SONIC CORP

CUSIP: 835451105 Class: COM

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q4 2015
Shares 45,639 Value ($000) $1,475 Avg Close — Range —
Q2 2015
Shares 21,675 Value ($000) $624 Avg Close — Range —
Q1 2015
Shares 116,776 Value ($000) $3,702 Avg Close — Range —
Q4 2014
Shares 130,163 Value ($000) $3,544 Avg Close — Range —
Q3 2014
Shares 122,241 Value ($000) $2,733 Avg Close — Range —
Q2 2014
Shares 168,056 Value ($000) $3,711 Avg Close — Range —