INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

Monument Capital Management's Holding History (CIK: 0001729428)

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

Q4 2025

Shares 1,173 Value ($000) $373 Avg Close $353.55 Range $314.37 - $412.60

Q3 2025

Shares 1,165 Value ($000) $402 Avg Close $271.66 Range $213.06 - $360.30

Q2 2025

Shares 1,340 Value ($000) $300 Avg Close $211.87 Range $180.60 - $237.50

Q1 2025

Shares 1,230 Value ($000) $254 Avg Close $201.31 Range $169.58 - $231.97

Q4 2024

Shares 1,195 Value ($000) $231 Avg Close $174.85 Range $140.47 - $203.90

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,173	$373	$353.55	$314.37 - $412.60
Q3 2025	1,165	$402	$271.66	$213.06 - $360.30
Q2 2025	1,340	$300	$211.87	$180.60 - $237.50
Q1 2025	1,230	$254	$201.31	$169.58 - $231.97
Q4 2024	1,195	$231	$174.85	$140.47 - $203.90