Mattis Julia C (CIK 2086712) reported 10 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-04-24). Recent activity: Buy IDCC (16 shares), Buy IDCC (4,140 shares), Buy IDCC (2,470 shares), Sell IDCC (1,050 shares), Sell IDCC (0 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-24 | InterDigital, Inc. (IDCC) | Chief Licensing Officer | Buy | 16 | $0 |
| 2026-04-02 | InterDigital, Inc. (IDCC) | Chief Licensing Officer | Buy | 4,140 | $0 |
| 2026-03-17 | InterDigital, Inc. (IDCC) | Chief Licensing Officer | Buy | 2,470 | $0 |
| 2026-03-17 | InterDigital, Inc. (IDCC) | Chief Licensing Officer | Sell | 1,050 | $380,468 |
| 2026-03-17 | InterDigital, Inc. (IDCC) | Chief Licensing Officer | Sell | 0 | $98 |
| 2026-03-17 | InterDigital, Inc. (IDCC) | Chief Licensing Officer | Sell | 993 | $359,814 |
| 2026-03-17 | InterDigital, Inc. (IDCC) | Chief Licensing Officer | Sell | 2 | $598 |
| 2026-01-30 | InterDigital, Inc. (IDCC) | Chief Licensing Officer | Buy | 16 | $0 |
| 2026-01-07 | InterDigital, Inc. (IDCC) | Chief Licensing Officer | Buy | 1,068 | $0 |
| 2025-10-24 | InterDigital, Inc. (IDCC) | Chief Licensing Officer | Buy | 12 | $0 |
Source: SEC Form 4 filings · as of 2026-04-24