Brian N Carter Tetra Tech Inc (TTEK) insider trading activity

Brian N Carter is SVP, Corporate Controller of TETRA TECH INC. Currently has a direct ownership of 56,475 shares of TTEK, which is worth approximately $2.04 Million. The most recent transaction as insider was on Nov 30, 2025, when has been sold 1,500 shares (Common Stock) at a price of $34.74 per share, resulting in proceeds of $52,110. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 56.5K

14.73% 3M change

14.73% 12M change

Total Value Held $2.04 Million

BRIAN N CARTER Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Nov 30 2025	SELL Payment of exercise price or tax liability	$52,110 $34.74 p/Share	1,500 Reduced 2.59%	56,475 Common Stock
Nov 30 2025	BUY Exercise of conversion of derivative security	-	2,748 Added 4.53%	57,975 Common Stock
Nov 18 2025	SELL Payment of exercise price or tax liability	$257,360 $35.69 p/Share	7,211 Reduced 11.55%	55,227 Common Stock
Nov 18 2025	BUY Exercise of conversion of derivative security	-	2,260 Added 4.21%	51,484 Common Stock
Nov 18 2025	BUY Grant, award, or other acquisition	-	10,954 Added 15.18%	61,204 Common Stock
Nov 30 2024	SELL Payment of exercise price or tax liability	$34,370 $41.51 p/Share	828 Reduced 1.65%	49,224 Common Stock
Nov 30 2024	BUY Exercise of conversion of derivative security	-	1,520 Added 2.95%	50,052 Common Stock

Nov 20 2024	SELL Payment of exercise price or tax liability	$240,596 $40.22 p/Share	5,982 Reduced 10.97%	48,532 Common Stock
Nov 20 2024	BUY Grant, award, or other acquisition	-	10,984 Added 16.77%	54,514 Common Stock
Nov 18 2024	SELL Payment of exercise price or tax liability	$85,118 $41.12 p/Share	2,070 Reduced 4.54%	43,530 Common Stock
Nov 18 2024	BUY Exercise of conversion of derivative security	-	3,800 Added 7.69%	45,600 Common Stock
Feb 09 2024	SELL Open market or private sale	$984,981 $176.52 p/Share	5,580 Reduced 40.03%	8,360 Common Stock
Feb 09 2024	BUY Exercise of conversion of derivative security	$267,561 $47.95 p/Share	5,580 Added 28.59%	13,940 Common Stock
Dec 04 2023	SELL Open market or private sale	$244,064 $165.58 p/Share	1,474 Reduced 14.99%	8,360 Common Stock
Nov 21 2023	SELL Payment of exercise price or tax liability	$277,372 $164.32 p/Share	1,688 Reduced 14.65%	9,834 Common Stock
Nov 21 2023	BUY Grant, award, or other acquisition	-	3,162 Added 21.53%	11,522 Common Stock
Nov 18 2023	SELL Payment of exercise price or tax liability	$103,187 $165.1 p/Share	625 Reduced 6.96%	8,360 Common Stock
Nov 18 2023	BUY Exercise of conversion of derivative security	-	1,167 Added 11.5%	8,985 Common Stock
Jun 07 2023	SELL Open market or private sale	$350,536 $156.91 p/Share	2,234 Reduced 22.22%	7,818 Common Stock
Nov 18 2022	SELL Payment of exercise price or tax liability	$522,204 $156.63 p/Share	3,334 Reduced 24.91%	10,052 Common Stock
Nov 18 2022	BUY Exercise of conversion of derivative security	-	1,453 Added 9.79%	13,386 Common Stock
Nov 18 2022	BUY Grant, award, or other acquisition	-	4,790 Added 28.64%	11,933 Common Stock
Nov 29 2021	SELL Open market or private sale	$571,162 $189.44 p/Share	3,015 Reduced 29.68%	7,143 Common Stock
Nov 23 2021	SELL Payment of exercise price or tax liability	$657,001 $190.38 p/Share	3,451 Reduced 25.36%	10,158 Common Stock
Nov 23 2021	BUY Grant, award, or other acquisition	-	6,466 Added 32.21%	13,609 Common Stock

BNC

Brian N Carter

SVP, Corporate Controller

Pasadena,, CA

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