Stock chart
Ticker: MGY Exchange: NYS


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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
2024-05-15 2024-05-14 S Sale

Walker John B

Non-Executive Director Large shareholder
1,000 -74.2%
25.58
100,000 USD
1,000 -74.2% 25.58 100,000 USD
2024-05-15 2024-05-14 S Sale

EnerVest, Ltd.

Non-Executive Director Large shareholder
1,000 -74.2%
25.58
100,000 USD
1,000 -74.2% 25.58 100,000 USD
2023-09-13 2023-09-12 B Purchase

LARSON JAMES R

Non-Executive Director
1,000 +1.3%
23.52
23,520 USD
1,000 +1.3% 23.52 23,520 USD
2022-11-08 2022-11-08 S Sale

Walker John B

Non-Executive Director Large shareholder
7,500,000 -47.5%
24.26
181,950,000 USD
7,500,000 -47.5% 24.26 181,950,000 USD
2022-11-08 2022-11-08 S Sale

EnerVest, Ltd.

Non-Executive Director Large shareholder
7,500,000 -47.5%
24.26
181,950,000 USD
7,500,000 -47.5% 24.26 181,950,000 USD
2022-06-06 2022-06-06 S Sale

EnerVest, Ltd.

Non-Executive Director Large shareholder
7,500,000 -40.7%
27.01
202,575,000 USD
7,500,000 -40.7% 27.01 202,575,000 USD
2022-06-06 2022-06-06 S Sale

Walker John B

Non-Executive Director Large shareholder
7,500,000 -40.7%
27.01
202,575,000 USD
7,500,000 -40.7% 27.01 202,575,000 USD
2022-03-14 2022-03-14 S Sale

EnerVest, Ltd.

Non-Executive Director Large shareholder
7,500,000 -35.7%
21.72
162,900,000 USD
7,500,000 -35.7% 21.72 162,900,000 USD
2022-03-14 2022-03-14 S Sale

Walker John B

Non-Executive Director Large shareholder
7,500,000 -35.7%
21.72
162,900,000 USD
7,500,000 -35.7% 21.72 162,900,000 USD
2022-02-07 2022-02-03 PS Planned sale

Walker John B

Non-Executive Director Large shareholder
550,815 -3.3%
21.00
11,567,115 USD
550,815 -3.3% 21.00 11,567,115 USD
2022-02-07 2022-02-03 PS Planned sale

Walker John B

Non-Executive Director Large shareholder
6,905,000 -29.1%
21.00
145,005,000 USD
6,905,000 -29.1% 21.00 145,005,000 USD
2022-02-07 2022-02-03 PS Planned sale

EnerVest, Ltd.

Non-Executive Director Large shareholder
550,815 -3.3%
21.00
11,567,115 USD
550,815 -3.3% 21.00 11,567,115 USD
2022-02-07 2022-02-03 PS Planned sale

EnerVest, Ltd.

Non-Executive Director Large shareholder
6,905,000 -29.1%
21.00
145,005,000 USD
6,905,000 -29.1% 21.00 145,005,000 USD
2021-10-12 2021-10-07 PS Planned sale

Walker John B

Non-Executive Director Large shareholder
5,000,000 -21.1%
18.50
92,500,000 USD
5,000,000 -21.1% 18.50 92,500,000 USD
2021-10-12 2021-10-07 PS Planned sale

EnerVest, Ltd.

Non-Executive Director Large shareholder
5,000,000 -21.1%
18.50
92,500,000 USD
5,000,000 -21.1% 18.50 92,500,000 USD
2021-08-05 2021-08-05 B Purchase

CHAZEN STEPHEN I

CHAIRMAN, CEO, PRESIDENT

Executive Director
50,000 +0.7%
14.12
706,150 USD
50,000 +0.7% 14.12 706,150 USD
2021-06-21 2021-06-18 S Sale

Walker John B

Non-Executive Director Large shareholder
7,600,000 -24.8%
14.35
109,060,000 USD
7,600,000 -24.8% 14.35 109,060,000 USD
2021-06-21 2021-06-18 S Sale

EnerVest, Ltd.

Non-Executive Director Large shareholder
7,600,000 -24.8%
14.35
109,060,000 USD
7,600,000 -24.8% 14.35 109,060,000 USD
2021-03-09 2021-03-05 S Sale

Walker John B

Non-Executive Director Large shareholder
19,550,000 -39.9%
10.16
198,555,665 USD
19,550,000 -39.9% 10.16 198,555,665 USD
2021-03-09 2021-03-05 S Sale

EnerVest, Ltd.

Non-Executive Director Large shareholder
19,550,000 -39.9%
10.16
198,555,665 USD
19,550,000 -39.9% 10.16 198,555,665 USD
2020-11-23 2020-11-19 B Purchase

CHAZEN STEPHEN I

Chairman, President & CEO

Executive Director
40,000 +0.6%
5.77
230,924 USD
40,000 +0.6% 5.77 230,924 USD
2020-09-23 2020-09-22 B Purchase

CHAZEN STEPHEN I

Chairman, President & CEO

Executive Director
35,000 +0.5%
5.59
195,748 USD
35,000 +0.5% 5.59 195,748 USD
2020-06-26 2020-06-26 B Purchase

CHAZEN STEPHEN I

Chairman, President & CEO

Executive Director
10,000 +0.1%
5.53
55,250 USD
10,000 +0.1% 5.53 55,250 USD
2020-06-26 2020-06-25 B Purchase

CHAZEN STEPHEN I

Chairman, President & CEO

Executive Director
14,700 +0.2%
5.63
82,737 USD
14,700 +0.2% 5.63 82,737 USD
2020-06-26 2020-06-24 B Purchase

CHAZEN STEPHEN I

Chairman, President & CEO

Executive Director
300 +0.0%
5.58
1,674 USD
300 +0.0% 5.58 1,674 USD
2020-06-23 2020-06-23 B Purchase

CHAZEN STEPHEN I

Chairman, President & CEO

Executive Director
15,000 +0.2%
5.95
89,250 USD
15,000 +0.2% 5.95 89,250 USD
2020-06-23 2020-06-19 B Purchase

CHAZEN STEPHEN I

Chairman, President & CEO

Executive Director
35,000 +0.5%
5.90
206,651 USD
35,000 +0.5% 5.90 206,651 USD
2020-03-09 2020-03-06 B Purchase

Busch Angela M

Non-Executive Director
7,500 +20.3%
6.43
48,248 USD
7,500 +20.3% 6.43 48,248 USD
2020-03-09 2020-03-05 B Purchase

Busch Angela M

Non-Executive Director
5,000 +15.6%
7.13
35,625 USD
5,000 +15.6% 7.13 35,625 USD
2020-03-02 2020-02-27 B Purchase

Busch Angela M

Non-Executive Director
10,000 +45.5%
7.15
71,500 USD
10,000 +45.5% 7.15 71,500 USD
2020-02-27 2020-02-26 B Purchase

LARSON JAMES R

Non-Executive Director
650 +2.8%
7.74
5,031 USD
650 +2.8% 7.74 5,031 USD
2020-02-25 2020-02-25 B Purchase

CHAZEN STEPHEN I

Chairman, President & CEO

Executive Director
136,000 +2.0%
7.64
1,039,434 USD
136,000 +2.0% 7.64 1,039,434 USD
2020-02-25 2020-02-24 B Purchase

CHAZEN STEPHEN I

Chairman, President & CEO

Executive Director
65,000 +1.0%
8.11
526,968 USD
65,000 +1.0% 8.11 526,968 USD
2019-12-18 2019-12-18 PS Planned sale

MacDougall Michael G.

Non-Executive Director
37,779 -2.0%
12.48
471,501 USD
37,779 -2.0% 12.48 471,501 USD
2019-12-18 2019-12-17 PS Planned sale

MacDougall Michael G.

Non-Executive Director
50,000 -2.6%
12.47
623,625 USD
50,000 -2.6% 12.47 623,625 USD
2019-12-18 2019-12-16 PS Planned sale

MacDougall Michael G.

Non-Executive Director
50,000 -2.5%
12.26
612,845 USD
50,000 -2.5% 12.26 612,845 USD
2019-12-13 2019-12-13 PS Planned sale

MacDougall Michael G.

Non-Executive Director
12,221 -0.6%
12.06
147,342 USD
12,221 -0.6% 12.06 147,342 USD
2019-12-13 2019-12-12 PS Planned sale

MacDougall Michael G.

Non-Executive Director
50,000 -2.4%
12.06
602,825 USD
50,000 -2.4% 12.06 602,825 USD
2019-12-13 2019-12-11 PS Planned sale

MacDougall Michael G.

Non-Executive Director
3,174 -0.2%
11.81
37,472 USD
3,174 -0.2% 11.81 37,472 USD
2019-12-10 2019-12-10 PS Planned sale

MacDougall Michael G.

Non-Executive Director
50,000 -2.4%
11.74
587,245 USD
50,000 -2.4% 11.74 587,245 USD
2019-12-10 2019-12-09 PS Planned sale

MacDougall Michael G.

Non-Executive Director
50,000 -2.3%
11.64
582,195 USD
50,000 -2.3% 11.64 582,195 USD
2019-12-10 2019-12-06 PS Planned sale

MacDougall Michael G.

Non-Executive Director
50,000 -2.3%
11.49
574,280 USD
50,000 -2.3% 11.49 574,280 USD
2019-12-05 2019-12-05 PS Planned sale

MacDougall Michael G.

Non-Executive Director
50,000 -2.2%
11.20
559,930 USD
50,000 -2.2% 11.20 559,930 USD
2019-12-05 2019-12-04 PS Planned sale

MacDougall Michael G.

Non-Executive Director
50,000 -2.2%
11.33
566,410 USD
50,000 -2.2% 11.33 566,410 USD
2019-12-05 2019-12-03 PS Planned sale

MacDougall Michael G.

Non-Executive Director
50,000 -2.1%
11.04
552,050 USD
50,000 -2.1% 11.04 552,050 USD
2019-12-02 2019-12-02 PS Planned sale

MacDougall Michael G.

Non-Executive Director
50,000 -2.1%
11.15
557,285 USD
50,000 -2.1% 11.15 557,285 USD
2019-12-02 2019-11-29 PS Planned sale

MacDougall Michael G.

Non-Executive Director
49,326 -2.0%
10.91
538,260 USD
49,326 -2.0% 10.91 538,260 USD
2019-12-02 2019-11-27 PS Planned sale

MacDougall Michael G.

Non-Executive Director
47,500 -1.9%
11.32
537,923 USD
47,500 -1.9% 11.32 537,923 USD
2019-11-26 2019-11-26 PS Planned sale

MacDougall Michael G.

Non-Executive Director
50,000 -2.0%
11.45
572,475 USD
50,000 -2.0% 11.45 572,475 USD
2019-11-26 2019-11-25 PS Planned sale

MacDougall Michael G.

Non-Executive Director
50,000 -1.9%
11.61
580,465 USD
50,000 -1.9% 11.61 580,465 USD
2019-11-25 2019-11-22 PS Planned sale

MacDougall Michael G.

Non-Executive Director
50,000 -1.9%
11.52
575,860 USD
50,000 -1.9% 11.52 575,860 USD
2019-11-25 2019-11-21 PS Planned sale

MacDougall Michael G.

Non-Executive Director
50,000 -1.8%
11.57
578,725 USD
50,000 -1.8% 11.57 578,725 USD
2019-11-20 2019-11-20 PS Planned sale

MacDougall Michael G.

50,000 -1.8%
11.42
570,905 USD
50,000 -1.8% 11.42 570,905 USD
2019-11-20 2019-11-19 PS Planned sale

MacDougall Michael G.

50,000 -1.8%
11.23
561,655 USD
50,000 -1.8% 11.23 561,655 USD
2019-11-20 2019-11-18 PS Planned sale

MacDougall Michael G.

50,000 -1.8%
11.47
573,505 USD
50,000 -1.8% 11.47 573,505 USD
2019-08-28 2019-08-27 B Purchase

LARSON JAMES R

Non-Executive Director
500 +2.2%
9.96
4,979 USD
500 +2.2% 9.96 4,979 USD
2019-08-12 2019-08-09 B Purchase

CHAZEN STEPHEN I

Chairman, President & CEO

Executive Director
25,000 +0.4%
10.22
255,425 USD
25,000 +0.4% 10.22 255,425 USD
2019-03-07 2019-03-06 B Purchase

CHAZEN STEPHEN I

Chairman, President & CEO

Executive Director
25,000 +0.4%
12.31
307,738 USD
25,000 +0.4% 12.31 307,738 USD
2019-03-07 2019-03-05 B Purchase

LARSON JAMES R

Non-Executive Director
400 +3.6%
12.77
5,107 USD
400 +3.6% 12.77 5,107 USD
2018-12-17 2018-12-14 B Purchase

CHAZEN STEPHEN I

Chairman, President & CEO

Executive Director
45,000
0.00
0 USD
45,000 0.00 0 USD
2018-12-17 2018-12-14 B Purchase

Yang Timothy D.

EVP - General Counsel & Sec

Officer
20,000 +20.0%
11.17
223,400 USD
20,000 +20.0% 11.17 223,400 USD
2018-12-17 2018-12-13 B Purchase

CHAZEN STEPHEN I

Chairman, President & CEO

Executive Director
20,000
0.00
0 USD
20,000 0.00 0 USD
2018-09-17 2018-09-13 B Purchase

CHAZEN STEPHEN I

Chairman, President & CEO

Executive Director
10,000 +0.6%
13.94
139,400 USD
10,000 +0.6% 13.94 139,400 USD
2018-09-12 2018-09-12 B Purchase

Walker John B

Non-Executive Director Large shareholder
50,000 +45.5%
14.00
700,000 USD
50,000 +45.5% 14.00 700,000 USD
2018-09-12 2018-09-11 B Purchase

Walker John B

Non-Executive Director Large shareholder
40,000 +57.1%
13.76
550,400 USD
40,000 +57.1% 13.76 550,400 USD
2018-09-11 2018-09-11 B Purchase

CHAZEN STEPHEN I

Chairman, President & CEO

Executive Director
21,805
0.00
0 USD
21,805 0.00 0 USD
2018-09-12 2018-09-10 B Purchase

Walker John B

Non-Executive Director Large shareholder
70,000 +inf%
13.59
951,300 USD
70,000 +inf% 13.59 951,300 USD
2018-09-11 2018-09-10 B Purchase

CHAZEN STEPHEN I

Chairman, President & CEO

Executive Director
47 +0.0%
13.40
630 USD
47 +0.0% 13.40 630 USD
2018-09-11 2018-09-07 B Purchase

CHAZEN STEPHEN I

Chairman, President & CEO

Executive Director
31,031
0.00
0 USD
31,031 0.00 0 USD
2018-09-10 2018-09-07 B Purchase

Stavros Christopher G

Executive VP, CFO & Secretary

Officer
10,000 +8.8%
13.59
135,900 USD
10,000 +8.8% 13.59 135,900 USD
2018-08-31 2018-08-31 B Purchase

Acosta Arcilia

Non-Executive Director
3,600 +5.5%
13.90
50,040 USD
3,600 +5.5% 13.90 50,040 USD
2018-08-31 2018-08-31 B Purchase

Chase Valerie

VP - CAO & Controller

Officer
1,500 +13.6%
13.79
20,685 USD
1,500 +13.6% 13.79 20,685 USD
2018-08-31 2018-08-30 B Purchase

Acosta Arcilia

Non-Executive Director
14,350 +28.1%
13.91
199,537 USD
14,350 +28.1% 13.91 199,537 USD
2017-08-25 2017-08-24 B Purchase

CHAZEN STEPHEN I

President & CEO

Executive Director
15,000 +10.4%
9.80
147,000 USD
15,000 +10.4% 9.80 147,000 USD
2017-08-25 2017-08-23 B Purchase

CHAZEN STEPHEN I

President & CEO

Executive Director
14,000
0.00
0 USD
14,000 0.00 0 USD