InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
0
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Browse the detailed record of transactions filed by Desravines Jean S., Director. Director active across 2 companies, notably Houghton Mifflin Harcourt Co. Aggregated, 5 disclosures have been recorded. History available since 31 May 2021. The latest transaction was filed on 5 June 2026 (Attribution). Regulator: SEC (Form 4). All data is openly available.
Declarations5 total
43,210 shares0Common StockSEC:0001193125-26-280966:0
3,594 shares0Common StockSEC:0000950170-25-041691:0
73,721 sharesCommon StockSEC:0001209191-22-024022:0
55,556 shares0Common StockSEC:0001209191-21-037286
55,556 shares0Common StockSEC:0001209191-21-037286:0
5 of 5 declarations
About Desravines Jean S.
Desravines Jean S. is a Director at Houghton Mifflin Harcourt Co. As a board member, he contributes to the governance and strategic direction of the company. His expertise in the education sector is an asset to Houghton Mifflin Harcourt Co.
