INTERDIGITAL INC

Ticker: IDCC CUSIP: 45867G101 Class: EQTY

Coastal Investment Advisors, Inc.'s Holding History (CIK: 0001776792)

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

Q4 2019

Shares 8,900 Value ($000) $504 Avg Close $55.25 Range $49.84 - $60.33

Q3 2019

Shares 9,075 Value ($000) $473 Avg Close $56.51 Range $47.02 - $66.95

Q2 2019

Shares 125 Value ($000) $8 Avg Close $66.69 Range $62.43 - $72.66

Q1 2019

Shares 225 Value ($000) $16 Avg Close $69.51 Range $64.12 - $74.03

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	8,900	$504	$55.25	$49.84 - $60.33
Q3 2019	9,075	$473	$56.51	$47.02 - $66.95
Q2 2019	125	$8	$66.69	$62.43 - $72.66
Q1 2019	225	$16	$69.51	$64.12 - $74.03