Form 4 Filing for HMH Holding Inc.

Karl Erik Kjelstad, a director at HMH Holding Inc., was granted 8,486 restricted stock units on April 2, 2026, 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. This transaction is reported on Form 4, indicating a change in beneficial ownership. The transaction code "A" signifies acquisition, and the price per share is reported as $0.00, consistent with a stock grant. The filing was signed by Dwight W. Rettig as attorney-in-fact on April 6, 2026.