🕵️ Interdigital, Inc. ($IDCC)
SEC insider & ownership activity, last 12 months · CIK 1405495 · every row links its SEC filing
Over the last 12 months insiders sold $26.6M with no open-market buying against it. Chen Lawrence Liren sold $9.5M through a 10b5-1 trading plan in 14 lots (Dec–Jan). Blackrock, Inc. trimmed 16.0% → 13.1%. No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 11 sellers, $26.6M (97 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Chen Lawrence Liren | 0 | – | 14 | $9.5M | Jan 27, 2026 |
| Richard Brezski | 0 | – | 44 | $6.8M | Feb 11, 2026 |
| Rajesh Pankaj | 0 | – | 14 | $4.4M | Jul 6, 2026 |
| Joshua Schmidt | 0 | – | 13 | $2.7M | Mar 17, 2026 |
| John Kritzmacher | 0 | – | 5 | $1.8M | Jun 12, 2026 |
| Julia C. Mattis | 0 | – | 1 | $412K | Jun 3, 2026 |
| John D Markley | 0 | – | 2 | $382K | Jun 22, 2026 |
| Derek K Aberle | 0 | – | 1 | $144K | Jun 12, 2026 |
| Samir Armaly | 0 | – | 1 | $130K | Jun 12, 2026 |
| Joan H. Gillman | 0 | – | 1 | $114K | Feb 11, 2026 |
| Jean F Rankin | 0 | – | 1 | $101K | Jun 12, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Blackrock, Inc. | 13.1% | 13G | Apr 24, 2026 | filing ↗ | |
| T. ROWE Price Associates, Inc. | 10.1% | 13G | Jul 8, 2026 | filing ↗ | |
| Vanguard Portfolio Management | 6.3% | 13G | Apr 29, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.2% | 13G | Apr 30, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Rajesh Pankaj | $429K | Jul 6, 2026 | filing ↗ |
| John D Markley | $120K | Jun 22, 2026 | filing ↗ |
| John Kritzmacher | $101K | Jun 12, 2026 | filing ↗ |
| Jean F Rankin | $101K | Jun 12, 2026 | filing ↗ |
| Samir Armaly | $130K | Jun 12, 2026 | filing ↗ |
| Derek K Aberle | $144K | Jun 12, 2026 | filing ↗ |
| Rajesh Pankaj | $435K | Jun 11, 2026 | filing ↗ |
| Rajesh Pankaj | $194K | Jun 5, 2026 | filing ↗ |
| Julia Mattis | $412K | Jun 3, 2026 | filing ↗ |
| Rajesh Pankaj | $208K | May 5, 2026 | filing ↗ |
| Rajesh K Pankaj | $470K | Apr 6, 2026 | filing ↗ |
| Joshua Schmidt | $2.1M | Mar 17, 2026 | filing ↗ |
| Rajesh K Pankaj | $368K | Mar 5, 2026 | filing ↗ |
| Joshua Schmidt | $171K | Feb 27, 2026 | filing ↗ |
| Joan H Gillman | $114K | Feb 11, 2026 | filing ↗ |
| Richard Brezski | $704K | Feb 11, 2026 | filing ↗ |
| Richard Brezski | $2.2M | Feb 10, 2026 | filing ↗ |
| John D Markley | $262K | Feb 10, 2026 | filing ↗ |
| Rajesh K Pankaj | $326K | Feb 5, 2026 | filing ↗ |
| Liren Chen | $2.0M | Jan 27, 2026 | filing ↗ |
| Liren Chen | $972K | Jan 21, 2026 | filing ↗ |
| Liren Chen | $904K | Jan 20, 2026 | filing ↗ |
| Liren Chen | $930K | Jan 14, 2026 | filing ↗ |
| Liren Chen | $925K | Jan 13, 2026 | filing ↗ |
| Liren Chen | $924K | Jan 7, 2026 | filing ↗ |
| Richard Brezski | $1.6M | Jan 6, 2026 | filing ↗ |
| Liren Chen | $994K | Jan 6, 2026 | filing ↗ |
| Rajesh K Pankaj | $327K | Jan 5, 2026 | filing ↗ |
| Richard Brezski | $2.3M | Jan 5, 2026 | filing ↗ |
| Liren Chen | $968K | Dec 31, 2025 | filing ↗ |
| Joshua Schmidt | $152K | Dec 31, 2025 | filing ↗ |
| Liren Chen | $980K | Dec 30, 2025 | filing ↗ |
| John Kritzmacher | $414K | Dec 23, 2025 | filing ↗ |
| John Kritzmacher | $447K | Dec 9, 2025 | filing ↗ |
| Rajesh K Pankaj | $351K | Dec 5, 2025 | filing ↗ |
| John Kritzmacher | $433K | Nov 25, 2025 | filing ↗ |
| John Kritzmacher | $451K | Nov 11, 2025 | filing ↗ |
| Rajesh K Pankaj | $375K | Nov 5, 2025 | filing ↗ |
| Joshua Schmidt | $184K | Oct 31, 2025 | filing ↗ |
| Rajesh K Pankaj | $338K | Oct 6, 2025 | filing ↗ |
| Rajesh K Pankaj | $290K | Sep 5, 2025 | filing ↗ |
| Joshua Schmidt | $127K | Aug 29, 2025 | filing ↗ |
| Rajesh K Pankaj | $261K | Aug 20, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Charter/bylaw changes (5.03) | Jun 10, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 10, 2026 | filing ↗ |
| Earnings (2.02) | Apr 30, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 30, 2026 | filing ↗ |
| Earnings (2.02) | Feb 5, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 5, 2026 | filing ↗ |
| Other events (8.01) | Jan 7, 2026 | filing ↗ |
| Earnings (2.02) | Oct 30, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Oct 30, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 30, 2025 | filing ↗ |
| Officer/director changes (5.02) | Sep 4, 2025 | filing ↗ |
| Earnings (2.02) | Jul 31, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 31, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 31, 2025 | filing ↗ |
| Other events (8.01) | Jul 28, 2025 | filing ↗ |