John A Kritzmacher Insider Trading Activity
John A Kritzmacher has been net-selling over the last 12 months with 0 purchases and 5 sales across 1 company.
IDCC is the most-traded position with 5 trades. The largest single transaction was a sale of IDCC for $451K on Nov 11, 2025.
Performance Scorecard
Forward stock performance after each transaction by John A Kritzmacher. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | +3.2% | 88% | 8 |
| 90 days | — | -14.0% | 14% | 7 |
| 120 days | — | -21.8% | 29% | 7 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersIDCC · InterDigital, Inc.
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Jun 12, 2026 | IDCC | Sell | 365 | $276.64 | $101K | −2.2% | Director | |
Dec 23, 2025 | IDCC | Sell | 1,250 | $331.00 | $414K | −7.3% | Director | |
Dec 9, 2025 | IDCC | Sell | 1,250 | $357.37 | $447K | −6.8% | Director | |
Nov 25, 2025 | IDCC | Sell | 1,250 | $346.62 | $433K | −6.4% | Director | |
Nov 11, 2025 | IDCC | Sell | 1,250 | $360.63 | $451K | −6.0% | Director | |
Jun 9, 2025 | IDCC | Sell | 243 | $225.88 | $55K | −1.2% | Director | |
Jun 9, 2025 | IDCC | Sell | 200 | $226.77 | $45K | −1.0% | Director | |
Jun 9, 2025 | IDCC | Sell | 76 | $228.81 | $17K | −0.4% | Director |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| IDCC | InterDigital, Inc. | 8 | $2.0M |
Other insiders at InterDigital, Inc.
8 other tracked filers at IDCC.