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AI filing briefs · archive

8-K filings in October 2025, explained

1,152 material Form 8-K filings that 918 companies we cover made with the SEC in October 2025, each read and summarized by AI: what happened, the key figures, whether it reads positive or negative for shareholders, and how big a deal it is (impact 1-5). All of them were written later, when past filings were added: a selection, not every 8-K of the month (see the note below).

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ONTOONTO INNOVATION INC. Oct 10, 9:00 AM ET

Onto Innovation amends Semilab deal, cuts price to $495 million and drops EIR business

Mixed m&a Written later 1.017.01

Onto Innovation amended its Semilab USA acquisition agreement on October 9, 2025, removing the EIR business, which the seller will keep, and lowering the purchase price by about $50 million to about $495 million. The U.S. Department of Justice issued a Second Request on September 25, 2025, which extends the antitrust review, and the company still expects the transaction to close in 2025. The company also affirmed its third quarter guidance first given on August 7, 2025.

  • Amendment dated October 9, 2025 excludes the EIR business, about $13 million or 10% of estimated 2025 Semilab USA revenue, which the seller will retain.
  • Purchase price is $432,310,000 in cash plus 641,771 shares of common stock, about $495 million based on the June 27, 2025 closing value.
  • DOJ Second Request received September 25, 2025 extends the HSR Act waiting period; the company expects the transaction to be completed in 2025.
  • Company expects the business to be acquired, excluding EIR, to generate about $120 million in annual revenue and raise earnings per share about 10% in the first year after closing.
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Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.

Briefs marked “Written later” were written in November 2026 for filings that were by then more than three weeks old, so months before mid-October 2026 hold a selection: every material 8-K of the past year for the 100 largest companies we cover and the last 15 important 8-Ks of every other one. Briefs the number check holds back are not shown or counted. Also: the last 45 days, briefs by company, A–Z and the live SEC filings wire.