COWEN INC

CUSIP: 223622606 Class: Common Stock

OAK ASSOCIATES LTD /OH/'s Holding History (CIK: 0000836372)

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

Q4 2017
Shares 22,974 Value ($000) $314 Avg Close — Range —
Q3 2017
Shares 22,974 Value ($000) $409 Avg Close — Range —
Q2 2017
Shares 22,974 Value ($000) $373 Avg Close — Range —
Q1 2017
Shares 22,974 Value ($000) $343 Avg Close — Range —
Q4 2016
Shares 22,974 Value ($000) $356 Avg Close — Range —