Company:  GULFMARK OFFSHORE INC (GLF)
Form Type:  SC 13G/A
Filing Date:  4/11/2012 
CIK:  0001030749 
Address:  10111 RICHMOND AVE
STE 340 
City, State, Zip:  HOUSTON, Texas 77042 
Telephone:  (713) 963-9522 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$46.53   		Change: 
0.87 (1.91%)  
Trade Time: 
Jun 17   		Market Cap: 
$1.24B
Description of Business
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  FORM SC 13G/A
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