| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| GPX | Director | Oct 14, 2021 | Option Exercise | $20.85 | 3,639,367 | 75,880,803 | 0 | Oct 18, 2021, 03:21 PM |
| GPX | Director | Oct 14, 2021 | Option Exercise | $20.85 | 22,032 | 459,367 | 0 | Oct 18, 2021, 03:21 PM |
| GPX | Director | Nov 08, 2016 | Buy | $25.00 | 2,130 | 53,250 | 3,638,596 | Nov 10, 2016, 04:43 PM |
| GPX | Director | Nov 09, 2016 | Buy | $24.78 | 771 | 19,107 | 3,639,367 | Nov 10, 2016, 04:43 PM |
| GPX | Director | Nov 04, 2016 | Buy | $25.00 | 1,840 | 46,000 | 3,636,466 | Nov 08, 2016, 04:16 PM |
| GPX | Director | Nov 03, 2016 | Buy | $24.85 | 1,840 | 45,727 | 3,634,626 | Nov 04, 2016, 04:09 PM |
| GPX | Director | Nov 02, 2016 | Buy | $24.78 | 1,840 | 45,594 | 3,632,786 | Nov 04, 2016, 04:09 PM |
| GPX | Director | Oct 31, 2016 | Buy | $25.00 | 180 | 4,500 | 3,630,946 | Nov 02, 2016, 04:32 PM |
| GPX | Director | Oct 27, 2016 | Buy | $25.00 | 1,950 | 48,750 | 3,628,816 | Oct 31, 2016, 04:31 PM |
| GPX | Director | Oct 28, 2016 | Buy | $25.00 | 1,950 | 48,750 | 3,630,766 | Oct 31, 2016, 04:31 PM |
| GPX | Director | Oct 26, 2016 | Buy | $24.82 | 500 | 12,410 | 3,626,866 | Oct 27, 2016, 04:06 PM |
| GPX | Director | Oct 25, 2016 | Buy | $24.96 | 1,950 | 48,673 | 3,626,366 | Oct 27, 2016, 04:06 PM |
| GPX | Director | Oct 24, 2016 | Buy | $25.00 | 1,950 | 48,750 | 3,624,416 | Oct 25, 2016, 04:21 PM |
| GPX | Director | Oct 21, 2016 | Buy | $24.47 | 2,072 | 50,708 | 3,622,466 | Oct 25, 2016, 04:21 PM |
| GPX | Director | Oct 20, 2016 | Buy | $24.85 | 2,072 | 51,489 | 3,620,394 | Oct 21, 2016, 04:16 PM |
| GPX | Director | Oct 19, 2016 | Buy | $24.49 | 2,072 | 50,739 | 3,618,322 | Oct 21, 2016, 04:16 PM |
| GPX | Director | Oct 18, 2016 | Buy | $24.32 | 2,072 | 50,390 | 3,616,250 | Oct 19, 2016, 04:15 PM |
| GPX | Director | Oct 17, 2016 | Buy | $24.18 | 2,072 | 50,096 | 3,614,178 | Oct 19, 2016, 04:15 PM |
| GPX | Director | Oct 13, 2016 | Buy | $24.19 | 2,885 | 69,779 | 3,609,221 | Oct 17, 2016, 04:16 PM |
| GPX | Director | Oct 14, 2016 | Buy | $24.02 | 2,885 | 69,296 | 3,612,106 | Oct 17, 2016, 04:16 PM |
| GPX | Director | Oct 12, 2016 | Buy | $24.59 | 2,885 | 70,934 | 3,606,336 | Oct 13, 2016, 04:46 PM |
| GPX | Director | Oct 11, 2016 | Buy | $24.90 | 2,885 | 71,836 | 3,603,451 | Oct 13, 2016, 04:46 PM |
| GPX | Director | Oct 10, 2016 | Buy | $24.85 | 2,885 | 71,681 | 3,600,566 | Oct 11, 2016, 04:29 PM |
| GPX | Director | Oct 07, 2016 | Buy | $24.47 | 3,407 | 83,369 | 3,597,681 | Oct 11, 2016, 04:29 PM |
| GPX | Director | Oct 06, 2016 | Buy | $24.61 | 3,407 | 83,852 | 3,594,274 | Oct 11, 2016, 04:29 PM |
| GPX | Director | Oct 05, 2016 | Buy | $24.81 | 3,407 | 84,529 | 3,590,867 | Oct 06, 2016, 04:25 PM |
| GPX | Director | Oct 04, 2016 | Buy | $24.51 | 3,407 | 83,495 | 3,587,460 | Oct 06, 2016, 04:25 PM |
| GPX | Director | Oct 03, 2016 | Buy | $24.76 | 3,407 | 84,367 | 3,584,053 | Oct 04, 2016, 04:07 PM |
| GPX | Director | Sep 30, 2016 | Buy | $24.77 | 3,881 | 96,151 | 3,580,646 | Oct 04, 2016, 04:07 PM |
| GPX | Director | Sep 28, 2016 | Buy | $24.63 | 3,881 | 95,592 | 3,572,634 | Sep 30, 2016, 04:10 PM |
| GPX | Director | Sep 29, 2016 | Buy | $24.70 | 3,881 | 95,860 | 3,576,515 | Sep 30, 2016, 04:10 PM |
| GPX | Director | Sep 27, 2016 | Buy | $24.64 | 3,881 | 95,633 | 3,568,753 | Sep 28, 2016, 05:04 PM |
| GPX | Director | Sep 26, 2016 | Buy | $24.80 | 3,881 | 96,264 | 3,564,872 | Sep 28, 2016, 05:04 PM |
| GPX | Director | Sep 22, 2016 | Buy | $25.00 | 1,100 | 27,500 | 3,560,991 | Sep 26, 2016, 05:22 PM |
| GPX | Director | Sep 20, 2016 | Buy | $25.00 | 4,494 | 112,350 | 3,555,397 | Sep 22, 2016, 04:26 PM |
| GPX | Director | Sep 21, 2016 | Buy | $24.98 | 4,494 | 112,251 | 3,559,891 | Sep 22, 2016, 04:26 PM |
| GPX | Director | Sep 19, 2016 | Buy | $25.00 | 1,050 | 26,250 | 3,550,903 | Sep 20, 2016, 04:22 PM |
| GPX | Director | Sep 16, 2016 | Buy | $25.00 | 4,707 | 117,675 | 3,549,853 | Sep 20, 2016, 04:22 PM |
| GPX | Director | Sep 15, 2016 | Buy | $24.96 | 4,707 | 117,489 | 3,545,146 | Sep 16, 2016, 04:40 PM |
| GPX | Director | Sep 14, 2016 | Buy | $24.58 | 4,707 | 115,711 | 3,540,439 | Sep 16, 2016, 04:40 PM |
| GPX | Director | Sep 12, 2016 | Buy | $24.27 | 4,707 | 114,235 | 3,531,025 | Sep 14, 2016, 04:00 PM |
| GPX | Director | Sep 13, 2016 | Buy | $24.63 | 4,707 | 115,947 | 3,535,732 | Sep 14, 2016, 04:00 PM |
| GPX | Director | Sep 09, 2016 | Buy | $24.50 | 4,647 | 113,853 | 3,526,318 | Sep 12, 2016, 04:35 PM |
| GPX | Director | Sep 08, 2016 | Buy | $24.44 | 4,647 | 113,558 | 3,521,671 | Sep 12, 2016, 04:35 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| GPX | Director | Oct 14, 2021 | Option Exercise | 75,880,803 |
| GPX | Director | Oct 14, 2021 | Option Exercise | 459,367 |
| GPX | Director | Nov 08, 2016 | Buy | 53,250 |
| GPX | Director | Nov 09, 2016 | Buy | 19,107 |
| GPX | Director | Nov 04, 2016 | Buy | 46,000 |
| GPX | Director | Nov 03, 2016 | Buy | 45,727 |
| GPX | Director | Nov 02, 2016 | Buy | 45,594 |
| GPX | Director | Oct 31, 2016 | Buy | 4,500 |
| GPX | Director | Oct 27, 2016 | Buy | 48,750 |
| GPX | Director | Oct 28, 2016 | Buy | 48,750 |
| GPX | Director | Oct 26, 2016 | Buy | 12,410 |
| GPX | Director | Oct 25, 2016 | Buy | 48,673 |
| GPX | Director | Oct 24, 2016 | Buy | 48,750 |
| GPX | Director | Oct 21, 2016 | Buy | 50,708 |
| GPX | Director | Oct 20, 2016 | Buy | 51,489 |
| GPX | Director | Oct 19, 2016 | Buy | 50,739 |
| GPX | Director | Oct 18, 2016 | Buy | 50,390 |
| GPX | Director | Oct 17, 2016 | Buy | 50,096 |
| GPX | Director | Oct 13, 2016 | Buy | 69,779 |
| GPX | Director | Oct 14, 2016 | Buy | 69,296 |
| GPX | Director | Oct 12, 2016 | Buy | 70,934 |
| GPX | Director | Oct 11, 2016 | Buy | 71,836 |
| GPX | Director | Oct 10, 2016 | Buy | 71,681 |
| GPX | Director | Oct 07, 2016 | Buy | 83,369 |
| GPX | Director | Oct 06, 2016 | Buy | 83,852 |
| GPX | Director | Oct 05, 2016 | Buy | 84,529 |
| GPX | Director | Oct 04, 2016 | Buy | 83,495 |
| GPX | Director | Oct 03, 2016 | Buy | 84,367 |
| GPX | Director | Sep 30, 2016 | Buy | 96,151 |
| GPX | Director | Sep 28, 2016 | Buy | 95,592 |
| GPX | Director | Sep 29, 2016 | Buy | 95,860 |
| GPX | Director | Sep 27, 2016 | Buy | 95,633 |
| GPX | Director | Sep 26, 2016 | Buy | 96,264 |
| GPX | Director | Sep 22, 2016 | Buy | 27,500 |
| GPX | Director | Sep 20, 2016 | Buy | 112,350 |
| GPX | Director | Sep 21, 2016 | Buy | 112,251 |
| GPX | Director | Sep 19, 2016 | Buy | 26,250 |
| GPX | Director | Sep 16, 2016 | Buy | 117,675 |
| GPX | Director | Sep 15, 2016 | Buy | 117,489 |
| GPX | Director | Sep 14, 2016 | Buy | 115,711 |
| GPX | Director | Sep 12, 2016 | Buy | 114,235 |
| GPX | Director | Sep 13, 2016 | Buy | 115,947 |
| GPX | Director | Sep 09, 2016 | Buy | 113,853 |
| GPX | Director | Sep 08, 2016 | Buy | 113,558 |