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CaliforniaSB 252025-2026 Regular SessionSenateWALLET

Antitrust: premerger notification.

Sponsored By: Thomas Umberg (Democratic)

Signed by Governor

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Bill Overview

Analyzed Economic Effects

3 provisions identified: 0 benefits, 2 costs, 1 mixed.

Big fines for missing merger filings

After written notice and a three‑business‑day chance to fix, the Attorney General may fine up to $25,000 for each day a filer breaks the state filing or document rules. The penalty increases by $25,000 for every day the violation continues after the cure period.

New California filing for federal mergers

Businesses that file the federal merger form must also send a complete electronic copy to the California Attorney General within one business day if their main office is in California, or if in‑state annual net sales of the deal’s goods or services are at least 20% of the federal filing threshold. California‑based filers must include any extra required documents with that filing. Filers that qualify only by in‑state sales must send the extra documents within seven business days after the Attorney General asks. The fee is $1,000 for California‑based filers and $500 for sales‑only filers or when sending extra documents on request. The Attorney General can adjust fees no more than once every five years to match the California CPI. These rules apply to premerger notifications filed on or after January 1, 2027.

Strong privacy rules for merger filings

The Attorney General keeps merger forms and extra documents confidential and does not confirm they were filed. These materials are exempt from the Public Records Act. The Attorney General may share with the FTC or DOJ, and with another state only if that state has an equivalent law and promises confidentiality. At least five business days’ notice to the filer is required before sharing with another state. The Attorney General may use the materials in court or agency cases only under a protective order. The office must use a secure system to receive and store files, and must return or destroy them within 120 days after the later of the deal closing or the end of related cases, unless a court or law says otherwise.

Sponsors & Cosponsors

Sponsor

  • Thomas Umberg

    Democratic • Senate

Cosponsors

There are no cosponsors for this bill.

Roll Call Votes

All Roll Calls

Yes: 167 • No: 19

Senate vote • 2/2/2026

Item 60 — Senate SFLOOR

Yes: 33 • No: 0

House vote • 1/22/2026

Item 87 — Assembly AFLOOR

Yes: 52 • No: 17

legislature vote • 8/29/2025

Vote in CX25

Yes: 11 • No: 1

legislature vote • 6/24/2025

Vote in CX13

Yes: 10 • No: 0

Senate vote • 6/2/2025

Item 233 — Senate SFLOOR

Yes: 36 • No: 1

legislature vote • 5/23/2025

Vote in CS61

Yes: 6 • No: 0

legislature vote • 4/28/2025

Vote in CS61

Yes: 7 • No: 0

legislature vote • 4/8/2025

Vote in CS53

Yes: 12 • No: 0

Actions Timeline

  1. Chaptered by Secretary of State. Chapter 3, Statutes of 2026.

    2/10/2026Senate

  2. Approved by the Governor.

    2/10/2026legislature

  3. Enrolled and presented to the Governor at 3 p.m.

    2/5/2026legislature

  4. Assembly amendments concurred in. (Ayes 33. Noes 0. Page 3336.) Ordered to engrossing and enrolling.

    2/2/2026Senate

  5. In Senate. Concurrence in Assembly amendments pending.

    1/22/2026Senate

  6. Read third time. Passed. (Ayes 52. Noes 17. Page 3808.) Ordered to the Senate.

    1/22/2026House

  7. Ordered to third reading.

    1/14/2026House

  8. Read third time and amended.

    1/14/2026House

  9. Ordered to third reading.

    1/13/2026House

  10. From inactive file.

    1/13/2026House

  11. Notice of intention to remove from inactive file given by Assembly Member Aguiar-Curry.

    1/12/2026House

  12. Ordered to inactive file on request of Assembly Member Aguiar-Curry.

    9/8/2025House

  13. Read second time. Ordered to third reading.

    9/2/2025House

  14. From committee: Do pass. (Ayes 11. Noes 1.) (August 29).

    8/29/2025House

  15. July 9 set for first hearing. Placed on APPR. suspense file.

    7/9/2025House

  16. From committee: Do pass and re-refer to Com. on APPR. (Ayes 10. Noes 0.) (June 24). Re-referred to Com. on APPR.

    6/24/2025House

  17. Referred to Com. on JUD.

    6/9/2025House

  18. In Assembly. Read first time. Held at Desk.

    6/3/2025House

  19. Read third time. Passed. (Ayes 36. Noes 1. Page 1378.) Ordered to the Assembly.

    6/2/2025Senate

  20. Read second time. Ordered to third reading.

    5/28/2025Senate

  21. Ordered to second reading.

    5/27/2025Senate

  22. Read third time and amended.

    5/27/2025Senate

  23. Read second time. Ordered to third reading.

    5/23/2025Senate

  24. From committee: Do pass. (Ayes 6. Noes 0. Page 1187.) (May 23).

    5/23/2025Senate

  25. Set for hearing May 23.

    5/16/2025Senate

Bill Text

  • Chaptered

    2/10/2026

    HTML

  • Enrolled

    2/3/2026

    HTML

  • Amended Assembly

    1/14/2026

    HTML

  • Amended Senate

    5/27/2025

    HTML

  • Amended Senate

    4/10/2025

    HTML

  • Amended Senate

    3/25/2025

    HTML

  • Introduced

    12/2/2024

    HTML

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