---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-25-016839"
form_type: "8-K"
ticker: "ATER"
cik: "0001757715"
company_name: "Aterian, Inc."
filed_at: "2025-05-14T23:59:59+00:00"
generated_at: "2026-05-21T09:19:37.041113+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Aterian Q1 net revenue falls to $15.4M; withdraws 2025 guidance; CCO departs

## Summary
- Q1 net revenue $15.4M vs $20.2M YoY; net loss improved to $3.9M from $5.2M.
- Adjusted EBITDA loss $2.5M, roughly flat YoY; gross margin 61.4% vs 65.1%.
- Cost optimization plan targets $5-6M annual savings; $2.3M restructuring charge expects 20 layoffs.
- 2025 revenue and EBITDA guidance withdrawn due to tariff uncertainty and soft consumer demand.
- Chief Commercial Officer Phillip A. Lepper's employment ends June 4, 2025.

## SEC filing metadata
- accession: 0001437749-25-016839
- form_type: 8-K
- ticker: ATER
- cik: 0001757715
- company_name: Aterian, Inc.
- filed_at: 2025-05-14T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01, 2.05, 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1757715/000143774925016839/0001437749-25-016839-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1757715/000143774925016839/ater20250514_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-25-016839
- JSON: https://secwatch.observer/filing/0001437749-25-016839.json
- Plain text: https://secwatch.observer/filing/0001437749-25-016839.txt

## Source-grounded claims
- claim_id: d12ad8ce79
  claim: Phillip A. Lepper departed as Chief Commercial Officer at Aterian, Inc..
  evidence_excerpt: On May 14, 2025, the Company announced that the employment of Phillip A. Lepper, Chief Commercial Officer of the Company, will end on June 4, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1757715/000143774925016839/0001437749-25-016839-index.htm

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