INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

OPPENHEIMER & CO INC's Holding History (CIK: 0000822581)

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

Q3 2025

Shares 603 Value ($000) $208 Avg Close $271.66 Range $213.06 - $360.30

Q4 2024

Shares 2,300 Value ($000) $446 Avg Close $174.85 Range $140.47 - $203.90

Q1 2021

Shares 3,782 Value ($000) $240 Avg Close $65.36 Range $59.93 - $69.02

Q4 2020

Shares 5,992 Value ($000) $363 Avg Close $59.88 Range $54.37 - $63.74

Q3 2020

Shares 5,926 Value ($000) $338 Avg Close $60.07 Range $54.62 - $67.06

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	603	$208	$271.66	$213.06 - $360.30
Q4 2024	2,300	$446	$174.85	$140.47 - $203.90
Q1 2021	3,782	$240	$65.36	$59.93 - $69.02
Q4 2020	5,992	$363	$59.88	$54.37 - $63.74
Q3 2020	5,926	$338	$60.07	$54.62 - $67.06