Volpi Kirsten M - Insider Non-Derivative Transactions at TETRA TECH INC (TTEK) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Nov 30, 2025, Volpi Kirsten M's relationship to TETRA TECH INC (TTEK) is Director, and currently has 68,218 shares of COMMON STOCK.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other TTEK insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

Volpi Kirsten M - Insider Non-Derivative Transactions of TTEK COMMON STOCK

Volpi Kirsten M - Insider Non-Derivative Transactions at TTEK

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Dec 1, 2025	M -- (COMMON STOCK)	1718	0	68218
Nov 29, 2025	M -- (COMMON STOCK)	1000	9.59	69218
Nov 19, 2025	Acquisition -- (COMMON STOCK)	4104	0	66500
Feb 6, 2025	G -- (COMMON STOCK)	3800	0	62396
Feb 6, 2025	M -- (COMMON STOCK)	6000	9.59	66196
Feb 5, 2025	Sell -- (COMMON STOCK)	4345	34.31	60196
Feb 5, 2025	Sell -- (COMMON STOCK)	4100	34.33	64541
Feb 5, 2025	Sell -- (COMMON STOCK)	1671	34.41	68641
Dec 1, 2024	M -- (COMMON STOCK)	2125	0	70312
Nov 21, 2024	Acquisition -- (COMMON STOCK)	4397	0	68187
Sep 11, 2024	Sell -- (COMMON STOCK)	1950	46	63790
Aug 13, 2024	M -- (COMMON STOCK)	300	47.95	13148
Feb 7, 2024	M -- (COMMON STOCK)	500	47.95	12848
Dec 6, 2023	G -- (COMMON STOCK)	666	0	12348
Dec 2, 2023	Sell -- (COMMON STOCK)	2228	162.74	13014
Nov 22, 2023	Acquisition -- (COMMON STOCK)	1054	0	15242
Nov 21, 2023	Sell -- (COMMON STOCK)	559	165.5	11608
Nov 19, 2023	M -- (COMMON STOCK)	380	0	11988
Nov 19, 2023	M -- (COMMON STOCK)	200	47.95	12188
Nov 19, 2023	M -- (COMMON STOCK)	2000	40.8	14188
Nov 19, 2023	M -- (COMMON STOCK)	200	47.95	14388
Feb 28, 2023	F -- (COMMON STOCK)	221	135.96	12167
Feb 28, 2023	M -- (COMMON STOCK)	825	40.8	12388
Feb 17, 2023	Sell -- (COMMON STOCK)	900	145.74	11563