Quick Takeaways
- Gary Birkenbeuel has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $1,780,711.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Gary Birkenbeuel
- Location
- Pasadena, CA
- Summary
- The estimated net worth of Gary Birkenbeuel is at least $1,780,711 dollars as of 02 Dec 2025. Gary Birkenbeuel is the Director of TETRA TECH INC and owns shares of TETRA TECH INC (TTEK) stock worth about $1.78M.
- Signature
- /s/ Preston Hopson, Attorney-in-fact for Gary Birkenbeuel
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Gary Birkenbeuel and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: TETRA TECH INC ($1,780,711).
- Past-year value change for that position: -$86,050.
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Gary Birkenbeuel
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| TTEK | TETRA TECH INC | Director | $1,780,711 | -$86,050 | -4.6% | 19 Nov 2025 |
Insider Transactions Reported by Gary Birkenbeuel:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.