Gary Birkenbeuel
Director · TETRA TECH INC
- 2024
- Dec 2, 2025
- 3
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Gary Birkenbeuel files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Brian N. Carter - $401K in TTEK purchases and sales in the last 12 months
- Jeffrey R. Feeler - $50K in TTEK purchases and sales in the last 12 months
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Frequently asked questions
Who is Gary Birkenbeuel?
Gary Birkenbeuel is a corporate insider, tracked as Director of TETRA TECH INC (TTEK). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Gary Birkenbeuel last file a Form 4?
The most recent primary Form 4 on record is dated 2 December 2025, one of 3 filings going back to 2024.
Has Gary Birkenbeuel been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($86K) across all tracked filings.