INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

HighTower Advisors, LLC's Holding History (CIK: 0001462245)

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

Q4 2025

Shares 3,518 Value ($000) $1,120 Avg Close $353.55 Range $314.37 - $412.60

Q3 2025

Shares 3,880 Value ($000) $1,340 Avg Close $271.66 Range $213.06 - $360.30

Q2 2025

Shares 5,187 Value ($000) $1,163 Avg Close $211.87 Range $180.60 - $237.50

Q1 2025

Shares 11,957 Value ($000) $2,472 Avg Close $201.31 Range $169.58 - $231.97

Q4 2024

Shares 6,309 Value ($000) $1,222 Avg Close $174.85 Range $140.47 - $203.90

Q3 2024

Shares 6,189 Value ($000) $880 Avg Close $131.08 Range $115.10 - $143.96

Q2 2024

Shares 6,143 Value ($000) $723 Avg Close $106.87 Range $95.33 - $119.10

Q1 2024

Shares 5,348 Value ($000) $572 Avg Close $105.70 Range $100.55 - $119.86

Q4 2023

Shares 2,751 Value ($000) $296 Avg Close $92.54 Range $74.65 - $111.79

Q2 2023

Shares 16,502 Value ($000) $1,590 Avg Close $80.98 Range $66.82 - $97.62

Q3 2016

Shares 5,054 Value ($000) $401 Avg Close $66.77 Range $52.33 - $79.92

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,518	$1,120	$353.55	$314.37 - $412.60
Q3 2025	3,880	$1,340	$271.66	$213.06 - $360.30
Q2 2025	5,187	$1,163	$211.87	$180.60 - $237.50
Q1 2025	11,957	$2,472	$201.31	$169.58 - $231.97
Q4 2024	6,309	$1,222	$174.85	$140.47 - $203.90
Q3 2024	6,189	$880	$131.08	$115.10 - $143.96
Q2 2024	6,143	$723	$106.87	$95.33 - $119.10
Q1 2024	5,348	$572	$105.70	$100.55 - $119.86
Q4 2023	2,751	$296	$92.54	$74.65 - $111.79
Q2 2023	16,502	$1,590	$80.98	$66.82 - $97.62
Q3 2016	5,054	$401	$66.77	$52.33 - $79.92