---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-105954"
form_type: "8-K"
ticker: "ACLS"
cik: "0001113232"
company_name: "AXCELIS TECHNOLOGIES INC"
filed_at: "2025-11-04T23:59:59+00:00"
generated_at: "2026-05-17T00:32:29.766045+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Axcelis Q3 revenue $213.6M, GAAP EPS $0.83, non-GAAP EPS $1.21, down YoY; Q4 outlook below prior year

## Summary
- Revenue of $213.6M declined 16.8% from $256.6M in Q3 2024.
- GAAP diluted EPS $0.83 vs $1.49 a year ago; non-GAAP EPS $1.21 vs $1.72.
- GAAP gross margin 41.6%, non-GAAP 41.8%; operating margins also down.
- Cash and investments above $590M; record CS&I revenue in quarter.
- Q4 2025 outlook: revenue ~$215M, GAAP EPS ~$0.76, non-GAAP EPS ~$1.12.

## SEC filing metadata
- accession: 0001104659-25-105954
- form_type: 8-K
- ticker: ACLS
- cik: 0001113232
- company_name: AXCELIS TECHNOLOGIES INC
- filed_at: 2025-11-04T23:59:59+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/1113232/000110465925105954/0001104659-25-105954-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1113232/000110465925105954/tm2530071d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-105954
- JSON: https://secwatch.observer/filing/0001104659-25-105954.json
- Plain text: https://secwatch.observer/filing/0001104659-25-105954.txt

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