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TTEK

Tetra Tech Inc SEC filings
Services-Engineering Services · Nasdaq · Incorporated in DE
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Filing history
2026-09-10
Current report 8-K
Other event
Filing ↗
2026-08-06
Insider trade 4
Filing ↗
2026-08-05
Employee stock plan shares S-8
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2026-07-31
Quarterly report 10-Q
Filing ↗
2026-07-29
Current report 8-K
Earnings resultsOther event
Filing ↗
2026-06-05
Insider trade 4
Filing ↗
2026-05-15
Insider trade 4
Filing ↗
2026-05-01
Quarterly report 10-Q
Filing ↗
2026-04-30
Passive 5%+ stake SCHEDULE 13G
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2026-04-29
Current report 8-K
Earnings resultsOther event
Filing ↗
2026-04-28
Insider trade 4
Filing ↗
2026-04-03
New insider's holdings 3
Filing ↗
2026-03-27
Passive 5%+ stake update SCHEDULE 13G/A
Filing ↗
2026-03-26
Current report 8-K
Exec/director changeOther event
Filing ↗
2026-03-18
Insider trade 4
Filing ↗
2026-02-20
Insider trade 4
Filing ↗
2026-02-20
Insider trade 4
Filing ↗
2026-02-20
Current report 8-K
Exec/director changeShareholder vote
Filing ↗
2026-02-12
Insider trade 4
Filing ↗
2026-02-06
Insider trade 4
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2026-02-06
Insider trade 4
Filing ↗
2026-02-04
Planned insider sale 144
Filing ↗
2026-01-30
Quarterly report 10-Q
Filing ↗
2026-01-28
Current report 8-K
Earnings resultsOther event
Filing ↗
2026-01-28
Insider trade 4
Filing ↗
2026-01-28
Insider trade 4
Filing ↗
2026-01-14
Insider trade 4
Filing ↗
2026-01-14
Insider trade 4
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2026-01-09
Annual report to shareholders ARS
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2026-01-09
Proxy material DEFA14A
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2026-01-09
Proxy statement (shareholder vote) DEF 14A
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2026-01-08
New insider's holdings 3
Filing ↗
2026-01-06
New insider's holdings 3
Filing ↗
2026-01-06
Current report 8-K
Exec/director changeOther event
Filing ↗
2025-12-22
Current report 8-K
Exec/director changeOther event
Filing ↗
2025-12-03
Insider trade 4
Filing ↗
2025-12-02
Insider trade 4
Filing ↗
2025-12-02
Insider trade 4
Filing ↗
2025-12-02
Insider trade 4
Filing ↗
2025-12-02
Insider trade 4
Filing ↗