California Governor Signs New Merger Notification Requirements

Feb. 11, 2026, 2:29 AM UTC

Companies required to send advance notice of proposed mergers to federal regulators will also have to give a heads-up to California officials under legislation Gov. Gavin Newsom (D) signed Tuesday.

The bill (SB 25) requires companies that already give federal regulators notice of deals under the Hart-Scott-Rodino Act to also submit the same disclosures to the state. The measure, which takes effect in 2027, applies to companies that are headquartered in the state or sell a certain share of products and services in California.

The law is based on model legislation from the Uniform Law Commission, a nonpartisan ...

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