INTERDIGITAL INC

CUSIP: 458660AB3 Class: CNV

CSS LLC/IL's Holding History (CIK: 0001103646)

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

Q3 2015
Shares 2,033,000 Value ($000) $2,117 Avg Close — Range —
Q2 2015
Shares 8,533,000 Value ($000) $9,486 Avg Close — Range —
Q1 2015
Shares 10,033,000 Value ($000) $10,858 Avg Close — Range —
Q4 2014
Shares 33,000 Value ($000) $37 Avg Close — Range —
Q3 2014
Shares 354,000 Value ($000) $365 Avg Close — Range —
Q2 2014
Shares 3,000,000 Value ($000) $3,306 Avg Close — Range —