Figures computed from official regulatory filings — .
Insufficient history for a statistical track record (fewer than 5 open-market buys).
This page republishes public regulatory disclosures.
| Company | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
Houghton Mifflin Harcourt CoListing unverified | Sell | $236.5K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Sell | $236.5K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Exercise | $548.8K | Unusual size | SEC | |
Houghton Mifflin Harcourt CoListing unverified | Sell | $236.5K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Sell | $234.4K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Exercise | $1.3K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Sell | $2.2K | Unusual size | SEC | |
Houghton Mifflin Harcourt CoListing unverified | Sell | $248.4K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Exercise | $137.5K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Exercise | $137.5K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Sell | $285.7K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Sell | $282.7K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Exercise | $137.5K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Sell | $289.9K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Exercise | $137.5K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Sell | $414K | Unusual size | SEC | |
Houghton Mifflin Harcourt CoListing unverified | Exercise | $225K | Unusual size | SEC | |
Houghton Mifflin Harcourt CoListing unverified | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |