Insider Trading activities of Gulfmark Offshore Inc insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Gulfmark Offshore Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Gulfmark Offshore Inc since year 2005. Table 2 shows the detailed insider transactions of Gulfmark Offshore Inc since 2005. The reporting company's ticker symbol is GLF. The reporting company's CIK number is 1030749.
The total value of stock buying since 2005 is $4,869,164.
The total value of stock sales since 2005 is $62,337,338.
The total value of stock option exercises since 2005 is $11,858,153.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Gulfmark Offshore Inc (GLF).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2015-12 20,000 $96,780 9,614 $48,137 0 $0
2015-11 40,000 $197,440 0 $0 0 $0
2015-04 6,950 $95,797 0 $0 0 $0
2015-03 20,000 $268,520 0 $0 0 $0
2015-02 3,000 $48,570 0 $0 0 $0
2014-12 0 $0 20,000 $525,800 0 $0
2014-07 9,000 $347,552 0 $0 0 $0
2014-04 20 $909 0 $0 0 $0
2014-03 1,400 $68,829 3,152 $140,232 0 $0
2014-02 1,400 $62,608 0 $0 0 $0
2013-12 63,939 $2,889,060 0 $0 0 $0
2013-11 9,151 $445,301 0 $0 0 $0
2013-10 0 $0 34,151 $1,793,520 0 $0
2013-09 0 $0 157,401 $7,976,725 0 $0
2013-08 0 $0 43,596 $2,168,070 0 $0
2013-07 0 $0 157,522 $7,493,273 0 $0
2013-06 0 $0 74,566 $3,420,796 0 $0
2013-05 0 $0 19,000 $849,744 20,000 $282,200
2012-11 0 $0 11,095 $344,583 0 $0
2012-05 0 $0 14,600 $597,767 80,000 $1,700,000
2012-03 0 $0 60,288 $3,016,608 0 $0
2012-02 0 $0 14,605 $774,649 40,000 $697,600
2011-12 0 $0 10,033 $459,193 0 $0
2011-10 0 $0 73,245 $3,245,325 70,000 $1,220,800
2011-07 0 $0 49,502 $2,366,058 0 $0
2011-06 0 $0 153,524 $6,544,090 4,961 $0
2011-03 0 $0 48,202 $2,114,880 0 $0
2011-02 0 $0 46,294 $1,995,177 66,000 $1,073,820
2011-01 0 $0 0 $0 20,000 $325,400
2010-12 0 $0 23,342 $711,782 0 $0
2010-11 0 $0 50,000 $1,501,000 40,000 $650,800
2010-06 800 $20,600 13,100 $344,896 2,885 $20,772
2010-03 0 $0 652 $18,575 90,000 $644,040
2009-11 0 $0 13,700 $389,000 0 $0
2009-10 0 $0 3,000 $83,790 0 $0
2009-07 0 $0 13,000 $380,440 0 $0
2009-06 0 $0 40,682 $1,280,555 0 $0
2009-05 600 $17,454 0 $0 0 $0
2009-04 0 $0 0 $0 20,000 $170,000
2009-03 0 $0 10,000 $164,300 20,000 $170,000
2009-02 0 $0 0 $0 48,000 $354,184
2009-01 0 $0 21,032 $530,427 66,000 $434,148
2008-12 11,000 $228,880 0 $0 0 $0
2008-09 0 $0 50,000 $2,198,377 217 $8,276
2008-06 0 $0 41,314 $2,713,741 57 $2,704
2008-05 0 $0 31,310 $1,887,391 84,000 $1,370,208
2008-03 0 $0 5,796 $305,759 1,902 $75,012
2008-01 0 $0 3,555 $144,403 0 $0
2007-12 0 $0 0 $0 10,000 $162,700
2007-07 100 $5,515 0 $0 0 $0
2007-06 0 $0 734 $37,712 461 $18,232
2007-05 0 $0 2,847 $142,690 0 $0
2007-04 0 $0 29,216 $1,362,179 84,000 $577,500
2007-03 52 $2,072 16,179 $705,271 11,817 $141,726
2006-11 0 $0 1,524 $55,519 0 $0
2006-07 2,352 $63,245 0 $0 19,656 $77,995
2006-06 400 $10,032 2,752 $70,548 857 $18,811
2006-03 0 $0 5,000 $135,900 100,655 $319,889
2006-01 0 $0 0 $0 49,138 $131,886
2005-12 0 $0 0 $0 150,000 $1,209,450
2005-11 0 $0 400 $13,336 0 $0
2005-08 0 $0 1,155 $34,120 0 $0
2005-06 0 $0 40,000 $998,000 0 $0
2005-05 0 $0 10,000 $253,000 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Gulfmark Offshore Inc insiders (GLF)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2015-12-30 Raging Capital Management, Llc Buy 20,000 4.84 96,780
2015-12-10 Gordon Sheldon S (Director) Sale 9,614 5.01 48,137
2015-11-13 Kneen Quintin (President & CEO) Buy 40,000 4.94 197,440
2015-04-28 Kohlhagen Steven W (Director) Buy 3,450 13.95 48,127
2015-04-23 Kohlhagen Steven W (Director) Buy 3,500 13.62 47,670
2015-03-26 Gordon Sheldon S (Director) Buy 20,000 13.43 268,520
2015-02-23 Valutas Charles K (Director) Buy 3,000 16.19 48,570
2014-12-04 Gordon Sheldon S (Director) Sale 20,000 26.29 525,800
2014-07-29 Rosenwasser David B (SVP & COO) Buy 4,700 38.55 181,185
2014-07-28 Rosenwasser David B (SVP & COO) Buy 4,300 38.69 166,367
2014-04-04 Safier Richard Mark (SVP - General Counsel) Buy 20 45.46 909
2014-03-27 Darling David E (SVP - HR) Sale 3,152 44.49 140,232
2014-03-05 Kohlhagen Steven W (Director) Buy 1,400 49.16 68,829
2014-02-27 Kohlhagen Steven W (Director) Buy 1,400 44.72 62,608
2013-12-23 Kohlhagen Steven W (Director) Buy 2,200 45.91 101,001
2013-12-19 Millard Robert B (Other) Buy 25,000 44.19 1,104,750
2013-12-18 Millard Robert B (Other) Buy 17,361 45.17 784,231
2013-12-17 Millard Robert B (Other) Buy 9,378 45.79 429,418
2013-12-11 Millard Robert B (Other) Buy 10,000 46.97 469,660
2013-11-07 Millard Robert B (Other) Buy 8,869 48.66 431,565
2013-11-06 Millard Robert B (Other) Buy 82 48.71 3,994
2013-11-01 Millard Robert B (Other) Buy 200 48.71 9,742
2013-10-22 Millard Robert B (Other) Sale 9,151 53.72 491,545
2013-10-15 Streeter Bruce A (Other) Sale 25,000 52.08 1,301,975
2013-09-30 Butters David J (Director) Sale 2,596 50.10 130,059
2013-09-27 Butters David J (Director) Sale 14,534 51.00 741,234
2013-09-26 Butters David J (Director) Sale 471 51.25 24,140
2013-09-25 Gimbel Louis S Iii (Other) Sale 9,800 51.17 501,505
2013-09-25 Butters David J (Director) Sale 13,300 51.33 682,675
2013-09-24 Butters David J (Director) Sale 6,700 51.39 344,292
2013-09-18 Millard Robert B (Other) Sale 10,000 52.00 520,000
2013-09-17 Butters David J (Director) Sale 43,066 50.81 2,188,011
2013-09-16 Butters David J (Director) Sale 49,759 50.00 2,487,999
2013-09-11 Butters David J (Director) Sale 2,130 49.70 105,861
2013-09-10 Butters David J (Director) Sale 1,000 49.70 49,703
2013-09-09 Butters David J (Director) Sale 4,045 49.75 201,246
2013-08-02 Kneen Quintin (President & CEO) Sale 39,737 49.70 1,974,928
2013-08-01 Rubio Samuel R (SVP - Controller & CAO) Sale 3,859 50.05 193,142
2013-07-31 Darling David E (SVP - HR) Sale 3,522 49.23 173,391
2013-07-19 Gimbel Louis S Iii (Other) Sale 4,000 50.20 200,820
2013-07-11 Millard Robert B (Other) Sale 11,517 48.28 556,040
2013-07-10 Millard Robert B (Other) Sale 8,483 48.61 412,358
2013-07-09 Millard Robert B (Other) Sale 30,000 48.59 1,457,700
2013-07-08 Millard Robert B (Other) Sale 30,500 47.77 1,456,985
2013-07-05 Millard Robert B Sale 19,500 47.40 924,300
2013-07-02 Millard Robert B Sale 30,000 46.24 1,387,140
2013-07-01 Millard Robert B Sale 20,000 46.23 924,539
2013-06-20 Millard Robert B Sale 6,427 44.31 284,754
2013-06-19 Streeter Bruce A Sale 49,298 45.73 2,254,545
2013-06-18 Millard Robert B Sale 13,741 46.80 643,078
2013-06-17 Millard Robert B Sale 5,100 46.75 238,419
2013-05-10 Rosenwasser David B (EVP & COO) Sale 17,000 44.89 763,130
2013-05-03 Darling David E (SVP - Human Resources) Sale 2,000 43.31 86,614
2013-05-02 Bijur Peter I Option Ex 20,000 14.11 282,200
2012-11-13 Gimbel Louis S Iii Sale 10,095 30.99 312,823
2012-11-12 Darling David E (VP- Human Resources) Sale 1,000 31.76 31,760
2012-05-09 Millard Robert B Option Ex 20,000 21.25 425,000
2012-05-07 Gimbel Louis S Iii Sale 14,600 40.94 597,767
2012-05-07 Gimbel Louis S Iii Option Ex 20,000 21.25 425,000
2012-05-07 Gordon Sheldon S Option Ex 20,000 21.25 425,000
2012-05-04 Butters David J Option Ex 20,000 21.25 425,000
2012-03-30 Rubio Samuel R (VP - Controller & CAO) Sale 1,000 45.96 45,960
2012-03-28 Darling David E (VP- Human Resources) Sale 1,091 46.92 51,185
2012-03-28 Rubio Samuel R (VP - Controller & CAO) Sale 960 46.92 45,039
2012-03-28 Kneen Quintin (Exec VP & CFO) Sale 4,086 46.92 191,698
2012-03-14 Darling David E (VP- Human Resources) Sale 578 48.30 27,914
2012-03-14 Rubio Samuel R (VP- Controller & CAO) Sale 720 48.30 34,772
2012-03-14 Kneen Quintin (Exec VP & CFO) Sale 1,853 48.30 89,490
2012-03-06 Streeter Bruce A (President and CEO) Sale 50,000 50.61 2,530,550
2012-02-27 Leech John E (Exe VP - Oper) Sale 14,605 53.04 774,649
2012-02-27 Leech John E (Exe VP - Oper) Option Ex 40,000 17.44 697,600
2011-12-05 Leech John E (Exe VP - Oper) Sale 5,033 45.72 230,108
2011-12-05 Gordon Sheldon S Sale 5,000 45.82 229,085
2011-10-28 Darling David E (VP- Human Resources) Sale 2,785 44.00 122,534
2011-10-28 Streeter Bruce A (President and CEO) Option Ex 70,000 17.44 1,220,800
2011-10-28 Leech John E (Exe VP - Oper) Sale 15,395 44.11 679,073
2011-10-27 Streeter Bruce A (President and CEO) Sale 52,865 44.39 2,346,518
2011-10-27 Gordon Sheldon S Sale 2,200 44.18 97,200
2011-07-27 Millard Robert B Sale 48,505 47.85 2,321,012
2011-07-01 Darling David E (VP- Human Resources) Sale 997 45.18 45,046
2011-06-30 Darling David E (VP- Human Resources) Sale 2,200 44.06 96,934
2011-06-28 Millard Robert B Sale 150,000 42.63 6,394,350
2011-06-15 Rubio Samuel R (VP - Controller & CAO) Sale 266 40.28 10,714
2011-06-13 Oconnell Robert T Option Ex 4,961 .00 0
2011-06-09 Kneen Quintin (Exec VP & CFO) Sale 1,058 39.78 42,092
2011-03-24 Darling David E (VP- Human Resources) Sale 406 44.42 18,033
2011-03-24 Kneen Quintin (Exec VP & CFO) Sale 2,045 44.42 90,834
2011-03-24 Streeter Bruce A (President and CEO) Sale 30,000 43.22 1,296,600
2011-03-14 Darling David E (VP - Controller & CAO) Sale 545 44.74 24,380
2011-03-14 Rubio Samuel R (VP - Controller & CAO) Sale 847 44.74 37,890
2011-03-14 Kneen Quintin (VP - Controller & CAO) Sale 1,849 44.74 82,715
2011-03-14 Streeter Bruce A (VP - Controller & CAO) Sale 8,726 44.74 390,357
2011-03-07 Leech John E (Exe VP - Oper) Sale 3,784 46.00 174,071
2011-02-28 Leech John E (Exe VP - Oper) Sale 23,043 43.43 1,000,849
2011-02-25 Streeter Bruce A (President and CEO) Sale 18,188 42.76 777,809
2011-02-25 Streeter Bruce A (President and CEO) Option Ex 30,000 16.27 488,100
2011-02-25 Leech John E (Exe VP - Oper) Sale 5,063 42.76 216,519
2011-02-25 Leech John E (Exe VP - Oper) Option Ex 36,000 16.27 585,720
2011-01-07 Gordon Sheldon S Option Ex 20,000 16.27 325,400
2010-12-14 Oconnell Robert T Sale 2,000 30.65 61,300
2010-12-13 Leech John E (Exec VP-Oper) Sale 8,515 30.69 261,325
2010-12-07 Leech John E (Exec VP-Oper) Sale 4,829 30.42 146,898
2010-12-03 Leech John E (Exec VP-Oper) Sale 7,998 30.29 242,259
2010-11-17 Streeter Bruce A (President and CEO) Sale 50,000 30.02 1,501,000
2010-11-17 Streeter Bruce A (President and CEO) Option Ex 40,000 16.27 650,800
2010-06-30 Streeter Bruce A (President and CEO) Sale 10,000 26.44 264,400
2010-06-14 Oconnell Robert T Sale 2,200 26.14 57,508
2010-06-10 Ford Brian R. Buy 800 25.75 20,600
2010-06-10 Oconnell Robert T Sale 900 25.54 22,988
2010-06-08 Rigdon Larry T Option Ex 2,885 7.20 20,772
2010-03-13 Rubio Samuel R (VP - Controller & CAO) Sale 652 28.49 18,575
2010-03-01 Streeter Bruce A (President and CEO) Option Ex 60,000 7.16 429,360
2010-03-01 Leech John E (Exec VP - Operations) Option Ex 30,000 7.16 214,680
2009-11-25 Streeter Bruce A (President and CEO) Sale 10,000 27.80 278,000
2009-11-06 Millard Robert B Sale 3,700 30.00 111,000
2009-10-30 Oconnell Robert T Sale 3,000 27.93 83,790
2009-07-30 Oconnell Robert T Sale 4,000 31.21 124,840
2009-07-20 Gimbel Louis S Iii Sale 9,000 28.40 255,600
2009-06-15 Rubio Samuel R (VP - Controller & CAO) Sale 506 31.13 15,751
2009-06-06 Rubio Samuel R (VP - Controller & CAO) Sale 176 31.39 5,524
2009-06-04 Rigdon Larry T (Director) Sale 40,000 31.48 1,259,280
2009-05-20 Ford Brian R. (Director) Buy 600 29.09 17,454
2009-04-24 Millard Robert B (Director) Option Ex 20,000 8.50 170,000
2009-03-12 Crowe Marshall A (Director) Sale 10,000 16.43 164,300
2009-03-11 Butters David J (Director) Option Ex 20,000 8.50 170,000
2009-02-25 Gimbel Louis S Iii (Director) Option Ex 20,000 8.50 170,000
2009-02-25 Leech John E (Exec. VP - Operations) Option Ex 28,000 6.58 184,184
2009-01-26 Streeter Bruce A (President & CEO) Sale 21,032 25.22 530,427
2009-01-26 Streeter Bruce A (President & CEO) Option Ex 66,000 6.58 434,148
2008-12-24 Ross Rex (Director) Buy 1,000 20.78 20,780
2008-12-24 Butters David J (Director) Buy 10,000 20.81 208,100
2008-09-30 Kneen Quintin (VP - Finance) Option Ex 217 38.14 8,276
2008-09-29 Millard Robert B (Director) Sale 40,100 42.97 1,723,177
2008-09-26 Millard Robert B (Director) Sale 9,900 48.00 475,200
2008-06-30 Kneen Quintin (VP - Finance) Option Ex 57 47.45 2,704
2008-06-20 Guthrie Edward A (Exec. VP & CFO) Sale 600 67.00 40,200
2008-06-19 Guthrie Edward A (Exec. VP & CFO) Sale 9,400 67.00 629,800
2008-06-17 Crowe Marshall A (Director) Sale 2,500 66.00 165,000
2008-06-15 Mashinski Carla S (VP Acct & Chief Acct Officer) Sale 972 64.67 62,859
2008-06-13 Crowe Marshall A (Director) Sale 2,500 66.04 165,100
2008-06-13 Streeter Bruce A (President & CEO) Sale 20,000 64.58 1,291,620
2008-06-09 Mashinski Carla S (VP Acct & Chief Acct Officer) Sale 850 67.59 57,451
2008-06-05 Mashinski Carla S (VP Acct & Chief Acct Officer) Sale 478 67.39 32,212
2008-06-02 Leech John E (Exec. VP - Operations) Sale 4,014 67.14 269,499
2008-05-30 Mashinski Carla S (VP Acct & Chief Acct Officer) Sale 399 65.41 26,098
2008-05-30 Streeter Bruce A (President & CEO) Sale 2,027 65.41 132,586
2008-05-12 Streeter Bruce A (President & CEO) Sale 20,631 59.85 1,234,765
2008-05-12 Streeter Bruce A (President & CEO) Option Ex 60,000 16.31 978,720
2008-05-12 Leech John E (Exec. VP - Operations) Sale 8,253 59.85 493,942
2008-05-12 Leech John E (Exec. VP - Operations) Option Ex 24,000 16.31 391,488
2008-03-31 Mashinski Carla S (VP Acct & Chief Acct Officer) Option Ex 634 39.44 25,004
2008-03-31 Streeter Bruce A (President & CEO) Option Ex 634 39.44 25,004
2008-03-31 Guthrie Edward A (Exec. VP - Finance & CFO) Option Ex 634 39.44 25,004
2008-03-17 Streeter Bruce A (President & CEO) Sale 1,983 52.43 103,968
2008-03-17 Leech John E (Exec. VP - Operations) Sale 1,331 52.43 69,784
2008-03-17 Guthrie Edward A (Exec. VP - Finance & CFO) Sale 1,625 52.43 85,198
2008-03-04 Mashinski Carla S (VP - Acct. & Chief Acct. Off.) Sale 857 54.62 46,809
2008-01-23 Leech John E (Exec. VP - Operations) Sale 881 40.62 35,786
2008-01-23 Guthrie Edward A (Exec. VP - Finance & CFO) Sale 2,674 40.62 108,617
2007-12-31 Guthrie Edward A (Exec. VP - Finance & CFO) Option Ex 10,000 16.27 162,700
2007-07-20 Streeter Bruce A (President & CEO) Buy 100 55.15 5,515
2007-06-29 Mashinski Carla S (VP - Acct. & Chief Acct. Off.) Option Ex 461 39.55 18,232
2007-06-07 Mashinski Carla S (VP - Acct & Chief Acct. Off.) Sale 734 51.38 37,712
2007-05-30 Mashinski Carla S (VP - Acct. & Chief Acct. Off.) Sale 419 50.12 21,000
2007-05-30 Leech John E (Exec. VP - Operations) Sale 1,214 50.12 60,845
2007-05-30 Guthrie Edward A (Exec. VP - Finance & CFO) Sale 1,214 50.12 60,845
2007-04-20 Streeter Bruce A (President & CEO) Option Ex 60,000 6.88 412,500
2007-04-20 Leech John E (Exec. V.P. - Operations) Sale 6,216 46.20 287,179
2007-04-20 Leech John E (Exec. V.P. - Operations) Option Ex 24,000 6.88 165,000
2007-04-20 Guthrie Edward A (Exec. V.P. - Finance & CFO) Sale 3,000 46.20 138,600
2007-04-17 Streeter Bruce A (President & CEO) Sale 20,000 46.82 936,400
2007-03-30 Mashinski Carla S (Controller) Option Ex 216 31.22 6,743
2007-03-30 Streeter Bruce A (President & CEO) Option Ex 800 31.22 24,976
2007-03-30 Guthrie Edward A (Exec. VP - Finance & CFO) Option Ex 801 31.22 25,007
2007-03-29 Crowe Marshall A (Director) Option Ex 10,000 8.50 85,000
2007-03-29 Leech John E (Exec. V.P. - Operations) Sale 5,034 44.10 221,999
2007-03-28 Crowe Marshall A (Director) Sale 10,000 43.27 432,700
2007-03-27 Lehman Brothers Holdings Inc Sale 145 44.00 6,380
2007-03-26 Mashinski Carla S (Controller) Sale 1,000 44.19 44,192
2007-03-01 Lehman Brothers Holdings Inc Buy 52 39.85 2,072
2006-11-06 Mashinski Carla S (Controller) Sale 1,524 36.43 55,519
2006-07-12 Leech John E (Exec. V.P. - Operations) Option Ex 19,656 3.97 77,995
2006-07-06 Lehman Brothers Holdings Inc Buy 2,352 26.89 63,245
2006-06-30 Mashinski Carla S (Controller) Option Ex 857 21.95 18,811
2006-06-30 Lehman Brothers Holdings Inc Sale 2,352 25.73 60,516
2006-06-02 Crowe Marshall A (Director) Buy 400 25.08 10,032
2006-06-02 Crowe Marshall A (Director) Sale 400 25.08 10,032
2006-03-31 Mashinski Carla S (Controller) Option Ex 262 23.63 6,191
2006-03-31 Crowe Marshall A (Director) Sale 5,000 27.18 135,900
2006-03-31 Streeter Bruce A (President & COO) Option Ex 1,059 23.63 25,024
2006-03-31 Guthrie Edward A (Exec. V.P. - Finance & CFO) Option Ex 1,058 23.63 25,000
2006-03-17 Streeter Bruce A (President & COO) Option Ex 78,620 2.68 210,937
2006-03-17 Leech John E (Exec. VP - Operations) Option Ex 19,656 2.68 52,737
2006-01-18 Butters David J (Director) Option Ex 49,138 2.68 131,886
2005-12-29 Guthrie Edward A (Exec. VP - Finance &) Option Ex 100,000 8.06 806,300
2005-11-22 Mashinski Carla S (Controller) Sale 400 33.34 13,336
2005-08-31 Lehman Brothers Holdings Inc Sale 776 29.90 23,202
2005-08-23 Mashinski Carla S (Controller) Sale 379 28.81 10,918
2005-06-13 Lehman Brothers Holdings Inc Sale 40,000 24.95 998,000
2005-05-13 Crowe Marshall A (Director) Sale 10,000 25.30 253,000

Insider trading activities including stock purchases, stock sales, and option exercises of GLF listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Gulfmark Offshore Inc (symbol GLF, CIK number 1030749) see the Securities and Exchange Commission (SEC) website.