secwatch.observer — SEC 8-K summary
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Issuer:     ONTO INNOVATION INC. (ONTO)
CIK:        0000704532
Form:       8-K
Filed at:   2025-11-17T23:59:59+00:00
Accession:  0001193125-25-283980
Event type: m_and_a
Sentiment:  positive
Materiality: 0.90
Item codes: 2.01, 3.02, 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud

Onto Innovation completes $495M acquisition of Semilab USA product lines
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- Acquired Semilab USA for $432.3M cash and 641,771 shares of Onto common stock.
- Acquisition adds FAaST, CnCV and MBIR product lines for materials characterization.
- Updates Q4 2025 revenue guidance to $258M–$275M, including $8M–$10M from Semilab.
- Expects acquisition to add $0.02–$0.04 to diluted EPS in Q4 and $120M revenue in 2026.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/704532/000119312525283980/0001193125-25-283980-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/704532/000119312525283980/onto-20251117.htm
  HTML page:      https://secwatch.observer/filing/0001193125-25-283980

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer