John A. Kritzmacher, a director at InterDigital, Inc. ($IDCC), sold shares on the open market seven times over the past year, totaling $1.86 million. His most recent sale occurred on December 23, 2025. These sales rank 3,638th among 11,678 individual insiders in our database, where the average sale value is $8.59 million across 6.37 transactions on average. He made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 27, 2026 | UNISYS CORP | $UIS | KRITZMACHER JOHN A | Director | A | Common Stock | 82305 | $0.00 | 209,839.0000 | 71,306,106 | 64.54% | 0.12% |
| Jan. 28, 2026 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | A | Common Stock | 2 | $0.00 | 15,816.9246 | 70,965,000 | 0.01% | 0.00% |
| Dec. 23, 2025 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | S | Common Stock | 1250 | $331.00 | 15,814.7298 | 70,963,000 | 7.33% | 0.00% |
| Dec. 9, 2025 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | S | Common Stock | 1250 | $357.37 | 17,064.7298 | 70,963,000 | 6.83% | 0.00% |
| Nov. 25, 2025 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | S | Common Stock | 1250 | $346.62 | 18,314.7298 | 70,963,000 | 6.39% | 0.00% |
| Nov. 11, 2025 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | S | Common Stock | 1250 | $360.63 | 19,564.7298 | 70,963,000 | 6.01% | 0.00% |
| Oct. 22, 2025 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | A | Common Stock | 2 | $0.00 | 20,814.7298 | 70,963,000 | 0.01% | 0.00% |
| July 23, 2025 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | A | Common Stock | 3 | $0.00 | 20,812.7318 | 70,911,000 | 0.01% | 0.00% |
| June 11, 2025 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | A | Common Stock | 1036 | $0.00 | 20,810.0000 | 70,895,000 | 5.24% | 0.00% |
| June 9, 2025 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | S | Common Stock | 243 | $225.88 | 20,050.0000 | 70,895,000 | 1.20% | 0.00% |
| June 9, 2025 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | S | Common Stock | 200 | $226.77 | 19,850.0000 | 70,895,000 | 1.00% | 0.00% |
| June 9, 2025 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | S | Common Stock | 76 | $228.81 | 19,774.0000 | 70,895,000 | 0.38% | 0.00% |
| June 5, 2025 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | D | Common Stock | 1 | $223.51 | 20,293.0000 | 70,895,000 | 0.00% | 0.00% |
| April 23, 2025 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | A | Common Stock | 5 | $0.00 | 20,293.6782 | 70,895,000 | 0.03% | 0.00% |
| Feb. 24, 2025 | UNISYS CORP | $UIS | KRITZMACHER JOHN A | Director | A | Common Stock | 44643 | $0.00 | 127,534.0000 | 69,604,122 | 53.86% | 0.06% |
| Jan. 22, 2025 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | A | Common Stock | 4 | $0.00 | 20,288.2707 | 70,577,000 | 0.02% | 0.00% |
| Oct. 23, 2024 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | A | Common Stock | 5 | $0.00 | 20,283.7762 | 70,137,000 | 0.03% | 0.00% |
| Sept. 20, 2024 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | S | Common Stock | 2500 | $138.72 | 20,278.6427 | 70,001,000 | 10.98% | 0.00% |
| July 24, 2024 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | A | Common Stock | 6 | $0.00 | 22,778.6427 | 70,001,000 | 0.02% | 0.00% |
| June 11, 2024 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | S | Common Stock | 769 | $115.28 | 22,773.0000 | 69,638,000 | 3.27% | 0.00% |
| June 7, 2024 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | D | Common Stock | 1 | $117.30 | 23,542.0000 | 69,638,000 | 0.00% | 0.00% |
| June 5, 2024 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | A | Common Stock | 1711 | $0.00 | 23,542.6067 | 69,638,000 | 7.84% | 0.00% |
| April 24, 2024 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | A | Common Stock | 9 | $0.00 | 21,831.6067 | 69,638,000 | 0.04% | 0.00% |
| Feb. 26, 2024 | UNISYS CORP | $UIS | KRITZMACHER JOHN A | Director | A | Common Stock | 36037 | $0.00 | 82,891.0000 | 0 | 76.91% | 0.00% |
| Jan. 24, 2024 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | A | Common Stock | 8 | $0.00 | 21,822.8175 | 69,507,000 | 0.04% | 0.00% |
| Oct. 25, 2023 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | A | Common Stock | 11 | $0.00 | 21,814.5188 | 71,923,000 | 0.05% | 0.00% |
| July 26, 2023 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | A | Common Stock | 8 | $0.00 | 21,803.2492 | 71,923,000 | 0.04% | 0.00% |
| Oct. 11, 2022 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | P | Common Stock | 49 | $47.32 | 21,795.0000 | 71,720,000 | 0.23% | 0.00% |
| June 7, 2023 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | A | Common Stock | 2162 | $0.00 | 21,746.0000 | 71,923,000 | 11.04% | 0.00% |
| June 7, 2023 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | S | Common Stock | 1030 | $86.17 | 19,584.0000 | 71,923,000 | 5.00% | 0.00% |
| June 1, 2023 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | D | Common Stock | 0 | $83.49 | 20,614.0000 | 71,923,000 | 0.00% | 0.00% |
| April 26, 2023 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | A | Common Stock | 15 | $0.00 | 20,614.2949 | 71,923,000 | 0.07% | 0.00% |
| Feb. 28, 2023 | UNISYS CORP | $UIS | KRITZMACHER JOHN A | Director | A | Common Stock | 46854 | $0.00 | 46,854.0000 | 0 | 9999.99% | 0.00% |
| Jan. 25, 2023 | InterDigital, Inc. | $IDCC | KRITZMACHER JOHN A | Director | A | Common Stock | 15 | $0.00 | 20,599.2357 | 71,923,000 | 0.07% | 0.00% |