---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-044808"
form_type: "8-K"
ticker: "ACLS"
cik: "0001113232"
company_name: "AXCELIS TECHNOLOGIES INC"
filed_at: "2025-05-06T23:59:59+00:00"
generated_at: "2026-05-22T10:51:14.166730+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Axcelis Q1 revenue $192.6M, down 24% YoY; GAAP EPS $0.88 vs $1.57; guides Q2 below Q1

## Summary
- Revenue $192.6M vs $252.4M YoY (-23.7%); GAAP net income $28.6M, down 44.6%.
- GAAP EPS $0.88, non-GAAP EPS $1.04; adjusted EBITDA $39.5M, down 38.8%.
- GAAP gross margin 46.1% (flat); operating margin 15.1% vs 22.4% YoY.
- Q2 guidance: revenue ~$185M, GAAP EPS ~$0.57, non-GAAP EPS ~$0.73.
- Ended quarter with robust cash, no debt; opportunistic share repurchases.

## SEC filing metadata
- accession: 0001104659-25-044808
- form_type: 8-K
- ticker: ACLS
- cik: 0001113232
- company_name: AXCELIS TECHNOLOGIES INC
- filed_at: 2025-05-06T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1113232/000110465925044808/0001104659-25-044808-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1113232/000110465925044808/tm2513922d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-044808
- JSON: https://secwatch.observer/filing/0001104659-25-044808.json
- Plain text: https://secwatch.observer/filing/0001104659-25-044808.txt

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