Form 4 Filing for HMH Holding Inc.

This filing details transactions by Pal Skogerbo, Chief Technology Officer of HMH Holding Inc. On April 2, 2026, Skogerbo was granted 60,276 restricted stock units (RSUs) under the 2026 Long-Term Incentive Plan. These RSUs include a portion that vested immediately and others that will vest over time. Additionally, Skogerbo purchased 1,000 shares of Class A Common Stock at $20 per share through the company's initial public offering directed share program. Following these transactions, Skogerbo directly owns 61,276 shares of Class A Common Stock.