---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-036843"
form_type: "8-K"
ticker: "ACLS"
cik: "0001113232"
company_name: "AXCELIS TECHNOLOGIES INC"
filed_at: "2025-04-21T23:59:59+00:00"
generated_at: "2026-05-23T09:57:40.267448+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.05
calibrated_materiality_score: 0.05
confidence: "medium"
source: SEC EDGAR
---

# Axcelis posts historical GAAP-to-Non-GAAP reconciliations for 2020-2024

## Summary
- Company posted reconciliations of GAAP to Non-GAAP financial results for fiscal years 2020-2024.
- Information was published on Axcelis website and attached as Exhibit 99.1 to the 8-K.
- No new financial results or guidance changes were disclosed; reconciliations reflect previously reported data.

## SEC filing metadata
- accession: 0001104659-25-036843
- form_type: 8-K
- ticker: ACLS
- cik: 0001113232
- company_name: AXCELIS TECHNOLOGIES INC
- filed_at: 2025-04-21T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.05
- calibrated_materiality_score: 0.05
- confidence: medium
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1113232/000110465925036843/0001104659-25-036843-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1113232/000110465925036843/tm2512585d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-036843
- JSON: https://secwatch.observer/filing/0001104659-25-036843.json
- Plain text: https://secwatch.observer/filing/0001104659-25-036843.txt

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