Rabun Daniel Wayne's Acquisition of HMH Holding Inc. Class A Common Stock

Daniel Wayne Rabun, a director at HMH Holding Inc., acquired 9,900 restricted stock units of Class A Common Stock on April 2, 2026. These units were granted under the 2026 Long-Term Incentive Plan and represent a contingent right to receive one share of Class A common stock. The restricted stock units vest on the day prior to the Issuer's first annual meeting of stockholders following the grant date. The transaction code is 'A' for acquisition, with a post-transaction ownership of 9,900 shares. The reported value of the transaction is $0, as these are granted units under an incentive plan.