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 | Other | $17.7K | 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 | Other | $20.6K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Exercise | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | 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 | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Other | $2.6K | 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 | $86.1K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Exercise | $56.2K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Exercise | $56.2K | 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 | $79.6K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Other | $36.5K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Sell | $7.4K | Unusual size | SEC | |
Houghton Mifflin Harcourt CoListing unverified | Exercise | $86.3K | Unusual size | 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 | $20.8K | 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 | $121.6K | 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 | $29.3K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Sell | $3.9K | Unusual size | SEC |