CBIZ, Inc. filed post-effective amendments on November 2, 2026 to eight legacy Form S-3 registration statements, formally deregistering all unsold securities under those statements following the completion of a merger that made the company a wholly owned subsidiary of Viking ParentCo, Inc.

Key Highlights

  • Merger completed: On November 2, 2026, Viking MergerCo, Inc. merged with and into CBIZ, Inc., with CBIZ surviving as a wholly owned subsidiary of Viking ParentCo, Inc.
  • Merger agreement dated: The Agreement and Plan of Merger was dated July 28, 2026, according to the filing.
  • Eight registration statements terminated: Registration statements numbered 333-15413, 333-27825, 333-40331, 333-46687, 333-64109, 333-76179, 333-90749, and 333-135912 are all covered by these post-effective amendments.
  • Securities deregistered include: Shares of common stock (par value $0.01 per share), debt securities, warrants, and 3.125% Convertible Senior Subordinated Notes due 2026.
  • Largest single registration: Registration No. 333-15413, originally filed November 1, 1996, had registered the resale of up to 32,126,076 shares of common stock.
  • Signed by CEO: Jim Peko, Chief Executive Officer, signed the post-effective amendments on behalf of CBIZ, Inc.

CBIZ Terminates Eight Decades-Old S-3 Registrations After Merger Closing

According to the filing, CBIZ, Inc. (NYSE:CBZ), a Delaware corporation headquartered at 5959 Rockside Woods Blvd. N., Suite 600, Independence, Ohio, submitted post-effective amendments to eight Form S-3 registration statements on November 2, 2026. The filing states that the purpose is to remove from registration all securities that were registered under those statements but remained unsold as of the filing date, following the completion of the merger with Viking MergerCo, Inc.

The filing discloses that the registration statements span nearly three decades of CBIZ's corporate history, with the earliest, Registration No. 333-15413, originally filed on November 1, 1996 under the company's former name, International Alliance Services, Inc. Several subsequent registrations were filed under another former name, Century Business Services, Inc. The most recent of the eight, Registration No. 333-135912, was filed on July 21, 2006, and covered the company's 3.125% Convertible Senior Subordinated Notes due 2026 as well as shares of common stock issuable upon conversion of those notes. Registration No. 333-40331 had registered the offer and sale of up to $125,000,000 of debt securities, shares of common stock, and warrants.

The filing states that "as a result of the Merger, any and all offerings of securities registered pursuant to the Registration Statements have been terminated." The company notes that the post-effective amendments fulfill undertakings made in the original registration statements to remove unsold securities from registration upon termination of the offerings. The registration statements are described as hereby amended to reflect the deregistration, and the company states it is terminating the effectiveness of all eight statements. CBIZ is classified in the filing as a large accelerated filer.

What Was Disclosed

CBIZ, Inc. filed post-effective amendments on November 2, 2026 to deregister all unsold securities under eight legacy S-3 registration statements, citing the completion of a merger that converted CBIZ into a wholly owned subsidiary of Viking ParentCo, Inc. under a merger agreement dated July 28, 2026.