X0304 4/A 2010-12-13 2010-12-14 0 0001030749 GULFMARK OFFSHORE INC GLF 0001206112 LEECH JOHN E 10111 RICHMOND AVE STE 340 HOUSTON TX 77042 0 1 0 0 Exec VP-Oper Common Stock 2010-12-13 2010-12-13 4 S 0 8115 30.69 D 256985 D Common Stock 920 I by Child This Form is being filed to amend the reporting person's Form 4 originally filed on December 14, 2010. The original Form 4 inadvertently reflected that the reporting person sold 8,515 shares. The actual shares sold were 8,115 shares, a difference of 400 shares. As of December 14, 2010, the reporting person directly owned 256,985 shares of common stock. The additional 400 shares inadvertently reflected on the reporting person's original Form 4 were also reflected on Forms 4 filed by the reporting person after his original Form 4 was filed. John Leech 2012-03-16