v3.26.1
Share-based Compensation (Tables)
 6 Months Ended
Jun. 30, 2026
Share-Based Payment Arrangement [Abstract]  
Summary of RSUs Activity The following table presents a summary of RSU activity for the six months ended June 30, 2026:
Restricted Stock UnitsWeighted Average Price on the Date of Grant
(in thousands, except per share amounts)
Balance as of January 1, 2026— $— 
Converted at IPO1,204 15.89 
Post-IPO grant355 18.68 
Vested upon the consummation of the IPO (a)(924)14.57 
Balance as of June 30, 2026635 19.37 
(a).During the three and six months ended June 30, 2026, the total grant date fair value of restricted stock unit awards that vested was $13.5 million.
Summary of PSUs Activity The following table presents a summary of PSU activity for the six months ended June 30, 2026:
Performance Share UnitsWeighted Average Price on the Date of Grant
(in thousands, except per share amounts)
Balance as of January 1, 2026— $— 
Converted at IPO520 18.40 
Post-IPO Grant225 27.05 
Vested upon the consummation of the IPO(167)13.97 
Balance as of June 30, 2026578 23.04 
Schedule of PSU Awards Weighted Average Assumptions
The company estimated the fair value of PSU awards using the following weighted average assumptions:
June 30,
 2026
Risk free interest rate4.15 %
Stock price volatility56.00 %
Contracted term in years3
Expected dividend yield— 
Grant date price of HMH common stock$18.66