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Kritzmacher John A

In the past year, 5 open-market sale filings worth $1.85M and no purchases.

Current role at each company

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought
–
0 filings
Sold
$1.85M
5 filings
Net
−$1.85M
Bought minus sold
Companies
1
With open-market trades

Trades

Every Form 4 that lists Kritzmacher John A as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

IDCC InterDigital, Inc.

Director11 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Jun 16, 2026 (view filing)Jun 124 daysKritzmacher John ADirectorSSale−365$276.64−$101.0K−2.2%16.4K after10b5-1
Dec 23, 2025 (view filing)Dec 23Same dayKritzmacher John ADirectorSSale−1.25K$331.00−$413.8K−7.3%15.8K after10b5-1
Dec 10, 2025 (view filing)Dec 91 dayKritzmacher John ADirectorSSale−1.25K$357.37−$446.7K−6.8%17.1K after10b5-1
Nov 26, 2025 (view filing)Nov 251 dayKritzmacher John ADirectorSSale−1.25K$346.62−$433.3K−6.4%18.3K after10b5-1
Nov 12, 2025 (view filing)Nov 111 dayKritzmacher John ADirectorSSale−1.25K$360.63−$450.8K−6.0%19.6K after10b5-1
Jun 11, 2025 (view filing)Jun 92 daysKritzmacher John ADirectorSSale−519$226.65−$117.6K−2.6%19.8K after3 lots10b5-1
Sep 23, 2024 (view filing)Sep 203 daysKritzmacher John ADirectorSSale−2.50K$138.72−$346.8K−11.0%20.3K after10b5-1
Jun 12, 2024 (view filing)Jun 111 dayKritzmacher John ADirectorSSale−769$115.28−$88.7K−3.3%22.8K after10b5-1
Jun 21, 2023 (view filing)Oct 11, 2022253 daysLateKritzmacher John ADirectorPPurchase+49$47.32+$2.32K+0.2%21.8K after
Jun 9, 2023 (view filing)Jun 72 daysKritzmacher John ADirectorSSale−1.03K$86.17−$88.8K−5.0%19.6K after

See all 11 trades at IDCC

WLY John Wiley & Sons, Inc.

Former CFO and EVP1 trade

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Jul 16, 2021 (view filing)Jul 142 daysKritzmacher John ACFO and EVPSSaleClass A Common−15.8K$58.30−$919.4K−21.4%58.0K after