Insider · CIK 0002086712
Julia C Mattis
Files at IDCC (InterDigital, Inc.). First filing Jun 4, 2026, latest Jun 4, 2026.
In brief
Julia C Mattis files SEC Form 4 as officer at IDCC (InterDigital, Inc.). Since Jun 4, 2026, Julia C Mattis has reported 0 open-market buys worth $0 and 1 open-market sell worth $412k, the latest filed on Jun 4, 2026.
A track record needs three past buys with six months of prices behind them; Julia C Mattis has 0, so none is measured yet.
The newest scored trade: sold $412k of IDCC on Jun 3, 2026, filed Jun 4, 2026, scored 31 (weak), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 1 sell worth $412k.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
IDCC: InterDigital, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 31Weak | InterDigital, Inc. | $412k 1,600 shares | -12% | +19% from low-35% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Jun 3, 2026 | IDCC INTERDIGITAL, INC. | 1,600 0.01% of outstanding | $412k | Jun 3, 2026 | none |
Transactions
Every row this insider has filed, 14 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 15, 2026 | IDCC InterDigital, Inc. | FTax withholding Common Stock | -325 | $340.38 | $111k | 11,237 | 27 d ago |
| Sep 15, 2026 | IDCC InterDigital, Inc. | DDisposition to issuer Common Stock | -1 | $340.38 | $280 | 11,236 | 27 d ago |
| Jul 22, 2026 | IDCC InterDigital, Inc. | AGrant or award Common Stock | +24 | $0.00 | $0 | 11,562 | Jul 24, 2026 |
| Jun 3, 2026 | IDCC InterDigital, Inc. | SOpen-market sale Common Stock10b5-1 | -1,600 | $257.65 | $412k | 11,538 | Jun 4, 2026 |
| Apr 22, 2026 | IDCC InterDigital, Inc. | AGrant or award Common Stock | +16 | $0.00 | $0 | 13,138 | Apr 24, 2026 |
| Mar 31, 2026 | IDCC InterDigital, Inc. | AGrant or award Common Stock | +4,140 | $0.00 | $0 | 13,122 | Apr 2, 2026 |
| Mar 15, 2026 | IDCC InterDigital, Inc. | AGrant or award Common Stock | +2,470 | $0.00 | $0 | 11,027 | Mar 17, 2026 |
| Mar 15, 2026 | IDCC InterDigital, Inc. | FTax withholding Common Stock | -1,050 | $362.35 | $380k | 9,977 | Mar 17, 2026 |
| Mar 15, 2026 | IDCC InterDigital, Inc. | DDisposition to issuer Common Stock | -0 | $362.35 | $97 | 9,977 | Mar 17, 2026 |
| Mar 15, 2026 | IDCC InterDigital, Inc. | FTax withholding Common Stock | -993 | $362.35 | $360k | 8,984 | Mar 17, 2026 |
| Mar 15, 2026 | IDCC InterDigital, Inc. | DDisposition to issuer Common Stock | -2 | $362.35 | $599 | 8,982 | Mar 17, 2026 |
| Jan 28, 2026 | IDCC InterDigital, Inc. | AGrant or award Common Stock | +16 | $0.00 | $0 | 8,557 | Jan 30, 2026 |
| Dec 15, 2025 | IDCC InterDigital, Inc. | AGrant or award Common Stock | +1,068 | $0.00 | $0 | 8,541 | Jan 7, 2026 |
| Oct 22, 2025 | IDCC InterDigital, Inc. | AGrant or award Common Stock | +12 | $0.00 | $0 | 7,473 | Oct 24, 2025 |
Questions about Julia C Mattis
Answered from the filings on this page, as of the latest one.
Is Julia C Mattis buying or selling?
In the last 12 months Julia C Mattis reported 0 open-market buys worth $0 and 1 open-market sell worth $412k on SEC Form 4; the latest was sold $412k of IDCC on Jun 3, 2026. Grants, option exercises and tax withholding are not counted.
How did Julia C Mattis's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Julia C Mattis has 0.
Where does Julia C Mattis file Form 4?
Julia C Mattis has filed Form 4 at IDCC (InterDigital, Inc.) as Chief Licensing Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.