INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

CenterBook Partners LP's Holding History (CIK: 0001872738)

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

Q2 2025

Shares 1,353 Value ($000) $303 Avg Close $211.87 Range $180.60 - $237.50

Q3 2024

Shares 10,213 Value ($000) $1,446 Avg Close $131.08 Range $115.10 - $143.96

Q1 2024

Shares 13,052 Value ($000) $1,390 Avg Close $105.70 Range $100.55 - $119.86

Q4 2023

Shares 6,887 Value ($000) $748 Avg Close $92.54 Range $74.65 - $111.79

Q3 2023

Shares 8,913 Value ($000) $715 Avg Close $86.92 Range $79.20 - $98.69

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	1,353	$303	$211.87	$180.60 - $237.50
Q3 2024	10,213	$1,446	$131.08	$115.10 - $143.96
Q1 2024	13,052	$1,390	$105.70	$100.55 - $119.86
Q4 2023	6,887	$748	$92.54	$74.65 - $111.79
Q3 2023	8,913	$715	$86.92	$79.20 - $98.69