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8-KThe WireRed Alert

Executive Change · Material Agreement

Filed Apr 2, 2026 · 2mo ago · Accession 0001193125-26-140110

Plain English

Material event — a significant development the company must disclose promptly.

Read the source below for the full document.

Read the original on SEC.gov ↗
Filing details
Ticker
HMH
CIK
2021880
Form type
8-K
Filing date
Apr 2, 2026
Report date
Mar 31, 2026
Document
d100419d8k.htm
Size
2.4 MB