INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

Twin Tree Management, LP's Holding History (CIK: 0001535588)

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

Q4 2025

Shares 2,905 Value ($000) $925 Avg Close $353.55 Range $314.37 - $412.60

Q3 2025

Shares 2,582 Value ($000) $891 Avg Close $271.66 Range $213.06 - $360.30

Q2 2025

Shares 1,447 Value ($000) $324 Avg Close $211.87 Range $180.60 - $237.50

Q1 2025

Shares 4,403 Value ($000) $910 Avg Close $201.31 Range $169.58 - $231.97

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,905	$925	$353.55	$314.37 - $412.60
Q3 2025	2,582	$891	$271.66	$213.06 - $360.30
Q2 2025	1,447	$324	$211.87	$180.60 - $237.50
Q1 2025	4,403	$910	$201.31	$169.58 - $231.97