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Form 8-K · Current Report · Filed 2025-11-17

Onto Innovation Completes Acquisition of Semilab USA LLC

Onto Innovation Inc. completed the acquisition of Semilab USA LLC, a provider of advanced materials composition and electrical analysis products, for $432.3 million in cash and 641,771 shares of its common stock. The acquisition is expected to contribute approximately $8 to $10 million of revenue in the fourth quarter of fiscal year 2025 and about $120 million in revenue in 2026. The Company updated its fourth quarter revenue guidance to $258 to $275 million and expects the acquisition to be immediately accretive to margins and add approximately $0.02 to $0.04 to diluted earnings per share in the fourth quarter.

Filer
Onto Innovation Inc. ONTO · NYSE
Filed
Accession
0001193125-25-283980
CIK
0000704532
Signal
High impactTechnology

Items reported

Item 2.01

Completion of Acquisition or Disposition of Assets

M&A Transaction Partial Buyout
Item 3.02

Unregistered Sales of Equity Securities

Unregistered Stock Issuance
Item 7.01

Regulation FD Disclosure

Regulation FD Disclosure
Item 9.01

Financial Statements and Exhibits

Exhibits Furnished

Market reaction

Close before filing

$127.92

Next session

-3.0%

Since filing

+102.1%

Latest close

$258.58

What happened, not what will happen — closing prices around the filing date.

Precedent

Previous filings from ONTO reporting the same item, with the next session's move:

About Onto Innovation Inc.

Onto Innovation Inc. is a leading company specializing in the development and provision of comprehensive metrology and inspection solutions for the semiconductor industry. Its primary function is to provide advanced analysis tools that ensure semiconductor manufacturers maintain high levels of quality and performance in their products. Onto Innovation's technology enables precise measurements and inspections, critical in the production of various electronic components including memory devices, logic chips, and power management systems. Notable for its cutting-edge technology, Onto Innovation’s systems are pivotal in the fabrication of nanoscale devices. The company serves a wide market including foundries, integrated device manufacturers (IDMs), and research institutions, impacting sectors such as consumer electronics, automotive, and telecommunications. With an ongoing evolution in electronics and the push for miniaturization, Onto Innovation plays a crucial role. In the financial market, Onto Innovation Inc. stands out as a key player in the semiconductor supply chain, known for its innovation and contributions to the emerging trends in semiconductor technology. Its market significance is underscored by its ability to adapt to the fast-paced advancements in the semiconductor industry, making it a critical enabler of future technological advancements.

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