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Insider Profile · SEC Form 4 Activity · Trailing 90 Days

Mattis Julia C

Over the trailing 90 days, Mattis Julia C (Other Officer at InterDigital, Inc.) sold $412K of stock in IDCC, per 2 SEC Form 4 transactions.

Role
Other Officer
Companies
IDCC
Window
Trailing 90 days · 2 transactions · CIK 2086712
Net activity
−$412K ($0 bought · $412K sold)

By Company (Trailing 90 Days)

SymbolCompanyTxnsBoughtSoldNet
IDCCInterDigital, Inc.2$412K−$412K

Transactions (2)

DateSymbolTypeSharesValueDescription
2026-07-22IDCCBuy24$0Grant, award or other acquisition
2026-06-03IDCCSell1.6K$412KOpen market or private sale

Activity shown covers the trailing 90 days of SEC Form 4 filings. "Buy" and "sell" follow the SEC acquired/disposed codes and include compensation events (grants, option exercises, tax withholding) unless noted. Historical fact, not investment advice.

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