Quick answer
TETRA TECH INC (TTEK) disclosed a 5-for-1 stock split in SEC filings (first reported in a 10-K filed 2024-11-19, period ending 2021-10-03).
Data as of 2024-11-19. Source: SEC EDGAR XBRL filings
| Period end | Split ratio | Form | Filed |
|---|---|---|---|
| 2021-10-03 | 5-for-1 | 10-K | 2024-11-19 |
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Last updated 2026-10-16. Data only, not financial or tax advice.