INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

Front Row Advisors LLC's Holding History (CIK: 0001729254)

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

Q1 2018
Shares 13 Value ($000) $1 Avg Close $76.57 Range $69.33 - $81.70
Q4 2017
Shares 16 Value ($000) $1 Avg Close $74.74 Range $70.60 - $78.10