SEC Filing · 424B3

HMH Holding Inc.

HMHNASDAQEQUITYCurrent

SEC Filing

Filed Nov 4, 2026Accepted Nov 4, 2026, 4:05 PM ESTCIK 2021880Accession 0001628280-26-070117

Company context

HMH Holding Inc. (“HMH Inc.”) is a holding company formed to own all of the voting equity of HMH Holding B.V., formerly known as MHH Holding B.V. (“HMH B.V.”). HMH Inc.’s sole material asset consists of an equal number of B.V. Voting Class A Shares and B.V. Voting Class B Shares (each as defined herein). HMH Inc., through HMH B.V. and its subsidiaries, conducts our business. Accordingly, our historical financial statements prior to the IPO are those of HMH B.V., which we refer to herein as our “predecessor.”