| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director | Former CFO and EVP | CFO and EVP +2 more
3 companies
John A Kritzmacher is Director at UIS and has filed Form 4s across 3 companies. John A Kritzmacher's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $9.2M at current prices.
Historically, John A Kritzmacher's trades have earned a below-average insider score of 48/100 across 12 rated trades. Over a 12-month horizon, 28.6% of those trades were profitable, with an average 12-month return of -25.6%.
The biggest single holding is IDCC (~$5.1M) as Director. The IDCC filings lean toward selling, a net 15,603 shares.
John A Kritzmacher has 91 Form 4 filings on record from June 2016 to October 2026, across 3 companies: Director at InterDigital (IDCC), 2017–2026; Director at Unisys (UIS), 2023–2026; Former CFO and EVP at John Wiley & Sons (WLY), 2016–2021.
The 149 reported transactions were 52 stock awards, 39 option exercises, 24 open-market sales and 13 option or other derivative awards, plus smaller numbers of other types.
Counted by filing, the open-market trades come to 1 purchase worth about $2K and 20 sales worth about $8.0M.
The only open-market purchase was 49 shares of IDCC at an average $47.32 on October 11, 2022, about $2K. Twelve months later IDCC was up 72%.
The largest open-market sale was 22,209 shares of WLY at an average $65.10 on July 11, 2018, about $1.4M.
8 of the 9 sales since April 2023 were made under a Rule 10b5-1 trading plan; the other was not.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 12, 2026 | IDCC Interdigital, Inc. | Director | Sell10b5-1 | 365 | $276.64 | $100,973.60 | -2.2% | +22.1% | - | |
| Dec 23, 2025 | IDCC Interdigital, Inc. | Director | Sell10b5-1 | 1,250 | $331.00 | $413,750.00 | -7.3% | -5.0% | - | |
| Dec 9, 2025 | IDCC Interdigital, Inc. | Director | Sell10b5-1 | 1,250 | $357.37 | $446,712.50 | -6.8% | +0.3% | - | |
| Nov 25, 2025 | IDCC Interdigital, Inc. | Director | Sell10b5-1 | 1,250 | $346.62 | $433,275.00 | -6.4% | -1.5% | - | |
| Nov 11, 2025 | IDCC Interdigital, Inc. | Director | Sell10b5-1 | 1,250 | $360.63 | $450,787.50 | -6.0% | +1.3% | - | |
| Jun 9, 2025 | IDCC Interdigital, Inc. | Director | Sell10b5-1 | 519 | $226.65 | $117,632.40 | -2.6% | +31.6% | +12.8% | |
| Sep 20, 2024 | IDCC Interdigital, Inc. | Director | Sell10b5-1 | 2,500 | $138.72 | $346,800.00 | -11.0% | +36.4% | +141.7% | |
| Jun 11, 2024 | IDCC Interdigital, Inc. | Director | Sell10b5-1 | 769 | $115.28 | $88,650.32 | -3.3% | +12.4% | +91.2% | |
| Jun 7, 2023 | IDCC Interdigital, Inc. | Director | Sell | 1,030 | $86.17 | $88,755.10 | -5.0% | -4.0% | +35.5% | |
| Oct 11, 2022 | IDCC Interdigital, Inc. | Director | Buy | 49 | $47.32 | $2,318.68 | +0.2% | +22.6% | +72.5% |