17,622
$91.38
$1.61M
THOMPSON J KENNETH
3 Aug 2020
Director
Sold after exercise
4,200
$90.74
$381.10K
BROWNLIE WILLIAM R
27 May 2020
SVP, Chief Engineer
Sold after exercise
10,000
$79.57
$795.66K
Volpi Kirsten M
7 May 2020
Director
Sold after exercise
1,351
$70.56
$95.33K
GRANT HUGH M
24 Feb 2020
Director
Sold after exercise
8,000
$95.00
$760.04K
LEMMON RICHARD A
13 Feb 2020
SVP, Corporate Administration
Sold after exercise
3,996
$96.00
$383.62K
LEMMON RICHARD A
12 Feb 2020
SVP, Corporate Administration
Sold after exercise
10,175
$97.77
$994.84K
LEMMON RICHARD A
12 Feb 2020
SVP, Corporate Administration
Sold after exercise
6,004
$96.00
$576.38K
BATRACK DAN L
11 Feb 2020
CHAIRMAN AND CEO
Sold after exercise
29,438
$96.07
$2.83M
CHRISTENSEN CRAIG L
11 Feb 2020
SVP, CIO
Sold after exercise
6,000
$96.31
$577.83K
BATRACK DAN L
10 Feb 2020
CHAIRMAN AND CEO
Sold after exercise
17,512
$95.42
$1.67M
BURDICK STEVEN M
10 Feb 2020
EVP, CFO
Sold after exercise
16,229
$95.27
$1.55M
CARTER BRIAN N
10 Feb 2020
SVP, Corporate Controller
Sold after exercise
16,163
$95.29
$1.54M
BATRACK DAN L
6 Feb 2020
CHAIRMAN AND CEO
Sold after exercise
24,671
$92.42
$2.28M
BURDICK STEVEN M
6 Feb 2020
EVP, CFO
Sold after exercise
23,143
$92.40
$2.14M
THOMPSON J KENNETH
5 Feb 2020
Director
Sold after exercise
8,000
$89.77
$718.17K
SMITH ALBERT E
4 Feb 2020
Director
Sold after exercise
4,200
$88.10
$370.02K
LEWIS J CHRISTOPHER
3 Feb 2020
Director
Sold after exercise
4,237
$87.11
$369.09K
Amidon Derek G
22 Jan 2020
SVP, Comm./Int'l Svcs. Group
Sold after exercise
4,783
$90.00
$430.47K
GRANT HUGH M
12 Dec 2019
Director
Sold after exercise
8,000
$87.49
$699.92K
HADEN PATRICK C
3 Dec 2019
Director
Sold after exercise
3,830
$86.24
$330.30K
HADEN PATRICK C
3 Dec 2019
Director
Sold after exercise
4,200
$86.45
$363.11K
BURDICK STEVEN M
25 Nov 2019
EVP, CFO
Sold after exercise
16,000
$87.43
$1.40M
Ritrievi Kimberly E
25 Nov 2019
Director
Sold after exercise
2,696
$88.16
$237.67K
Rynning Mark A
25 Nov 2019
SVP, U.S. Infrastructure
Sold after exercise
1,015
$87.21
$88.52K
Rynning Mark A
25 Nov 2019
SVP, U.S. Infrastructure
Sold after exercise
1,395
$87.31
$121.80K
Argus Roger R
20 Nov 2019
SVP, Government Services Group
Sold after exercise
1,041
$86.48
$90.03K
Argus Roger R
20 Nov 2019
SVP, Government Services Group
Sold after exercise
1,395
$86.45
$120.60K
CHRISTENSEN CRAIG L
18 Nov 2019
SVP, CIO
Sold after exercise
5,000
$87.01
$435.07K
LEMMON RICHARD A
12 Sep 2019
SVP, Corporate Administration
Sold after exercise
6,000
$82.50
$495.00K
LEMMON RICHARD A
12 Sep 2019
SVP, Corporate Administration
Sold after exercise
5,510
$83.00
$457.33K
LEMMON RICHARD A
6 Sep 2019
SVP, Corporate Administration
Sold after exercise
3,000
$83.00
$249.00K
BATRACK DAN L
5 Sep 2019
CHAIRMAN, CEO & PRESIDENT
Sold after exercise
30,453
$83.37
$2.54M
BATRACK DAN L
4 Sep 2019
CHAIRMAN, CEO & PRESIDENT
Sold after exercise
43,560
$82.20
$3.58M
CHRISTENSEN CRAIG L
3 Sep 2019
SVP, CIO
Sold after exercise
5,000
$80.43
$402.15K
HADEN PATRICK C
3 Sep 2019
Director
Sold after exercise
8,000
$80.62
$644.99K
BURDICK STEVEN M
19 Aug 2019
EVP, CFO
Sold after exercise
27,500
$81.18
$2.23M
THOMPSON J KENNETH
16 Aug 2019
Director
Sold after exercise
4,200
$80.08
$336.34K
SHOEMAKER LESLIE L
14 Aug 2019
EVP, Operations
Sold after exercise
16,750
$77.43
$1.30M
Volpi Kirsten M
14 Aug 2019
Director
Sold after exercise
4,000
$78.00
$312.00K
Rynning Mark A
14 Jun 2019
SVP, U.S. Infrastructure
Sold after exercise
1,395
$72.31
$100.87K
BATRACK DAN L
6 Jun 2019
CHAIRMAN, CEO & PRESIDENT
Sold after exercise
95,109
$72.49
$6.89M
SMITH ALBERT E
24 Apr 2019
Director
Sold after exercise
4,200
$64.00
$268.80K
BROWNLIE WILLIAM R
1 Apr 2019
SVP, Chief Engineer
Sold after exercise
16,750
$60.00
$1.01M
SMITH ALBERT E
1 Apr 2019
Director
Sold after exercise
12,600
$60.00
$756.00K
THOMPSON J KENNETH
5 Mar 2019
Director
Sold after exercise
5,474
$60.00
$328.44K
THOMPSON J KENNETH
4 Mar 2019
Director
Sold after exercise
2,526
$60.00
$151.56K
CHRISTENSEN CRAIG L
25 Feb 2019
SVP, CIO
Sold after exercise
3,925
$60.00
$235.50K
GRANT HUGH M
21 Feb 2019
Director
Sold after exercise
8,000
$59.00
$472.00K
SMITH ALBERT E
19 Feb 2019
Director
Sold after exercise
4,200
$59.00
$247.80K
CARTER BRIAN N
14 Feb 2019
SVP, Corporate Controller
Sold after exercise
10,764
$57.96
$623.90K
LEWIS J CHRISTOPHER
8 Feb 2019
Director
Sold after exercise
3,261
$55.69
$181.61K
THOMPSON J KENNETH
6 Feb 2019
Director
Sold after exercise
8,000
$55.24
$441.92K
CHRISTENSEN CRAIG L
31 Jan 2019
SVP, CIO
Sold after exercise
3,925
$55.00
$215.88K
CHRISTENSEN CRAIG L
10 Jan 2019
SVP, CIO
Sold after exercise
625
$53.00
$33.13K
CHRISTENSEN CRAIG L
10 Jan 2019
SVP, CIO
Sold after exercise
3,400
$52.75
$179.34K
SMITH ALBERT E
9 Jan 2019
Director
Sold after exercise
8,000
$53.00
$424.00K
Ritrievi Kimberly E
11 Dec 2018
Director
Sold after exercise
4,323
$54.37
$235.04K
Argus Roger R
26 Nov 2018
SVP, Government Services Group
Sold after exercise
1,473
$62.59
$92.20K
Argus Roger R
26 Nov 2018
SVP, Government Services Group
Sold after exercise
1,395
$62.61
$87.34K
BATRACK DAN L
15 Nov 2018
CHAIRMAN, CEO & PRESIDENT
Sold after exercise
14,869
$64.55
$959.86K
BATRACK DAN L
14 Nov 2018
CHAIRMAN, CEO & PRESIDENT
Sold after exercise
30,000
$65.38
$1.96M
CHRISTENSEN CRAIG L
14 Nov 2018
SVP, CIO
Sold after exercise
2,379
$65.36
$155.48K
CHRISTENSEN CRAIG L
14 Nov 2018
SVP, CIO
Sold after exercise
4,371
$66.31
$289.86K
LEMMON RICHARD A
16 Mar 2018
SVP, CORPORATE ADMINISTRATION
Sold after exercise
15,089
$51.09
$770.84K
MCDONALD KEVIN P
16 Mar 2018
SVP, CORPORATE HUMAN RESOURCES
Sold after exercise
16,750
$50.98
$853.86K
BATRACK DAN L
14 Mar 2018
CHAIRMAN AND CEO
Sold after exercise
8,496
$51.27
$435.59K
SHOEMAKER LESLIE L
14 Mar 2018
EVP, WEI GROUP PRESIDENT
Sold after exercise
16,750
$51.32
$859.60K
LEMMON RICHARD A
13 Mar 2018
SVP, CORPORATE ADMINISTRATION
Sold after exercise
200
$52.09
$10.42K
BATRACK DAN L
13 Mar 2018
CHAIRMAN AND CEO
Sold after exercise
59,774
$51.67
$3.09M
BURDICK STEVEN M
13 Mar 2018
EVP, CFO
Sold after exercise
16,750
$51.67
$865.41K
LEMMON RICHARD A
12 Mar 2018
SVP, CORPORATE ADMINISTRATION
Sold after exercise
1,461
$52.25
$76.34K
LEMMON RICHARD A
6 Mar 2018
SVP, CORPORATE ADMINISTRATION
Sold after exercise
16,750
$50.03
$837.99K
THOMPSON J KENNETH
21 Feb 2018
Director
Sold after exercise
8,000
$50.01
$400.07K
GRANT HUGH M
16 Feb 2018
Director
Sold after exercise
8,000
$48.00
$384.00K
BROWNLIE WILLIAM R
9 Feb 2018
SVP, CHIEF ENGINEER
Sold after exercise
4,037
$46.16
$186.36K
LEWIS J CHRISTOPHER
5 Feb 2018
Director
Sold after exercise
8,000
$49.91
$399.27K
BROWNLIE WILLIAM R
5 Feb 2018
SVP, CHIEF ENGINEER
Sold after exercise
12,713
$50.36
$640.26K
MCDONALD KEVIN P
5 Feb 2018
SVP, CORPORATE HUMAN RESOURCES
Sold after exercise
5,500
$50.44
$277.41K
BATRACK DAN L
14 Dec 2017
CHAIRMAN AND CEO
Sold after exercise
159
$47.90
$7.62K
BATRACK DAN L
13 Dec 2017
CHAIRMAN AND CEO
Sold after exercise
10,874
$48.34
$525.69K
BATRACK DAN L
11 Dec 2017
CHAIRMAN AND CEO
Sold after exercise
19,100
$48.06
$917.95K
BATRACK DAN L
8 Dec 2017
CHAIRMAN AND CEO
Sold after exercise
43,317
$48.65
$2.11M
BATRACK DAN L
7 Dec 2017
CHAIRMAN AND CEO
Sold after exercise
12,341
$48.75
$601.60K
BATRACK DAN L
6 Dec 2017
CHAIRMAN AND CEO
Sold after exercise
8,968
$48.56
$435.47K
BATRACK DAN L
6 Dec 2017
CHAIRMAN AND CEO
Sold after exercise
10,856
$48.76
$529.39K
CARTER BRIAN N
27 Nov 2017
SVP, CORPORATE CONTROLLER
Sold after exercise
2,694
$49.99
$134.68K
CARTER BRIAN N
27 Nov 2017
SVP, CORPORATE CONTROLLER
Sold after exercise
10,000
$49.92
$499.23K
CHU RONALD J
9 Nov 2017
EXECUTIVE VICE PRESIDENT
Sold after exercise
20,875
$50.00
$1.04M
Showing 250 of 277 transactions. The figures above use every one of them.

What was left out

Form 4 filings counted 615
Amendments (4/A) skipped 2
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 159
Sales at will 98
Transactions with no price 0
Shares from compensation/vesting 5,240,153
Sales filed before the plan box existed 71
History held since 23 Sep 2016