---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-24-008878"
form_type: "8-K"
ticker: "ATER"
cik: "0001757715"
company_name: "Aterian, Inc."
filed_at: "2024-03-21T23:59:59+00:00"
generated_at: "2026-06-04T10:04:58.518871+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Aterian announces 1-for-12 reverse stock split; split-adjusted trading March 22

## Summary
- Reverse stock split ratio 1:12 filed with Delaware Secretary of State; effective on Nasdaq March 22, 2024.
- No reduction in authorized shares; fractional shares rounded up to nearest whole share.
- Outstanding equity awards and exercise prices automatically adjusted proportionally to the split.
- CUSIP changed to 02156U200; trading symbol remains "ATER".
- Percentage ownership unchanged for all stockholders; no dilutive impact.

## SEC filing metadata
- accession: 0001437749-24-008878
- form_type: 8-K
- ticker: ATER
- cik: 0001757715
- company_name: Aterian, Inc.
- filed_at: 2024-03-21T23:59:59+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, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1757715/000143774924008878/0001437749-24-008878-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1757715/000143774924008878/ater20240321_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-24-008878
- JSON: https://secwatch.observer/filing/0001437749-24-008878.json
- Plain text: https://secwatch.observer/filing/0001437749-24-008878.txt

## Key facts
- Governance Changes
  Aterian, Inc.: Filed Certificate of Amendment to effect a 1-for-12 reverse stock split of common stock (effective 2024-03-20).
  - Change: charter amendment
  - Effective: 2024-03-20
  source text: Aterian, Inc. (the “Company”) filed a Certificate of Amendment to its Amended and Restated Certificate of Incorporation of the Company with the Secretary of State of the State of Delaware (the “Certificate of Amendment”) to affect a 1 - 12 reverse stock split (the “Reverse Stock Split”) of the shares of the Company’s common stock, par value $0.0001 per share (the “Common Stock”) on March 20, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1757715/000143774924008878/0001437749-24-008878-index.htm

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