IDCCNasdaq

InterDigital, Inc.

Alert me on IDCC

Insider buys, 6 months

Congress trades, 6 months

Signals, 6 months

Six months

After each filing

Oct 6 Sale Pankaj Rajesh Insider

1 week

−1.9%S&P −0.1%

1 month

Result in8 trading days

3 months

Result in50 trading days

6 months

Result in113 trading days

Sep 10 Sale Pankaj Rajesh Insider

1 week

−7.1%S&P +0.6%

1 month

−4.4%S&P +3.0%

3 months

Result in32 trading days

6 months

Result in95 trading days

Aug 10 Sale Gillman Joan H Insider

1 week

0.0%S&P 0.0%

1 month

−2.6%S&P −1.4%

3 months

Result in10 trading days

6 months

Result in73 trading days

Aug 7 Sale Pankaj Rajesh Insider

1 week

−0.3%S&P +0.4%

1 month

−1.1%S&P −0.9%

3 months

Result in9 trading days

6 months

Result in72 trading days

Jul 7 Sale Pankaj Rajesh Insider

1 week

−3.6%S&P +0.6%

1 month

+20.1%S&P +3.0%

3 months

+22.8%S&P +3.9%

6 months

Result in49 trading days

Show all 40

Jun 23 Sale Markley John D. Jr. Insider

1 week

+1.4%S&P +1.8%

1 month

−8.0%S&P +0.6%

3 months

+19.9%S&P +5.7%

6 months

Result in40 trading days

Jun 16 Sale ABERLE DEREK K Insider

1 week

−4.6%S&P −2.0%

1 month

−9.1%S&P −0.7%

3 months

+14.8%S&P +0.8%

6 months

Result in36 trading days

Jun 16 Sale KRITZMACHER JOHN A Insider

1 week

−4.6%S&P −2.0%

1 month

−9.1%S&P −0.7%

3 months

+14.8%S&P +0.8%

6 months

Result in36 trading days

Jun 16 Sale Armaly Samir Insider

1 week

−4.6%S&P −2.0%

1 month

−9.1%S&P −0.7%

3 months

+14.8%S&P +0.8%

6 months

Result in36 trading days

Jun 16 Sale RANKIN JEAN F Insider

1 week

−4.6%S&P −2.0%

1 month

−9.1%S&P −0.7%

3 months

+14.8%S&P +0.8%

6 months

Result in36 trading days

Jun 13 Sale Pankaj Rajesh Insider

1 week

−3.4%S&P −2.6%

1 month

−7.8%S&P −0.3%

3 months

+13.2%S&P +0.6%

6 months

Result in35 trading days

Jun 9 Sale Pankaj Rajesh Insider

1 week

+11.7%S&P +1.8%

1 month

+3.3%S&P +2.7%

3 months

+32.3%S&P +3.7%

6 months

Result in31 trading days

Jun 5 Sale Mattis Julia C Insider

1 week

+8.9%S&P +0.6%

1 month

+3.0%S&P +1.3%

3 months

+30.0%S&P +4.7%

6 months

Result in29 trading days

May 7 Sale Pankaj Rajesh Insider

1 week

−3.4%S&P +2.3%

1 month

−8.3%S&P +1.0%

3 months

+23.9%S&P +6.0%

6 months

Result in9 trading days

Apr 7 Sale Pankaj Rajesh Insider

1 week

+11.9%S&P +5.3%

1 month

−11.7%S&P +11.3%

3 months

−14.7%S&P +13.4%

6 months

+8.1%S&P +18.8%

Mar 18 Sale Schmidt Joshua D. Insider

1 week

−11.6%S&P −0.4%

1 month

+6.2%S&P +7.7%

3 months

−18.6%S&P +12.3%

6 months

−8.1%S&P +15.9%

Mar 6 Sale Pankaj Rajesh Insider

1 week

+0.6%S&P −1.5%

1 month

−11.7%S&P −1.7%

3 months

−26.9%S&P +10.0%

6 months

−4.9%S&P +15.2%

Mar 3 Sale Schmidt Joshua D. Insider

1 week

−1.4%S&P −0.5%

1 month

−17.4%S&P −3.4%

3 months

−30.0%S&P +12.0%

6 months

−13.3%S&P +12.6%

Feb 12 Sale BREZSKI RICHARD Insider

1 week

+0.5%S&P +1.2%

1 month

+0.4%S&P −1.8%

3 months

−24.4%S&P +10.1%

6 months

−3.2%S&P +14.6%

Feb 12 Sale Gillman Joan H Insider

1 week

+0.5%S&P +1.2%

1 month

+0.4%S&P −1.8%

3 months

−24.4%S&P +10.1%

6 months

−3.2%S&P +14.6%

Feb 12 Sale Markley John D. Jr. Insider

1 week

+0.5%S&P +1.2%

1 month

+0.4%S&P −1.8%

3 months

−24.4%S&P +10.1%

6 months

−3.2%S&P +14.6%

Feb 10 Sale Pankaj Rajesh Insider

1 week

+3.0%S&P −0.8%

1 month

+3.2%S&P −3.8%

3 months

−23.0%S&P +7.0%

6 months

+0.5%S&P +12.2%

Jan 29 Sale Chen Lawrence Liren Insider

1 week

+4.3%S&P −2.4%

1 month

+14.5%S&P −1.1%

3 months

−10.2%S&P +3.8%

6 months

−7.5%S&P +8.2%

Jan 22 Sale Chen Lawrence Liren Insider

1 week

+0.2%S&P +0.7%

1 month

+6.5%S&P −1.0%

3 months

+9.1%S&P +3.1%

6 months

−21.4%S&P +7.8%

Jan 15 Sale Chen Lawrence Liren Insider

1 week

+6.5%S&P −0.4%

1 month

+18.0%S&P −1.4%

3 months

+20.4%S&P +2.9%

6 months

−16.4%S&P +7.8%

Jan 8 Sale Pankaj Rajesh Insider

1 week

+1.4%S&P +0.4%

1 month

+23.1%S&P +0.6%

3 months

+15.4%S&P −1.2%

6 months

−14.1%S&P +9.2%

Jan 8 Sale BREZSKI RICHARD Insider

1 week

+1.4%S&P +0.4%

1 month

+23.1%S&P +0.6%

3 months

+15.4%S&P −1.2%

6 months

−14.1%S&P +9.2%

Jan 8 Sale Chen Lawrence Liren Insider

1 week

+1.4%S&P +0.4%

1 month

+23.1%S&P +0.6%

3 months

+15.4%S&P −1.2%

6 months

−14.1%S&P +9.2%

Jan 1 Sale Schmidt Joshua D. Insider

1 week

−5.3%S&P +1.6%

1 month

−0.5%S&P +0.9%

3 months

−3.4%S&P −3.3%

6 months

−15.0%S&P +10.0%

Jan 1 Sale Chen Lawrence Liren Insider

1 week

−5.3%S&P +1.6%

1 month

−0.5%S&P +0.9%

3 months

−3.4%S&P −3.3%

6 months

−15.0%S&P +10.0%

Dec 24, 2025 Sale KRITZMACHER JOHN A Insider

1 week

−0.6%S&P −1.0%

1 month

+1.8%S&P +0.7%

3 months

−8.0%S&P −7.9%

6 months

−15.3%S&P +7.9%

Dec 10, 2025 Sale KRITZMACHER JOHN A Insider

1 week

−9.7%S&P −2.4%

1 month

−13.3%S&P +1.4%

3 months

0.0%S&P −3.4%

6 months

−20.8%S&P +8.5%

Dec 9, 2025 Sale Pankaj Rajesh Insider

1 week

−4.1%S&P −0.6%

1 month

−14.9%S&P +1.9%

3 months

0.0%S&P −2.2%

6 months

−23.5%S&P +8.6%

Nov 27, 2025 Sale KRITZMACHER JOHN A Insider

1 week

−0.7%S&P +0.3%

1 month

−9.1%S&P +0.8%

3 months

+3.9%S&P −0.2%

6 months

−27.3%S&P +11.8%

Nov 12, 2025 Sale KRITZMACHER JOHN A Insider

1 week

−5.2%S&P −3.0%

1 month

−0.1%S&P −0.2%

3 months

+6.0%S&P +0.1%

6 months

−26.3%S&P +8.8%

Nov 6, 2025 Sale Pankaj Rajesh Insider

1 week

−9.2%S&P +0.3%

1 month

−5.8%S&P +2.0%

3 months

−0.9%S&P +3.8%

6 months

−28.9%S&P +10.9%

Nov 4, 2025 Sale Schmidt Joshua D. Insider

1 week

−2.6%S&P +1.1%

1 month

−8.1%S&P +1.4%

3 months

−9.4%S&P +0.6%

6 months

−26.6%S&P +9.0%

Oct 8, 2025 Sale Pankaj Rajesh Insider

1 week

+4.1%S&P −1.2%

1 month

+8.7%S&P −0.4%

3 months

−12.5%S&P +2.7%

6 months

+1.0%S&P +1.5%

Sep 8, 2025 Sale Pankaj Rajesh Insider

1 week

+9.8%S&P +1.9%

1 month

+13.7%S&P +3.4%

3 months

+18.7%S&P +6.0%

6 months

+22.5%S&P +5.0%

Sep 2, 2025 Sale Schmidt Joshua D. Insider

1 week

+10.2%S&P +1.6%

1 month

+25.6%S&P +4.7%

3 months

+27.0%S&P +6.5%

6 months

+35.1%S&P +7.6%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for IDCC

158 held · newest 5158 held · newest 2

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See all 158 filings for IDCC

Aeon news and offers by email

New sources, new features and offers like our founding price. A few times a month at most. Stop any time.

Signal history

No signal for this ticker yet. A signal is written when insider buying here scores one dot or more.

Stakes

Jun 30, 2026 Schedule 13G, amended

T. Rowe Price Associates, Inc.: 10.1%, 2,614,905 shares

Mar 31, 2026 Schedule 13G

Vanguard Capital Management: 5.2%, 1,343,136 shares

Mar 31, 2026 Schedule 13G

Vanguard Portfolio Management: 6.3%, 1,613,294 shares

Mar 31, 2026 Schedule 13G, amended

BlackRock, Inc.: 13.1%, 3,361,093 shares

Mar 13, 2026 Schedule 13G, amended

The Vanguard Group: 0%, 0 shares

Dec 31, 2025 Schedule 13G, amended

T. Rowe Price Associates, Inc.: 8.6%, 2,222,203 shares

Sep 30, 2025 Schedule 13G

T. Rowe Price Associates, Inc.: 5.3%, 1,367,271 shares

Schedule 13D is filed within 5 business days of crossing 5 percent by an investor who may seek to influence the company. Schedule 13G is filed by a passive holder, and a large institution has up to 45 days after the quarter end.

Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal

No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters

$546KQ4 2025

$552KQ1 2026

$552KQ2 2026

$552KQ3 2026

Unchanged from Q2 2026. Reported by the company to the Senate each quarter.Original report ↗

Read from LDA.gov between Sep 23, 2026 and Oct 22, 2026. Senate Office of Public Records cannot vouch for the data or analyses derived from these data after the data have been retrieved from LDA.gov.