INTERDIGITAL INC

CUSIP: 458660AD9 Class: NOTE 1.500% 3/0

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

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

Q4 2019
Shares 70,000 Value ($000) $70 Avg Close — Range —
Q3 2019
Shares 397,000 Value ($000) $397 Avg Close — Range —
Q2 2019
Shares 397,000 Value ($000) $413 Avg Close — Range —
Q1 2019
Shares 327,000 Value ($000) $343 Avg Close — Range —
Q4 2018
Shares 523,000 Value ($000) $551 Avg Close — Range —
Q3 2018
Shares 523,000 Value ($000) $615 Avg Close — Range —
Q2 2018
Shares 523,000 Value ($000) $643 Avg Close — Range —
Q1 2018
Shares 418,000 Value ($000) $486 Avg Close — Range —
Q4 2017
Shares 418,000 Value ($000) $500 Avg Close — Range —
Q3 2017
Shares 418,000 Value ($000) $491 Avg Close — Range —
Q2 2017
Shares 618,000 Value ($000) $751 Avg Close — Range —