Form 4 Filing for HMH Holding Inc.

This filing details a Form 4 submission by McAllister Kathleen S, a director at HMH Holding Inc. On April 2, 2026, Ms. McAllister was granted 8,486 restricted stock units under the company's 2026 Long-Term Incentive Plan. These units represent a contingent right to receive one share of Class A common stock. The restricted stock units are set to vest on the day prior to the Issuer's first annual meeting of stockholders following the grant date. The transaction code "A" indicates acquisition, and the transaction price is reported as $0.00, consistent with a stock grant. Ms. McAllister holds these shares directly, as indicated by the ownership nature code "D". The post-transaction shares owned by Ms. McAllister amount to 8,486.