Durable Capital Partners LP's 5.5% Stake in CBIZ, Inc.

Durable Capital Partners LP, a limited partnership organized under the laws of the State of Delaware, has reported a 5.5% ownership stake in CBIZ, Inc. The filing, submitted under Rule 13d-1(b), indicates that Durable Capital Partners LP holds 2,939,563 shares of CBIZ's Common Stock, $0.01 par value. The shares are directly held by Durable Capital Master Fund LP, with Durable Capital Partners LP acting as the investment adviser, granting it sole power to direct the vote and disposition of the shares. The economic benefits of the shares are shared based on agreements among the parties. The filing was signed by Julie Jack, an Authorized Person, on August 27, 2025.