GulfMark Offshore Inc (GLF)

Energy Energy - Fossil Fuels Oil & Gas Related Equipment and Services

Track Share on 𝕏

Stock chart
Ticker: GLF Exchange: ASE


Subscribe to get access to the transaction volume chart and in-chart transaction details
• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale
Past 90 days
 
Value bought
 
Value sold
 
Net insiders buying
 
Trades (buy and sell)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Total value Details
2017-12-26 2017-12-21 B Purchase

CAPTAIN Q, LLC

Large shareholder
8,334 +0.7%
19.00
158,346 USD 		8,334 +0.7% 19.00 158,346 USD
2017-12-26 2017-12-21 S Sale

MARTIN WILLIAM C

Large shareholder
8,334 -100.0%
19.00
158,346 USD 		8,334 -100.0% 19.00 158,346 USD
2016-01-04 2015-12-30 B Purchase

MARTIN WILLIAM C

Non-Executive Director Large shareholder
20,000 +inf%
4.84
96,770 USD 		20,000 +inf% 4.84 96,770 USD
2015-12-14 2015-12-10 S Sale

GORDON SHELDON S

Non-Executive Director
400 -0.6%
5.02
2,008 USD 		400 -0.6% 5.02 2,008 USD
2015-12-14 2015-12-10 S Sale

GORDON SHELDON S

Non-Executive Director
4,214 -5.7%
5.00
21,070 USD 		4,214 -5.7% 5.00 21,070 USD
2015-12-14 2015-12-10 S Sale

GORDON SHELDON S

Non-Executive Director
5,000 -6.4%
5.00
25,000 USD 		5,000 -6.4% 5.00 25,000 USD
2015-11-16 2015-11-13 B Purchase

Kneen Quintin

President & CEO

Executive Director
71 +0.1%
4.85
344 USD 		71 +0.1% 4.85 344 USD
2015-11-16 2015-11-13 B Purchase

Kneen Quintin

President & CEO

Executive Director
100 +0.1%
5.00
500 USD 		100 +0.1% 5.00 500 USD
2015-11-16 2015-11-13 B Purchase

Kneen Quintin

President & CEO

Executive Director
100 +0.1%
4.96
496 USD 		100 +0.1% 4.96 496 USD
2015-11-16 2015-11-13 B Purchase

Kneen Quintin

President & CEO

Executive Director
100 +0.1%
4.92
492 USD 		100 +0.1% 4.92 492 USD
2015-11-16 2015-11-13 B Purchase

Kneen Quintin

President & CEO

Executive Director
100 +0.1%
4.88
488 USD 		100 +0.1% 4.88 488 USD
2015-11-16 2015-11-13 B Purchase

Kneen Quintin

President & CEO

Executive Director
400 +0.3%
4.98
1,992 USD 		400 +0.3% 4.98 1,992 USD
2015-11-16 2015-11-13 B Purchase

Kneen Quintin

President & CEO

Executive Director
400 +0.3%
4.84
1,936 USD 		400 +0.3% 4.84 1,936 USD
2015-11-16 2015-11-13 B Purchase

Kneen Quintin

President & CEO

Executive Director
3,200 +2.4%
4.99
15,968 USD 		3,200 +2.4% 4.99 15,968 USD
2015-11-16 2015-11-13 B Purchase

Kneen Quintin

President & CEO

Executive Director
35,529 +35.7%
5.00
177,645 USD 		35,529 +35.7% 5.00 177,645 USD
2015-04-29 2015-04-28 B Purchase

Kohlhagen Steven W

Non-Executive Director
3,450 +25.0%
13.95
48,128 USD 		3,450 +25.0% 13.95 48,128 USD
2015-04-24 2015-04-23 B Purchase

Kohlhagen Steven W

Non-Executive Director
3,500 +33.9%
13.62
47,670 USD 		3,500 +33.9% 13.62 47,670 USD
2015-03-27 2015-03-26 B Purchase

GORDON SHELDON S

Non-Executive Director
20,000 +39.5%
13.43
268,520 USD 		20,000 +39.5% 13.43 268,520 USD
2015-02-24 2015-02-23 B Purchase

VALUTAS CHARLES K

Non-Executive Director
3,000 +56.4%
16.19
48,570 USD 		3,000 +56.4% 16.19 48,570 USD
2015-03-12 2014-12-29 B Purchase

Ross Rex

Non-Executive Director
99 +0.4%
24.30
2,406 USD 		99 +0.4% 24.30 2,406 USD
2014-12-05 2014-12-04 S Sale

GORDON SHELDON S

Non-Executive Director
20,000 -28.3%
26.29
525,800 USD 		20,000 -28.3% 26.29 525,800 USD
2014-07-29 2014-07-29 B Purchase

Rosenwasser David B

SVP & COO

Officer
4,700 +8.0%
38.55
181,185 USD 		4,700 +8.0% 38.55 181,185 USD
2014-07-29 2014-07-28 B Purchase

Rosenwasser David B

SVP & COO

Officer
4,300 +7.9%
38.69
166,367 USD 		4,300 +7.9% 38.69 166,367 USD
2014-03-05 2014-03-05 B Purchase

Kohlhagen Steven W

Non-Executive Director
1,400 +20.7%
49.16
68,830 USD 		1,400 +20.7% 49.16 68,830 USD
2014-02-27 2014-02-27 B Purchase

Kohlhagen Steven W

Non-Executive Director
1,400 +26.2%
44.72
62,607 USD 		1,400 +26.2% 44.72 62,607 USD
2013-12-26 2013-12-23 B Purchase

Kohlhagen Steven W

Non-Executive Director
2,200 +69.9%
45.91
101,002 USD 		2,200 +69.9% 45.91 101,002 USD
2013-12-19 2013-12-19 B Purchase

MILLARD ROBERT B

Former Director
25,000 +7.6%
44.19
1,104,750 USD 		25,000 +7.6% 44.19 1,104,750 USD
2013-12-19 2013-12-18 B Purchase

MILLARD ROBERT B

Former Director
17,361 +5.6%
45.17
784,231 USD 		17,361 +5.6% 45.17 784,231 USD
2013-12-19 2013-12-17 B Purchase

MILLARD ROBERT B

Former Director
9,378 +3.1%
45.79
429,419 USD 		9,378 +3.1% 45.79 429,419 USD
2013-12-12 2013-12-11 B Purchase

MILLARD ROBERT B

Former Director
10,000 +3.4%
46.97
469,660 USD 		10,000 +3.4% 46.97 469,660 USD
2013-11-08 2013-11-07 B Purchase

MILLARD ROBERT B

Former Director
8,869 +3.2%
48.66
431,566 USD 		8,869 +3.2% 48.66 431,566 USD
2013-11-08 2013-11-06 B Purchase

MILLARD ROBERT B

Former Director
82 +0.0%
48.71
3,994 USD 		82 +0.0% 48.71 3,994 USD
2013-11-05 2013-11-01 B Purchase

MILLARD ROBERT B

Former Director
200 +0.1%
48.71
9,742 USD 		200 +0.1% 48.71 9,742 USD
2013-10-24 2013-10-22 S Sale

MILLARD ROBERT B

Former Director
9,151 -3.2%
53.72
491,550 USD 		9,151 -3.2% 53.72 491,550 USD
2013-10-17 2013-10-15 S Sale

STREETER BRUCE A

Former Pres., CEO, & Director
25,000 -5.3%
52.08
1,301,978 USD 		25,000 -5.3% 52.08 1,301,978 USD
2013-09-30 2013-09-30 S Sale

BUTTERS DAVID J

2,596 -0.5%
50.10
130,060 USD 		2,596 -0.5% 50.10 130,060 USD
2013-09-27 2013-09-27 S Sale

BUTTERS DAVID J

Non-Executive Director
14,534 -2.9%
51.00
741,234 USD 		14,534 -2.9% 51.00 741,234 USD
2013-09-27 2013-09-26 S Sale

BUTTERS DAVID J

471 -0.1%
51.25
24,141 USD 		471 -0.1% 51.25 24,141 USD
2013-10-07 2013-09-25 S Sale

GIMBEL LOUIS S III

Former Director
9,800 -2.8%
51.17
501,505 USD 		9,800 -2.8% 51.17 501,505 USD
2013-09-25 2013-09-25 S Sale

BUTTERS DAVID J

Non-Executive Director
13,300 -2.6%
51.33
682,674 USD 		13,300 -2.6% 51.33 682,674 USD
2013-09-25 2013-09-24 S Sale

BUTTERS DAVID J

6,700 -1.3%
51.39
344,291 USD 		6,700 -1.3% 51.39 344,291 USD
2013-09-19 2013-09-18 S Sale

MILLARD ROBERT B

Former Director
10,000 -3.3%
52.00
520,000 USD 		10,000 -3.3% 52.00 520,000 USD
2013-09-18 2013-09-17 S Sale

BUTTERS DAVID J

Non-Executive Director
43,066 -7.6%
50.81
2,188,011 USD 		43,066 -7.6% 50.81 2,188,011 USD
2013-09-18 2013-09-16 S Sale

BUTTERS DAVID J

49,759 -8.1%
50.00
2,488,000 USD 		49,759 -8.1% 50.00 2,488,000 USD
2013-09-12 2013-09-11 S Sale

BUTTERS DAVID J

Non-Executive Director
2,130 -0.3%
49.70
105,862 USD 		2,130 -0.3% 49.70 105,862 USD
2013-09-12 2013-09-10 S Sale

BUTTERS DAVID J

1,000 -0.2%
49.70
49,703 USD 		1,000 -0.2% 49.70 49,703 USD
2013-09-10 2013-09-09 S Sale

BUTTERS DAVID J

4,045 -0.7%
49.75
201,248 USD 		4,045 -0.7% 49.75 201,248 USD
2013-08-02 2013-08-02 S Sale

Kneen Quintin

President & CEO

Officer
39,737 -60.2%
49.70
1,974,929 USD 		39,737 -60.2% 49.70 1,974,929 USD
2013-08-02 2013-08-01 S Sale

Rubio Samuel R

SVP - Controller & CAO

Officer
3,859 -14.5%
50.05
193,143 USD 		3,859 -14.5% 50.05 193,143 USD
2013-07-31 2013-07-31 S Sale

Darling David E

SVP - HR

Officer
3,522 -26.7%
49.23
173,391 USD 		3,522 -26.7% 49.23 173,391 USD
2013-07-23 2013-07-19 S Sale

GIMBEL LOUIS S III

Former Director
4,000 -1.1%
50.21
200,820 USD 		4,000 -1.1% 50.21 200,820 USD
2013-07-11 2013-07-11 S Sale

MILLARD ROBERT B

Former Director
11,517 -3.7%
48.28
556,041 USD 		11,517 -3.7% 48.28 556,041 USD
2013-07-11 2013-07-10 S Sale

MILLARD ROBERT B

Former Director
8,483 -2.6%
48.61
412,359 USD 		8,483 -2.6% 48.61 412,359 USD
2013-07-09 2013-07-09 S Sale

MILLARD ROBERT B

Former Director
30,000 -8.6%
48.59
1,457,700 USD 		30,000 -8.6% 48.59 1,457,700 USD
2013-07-09 2013-07-08 S Sale

MILLARD ROBERT B

Former Director
30,500 -8.0%
47.77
1,456,985 USD 		30,500 -8.0% 47.77 1,456,985 USD
2013-07-08 2013-07-05 S Sale

MILLARD ROBERT B

19,500 -4.9%
47.40
924,300 USD 		19,500 -4.9% 47.40 924,300 USD
2013-07-02 2013-07-02 S Sale

MILLARD ROBERT B

30,000 -7.0%
46.24
1,387,140 USD 		30,000 -7.0% 46.24 1,387,140 USD
2013-07-02 2013-07-01 S Sale

MILLARD ROBERT B

20,000 -4.4%
46.23
924,540 USD 		20,000 -4.4% 46.23 924,540 USD
2013-06-21 2013-06-20 S Sale

MILLARD ROBERT B

Non-Executive Director
6,427 -1.4%
44.31
284,751 USD 		6,427 -1.4% 44.31 284,751 USD
2013-06-21 2013-06-19 S Sale

STREETER BRUCE A

49,298 -9.4%
45.73
2,254,545 USD 		49,298 -9.4% 45.73 2,254,545 USD
2013-06-19 2013-06-18 S Sale

MILLARD ROBERT B

Non-Executive Director
13,741 -2.9%
46.80
643,079 USD 		13,741 -2.9% 46.80 643,079 USD
2013-06-19 2013-06-17 S Sale

MILLARD ROBERT B

Non-Executive Director
5,100 -1.1%
46.75
238,420 USD 		5,100 -1.1% 46.75 238,420 USD
2013-05-13 2013-05-10 S Sale

Rosenwasser David B

EVP & COO

Officer
17,000 -27.5%
44.89
763,130 USD 		17,000 -27.5% 44.89 763,130 USD
2013-05-03 2013-05-03 S Sale

Darling David E

SVP - Human Resources

Officer
2,000 -13.2%
43.31
86,614 USD 		2,000 -13.2% 43.31 86,614 USD
2012-11-15 2012-11-13 S Sale

GIMBEL LOUIS S III

Non-Executive Director
7,895 -2.2%
30.89
243,877 USD 		7,895 -2.2% 30.89 243,877 USD
2012-11-15 2012-11-13 S Sale

GIMBEL LOUIS S III

Non-Executive Director
2,200 -0.6%
31.09
68,387 USD 		2,200 -0.6% 31.09 68,387 USD
2012-11-14 2012-11-12 S Sale

Darling David E

VP- Human Resources

Officer
1,000 -7.4%
31.76
31,760 USD 		1,000 -7.4% 31.76 31,760 USD
2012-05-08 2012-05-07 S Sale

GIMBEL LOUIS S III

Non-Executive Director
14,600 -3.9%
40.94
597,768 USD 		14,600 -3.9% 40.94 597,768 USD
2012-04-02 2012-03-30 S Sale

Rubio Samuel R

VP - Controller & CAO

Officer
1,000 -4.2%
45.96
45,960 USD 		1,000 -4.2% 45.96 45,960 USD
2012-03-29 2012-03-28 S Sale

Rubio Samuel R

VP - Controller & CAO

Officer
960 -3.8%
46.92
45,039 USD 		960 -3.8% 46.92 45,039 USD
2012-03-29 2012-03-28 S Sale

Darling David E

VP- Human Resources

Officer
1,091 -7.5%
46.92
51,185 USD 		1,091 -7.5% 46.92 51,185 USD
2012-03-29 2012-03-28 S Sale

Kneen Quintin

Exec VP & CFO

Officer
4,086 -6.5%
46.92
191,699 USD 		4,086 -6.5% 46.92 191,699 USD
2012-03-16 2012-03-14 S Sale

Rubio Samuel R

VP- Controller & CAO

Officer
720 -3.5%
48.30
34,772 USD 		720 -3.5% 48.30 34,772 USD
2012-03-16 2012-03-14 S Sale

Kneen Quintin

Exec VP & CFO

Officer
1,853 -3.6%
48.30
89,491 USD 		1,853 -3.6% 48.30 89,491 USD
2012-03-16 2012-03-14 S Sale

Darling David E

VP- Human Resources

Officer
578 -5.7%
48.30
27,915 USD 		578 -5.7% 48.30 27,915 USD