INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

Cornerstone Advisory, LLC's Holding History (CIK: 0001668189)

Note: Option positions (PUT/CALL) are excluded.

Q4 2021
Shares 400 Value ($000) $29 Avg Close $69.71 Range $65.79 - $74.27