CoverageForm 410-K10-Q8-K13D13G13F

Tetra Tech Inc

TTEKCIK 0000831641 · Every Form 4 filed by insiders at this issuer. See financials →

Annual report (10-K)

Latest 10-K filed Nov 20, 2025. Sentiment + YoY language diff vs prior year. Read sections →

Signal:Neutral
Risk Factors:tone -0.0417Δ-0.000597% similar+38/-39
MD&A:tone -0.0042Δ-0.001383% similar+49/-59

Sentiment via Loughran-McDonald lexicon · YoY diff via Jaccard similarity + paragraph set difference.

Recent 8-K announcements

Per-item disclosure feed. Item 2.02 is the earnings release.

Top insiders

Most active reporters at Tetra Tech Inc

NameRolesFilings
Volpi Kirsten M
Director
18
Burdick Steven M
Officer
12
Batrack Dan L
OfficerDirector
10
Carter Brian N
Officer
10
Argus Roger R
Officer
9

Showing 1-5 of 21

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Top performers

Insiders ranked by realized 90-day signed return on their open-market trades at Tetra Tech Inc. Minimum 3 scored trades. Returns are signed - a sale followed by a rally counts against the insider.

#InsiderTradesWin rateAvgMedianBestWorst
1Volpi Kirsten M967%+4.2%+8.8%+11.5%-9.1%
2Thompson J Kenneth617%-10.8%-7.7%+2.7%-28.6%
3Burdick Steven M450%-9.1%-8.4%+9.2%-28.6%
4Hopson Preston III30%-8.6%-7.9%-7.8%-10.1%
5Carter Brian N425%-2.4%-6.2%+22.3%-19.2%

All filings

130 Form 4 / 4-A filings, newest first

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