INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

CASTLEKEEP INVESTMENT ADVISORS LLC's Holding History (CIK: 0001404780)

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

Q3 2024

Shares 8,143 Value ($000) $1,153 Avg Close $131.08 Range $115.10 - $143.96

Q2 2024

Shares 8,054 Value ($000) $939 Avg Close $106.87 Range $95.33 - $119.10

Q1 2024

Shares 6,824 Value ($000) $726 Avg Close $105.70 Range $100.55 - $119.86

Q4 2023

Shares 9,174 Value ($000) $996 Avg Close $92.54 Range $74.65 - $111.79

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2024	8,143	$1,153	$131.08	$115.10 - $143.96
Q2 2024	8,054	$939	$106.87	$95.33 - $119.10
Q1 2024	6,824	$726	$105.70	$100.55 - $119.86
Q4 2023	9,174	$996	$92.54	$74.65 - $111.79