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Birkenbeuel Gary profile photo

Gary Birkenbeuel

CIK: 0001748476

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)1 (14.3%)

Position reduction

Option Exercises (M)2 (28.6%)

Derivative conversions

Awards (A)4 (57.1%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

TETRA TECH INC logo
TTEK

TETRA TECH INC

Director

Discretionary Trading P&L

Holdings

Transaction History (7 total)

  • TETRA TECH INC logo
    TTEK

    TETRA TECH INC

    Jan 12, 2026
    Exercise(M)
    Direct
    1.6K shares-
  • TETRA TECH INC logo
    TTEK

    TETRA TECH INC

    Jan 12, 2026
    Award(A)
    Direct
    4.4K shares-
  • TETRA TECH INC logo
    TTEK

    TETRA TECH INC

    Nov 19, 2025
    Award(A)

    RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)

    Direct
    2K shares-
  • TETRA TECH INC logo
    TTEK

    TETRA TECH INC

    Aug 14, 2025
    Sale(S)
    Direct
    2.4K shares at avg. $36.00$86K
  • TETRA TECH INC logo
    TTEK

    TETRA TECH INC

    Jan 1, 2025
    Exercise(M)
    Direct
    2.1K shares-
  • TETRA TECH INC logo
    TTEK

    TETRA TECH INC

    Jan 1, 2025
    Award(A)
    Direct
    5.3K shares-
  • TETRA TECH INC logo
    TTEK

    TETRA TECH INC

    Nov 20, 2024
    Award(A)

    RESTRICTED STOCK UNITS (RIGHT TO RECEIVE)

    Direct
    1.7K shares-

1-7 of 7

About Birkenbeuel Gary

Birkenbeuel Gary (SEC CIK 0001748476) files insider reports with the SEC as Director of TETRA TECH INC (TTEK).

Signal8 holds 4 ownership filings by Birkenbeuel Gary, all Form 4s, filed between Nov 22, 2024 and Jan 14, 2026. Those filings report 7 transactions, from Nov 20, 2024 to Jan 12, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Birkenbeuel Gary's filings is in PASADENA, CA.

Recent filings by Birkenbeuel Gary

  • Jan 12, 2026: Option exercise of TTEK shares (Form 4, code M).
  • Jan 12, 2026: Grant or award of TTEK shares (Form 4, code A).
  • Nov 19, 2025: Grant or award of TTEK derivative securities (Form 4, code A).
  • Aug 14, 2025: Open-market sale of TTEK shares (Form 4, code S).
  • Jan 1, 2025: Option exercise of TTEK shares (Form 4, code M).

Other insiders filing for TETRA TECH INC (TTEK)

How to read Form 4 transaction codes