The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Kritzmacher John A since 2016.
This trader's CIK number is 1194009.
At the time of last reporting, Kritzmacher John A was the Director of Interdigital, Inc.. (stock ticker symbol IDCC).
Also see all insider trading activities at Interdigital, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | IDCC | 0 | $0 | 519 | $117,892 | 0 | $0 |
| 2024 | IDCC | 0 | $0 | 3,269 | $435,450 | 0 | $0 |
| 2022 | IDCC | 49 | $2,318 | 1,030 | $88,755 | 0 | $0 |
| 2022 | IDCC | 0 | $0 | 814 | $54,399 | 0 | $0 |
| 2020 | IDCC | 0 | $0 | 969 | $54,477 | 0 | $0 |
| 2019 | IDCC | 0 | $0 | 775 | $50,251 | 0 | $0 |
| 2018 | IDCC | 0 | $0 | 750 | $63,824 | 0 | $0 |
| 2017 | IDCC | 0 | $0 | 1,075 | $90,708 | 0 | $0 |
| 2016 | IDCC | 0 | $0 | 1,100 | $64,372 | 0 | $0 |
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2021 | JWA/JWB | 0 | $0 | 0 | $0 | 24,537 | $0 |
| 2021 | JWA/JWB | 0 | $0 | 30,771 | $1,780,149 | 24,878 | $592,950 |
| 2020 | JWA/JWB | 0 | $0 | 0 | $0 | 30,067 | $0 |
| 2019 | JWA/JWB | 0 | $0 | 0 | $0 | 23,143 | $0 |
| 2018 | JWA/JWB | 0 | $0 | 50,000 | $3,311,545 | 67,134 | $1,778,848 |
| 2017 | JWA/JWB | 0 | $0 | 0 | $0 | 8,600 | $0 |
2. John Wiley & Sons, Inc. (JWA/JWB)
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-06-09 | IDCC | Sale | 519 | 227.15 | 117,892 |
| 2024-09-20 | IDCC | Sale | 2,500 | 138.72 | 346,800 |
| 2024-06-11 | IDCC | Sale | 769 | 115.28 | 88,650 |
| 2022-10-11 | IDCC | Buy | 49 | 47.32 | 2,318 |
| 2023-06-07 | IDCC | Sale | 1,030 | 86.17 | 88,755 |
| 2022-06-06 | IDCC | Sale | 814 | 66.83 | 54,399 |
| 2020-07-13 | IDCC | Sale | 969 | 56.22 | 54,477 |
| 2019-06-04 | IDCC | Sale | 775 | 64.84 | 50,251 |
| 2018-06-15 | IDCC | Sale | 750 | 85.10 | 63,824 |
| 2017-06-09 | IDCC | Sale | 1,075 | 84.38 | 90,708 |
| 2016-06-13 | IDCC | Sale | 1,100 | 58.52 | 64,372 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2021-12-31 | JWA/JWB | Option Ex | 24,537 | .00 | 0 |
| 2021-07-14 | JWA/JWB | Sale | 15,771 | 58.30 | 919,449 |
| 2021-06-14 | JWA/JWB | Sale | 15,000 | 57.38 | 860,700 |
| 2021-06-14 | JWA/JWB | Option Ex | 15,000 | 39.53 | 592,950 |
| 2021-04-30 | JWA/JWB | Option Ex | 9,878 | .00 | 0 |
| 2020-06-30 | JWA/JWB | Option Ex | 9,883 | .00 | 0 |
| 2020-04-30 | JWA/JWB | Option Ex | 20,184 | .00 | 0 |
| 2019-06-28 | JWA/JWB | Option Ex | 4,564 | .00 | 0 |
| 2019-04-30 | JWA/JWB | Option Ex | 18,579 | .00 | 0 |
| 2018-07-16 | JWA/JWB | Option Ex | 7,256 | 39.53 | 286,829 |
| 2018-07-17 | JWA/JWB | Option Ex | 7,744 | 39.53 | 306,120 |
| 2018-07-16 | JWA/JWB | Sale | 7,256 | 67.50 | 489,780 |
| 2018-07-17 | JWA/JWB | Sale | 7,744 | 67.50 | 522,720 |
| 2018-07-11 | JWA/JWB | Option Ex | 17,209 | 39.53 | 680,271 |
| 2018-07-11 | JWA/JWB | Sale | 22,209 | 65.09 | 1,445,694 |
| 2018-06-30 | JWA/JWB | Option Ex | 3,200 | .00 | 0 |
| 2018-06-19 | JWA/JWB | Option Ex | 12,791 | 39.53 | 505,628 |
| 2018-06-19 | JWA/JWB | Sale | 12,791 | 66.72 | 853,351 |
| 2018-04-30 | JWA/JWB | Option Ex | 18,934 | .00 | 0 |
| 2017-04-30 | JWA/JWB | Option Ex | 8,600 | .00 | 0 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Kritzmacher John A (Director of Interdigital, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.