---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-108331"
form_type: "8-K"
ticker: "OUST"
cik: "0001816581"
company_name: "Ouster, Inc."
filed_at: "2023-04-20T23:59:59+00:00"
generated_at: "2026-06-16T22:41:54.659806+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Ouster completes 1-for-10 reverse stock split effective April 20, 2023

## Summary
- Reverse split effective 1:01 p.m. PT on April 20, 2023; common stock trades split-adjusted from April 21 under symbol OUST, new CUSIP 68989M 202.
- Every 10 pre-split shares converted into 1 post-split share; fractional shares rounded up to nearest whole share.
- Warrants adjusted: OUST.WS now exercisable for 1 share at $115; OUST.WSA for 0.6153 shares at $140.20 per 0.6153 shares.
- No fractional shares issued upon warrant exercise; percentage interest unchanged for stockholders except fractional rounding.
- Authorized shares of common stock reduced proportionally per the Certificate of Amendment filed with Delaware.

## SEC filing metadata
- accession: 0001193125-23-108331
- form_type: 8-K
- ticker: OUST
- cik: 0001816581
- company_name: Ouster, Inc.
- filed_at: 2023-04-20T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 3.03, 5.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1816581/000119312523108331/0001193125-23-108331-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1816581/000119312523108331/d502108d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-108331
- JSON: https://secwatch.observer/filing/0001193125-23-108331.json
- Plain text: https://secwatch.observer/filing/0001193125-23-108331.txt

## Key facts
- Governance Changes
  Ouster, Inc.: Certificate of Amendment to effect a one-for-10 reverse stock split and corresponding reduction in authorized shares (effective 2023-04-20).
  - Change: charter amendment
  - Effective: 2023-04-20
  source text: On April 20, 2023, Ouster, Inc. (the “ Company ”) filed with the Secretary of State of the State of Delaware a Certificate of Amendment to its Certificate of Incorporation (the “ Charter Amendment ”) to effect a one-for-10 reverse stock split of the Company’s common stock (the “ Reverse Stock Split ”) and a corresponding reduction in authorized shares of common stock, which became effective as of 1:01 p.m. Pacific Time on April 20, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1816581/000119312523108331/0001193125-23-108331-index.htm

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