BREZSKI RICHARD (CIK 1231579) reported 78 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-04-24). Recent activity: Buy IDCC (25 shares), Buy IDCC (5,299 shares), Buy IDCC (21,430 shares), Sell IDCC (9,319 shares), Sell IDCC (0 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-24 | InterDigital, Inc. (IDCC) | Chief Financial Officer | Buy | 25 | $0 |
| 2026-04-02 | InterDigital, Inc. (IDCC) | Chief Financial Officer | Buy | 5,299 | $0 |
| 2026-03-17 | InterDigital, Inc. (IDCC) | Chief Financial Officer | Buy | 21,430 | $0 |
| 2026-03-17 | InterDigital, Inc. (IDCC) | Chief Financial Officer | Sell | 9,319 | $3.4M |
| 2026-03-17 | InterDigital, Inc. (IDCC) | Chief Financial Officer | Sell | 0 | $181 |
| 2026-03-17 | InterDigital, Inc. (IDCC) | Chief Financial Officer | Sell | 3,965 | $1.4M |
| 2026-03-17 | InterDigital, Inc. (IDCC) | Chief Financial Officer | Sell | 1 | $192 |
| 2026-03-17 | InterDigital, Inc. (IDCC) | Chief Financial Officer | Sell | 1,000 | $0 |
| 2026-02-12 | InterDigital, Inc. (IDCC) | Chief Financial Officer | Sell | 350 | $125,272 |
| 2026-02-12 | InterDigital, Inc. (IDCC) | Chief Financial Officer | Sell | 760 | $269,580 |
| 2026-02-12 | InterDigital, Inc. (IDCC) | Chief Financial Officer | Sell | 652 | $232,210 |
| 2026-02-12 | InterDigital, Inc. (IDCC) | Chief Financial Officer | Sell | 400 | $142,812 |
| 2026-02-12 | InterDigital, Inc. (IDCC) | Chief Financial Officer | Sell | 620 | $219,275 |
| 2026-02-12 | InterDigital, Inc. (IDCC) | Chief Financial Officer | Sell | 410 | $147,309 |
| 2026-02-12 | InterDigital, Inc. (IDCC) | Chief Financial Officer | Sell | 360 | $129,593 |
| 2026-02-12 | InterDigital, Inc. (IDCC) | Chief Financial Officer | Sell | 458 | $165,320 |
| 2026-02-12 | InterDigital, Inc. (IDCC) | Chief Financial Officer | Sell | 590 | $213,521 |
| 2026-02-12 | InterDigital, Inc. (IDCC) | Chief Financial Officer | Sell | 160 | $58,400 |
| 2026-02-12 | InterDigital, Inc. (IDCC) | Chief Financial Officer | Sell | 240 | $87,994 |
| 2026-02-12 | InterDigital, Inc. (IDCC) | Chief Financial Officer | Sell | 15 | $5,522 |
| 2026-02-12 | InterDigital, Inc. (IDCC) | Chief Financial Officer | Sell | 200 | $73,940 |
| 2026-02-12 | InterDigital, Inc. (IDCC) | Chief Financial Officer | Sell | 40 | $14,880 |
| 2026-02-12 | InterDigital, Inc. (IDCC) | Chief Financial Officer | Sell | 160 | $59,781 |
| 2026-02-12 | InterDigital, Inc. (IDCC) | Chief Financial Officer | Sell | 590 | $221,215 |
| 2026-02-12 | InterDigital, Inc. (IDCC) | Chief Financial Officer | Sell | 2,000 | $704,480 |
Source: SEC Form 4 filings · as of 2026-04-24