Key facts
- This page summarizes Kirsten M. Volpi's Form 4 filing for TETRA TECH INC (TTEK).
- 2 reported transactions and 1 derivative row are listed below.
- Accepted by SEC: 06 Aug 2026, 17:17.
Kirsten M. Volpi - 04 Aug 2026 Form 4 Insider Report for TETRA TECH INC (TTEK)
- Reporting relationship
- Director
- Issuer ticker
- TTEK
- Reported as of
- 04 Aug 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 06 Aug 2026, 17:17:14 UTC
- Prior SEC filing
- 05 Jun 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Preston Hopson, Attorney-in-fact for Kirsten M. Volpi
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Kirsten M. Volpi filed Form 4 for TETRA TECH INC (TTEK) on 06 Aug 2026.
Change
- Previous filing in this sequence was filed on 05 Jun 2026.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001582882
Primary reporting owner
Volpi Kirsten M
- Relationship
- Director
- Address
- 3475 EAST FOOTHILL BOULEVARD, PASADENA
- Signature
- /s/ Preston Hopson, Attorney-in-fact for Kirsten M. Volpi
- Signature date
- 06 Aug 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
TTEK
transaction
COMMON STOCK
Options Exercise
- Transaction value
- Shares
- +2,300
- Change %
- +3.2%
- Price
- $9.59*
- Shares after
- 74,218
- Date
- 04 Aug 2026
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
TTEK
transaction
Derivative
STOCK OPTION (RIGHT TO BUY)
Options Exercise
- Transaction value
- Shares
- -2,300
- Change %
- -37%
- Price
- $0.000000*
- Shares after
- 4,000
- Date
- 04 Aug 2026
- Ownership
- Direct
- Underlying class
- COMMON STOCK
- Underlying amount
- 2,300
- Exercise price
- $9.59
- Footnotes
- F1
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 1 footnote
Footnote F1
The option becomes exercisable as to 100% of the shares on the anniversary of the grant date.