Mammoth Energy Services Inc (TUSK)

Mammoth Energy Services recorded one insider purchase totaling 15,000 dollars over the past ninety days. This activity follows the company's August earnings report. Despite a 9.7 percent decline in stock price during this period, market participants observed this singular acquisition by an insider, contrasting with broader historical patterns of divestment.
Ticker: TUSK Exchange: NSM


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Mammoth Energy Services Inc. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.3
Plaumann Mark Lawrence Non-Executive Director
Transaction date
Purchase
Price
313.24
Quantity 45,115 -34.4%
Value US$1,169,798
3.2
WEXFORD CAPITAL LP Chief Business Officer Executive Director Large shareholder
Transaction date
Purchase
Price
441.79
Quantity 52,308 +33.3%
Value US$1,733,276
3.2
WEXFORD CAPITAL LP Chief Business Officer Executive Director Large shareholder
Transaction date
Purchase
Price
461.09
Quantity 32,523 -26.6%
Value US$2,118,390
2.5
Amron Arthur H Non-Executive Director
Transaction date
Purchase
Price
3.28
Quantity 2,000 +3.1%
Value US$6,560
2.5
Amron Arthur H Non-Executive Director
Transaction date
Purchase
Price
3.22
Quantity 2,500 +4.0%
Value US$8,050
2.5
Amron Arthur H Non-Executive Director
Transaction date
Purchase
Price
3.25
Quantity 3,000 +5.0%
Value US$9,750
2.5
Amron Arthur H Non-Executive Director
Transaction date
Purchase
Price
3.24
Quantity 2,500 +4.4%
Value US$8,100
2.5
Amron Arthur H Non-Executive Director
Transaction date
Purchase
Price
1.89
Quantity 10,000 +21.2%
Value US$18,900
3.8
SMITH ARTHUR L Director Non-Executive Director
Transaction date
Proposed sale
Price
2.26
Quantity 102,178
Value US$231,000
3.8
SMITH ARTHUR L Non-Executive Director
Transaction date
Sale
Price
2.51
Quantity 20,000 -13.3%
Value US$50,200
3.8
SMITH ARTHUR L Non-Executive Director
Transaction date
Sale
Price
2.51
Quantity 50,000 -25.0%
Value US$125,500
3.8
SMITH ARTHUR L Non-Executive Director
Transaction date
Sale
Price
2.49
Quantity 15,000 -7.0%
Value US$37,350
3.8
SMITH ARTHUR L Director Non-Executive Director
Transaction date
Proposed sale
Price
2.53
Quantity 100,000
Value US$253,000
2.5
Amron Arthur H Non-Executive Director
Transaction date
Purchase
Price
2.97
Quantity 1,000 +2.2%
Value US$2,971
3.6
Booker Corey J. Non-Executive Director
Transaction date
Sale
Price
3.47
Quantity 15,000 -10.7%
Value US$52,050
3.6
Booker Corey J. Non-Executive Director
Transaction date
Sale
Price
3.43
Quantity 10,000 -6.6%
Value US$34,300
3.6
Booker Corey J. Non-Executive Director
Transaction date
Sale
Price
3.25
Quantity 6,709 -4.3%
Value US$21,804
3.6
Booker Corey J. Non-Executive Director
Transaction date
Sale
Price
3.21
Quantity 5,000 -3.1%
Value US$16,050
3.6
Booker Corey J. Non-Executive Director
Transaction date
Sale
Price
3.50
Quantity 3,607 -2.2%
Value US$12,624
3.6
Booker Corey J. Non-Executive Director
Transaction date
Sale
Price
3.68
Quantity 7,100 -4.1%
Value US$26,100
3.6
Booker Corey J. Non-Executive Director
Transaction date
Sale
Price
3.61
Quantity 3,494 -2.0%
Value US$12,613
3.6
Booker Corey J. Non-Executive Director
Transaction date
Sale
Price
3.76
Quantity 24 -0.0%
Value US$90
3.6
Booker Corey J. Non-Executive Director
Transaction date
Sale
Price
3.90
Quantity 165 -0.1%
Value US$644
3.6
Booker Corey J. Director Non-Executive Director
Transaction date
Proposed sale
Price
3.86
Quantity 64,767
Value US$250,001
2.5
Amron Arthur H Non-Executive Director
Transaction date
Purchase
Price
3.65
Quantity 3,000 +19.6%
Value US$10,944
2.5
Amron Arthur H Non-Executive Director
Transaction date
Purchase
Price
3.57
Quantity 2,000 +15.1%
Value US$7,148
2.5
Amron Arthur H Non-Executive Director
Transaction date
Purchase
Price
3.72
Quantity 3,000 +29.2%
Value US$11,157
3.9
Straehla Arty Chief Executive Officer Executive Director
Transaction date
Sale
Price
4.35
Quantity 40,000 -3.8%
Value US$174,160
3.9
Straehla Arty Chief Executive Officer Executive Director
Transaction date
Sale
Price
4.38
Quantity 30,000 -2.8%
Value US$131,280
3.9
Straehla Arty Chief Executive Officer Executive Director
Transaction date
Sale
Price
4.36
Quantity 40,000 -3.6%
Value US$174,440
3.9
Straehla Arty Chief Executive Officer Executive Director
Transaction date
Sale
Price
4.44
Quantity 55,000 -4.7%
Value US$244,145
3.9
Straehla Arty Chief Executive Officer Executive Director
Transaction date
Sale
Price
4.39
Quantity 25,000 -2.1%
Value US$109,650
3.9
Straehla Arty Officer Officer
Transaction date
Proposed sale
Price
4.41
Quantity 190,000
Value US$837,900
3.8
SMITH ARTHUR L Non-Executive Director
Transaction date
Sale
Price
7.07
Quantity 20,000 -10.9%
Value US$141,324
3.2
WEXFORD CAPITAL LP Non-Executive Director Large shareholder
Transaction date
Purchase
Price
2.17
Quantity 10,382 +0.0%
Value US$22,578
3.2
WEXFORD CAPITAL LP Non-Executive Director Large shareholder
Transaction date
Purchase
Price
2.13
Quantity 35,000 +0.2%
Value US$74,400
3.2
WEXFORD CAPITAL LP Non-Executive Director Large shareholder
Transaction date
Purchase
Price
2.23
Quantity 5,100 +0.0%
Value US$11,378
3.2
WEXFORD CAPITAL LP Non-Executive Director Large shareholder
Transaction date
Purchase
Price
2.28
Quantity 20,600 +0.1%
Value US$46,966
3.2
WEXFORD CAPITAL LP Non-Executive Director Large shareholder
Transaction date
Purchase
Price
2.35
Quantity 25,102 +0.1%
Value US$59,002
3.2
WEXFORD CAPITAL LP Non-Executive Director Large shareholder
Transaction date
Purchase
Price
2.46
Quantity 54,779 +0.2%
Value US$134,510
3.2
WEXFORD CAPITAL LP Non-Executive Director Large shareholder
Transaction date
Purchase
Price
2.48
Quantity 27,489 +0.1%
Value US$68,164
3.2
WEXFORD CAPITAL LP Non-Executive Director Large shareholder
Transaction date
Purchase
Price
2.50
Quantity 15,500 +0.1%
Value US$38,707
2.8
Layton Mark E. CFO and Secretary Officer
Transaction date
Sale
Price
2.04
Quantity 40,417 -8.2%
Value US$82,325
3.8
SMITH ARTHUR L Non-Executive Director
Transaction date
Purchase
Price
2.00
Quantity 25,000 +16.1%
Value US$50,000
2.8
Layton Mark E. CFO and Secretary Officer
Transaction date
Sale
Price
5.22
Quantity 55,789 -10.1%
Value US$290,984
3.9
Straehla Arty Chief Executive Officer Executive Director
Transaction date
Sale
Price
5.29
Quantity 102,435 -7.1%
Value US$541,584
3.9
Straehla Arty Chief Executive Officer Executive Director
Transaction date
Sale
Price
5.47
Quantity 46,555 -3.1%
Value US$254,493
3.9
Straehla Arty Chief Executive Officer Executive Director
Transaction date
Sale
Price
1.78
Quantity 5,000 -0.3%
Value US$8,880
3.8
SMITH ARTHUR L Non-Executive Director
Transaction date
Purchase
Price
1.29
Quantity 20,000 +18.2%
Value US$25,800
Ross Matthew Non-Executive Director
Transaction date
Sale
Price
1.44
Quantity 2,913 -12.8%
Value US$4,195
WEXFORD CAPITAL LP
Transaction date
Purchase
Price
1.33
Quantity 16,692 +0.1%
Value US$22,169
Transaction date
Purchase
Price
1.36
Quantity 35,904 +0.2%
Value US$48,890
SMITH ARTHUR L Non-Executive Director
Transaction date
Sale
Price
24.85
Quantity 6,000 -100.0%
Value US$149,099
Straehla Arty Chief Executive Officer Executive Director
Transaction date
Sale
Price
26.20
Quantity 2,230 -1.2%
Value US$58,427
2.8
Layton Mark E. CFO and Secretary Officer
Transaction date
Sale
Price
26.12
Quantity 142 -0.3%
Value US$3,709
Layton Mark E. CFO and Secretary Officer
Transaction date
Sale
Price
27.27
Quantity 994 -1.9%
Value US$27,111
3.9
Straehla Arty Chief Executive Officer Executive Director
Transaction date
Sale
Price
27.29
Quantity 11,460 -5.8%
Value US$312,720
3.9
Straehla Arty Chief Executive Officer Executive Director
Transaction date
Sale
Price
26.45
Quantity 25,151 -11.2%
Value US$665,294
GULFPORT ENERGY CORP Non-Executive Director Large shareholder
Transaction date
Sale
Price
38.01
Quantity 118,974 -1.2%
Value US$4,522,202
MEH SUB LLC
Transaction date
Sale
Price
38.01
Quantity 266,026 -1.2%
Value US$10,111,648
GULFPORT ENERGY CORP Non-Executive Director Large shareholder
Transaction date
Sale
Price
38.01
Quantity 1,235,600 -11.0%
Value US$46,965,156
MEH SUB LLC
Transaction date
Sale
Price
38.01
Quantity 2,764,400 -11.1%
Value US$105,074,844
2.8
Layton Mark E. CFO and Secretary Officer
Transaction date
Sale
Price
26.13
Quantity 4,373 -7.7%
Value US$114,252
Straehla Arty Chief Executive Officer Executive Director
Transaction date
Sale
Price
17.81
Quantity 7,553 -3.3%
Value US$134,512
Layton Mark E. CFO and Secretary
Transaction date
Sale
Price
19.01
Quantity 925 -1.6%
Value US$17,587
Straehla Arty Chief Executive Officer Executive Director
Transaction date
Sale
Price
18.71
Quantity 18,289 -7.3%
Value US$342,249
Palm James D
Transaction date
Purchase
Price
12.60
Quantity 2,000 +18.7%
Value US$25,200
Palm James D
Transaction date
Purchase
Price
12.83
Quantity 4,000 +59.7%
Value US$51,323
SMITH ARTHUR L
Transaction date
Purchase
Price
16.91
Quantity 6,000 +inf%
Value US$101,457
Straehla Arty Chief Executive Officer Executive Director
Transaction date
Purchase
Price
21.76
Quantity 460 +inf%
Value US$10,008
Straehla Arty Chief Executive Officer Executive Director
Transaction date
Purchase
Price
15.00
Quantity 666 +100.0%
Value US$9,990
Straehla Arty Chief Executive Officer Executive Director
Transaction date
Purchase
Price
15.00
Quantity 666 +inf%
Value US$9,990
Mammoth Energy Holdings LLC Non-Executive Director Large shareholder
Transaction date
Sale
Price
14.06
Quantity 171,797 -0.8%
Value US$2,415,895
Layton Mark E. CFO and Secretary Officer
Transaction date
Purchase
Price
15.00
Quantity 3,000 +inf%
Value US$45,000
GULFPORT ENERGY CORP Non-Executive Director Large shareholder
Transaction date
Sale
Price
14.06
Quantity 76,250 -0.8%
Value US$1,072,266
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-09-17 2026-09-16 B Purchase Non-Executive Director
45,115 -34.4%
313.24
US$1,169,798
45,115 -34.4% 313.24 US$1,169,798
2026-06-22 2026-06-17 B Purchase

Chief Business Officer

Executive Director Large shareholder
52,308 +33.3%
441.79
US$1,733,276
52,308 +33.3% 441.79 US$1,733,276
2026-06-22 2026-06-17 B Purchase

Chief Business Officer

Executive Director Large shareholder
32,523 -26.6%
461.09
US$2,118,390
32,523 -26.6% 461.09 US$2,118,390
2026-06-15 2026-06-12 B Purchase Non-Executive Director
2,000 +3.1%
3.28
US$6,560
2,000 +3.1% 3.28 US$6,560
2026-06-15 2026-06-11 B Purchase Non-Executive Director
2,500 +4.0%
3.22
US$8,050
2,500 +4.0% 3.22 US$8,050
2026-05-28 2026-05-28 B Purchase Non-Executive Director
3,000 +5.0%
3.25
US$9,750
3,000 +5.0% 3.25 US$9,750
2026-05-28 2026-05-26 B Purchase Non-Executive Director
2,500 +4.4%
3.24
US$8,100
2,500 +4.4% 3.24 US$8,100
2025-12-15 2025-12-11 B Purchase Non-Executive Director
10,000 +21.2%
1.89
US$18,900
10,000 +21.2% 1.89 US$18,900
2025-08-12 2025-08-12 PrS Proposed sale

Director

Non-Executive Director
102,178
2.26
US$231,000
102,178 2.26 US$231,000
2025-05-27 2025-05-22 S Sale Non-Executive Director
20,000 -13.3%
2.51
US$50,200
20,000 -13.3% 2.51 US$50,200
2025-05-21 2025-05-20 S Sale Non-Executive Director
50,000 -25.0%
2.51
US$125,500
50,000 -25.0% 2.51 US$125,500
2025-05-21 2025-05-19 S Sale Non-Executive Director
15,000 -7.0%
2.49
US$37,350
15,000 -7.0% 2.49 US$37,350
2025-05-12 2025-05-12 PrS Proposed sale

Director

Non-Executive Director
100,000
2.53
US$253,000
100,000 2.53 US$253,000
2024-12-16 2024-12-12 B Purchase Non-Executive Director
1,000 +2.2%
2.97
US$2,971
1,000 +2.2% 2.97 US$2,971
2024-11-26 2024-11-25 S Sale Non-Executive Director
15,000 -10.7%
3.47
US$52,050
15,000 -10.7% 3.47 US$52,050
2024-11-26 2024-11-22 S Sale Non-Executive Director
10,000 -6.6%
3.43
US$34,300
10,000 -6.6% 3.43 US$34,300
2024-11-22 2024-11-21 S Sale Non-Executive Director
6,709 -4.3%
3.25
US$21,804
6,709 -4.3% 3.25 US$21,804
2024-11-22 2024-11-20 S Sale Non-Executive Director
5,000 -3.1%
3.21
US$16,050
5,000 -3.1% 3.21 US$16,050
2024-11-15 2024-11-14 S Sale Non-Executive Director
3,607 -2.2%
3.50
US$12,624
3,607 -2.2% 3.50 US$12,624
2024-11-15 2024-11-13 S Sale Non-Executive Director
7,100 -4.1%
3.68
US$26,100
7,100 -4.1% 3.68 US$26,100
2024-11-12 2024-11-11 S Sale Non-Executive Director
3,494 -2.0%
3.61
US$12,613
3,494 -2.0% 3.61 US$12,613
2024-11-12 2024-11-08 S Sale Non-Executive Director
24 -0.0%
3.76
US$90
24 -0.0% 3.76 US$90
2024-11-12 2024-11-07 S Sale Non-Executive Director
165 -0.1%
3.90
US$644
165 -0.1% 3.90 US$644
2024-11-07 2024-11-07 PrS Proposed sale

Director

Non-Executive Director
64,767
3.86
US$250,001
64,767 3.86 US$250,001
2024-05-30 2024-05-30 B Purchase Non-Executive Director
3,000 +19.6%
3.65
US$10,944
3,000 +19.6% 3.65 US$10,944
2024-05-30 2024-05-28 B Purchase Non-Executive Director
2,000 +15.1%
3.57
US$7,148
2,000 +15.1% 3.57 US$7,148
2024-03-14 2024-03-12 B Purchase Non-Executive Director
3,000 +29.2%
3.72
US$11,157
3,000 +29.2% 3.72 US$11,157
2023-12-19 2023-12-19 S Sale

Chief Executive Officer

Executive Director
40,000 -3.8%
4.35
US$174,160
40,000 -3.8% 4.35 US$174,160
2023-12-19 2023-12-18 S Sale

Chief Executive Officer

Executive Director
30,000 -2.8%
4.38
US$131,280
30,000 -2.8% 4.38 US$131,280
2023-12-15 2023-12-15 S Sale

Chief Executive Officer

Executive Director
40,000 -3.6%
4.36
US$174,440
40,000 -3.6% 4.36 US$174,440
2023-12-15 2023-12-14 S Sale

Chief Executive Officer

Executive Director
55,000 -4.7%
4.44
US$244,145
55,000 -4.7% 4.44 US$244,145
2023-12-15 2023-12-13 S Sale

Chief Executive Officer

Executive Director
25,000 -2.1%
4.39
US$109,650
25,000 -2.1% 4.39 US$109,650
2023-12-13 2023-12-13 PrS Proposed sale

Officer

Officer
190,000
4.41
US$837,900
190,000 4.41 US$837,900
2022-11-14 2022-11-11 S Sale Non-Executive Director
20,000 -10.9%
7.07
US$141,324
20,000 -10.9% 7.07 US$141,324
2022-06-21 2022-06-17 B Purchase Non-Executive Director Large shareholder
10,382 +0.0%
2.17
US$22,578
10,382 +0.0% 2.17 US$22,578
2022-06-21 2022-06-16 B Purchase Non-Executive Director Large shareholder
35,000 +0.2%
2.13
US$74,400
35,000 +0.2% 2.13 US$74,400
2022-06-15 2022-06-15 B Purchase Non-Executive Director Large shareholder
5,100 +0.0%
2.23
US$11,378
5,100 +0.0% 2.23 US$11,378
2022-06-15 2022-06-14 B Purchase Non-Executive Director Large shareholder
20,600 +0.1%
2.28
US$46,966
20,600 +0.1% 2.28 US$46,966
2022-06-15 2022-06-13 B Purchase Non-Executive Director Large shareholder
25,102 +0.1%
2.35
US$59,002
25,102 +0.1% 2.35 US$59,002
2022-06-10 2022-06-10 B Purchase Non-Executive Director Large shareholder
54,779 +0.2%
2.46
US$134,510
54,779 +0.2% 2.46 US$134,510
2022-06-10 2022-06-09 B Purchase Non-Executive Director Large shareholder
27,489 +0.1%
2.48
US$68,164
27,489 +0.1% 2.48 US$68,164
2022-06-10 2022-06-08 B Purchase Non-Executive Director Large shareholder
15,500 +0.1%
2.50
US$38,707
15,500 +0.1% 2.50 US$38,707
2022-03-11 2022-03-10 S Sale

CFO and Secretary

Officer
40,417 -8.2%
2.04
US$82,325
40,417 -8.2% 2.04 US$82,325
2021-12-14 2021-12-13 B Purchase Non-Executive Director
25,000 +16.1%
2.00
US$50,000
25,000 +16.1% 2.00 US$50,000
2021-03-11 2021-03-11 S Sale

CFO and Secretary

Officer
55,789 -10.1%
5.22
US$290,984
55,789 -10.1% 5.22 US$290,984
2021-03-11 2021-03-10 S Sale

Chief Executive Officer

Executive Director
102,435 -7.1%
5.29
US$541,584
102,435 -7.1% 5.29 US$541,584
2021-03-11 2021-03-09 S Sale

Chief Executive Officer

Executive Director
46,555 -3.1%
5.47
US$254,493
46,555 -3.1% 5.47 US$254,493
2020-11-13 2020-11-10 S Sale

Chief Executive Officer

Executive Director
5,000 -0.3%
1.78
US$8,880
5,000 -0.3% 1.78 US$8,880
2020-09-08 2020-09-04 B Purchase Non-Executive Director
20,000 +18.2%
1.29
US$25,800
20,000 +18.2% 1.29 US$25,800
2019-11-22 2019-11-21 S Sale Ross Matthew Non-Executive Director
2,913 -12.8%
1.44
US$4,195
2,913 -12.8% 1.44 US$4,195
2019-11-22 2019-11-20 B Purchase WEXFORD CAPITAL LP
16,692 +0.1%
1.33
US$22,169
16,692 +0.1% 1.33 US$22,169
2019-11-15 2019-11-13 B Purchase
35,904 +0.2%
1.36
US$48,890
35,904 +0.2% 1.36 US$48,890
2018-12-06 2018-12-03 S Sale SMITH ARTHUR L Non-Executive Director
6,000 -100.0%
24.85
US$149,099
6,000 -100.0% 24.85 US$149,099
2018-11-13 2018-11-12 S Sale Straehla Arty

Chief Executive Officer

Executive Director
2,230 -1.2%
26.20
US$58,427
2,230 -1.2% 26.20 US$58,427
2018-11-13 2018-11-09 S Sale

CFO and Secretary

Officer
142 -0.3%
26.12
US$3,709
142 -0.3% 26.12 US$3,709
2018-11-13 2018-11-08 S Sale Layton Mark E.

CFO and Secretary

Officer
994 -1.9%
27.27
US$27,111
994 -1.9% 27.27 US$27,111
2018-11-13 2018-11-08 S Sale

Chief Executive Officer

Executive Director
11,460 -5.8%
27.29
US$312,720
11,460 -5.8% 27.29 US$312,720
2018-11-13 2018-11-08 S Sale

Chief Executive Officer

Executive Director
25,151 -11.2%
26.45
US$665,294
25,151 -11.2% 26.45 US$665,294
2018-08-01 2018-07-30 S Sale GULFPORT ENERGY CORP Non-Executive Director Large shareholder
118,974 -1.2%
38.01
US$4,522,202
118,974 -1.2% 38.01 US$4,522,202
2018-08-01 2018-07-30 S Sale MEH SUB LLC
266,026 -1.2%
38.01
US$10,111,648
266,026 -1.2% 38.01 US$10,111,648
2018-07-03 2018-06-29 S Sale GULFPORT ENERGY CORP Non-Executive Director Large shareholder
1,235,600 -11.0%
38.01
US$46,965,156
1,235,600 -11.0% 38.01 US$46,965,156
2018-07-03 2018-06-29 S Sale MEH SUB LLC
2,764,400 -11.1%
38.01
US$105,074,844
2,764,400 -11.1% 38.01 US$105,074,844
2018-03-07 2018-03-01 S Sale

CFO and Secretary

Officer
4,373 -7.7%
26.13
US$114,252
4,373 -7.7% 26.13 US$114,252
2017-11-16 2017-11-15 S Sale Straehla Arty

Chief Executive Officer

Executive Director
7,553 -3.3%
17.81
US$134,512
7,553 -3.3% 17.81 US$134,512
2017-11-16 2017-11-14 S Sale Layton Mark E.

CFO and Secretary

925 -1.6%
19.01
US$17,587
925 -1.6% 19.01 US$17,587
2017-11-16 2017-11-14 S Sale Straehla Arty

Chief Executive Officer

Executive Director
18,289 -7.3%
18.71
US$342,249
18,289 -7.3% 18.71 US$342,249
2017-08-28 2017-08-25 B Purchase Palm James D
2,000 +18.7%
12.60
US$25,200
2,000 +18.7% 12.60 US$25,200
2017-08-28 2017-08-24 B Purchase Palm James D
4,000 +59.7%
12.83
US$51,323
4,000 +59.7% 12.83 US$51,323
2017-06-13 2017-06-09 B Purchase SMITH ARTHUR L
6,000 +inf%
16.91
US$101,457
6,000 +inf% 16.91 US$101,457
2017-03-02 2017-02-28 B Purchase Straehla Arty

Chief Executive Officer

Executive Director
460 +inf%
21.76
US$10,008
460 +inf% 21.76 US$10,008
2016-10-21 2016-10-19 B Purchase Straehla Arty

Chief Executive Officer

Executive Director
666 +100.0%
15.00
US$9,990
666 +100.0% 15.00 US$9,990
2016-10-21 2016-10-19 B Purchase Straehla Arty

Chief Executive Officer

Executive Director
666 +inf%
15.00
US$9,990
666 +inf% 15.00 US$9,990
2016-10-21 2016-10-19 S Sale Mammoth Energy Holdings LLC Non-Executive Director Large shareholder
171,797 -0.8%
14.06
US$2,415,895
171,797 -0.8% 14.06 US$2,415,895
2016-10-21 2016-10-19 B Purchase Layton Mark E.

CFO and Secretary

Officer
3,000 +inf%
15.00
US$45,000
3,000 +inf% 15.00 US$45,000
2016-10-21 2016-10-19 S Sale GULFPORT ENERGY CORP Non-Executive Director Large shareholder
76,250 -0.8%
14.06
US$1,072,266
76,250 -0.8% 14.06 US$1,072,266