Company:  GULFMARK OFFSHORE INC (GLF)
Form Type:  4
Filing Date:  6/19/2012 
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: 
$45.40  
Change: 
-1.42 (-3.03%)  
Trade Time: 
04:02 PM EST  
Market Cap: 
$1.21B
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES