INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

Pinnacle Wealth Planning Services, Inc.'s Holding History (CIK: 0001726752)

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

Q4 2025

Shares 1,446 Value ($000) $460 Avg Close $353.55 Range $314.37 - $412.60

Q3 2025

Shares 1,473 Value ($000) $509 Avg Close $271.66 Range $213.06 - $360.30

Q2 2025

Shares 1,455 Value ($000) $326 Avg Close $211.87 Range $180.60 - $237.50

Q4 2020

Shares 855 Value ($000) $52 Avg Close $59.88 Range $54.37 - $63.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,446	$460	$353.55	$314.37 - $412.60
Q3 2025	1,473	$509	$271.66	$213.06 - $360.30
Q2 2025	1,455	$326	$211.87	$180.60 - $237.50
Q4 2020	855	$52	$59.88	$54.37 - $63.74