HMH EFFECT: SEC filing
HMH Holding Inc
Filed with the SEC on · accession 9999999995-26-003299
HMH filed a EFFECT (effect) with the SEC on Oct 20, 2026. HMH Holding Inc filed an EFFECT notice with the SEC, indicating that a registration statement has been declared effective. The stock moved +1.4% by the first close after the filing.
Summary of the filing
HMH Holding Inc filed an EFFECT notice with the SEC, indicating that a registration statement has been declared effective. The filing is a routine administrative notice with no substantive business or financial details disclosed.
Key details
How HMH stock reacted
Close before
$17.38
Oct 19, 2026
First close after
+1.44%
$17.63
5 trading days
+5.93%
$18.41
Since filing
-37.05%
$10.94
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Click hereFrequently asked questions
What did HMH file with the SEC on Oct 20, 2026?
HMH filed a EFFECT (SEC filing). HMH Holding Inc filed an EFFECT notice with the SEC, indicating that a registration statement has been declared effective. The filing is a routine administrative notice with no substantive business or financial details disclosed.
How do I read a EFFECT?
A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.
Why are SEC filings important?
Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A EFFECT (effect): A report the company filed with the SEC (the US market regulator).
How did HMH stock react to this filing?
HMH closed at $17.38 before the filing and $17.63 on Oct 20, 2026 (+1.44%). Five trading days later: $18.41 (+5.93%).
Other HMH SEC filings
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