Kritzmacher John A insider trades
Kritzmacher John A has filed 47 Form 4s with the SEC that we hold, for InterDigital, Inc. (IDCC) (Director), Unisys Corp (UIS) (Director), John Wiley & Sons, INC. (WLY) (Former CFO and EVP) and QTEK (Director). Across all of them we count 1 purchase worth $2.3K and 13 sales worth $3.5M reported on Form 4. In the last 12 months: 0 purchases ($0) and 5 sales ($1.8M). The largest single trade was a sale of 15,771 shares of John Wiley & Sons, INC. worth $919.4K, dated 2021-07-14. The first filing on our record is dated 2021-07-02 and the latest 2026-07-24.
InterDigital, Inc. (IDCC)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2022-06-06 | S, sale reported on Form 4 | 814 | $54.4K | 2022-06-07 |
| 2022-10-11 | P, purchase reported on Form 4 | 49 | $2.3K | 2023-06-21 |
| 2023-06-07 | S, sale reported on Form 4 | 1,030 | $88.8K | 2023-06-09 |
| 2024-06-11 | S, sale reported on Form 4 | 769 | $88.7K | 2024-06-12 |
| 2024-09-20 | S, sale reported on Form 4 | 2,500 | $346.8K | 2024-09-23 |
| 2025-06-09 | S, sale reported on Form 4 | 76 | $17.4K | 2025-06-11 |
| 2025-06-09 | S, sale reported on Form 4 | 200 | $45.4K | 2025-06-11 |
| 2025-06-09 | S, sale reported on Form 4 | 243 | $54.9K | 2025-06-11 |
| 2025-11-11 | S, sale reported on Form 4 | 1,250 | $450.8K | 2025-11-12 |
| 2025-11-25 | S, sale reported on Form 4 | 1,250 | $433.3K | 2025-11-26 |
| 2025-12-09 | S, sale reported on Form 4 | 1,250 | $446.7K | 2025-12-10 |
| 2025-12-23 | S, sale reported on Form 4 | 1,250 | $413.8K | 2025-12-23 |
| 2026-06-12 | S, sale reported on Form 4 | 365 | $101.0K | 2026-06-16 |
Unisys Corp (UIS)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
John Wiley & Sons, INC. (WLY)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2021-07-14 | S, sale reported on Form 4 | 15,771 | $919.4K | 2021-07-16 |
QTEK
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Counted from the Form 4 filings this reporting owner (SEC CIK 1194009) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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