Insider Ledger
InterDigital, Inc. (IDCC) insider buying and SEC filings
InterDigital, Inc. · CIK 1405495
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- Nasdaq
- Industry (SIC)
- Patent Owners & Lessors
- Fiscal year end
- Dec 31
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$27.2M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Oct 5, 2026 | Planned (10b5-1) | Rajesh Pankaj (Chief Technology Officer) sold 1,500 shares at $334.32 ($501K), marked as a 10b5-1 plan trade. Holdings down 2% to 63,516 shares. | SEC filing Filed Oct 6, 2026, 6:49 AM ET |
| Sep 8, 2026 | Planned (10b5-1) | Rajesh Pankaj (Chief Technology Officer) sold 1,500 shares at $338.00 ($507K), marked as a 10b5-1 plan trade. Holdings down 2% to 65,016 shares. | SEC filing Filed Sep 9, 2026 |
| Aug 7, 2026 | Planned (10b5-1) | Joan H Gillman (Director) sold 300 shares at $331.06 ($99K), marked as a 10b5-1 plan trade. Holdings down 1% to 22,736 shares. | SEC filing Filed Aug 10, 2026 |
| Aug 5, 2026 | Planned (10b5-1) | Rajesh Pankaj (Chief Technology Officer) sold 1,500 shares at $324.88 ($487K), marked as a 10b5-1 plan trade. Holdings down 2% to 66,516 shares. | SEC filing Filed Aug 7, 2026 |
| Jul 6, 2026 | Planned (10b5-1) | Rajesh Pankaj (Chief Technology Officer) sold 1,500 shares at about $286.00 ($429K), marked as a 10b5-1 plan trade. Holdings down 2% to 67,976 shares. | SEC filing Filed Jul 7, 2026 |
| Jun 22, 2026 | Planned (10b5-1) | John D. Markley Jr. (Director) sold 400 shares at $300.00 ($120K), marked as a 10b5-1 plan trade. Holdings down 3% to 11,735 shares. | SEC filing Filed Jun 23, 2026 |
| Jun 12, 2026 | Planned (10b5-1) | Jean F. Rankin (Director) sold 365 shares at $276.64 ($101K), marked as a 10b5-1 plan trade. Holdings down 1% to 28,938 shares. | SEC filing Filed Jun 16, 2026 |
| Jun 12, 2026 | Planned (10b5-1) | John A. Kritzmacher (Director) sold 365 shares at $276.64 ($101K), marked as a 10b5-1 plan trade. Holdings down 2% to 16,359 shares. | SEC filing Filed Jun 16, 2026 |
| Jun 12, 2026 | Planned (10b5-1) | Samir Armaly (Director) sold 470 shares at $276.64 ($130K), marked as a 10b5-1 plan trade. Holdings down 9% to 4,608 shares. | SEC filing Filed Jun 16, 2026 |
| Jun 12, 2026 | Planned (10b5-1) | Derek K. Aberle (Director) sold 522 shares at $276.64 ($144K), marked as a 10b5-1 plan trade. Holdings down 6% to 7,620 shares. | SEC filing Filed Jun 16, 2026 |
| Jun 11, 2026 | Planned (10b5-1) | Rajesh Pankaj (Chief Technology Officer) sold 1,500 shares at $290.00 ($435K), marked as a 10b5-1 plan trade. Holdings down 2% to 69,476 shares. | SEC filing Filed Jun 12, 2026 |
| Jun 5, 2026 | Planned (10b5-1) | Rajesh Pankaj (Chief Technology Officer) sold 750 shares at $258.38 ($194K), marked as a 10b5-1 plan trade. Holdings down 1% to 70,976 shares. | SEC filing Filed Jun 8, 2026 |
| Jun 3, 2026 | Planned (10b5-1) | Julia C Mattis (Chief Licensing Officer) sold 1,600 shares at $257.65 ($412K), marked as a 10b5-1 plan trade. Holdings down 12% to 11,538 shares. | SEC filing Filed Jun 4, 2026 |
| May 5, 2026 | Planned (10b5-1) | Rajesh Pankaj (Chief Technology Officer) sold 750 shares at $278.00 ($209K), marked as a 10b5-1 plan trade. Holdings down 1% to 71,726 shares. | SEC filing Filed May 6, 2026 |
| Apr 6, 2026 | Planned (10b5-1) | Rajesh Pankaj (Chief Technology Officer) sold 1,500 shares at $313.30 ($470K), marked as a 10b5-1 plan trade. Holdings down 2% to 72,449 shares. | SEC filing Filed Apr 7, 2026 |
| Mar 17, 2026 | Planned (10b5-1) | Joshua D. Schmidt (CLO & Corp Secretary) sold 6,000 shares at about $348.21 ($2.1M), marked as a 10b5-1 plan trade. Holdings down 19% to 25,889 shares. | SEC filing Filed Mar 17, 2026 |
| Mar 5, 2026 | Planned (10b5-1) | Rajesh Pankaj (Chief Technology Officer) sold 1,000 shares at $368.10 ($368K), marked as a 10b5-1 plan trade. Holdings down 2% to 60,196 shares. | SEC filing Filed Mar 6, 2026 |
| Feb 27, 2026 | Planned (10b5-1) | Joshua D. Schmidt (CLO & Corp Secretary) sold 467 shares at $365.86 ($171K), marked as a 10b5-1 plan trade. Holdings down 2% to 27,021 shares. | SEC filing Filed Mar 3, 2026 |
| Feb 11, 2026 | Planned (10b5-1) | Joan H Gillman (Director) sold 325 shares at $352.24 ($114K), marked as a 10b5-1 plan trade. Holdings down 1% to 22,036 shares. | SEC filing Filed Feb 12, 2026 |
| Feb 10–11, 2026 | Planned (10b5-1) | Richard Brezski (CFO) sold 8,005 shares between Feb 10 and Feb 11 at about $358.66 ($2.9M), marked as a 10b5-1 plan trade. Holdings down 10% to 70,404 shares. | SEC filing Filed Feb 12, 2026 |
| Feb 10, 2026 | Planned (10b5-1) | John D. Markley Jr. (Director) sold 700 shares at $374.95 ($262K), marked as a 10b5-1 plan trade. Holdings down 6% to 11,223 shares. | SEC filing Filed Feb 12, 2026 |
| Feb 5, 2026 | Planned (10b5-1) | Rajesh Pankaj (Chief Technology Officer) sold 1,000 shares at $326.26 ($326K), marked as a 10b5-1 plan trade. Holdings down 2% to 61,196 shares. | SEC filing Filed Feb 9, 2026 |
| Jan 27, 2026 | Planned (10b5-1) | Lawrence Liren Chen (CEO and Director) sold 5,958 shares at about $327.62 ($2.0M), marked as a 10b5-1 plan trade. Holdings down 4% to 153,077 shares. | SEC filing Filed Jan 28, 2026 |
| Jan 20–21, 2026 | Planned (10b5-1) | Lawrence Liren Chen (CEO and Director) sold 5,950 shares between Jan 20 and Jan 21 at about $315.24 ($1.9M), marked as a 10b5-1 plan trade. Holdings down 4% to 159,035 shares. | SEC filing Filed Jan 21, 2026 |
| Jan 13–14, 2026 | Planned (10b5-1) | Lawrence Liren Chen (CEO and Director) sold 5,950 shares between Jan 13 and Jan 14 at about $311.77 ($1.9M), marked as a 10b5-1 plan trade. Holdings down 3% to 164,985 shares. | SEC filing Filed Jan 14, 2026 |
| Jan 6–7, 2026 | Planned (10b5-1) | Lawrence Liren Chen (CEO and Director) sold 5,950 shares between Jan 6 and Jan 7 at about $322.28 ($1.9M), marked as a 10b5-1 plan trade. Holdings down 3% to 170,935 shares. | SEC filing Filed Jan 7, 2026 |
| Jan 5–6, 2026 | Planned (10b5-1) | Richard Brezski (CFO) sold 11,983 shares between Jan 5 and Jan 6 at about $327.81 ($3.9M), marked as a 10b5-1 plan trade. Holdings down 13% to 78,372 shares. | SEC filing Filed Jan 7, 2026 |
| Jan 5, 2026 | Planned (10b5-1) | Rajesh Pankaj (Chief Technology Officer) sold 1,000 shares at $326.75 ($327K), marked as a 10b5-1 plan trade. Holdings down 2% to 62,157 shares. | SEC filing Filed Jan 7, 2026 |
| Dec 31, 2025 | Planned (10b5-1) | Joshua D. Schmidt (CLO & Corp Secretary) sold 466 shares at $325.34 ($152K), marked as a 10b5-1 plan trade. Holdings down 2% to 27,462 shares. | SEC filing Filed Dec 31, 2025 |
| Dec 30–31, 2025 | Planned (10b5-1) | Lawrence Liren Chen (CEO and Director) sold 5,950 shares between Dec 30, 2025 and Dec 31, 2025 at about $327.42 ($1.9M), marked as a 10b5-1 plan trade. Holdings down 3% to 176,885 shares. | SEC filing Filed Dec 31, 2025 |
| Dec 23, 2025 | Planned (10b5-1) | John A. Kritzmacher (Director) sold 1,250 shares at $331.00 ($414K), marked as a 10b5-1 plan trade. Holdings down 7% to 15,815 shares. | SEC filing Filed Dec 23, 2025 |
| Dec 9, 2025 | Planned (10b5-1) | John A. Kritzmacher (Director) sold 1,250 shares at $357.37 ($447K), marked as a 10b5-1 plan trade. Holdings down 7% to 17,065 shares. | SEC filing Filed Dec 10, 2025 |
| Dec 5, 2025 | Planned (10b5-1) | Rajesh Pankaj (Chief Technology Officer) sold 1,000 shares at $350.79 ($351K), marked as a 10b5-1 plan trade. Holdings down 2% to 63,157 shares. | SEC filing Filed Dec 8, 2025 |
| Nov 25, 2025 | Planned (10b5-1) | John A. Kritzmacher (Director) sold 1,250 shares at $346.62 ($433K), marked as a 10b5-1 plan trade. Holdings down 6% to 18,315 shares. | SEC filing Filed Nov 26, 2025 |
| Nov 11, 2025 | Planned (10b5-1) | John A. Kritzmacher (Director) sold 1,250 shares at $360.63 ($451K), marked as a 10b5-1 plan trade. Holdings down 6% to 19,565 shares. | SEC filing Filed Nov 12, 2025 |
| Nov 5, 2025 | Planned (10b5-1) | Rajesh Pankaj (Chief Technology Officer) sold 1,000 shares at $375.31 ($375K), marked as a 10b5-1 plan trade. Holdings down 2% to 64,157 shares. | SEC filing Filed Nov 6, 2025 |
| Oct 31, 2025 | Planned (10b5-1) | Joshua D. Schmidt (CLO & Corp Secretary) sold 466 shares at $395.63 ($184K), marked as a 10b5-1 plan trade. Holdings down 2% to 27,928 shares. | SEC filing Filed Nov 4, 2025 |
68 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
| Filed | Items | Tag | Source |
|---|---|---|---|
| Oct 29, 2026, 8:33 AM ET 8-K | Earnings released (Item 2.02) Reg FD disclosure (Item 7.01) | SEC filing |
Red flags are objective triggers only: the item or form filed, never an opinion.
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