Omada Health, Inc.

During the three months ended March 31, 2026, none of our directors or “officers” (as defined in Rule 16a-1(f) of the Exchange Act) adopted, modified, or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408(a) of Regulation S-K, except as follows:

•On March 13, 2026, Sean Duffy, our Chief Executive Officer and a member of our board of directors, individually and through a trust under which he is a beneficiary, adopted a Rule 10b5-1 trading arrangement intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) (a “Rule 10b5-1 Plan”) for the sale of up to (i)673,056 shares of our common stock and (ii) the number of shares of our common stock Mr. Duffy will receive following the vesting of restricted stock units covering an aggregate of 146,332 shares of our common stock and the satisfaction of tax obligations in connection with such vesting (the total number of shares to be sold covered under clause (ii) is not yet determinable).The trading plan will terminate at the earlier of the execution of all trading orders pursuant to the plan or June 11, 2027.

•On March 14, 2026, Steve Cook, our Chief Financial Officer, adopted a Rule 10b5-1 Plan for the sale of up to (i)394,831 shares of our common stock and (ii) the number of shares of our common stock Mr. Cook will receive following the vesting of restricted stock units covering an aggregate of 66,514 shares of our common stock and the satisfaction of tax obligations in connection with such vesting (the total number of shares to be sold covered under clause (ii) is not yet determinable). The trading plan will terminate at the earlier of the execution of all trading orders pursuant to the plan or June 11, 2027.

•On March 13, 2026, Wei-Li Shao, our President, adopted a Rule 10b5-1 Plan for the sale of the number of shares of our common stock Mr. Shao will receive following the vesting of restricted stock units covering an aggregate of 85,913 shares of our common stock and the satisfaction of tax obligations in connection with such vesting (the total number of shares to be sold covered under clause (ii) is not yet determinable). The trading plan will terminate at the earlier of the execution of all trading orders pursuant to the plan or June 11, 2027.

•On March 13, 2026, Craig Gracey, our Chief Accounting Officer, adopted a Rule 10b5-1 Plan for the sale of up to 20,833 shares of our common stock and (ii) the number of shares of our common stock Mr. Gracey will receive following the vesting of restricted stock units covering an aggregate of 4,117 shares of our common stock and the satisfaction of tax obligations in connection with such vesting (the total number of shares to be sold covered under clause (ii) is not yet determinable). The trading plan will terminate at the earlier of the execution of all trading orders pursuant to the plan or June 11, 2027.