INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

CULLEN/FROST BANKERS, INC.'s Holding History (CIK: 0000039263)

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

Q4 2025

Shares 110 Value ($000) $35 Avg Close $353.55 Range $314.37 - $412.60

Q3 2025

Shares 93 Value ($000) $32 Avg Close $271.66 Range $213.06 - $360.30

Q2 2025

Shares 97 Value ($000) $22 Avg Close $211.87 Range $180.60 - $237.50

Q1 2025

Shares 38 Value ($000) $8 Avg Close $201.31 Range $169.58 - $231.97

Q2 2024

Shares 7 Value ($000) $1 Avg Close $106.87 Range $95.33 - $119.10

Q3 2023

Shares 1 Value ($000) $0 Avg Close $86.92 Range $79.20 - $98.69

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	110	$35	$353.55	$314.37 - $412.60
Q3 2025	93	$32	$271.66	$213.06 - $360.30
Q2 2025	97	$22	$211.87	$180.60 - $237.50
Q1 2025	38	$8	$201.31	$169.58 - $231.97
Q2 2024	7	$1	$106.87	$95.33 - $119.10
Q3 2023	1	$0	$86.92	$79.20 - $98.69