---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-097783"
form_type: "8-K"
ticker: "TTEK"
cik: "0000831641"
company_name: "TETRA TECH INC"
filed_at: "2024-09-06T23:59:59+00:00"
generated_at: "2026-05-31T06:08:56.217514+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Tetra Tech announces 5-for-1 forward stock split effective Sept 6, 2024

## Summary
- Five-for-one forward stock split of common stock, effective September 6, 2024 at 5:00 p.m. ET.
- Authorized common shares increased from 150 million to 750 million proportionately.
- Amendment to Restated Certificate of Incorporation filed with Delaware Secretary of State.

## SEC filing metadata
- accession: 0001104659-24-097783
- form_type: 8-K
- ticker: TTEK
- cik: 0000831641
- company_name: TETRA TECH INC
- filed_at: 2024-09-06T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/831641/000110465924097783/0001104659-24-097783-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/831641/000110465924097783/tm2423411d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-097783
- JSON: https://secwatch.observer/filing/0001104659-24-097783.json
- Plain text: https://secwatch.observer/filing/0001104659-24-097783.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.