INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

Vontobel Holding Ltd.'s Holding History (CIK: 0001588340)

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

Q4 2025

Shares 4,830 Value ($000) $1,538 Avg Close $353.55 Range $314.37 - $412.60

Q3 2025

Shares 12,043 Value ($000) $4,158 Avg Close $271.66 Range $213.06 - $360.30

Q2 2025

Shares 4,930 Value ($000) $1,105 Avg Close $211.87 Range $180.60 - $237.50

Q1 2025

Shares 5,420 Value ($000) $1,121 Avg Close $201.31 Range $169.58 - $231.97

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,830	$1,538	$353.55	$314.37 - $412.60
Q3 2025	12,043	$4,158	$271.66	$213.06 - $360.30
Q2 2025	4,930	$1,105	$211.87	$180.60 - $237.50
Q1 2025	5,420	$1,121	$201.31	$169.58 - $231.97