| MGY | Walker John B | Director | Sep 23 '24 | Sale | 24.14 | 7,500,000 | 181,020,000 | 2,099,403 | Sep 25 12:00 AM |
| MGY | Walker John B | director, 10 percent owner: | May 14 '24 | Sale | 20.46 | 15,000,000 | 306,960,000 | 4,164,961 | May 15 12:00 AM |
| MGY | Walker John B | Director | Nov 08 '22 | Sale | 24.26 | 9,500,000 | 230,470,000 | 8,296,077 | Nov 08 12:00 AM |
| MGY | Walker John B | director, 10 percent owner: | Jun 06 '22 | Sale | 22.31 | 11,500,000 | 256,595,000 | 10,912,450 | Jun 06 12:00 AM |
| MGY | Walker John B | director, 10 percent owner: | Mar 14 '22 | Sale | 17.38 | 12,500,000 | 217,200,000 | 13,528,823 | Mar 14 12:00 AM |
| MGY | Walker John B | director, 10 percent owner: | Feb 03 '22 | Sale | 21.00 | 7,455,815 | 156,572,115 | 16,282,900 | Feb 07 12:00 AM |
| MGY | Walker John B | director, 10 percent owner: | Oct 07 '21 | Sale | 18.50 | 5,000,000 | 92,500,000 | 18,735,406 | Oct 12 12:00 AM |
| MGY | Walker John B | director, 10 percent owner: | Sep 28 '21 | Sale | 11.70 | 10,500,000 | 122,850,000 | 20,112,444 | Sep 30 12:00 AM |
| MGY | Walker John B | director, 10 percent owner: | Jun 18 '21 | Sale | 8.66 | 12,600,000 | 109,060,000 | 23,004,226 | Jun 21 12:00 AM |
| MGY | Walker John B | director, 10 percent owner: | Mar 05 '21 | Sale | 8.09 | 24,550,000 | 198,555,665 | 29,503,847 | Mar 09 12:00 AM |
| MGY | Walker John B | director, 10 percent owner: | Sep 12 '18 | Buy | 14.00 | 50,000 | 700,000 | 160,000 | Sep 12 12:00 AM |
| MGY | Walker John B | director, 10 percent owner: | Sep 11 '18 | Buy | 13.76 | 40,000 | 550,400 | 110,000 | Sep 12 12:00 AM |
| MGY | Walker John B | director, 10 percent owner: | Sep 10 '18 | Buy | 13.59 | 70,000 | 951,300 | 70,000 | Sep 12 12:00 AM |