---
schema_version: "secwatch.filing_event.v1"
accession: "0001039399-26-000004"
form_type: "8-K"
ticker: "FORM"
cik: "0001039399"
company_name: "FORMFACTOR INC"
filed_at: "2026-02-04T23:59:59+00:00"
generated_at: "2026-05-16T04:46:51.552938+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# FormFactor Q4 revenue $215.2M (+13.6% YoY); GAAP EPS $0.29, non-GAAP $0.46

## Summary
- FY2025 revenue record $785.0M, up 2.8% YoY; Q4 revenue beat high end of outlook.
- Non-GAAP gross margin 43.9% in Q4 (up 290 bps QoQ); guides Q1'26 non-GAAP gross margin 45% +/- 1.5%.
- GAAP net income $23.2M in Q4 vs $15.7M in Q3; non-GAAP net income $36.6M ($0.46 diluted).
- Q1'26 outlook: revenue $225M +/- $5M, non-GAAP EPS $0.45 +/- $0.04.
- Acquired Keystone Photonics for co-packaged optics testing; Analyst Day announced for May 11.

## SEC filing metadata
- accession: 0001039399-26-000004
- form_type: 8-K
- ticker: FORM
- cik: 0001039399
- company_name: FORMFACTOR INC
- filed_at: 2026-02-04T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- 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/1039399/000103939926000004/0001039399-26-000004-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1039399/000103939926000004/form-20260204.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001039399-26-000004
- JSON: https://secwatch.observer/filing/0001039399-26-000004.json
- Plain text: https://secwatch.observer/filing/0001039399-26-000004.txt

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