GULFMARK OFFSHORE INC

CUSIP: 402629208 Class: COMMON STOCK

AMERICAN CENTURY COMPANIES INC's Holding History (CIK: 0000748054)

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

Q3 2014
Shares 245,693 Value ($000) $7,702 Avg Close — Range —
Q2 2014
Shares 269,293 Value ($000) $12,167 Avg Close — Range —
Q1 2014
Shares 273,980 Value ($000) $12,313 Avg Close — Range —
Q4 2013
Shares 261,357 Value ($000) $12,318 Avg Close — Range —
Q3 2013
Shares 126,144 Value ($000) $6,419 Avg Close — Range —
Q2 2013
Shares 124,805 Value ($000) $5,627 Avg Close — Range —