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 | Exercise | $312.5K | 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 | $510.3K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Sell | $496K | 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 | $312.5K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Other | $12.4K | 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 | Sell | $482K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Exercise | $281.3K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Exercise | $312.5K | 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 | $428K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Sell | $47.5K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Exercise | $31.3K | 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 | Other | $3.6K | 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 | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Sell | $497.9K | 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 | $312.5K | SEC | ||
Houghton Mifflin Harcourt CoListing unverified | Sell | $14.9K | Unusual size | SEC | |
Houghton Mifflin Harcourt CoListing unverified | Sell | $483.8K | SEC |