Tetra Tech Inc (TTEK) Insider Ownership

Historic Ownership Trends

According to recent filings covering the 90 days ending December 17, 2025, the three most significant insider holders at Tetra Tech are Chairman And CEO Dan L Batrack (332.50K shares), EVP And Chief Sustainability Leslie L Shoemaker (325.82K shares), EVP And Cfo Steven M Burdick (149.22K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Dan L Batrack Chairman And CEO 332,498 02 Dec, 2025
Leslie L Shoemaker EVP And Chief Sustainability 325,821 02 Dec, 2025
Steven M Burdick EVP And Cfo 149,219 02 Dec, 2025
Kimberly E Ritrievi 145,590 22 Nov, 2024
Joanne M Maguire 97,785 02 Oct, 2024
William R Brownlie SVP And Chief Engineer 426,880 21 Mar, 2022
Preston Hopson EVP And Chief Legal/Human Capital 83,142 02 Dec, 2025
Kirsten M Volpi 69,218 02 Dec, 2025
J Christopher Lewis 289,375 16 Dec, 2022
Brian N Carter SVP And Corporate Controller 56,475 02 Dec, 2025
Roger R Argus President 39,890 02 Dec, 2025
Gary Birkenbeuel 37,725 15 Aug, 2025
Craig L Christensen SVP And Cio 182,035 30 Nov, 2021
Richard A Lemmon SVP And Corporate Administration 178,875 08 Dec, 2021
Prashant Gandhi 16,553 02 Dec, 2025
Bernard Teufele SVP And Canada And South America 64,335 24 Nov, 2021
Derek G Amidon SVP And Comm./Int'L Svcs. Group 55,705 22 Nov, 2022
J Kenneth Thompson 54,925 16 Feb, 2024
Christiana Obiaya 9,171 02 Dec, 2025
Patrick C Haden 15,310 21 Mar, 2022
Jill Hudkins President 12,620 28 Nov, 2023
Brendan M. O'Rourke SVP And Enterprise Risk Mgmt. 6,720 31 Jan, 2022
Mark A Rynning SVP And R&S Infrastructure 5,820 22 Nov, 2021
John M. Douglas 610 03 Mar, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
30 Nov, 2025 Dan L Batrack COMMON STOCK A 21,255 $0.00 335,564 D M
30 Nov, 2025 Preston Hopson COMMON STOCK A 2,735 $0.00 82,731 D M
30 Nov, 2025 Kirsten M Volpi COMMON STOCK A 1,718 $0.00 68,218 D M
30 Nov, 2025 Prashant Gandhi COMMON STOCK A 1,718 $0.00 16,553 D M
30 Nov, 2025 Steven M Burdick COMMON STOCK A 3,645 $0.00 149,581 D M
30 Nov, 2025 Roger R Argus COMMON STOCK A 2,735 $0.00 40,300 D M
30 Nov, 2025 Christiana Obiaya COMMON STOCK A 1,718 $0.00 9,171 D M
30 Nov, 2025 Leslie L Shoemaker COMMON STOCK A 3,035 $0.00 325,846 D M
30 Nov, 2025 Preston Hopson COMMON STOCK A 2,455 $0.00 85,186 D M
28 Nov, 2025 Kirsten M Volpi COMMON STOCK A 1,000 $9.59 69,218 D M
30 Nov, 2025 Leslie L Shoemaker COMMON STOCK A 3,682 $0.00 329,528 D M
30 Nov, 2025 Steven M Burdick COMMON STOCK A 3,682 $0.00 153,263 D M
30 Nov, 2025 Dan L Batrack COMMON STOCK A 19,330 $0.00 354,894 D M
30 Nov, 2025 Roger R Argus COMMON STOCK A 2,455 $0.00 42,755 D M
30 Nov, 2025 Leslie L Shoemaker COMMON STOCK D 3,707 $34.74 325,821 D F
30 Nov, 2025 Steven M Burdick COMMON STOCK D 4,044 $34.74 149,219 D F
30 Nov, 2025 Roger R Argus COMMON STOCK D 2,865 $34.74 39,890 D F
30 Nov, 2025 Dan L Batrack COMMON STOCK D 22,396 $34.74 332,498 D F
30 Nov, 2025 Preston Hopson COMMON STOCK D 2,044 $34.74 83,142 D F
18 Nov, 2025 Dan L Batrack COMMON STOCK A 14,030 $0.00 239,897 D M