X0508 4 2025-12-10 0001611115 Omada Health, Inc. OMDA 0002067605 Cook Steven L. C/O OMADA HEALTH, INC. 611 GATEWAY BLVD, SUITE 120 SAN FRANCISCO CA 94080 true Chief Financial Officer true Common Stock 2025-12-10 4 S 0 4211 15.3657 D 57566 D Transaction made pursuant to a 10b5-1 trading plan adopted by Steven L. Cook on August 15, 2025. This transaction was executed in multiple trades at prices ranging from $15.24 to $15.55. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. /s/ Nathan Salha, as Attorney-in-Fact for Steven L. Cook 2025-12-12