INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

CSS LLC/IL's Holding History (CIK: 0001103646)

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

Q1 2024

Shares 4,000 Value ($000) $426 Avg Close $105.70 Range $100.55 - $119.86

Q4 2023

Shares 5,500 Value ($000) $597 Avg Close $92.54 Range $74.65 - $111.79

Q1 2014

Shares 8,699 Value ($000) $288 Avg Close $29.77 Range $26.25 - $33.60

Q4 2013

Shares 7,556 Value ($000) $223 Avg Close $33.88 Range $28.53 - $39.87

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2024	4,000	$426	$105.70	$100.55 - $119.86
Q4 2023	5,500	$597	$92.54	$74.65 - $111.79
Q1 2014	8,699	$288	$29.77	$26.25 - $33.60
Q4 2013	7,556	$223	$33.88	$28.53 - $39.87