KRITZMACHER JOHN A
SEC Form 4 insider trading activity
KRITZMACHER JOHN A has filed 11 SEC Form 4 filings (12 transaction rows) across 2 companies, including IDCC, UIS, with disclosures dating back to 2025. 11 of those filings fall inside the rolling window. Most recent filing: Jul 24, 2026.
On the most recent filing, KRITZMACHER JOHN A is listed as Director at InterDigital, Inc. Inside the rolling window, KRITZMACHER JOHN A reported no open-market purchases and 5 open-market sales totaling $1.8M in IDCC. The largest disclosed transaction in the window is a sale of 1,250 IDCC shares on Nov 11, 2025, worth $451K.
Companies traded
Other insiders at IDCC
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$1.8M
reported sales (SEC code S)
Companies
2
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has KRITZMACHER JOHN A made?
KRITZMACHER JOHN A has filed 11 SEC Form 4 filings (12 transaction rows) across 2 companies, including IDCC, UIS since 2025.
Which companies does KRITZMACHER JOHN A trade?
KRITZMACHER JOHN A has filed SEC Form 4 disclosures for 2 companies, including IDCC, UIS.
When was KRITZMACHER JOHN A's most recent SEC Form 4 filing?
KRITZMACHER JOHN A's most recent SEC Form 4 filing on Tracefour is dated Jul 24, 2026.
What is KRITZMACHER JOHN A's total buy and sell value in the current window?
Inside the rolling retention window, KRITZMACHER JOHN A bought $0 and sold $1.8M based on SEC Form 4 filings.
What was KRITZMACHER JOHN A's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 1,250 IDCC shares on 2025-11-11, worth $451K, per SEC Form 4 filings.