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Insider · CIK 0001194009

John A Kritzmacher

director

Files at UIS (UNISYS CORP), IDCC (InterDigital, Inc.). First filing Jun 11, 2025, latest Dec 23, 2025.

John A Kritzmacher files SEC Form 4 as director at IDCC (InterDigital, Inc.), and also at UIS (UNISYS CORP). Since Jun 11, 2025, John A Kritzmacher has reported 0 open-market buys worth $0 and 5 open-market sells worth $1.9M, the latest filed on Dec 23, 2025.

A track record needs three past buys with six months of prices behind them; John A Kritzmacher has 0, so none is measured yet.

The newest scored trade: sold $414k of IDCC on Dec 23, 2025, filed Dec 23, 2025, scored 26 (weak), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 4 sells worth $1.7M.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 5
$0 bought, $1.9M sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

IDCC: InterDigital, Inc.

IDCCOct 9, 2026 · close 331.31

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
26Weak
IDCCsell 510b5-1
InterDigital, Inc.
$414k
1,250 shares
-7%+92% from low-17% from high
20Weak
IDCCsell 210b5-1
InterDigital, Inc.
$447k
1,250 shares
-7%+113% from low-8% from high
20Weak
IDCCsell 210b5-1
InterDigital, Inc.
$433k
1,250 shares
-6%+110% from low-10% from high
27Weak
IDCCsell 310b5-1
InterDigital, Inc.
$451k
1,250 shares
-6%+118% from low-6% from high
20Weak
IDCCsell 510b5-1
InterDigital, Inc.
$118k
519 shares
-3%+74% from low0% from high

Planned sales

Form 144 notices this insider filed before selling restricted or control stock, newest first.

FiledCompanySharesValueSale datePast 3 months
Jun 9, 2025 IDCC
INTERDIGITAL, INC.
519
0.00% of outstanding
$118kJun 9, 2025none

Transactions

Every row this insider has filed, 17 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Feb 27, 2026UIS
UNISYS CORP
AGrant or award
Common Stock
+82,305$0.00$0209,839Mar 2, 2026
Jan 28, 2026IDCC
InterDigital, Inc.
AGrant or award
Common Stock
+2$0.00$015,817Jan 30, 2026
Dec 23, 2025IDCC
InterDigital, Inc.
SOpen-market sale
Common Stock10b5-1
-1,250$331.00$414k15,815Dec 23, 2025
Dec 9, 2025IDCC
InterDigital, Inc.
SOpen-market sale
Common Stock10b5-1
-1,250$357.37$447k17,065Dec 10, 2025
Nov 25, 2025IDCC
InterDigital, Inc.
SOpen-market sale
Common Stock10b5-1
-1,250$346.62$433k18,315Nov 26, 2025
Nov 11, 2025IDCC
InterDigital, Inc.
SOpen-market sale
Common Stock10b5-1
-1,250$360.63$451k19,565Nov 12, 2025
Oct 22, 2025IDCC
InterDigital, Inc.
AGrant or award
Common Stock
+2$0.00$020,815Oct 24, 2025
Jul 23, 2025IDCC
InterDigital, Inc.
AGrant or award
Common Stock
+3$0.00$020,813Jul 25, 2025
Jun 11, 2025IDCC
InterDigital, Inc.
AGrant or award
Common Stock
+1,036$0.00$020,810Jun 13, 2025
Jun 9, 2025IDCC
InterDigital, Inc.
SOpen-market sale
Common Stock10b5-1
-243$225.88$55k20,050Jun 11, 2025
Jun 9, 2025IDCC
InterDigital, Inc.
SOpen-market sale
Common Stock10b5-1
-200$226.77$45k19,850Jun 11, 2025
Jun 9, 2025IDCC
InterDigital, Inc.
SOpen-market sale
Common Stock10b5-1
-76$228.81$17k19,774Jun 11, 2025
Jun 5, 2025IDCC
InterDigital, Inc.
DDisposition to issuer
Common Stock
-1$223.51$15220,293Jun 9, 2025
Apr 23, 2025IDCC
InterDigital, Inc.
AGrant or award
Common Stock
+5$0.00$020,294Apr 25, 2025
Feb 24, 2025UIS
UNISYS CORP
AGrant or award
Common Stock
+44,643$0.00$0127,534Feb 26, 2025
Jan 22, 2025IDCC
InterDigital, Inc.
AGrant or award
Common Stock
+4$0.00$020,288Jan 24, 2025
Oct 23, 2024IDCC
InterDigital, Inc.
AGrant or award
Common Stock
+5$0.00$020,284Oct 25, 2024

Questions about John A Kritzmacher

Answered from the filings on this page, as of the latest one.

Is John A Kritzmacher buying or selling?

In the last 12 months John A Kritzmacher reported 0 open-market buys worth $0 and 4 open-market sells worth $1.7M on SEC Form 4; the latest was sold $414k of IDCC on Dec 23, 2025. Grants, option exercises and tax withholding are not counted.

How did John A Kritzmacher's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and John A Kritzmacher has 0.

Where does John A Kritzmacher file Form 4?

John A Kritzmacher has filed Form 4 at IDCC (InterDigital, Inc.); UIS (UNISYS CORP). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.