John A Kritzmacher insider trades

Open-market stock purchases and sales by John A Kritzmacher, Director at InterDigital, Inc, from SEC Form 4 filings since Feb 1, 2010.

Recent trades

DateStockTradeValue
Jun 12, 2026IDCC InterDigital, IncSold$101K
Jun 11, 2026IDCC InterDigital, IncSold (not open market)$219
Jun 10, 2026IDCC InterDigital, IncBought (not open market)—
Apr 22, 2026IDCC InterDigital, IncBought (not open market)—
Feb 27, 2026UIS Unisys CorpBought (not open market)—
Jan 28, 2026IDCC InterDigital, IncBought (not open market)—
Dec 23, 2025IDCC InterDigital, IncSold$414K
Dec 9, 2025IDCC InterDigital, IncSold$447K
Nov 25, 2025IDCC InterDigital, IncSold$433K
Nov 11, 2025IDCC InterDigital, IncSold$451K
Oct 22, 2025IDCC InterDigital, IncBought (not open market)—

Companies traded

  • IDCC InterDigital, Inc: 1 buy, 23 sales, last Jun 12, 2026
  • UIS Unisys Corp: other filings, last Feb 27, 2026
  • QTEK QualTek Services Inc: other filings, last Dec 7, 2022
  • JWA/JWB John Wiley & Sons, Inc: 7 sales, last Dec 31, 2021
  • DUF Duff & Phelps Corp: other filings, last Apr 23, 2013
  • GLBC Global Crossing Ltd: other filings, last Oct 4, 2011

Get free alerts when John A Kritzmacher files a new trade →