secwatch.observer — SEC 8-K summary
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Issuer:     ONTO INNOVATION INC. (ONTO)
CIK:        0000704532
Form:       8-K
Filed at:   2025-10-10T23:59:59+00:00
Accession:  0001193125-25-236464
Event type: m_and_a
Sentiment:  neutral
Materiality: 0.70
Item codes: 1.01, 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Onto Innovation amends Semilab deal; excludes EIR business, price cut ~$50M to ~$495M
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- EIR business (Fourier-Transform IR reflectometry) excluded; seller retains it; ~$13M (10% of Semilab 2025 revenue).
- Base cash price reduced to $432.3M plus 641,771 shares; total ~$495M from originally ~$545M.
- Acquired business (ex-EIR) expected to generate ~$120M annual revenue and be ~10% EPS accretive in year one.
- DOJ issued Second Request; parties will refile HSR with revised scope, still targeting 2025 close.
- Onto affirms Q3 FY2025 guidance (August 7, 2025); deal expected to close in 2025.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/704532/000119312525236464/0001193125-25-236464-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/704532/000119312525236464/onto-20251009.htm
  HTML page:      https://secwatch.observer/filing/0001193125-25-236464

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