| Trade Date | Insider | Title | Buy or Sell | Quantity | Security Type | Price | Proceeds | Transaction Conviction | Position Quantity | Position Value | Positon Conviction | SEC Link | Nature of Ownership | 2020-11-10 | Todd A. Stevens | President and CEO | Buy | 2,500 | Common Stock | $12.36 | -$30,900.00 | 0.30 [ Average ] | 2,500 | $30,900.00 | 0.30 [Very Low] | Form 4 | - | 2020-12-04 | Goldentree Asset Management Lp | - | Sell | 90,692 | Common Stock, par value $0.01 per share ("Common Stock") | $27.03 | $2,451,404.76 | 10.88 [ Very High ] | 19,316,569 | $522,126,860.07 | 2,318.36 [Very High] | Form 4 | See footnotes | 2020-12-14 | Goldentree Asset Management Lp | - | Sell | 120,000 | Common Stock, par value $0.01 per share ("Common Stock") | $18.54 | $2,224,800.00 | 14.40 [ Very High ] | 19,316,569 | $358,129,189.26 | 2,318.36 [Very High] | Form 4 | See footnotes | 2020-12-14 | Goldentree Asset Management Lp | - | Buy | 120,000 | Common Stock | $18.54 | -$2,224,800.00 | 14.40 [ Very High ] | 19,316,569 | $358,129,189.26 | 2,318.36 [Very High] | Form 4 | See footnotes | 2021-01-06 | Goldentree Asset Management Lp | - | Sell | 18,625 | Common Stock, par value $0.01 per share ("Common Stock") | $25.14 | $468,232.50 | 2.24 [ High ] | 19,299,337 | $485,185,332.18 | 2,316.29 [Very High] | Form 4 | See footnotes | 2021-01-07 | Goldentree Asset Management Lp | - | Sell | 14,500 | Common Stock | $25.06 | $363,370.00 | 1.74 [ High ] | 19,284,837 | $483,278,015.22 | 2,314.55 [Very High] | Form 4 | See footnotes | 2021-01-08 | Goldentree Asset Management Lp | - | Sell | 3,700 | Common Stock | $25.03 | $92,611.00 | 0.44 [ Average ] | 19,281,137 | $482,606,859.11 | 2,314.11 [Very High] | Form 4 | See footnotes | 2021-01-11 | Goldentree Asset Management Lp | - | Sell | 2,100 | Common Stock, par value $0.01 per share ("Common Stock") | $25.02 | $52,542.00 | 0.25 [ Low ] | 19,279,037 | $482,361,505.74 | 2,313.85 [Very High] | Form 4 | See footnotes | 2021-01-19 | Goldentree Asset Management Lp | - | Sell | 6,542 | Common Stock, par value $0.01 per share ("Common Stock") | $24.97 | $163,353.74 | 0.79 [ Average ] | 19,272,494 | $481,234,175.18 | 2,313.07 [Very High] | Form 4 | See footnotes | 2021-01-25 | James N Chapman | - | Buy | 32,711 | Common Stock | $0.00 | $0.00 | - | 32,711 | $0.00 | 3.93 [Low] | Form 4 | - | 2021-01-25 | Julio M Quintana | - | Buy | 32,711 | Common Stock | $0.00 | $0.00 | - | 32,711 | $0.00 | 3.93 [Low] | Form 4 | - | 2021-01-25 | Tiffany Thom Cepak | - | Buy | 32,711 | Common Stock | $0.00 | $0.00 | - | 32,711 | $0.00 | 3.93 [Low] | Form 4 | - | 2021-01-25 | Douglas E Brooks | - | Buy | 32,711 | Common Stock | $0.00 | $0.00 | - | 32,711 | $0.00 | 3.93 [Low] | Form 4 | - | 2021-01-25 | Mark Allen Mcfarland | Interim Chief Exec Officer | Buy | 61,333 | Common Stock | $0.00 | $0.00 | - | 61,333 | $0.00 | 7.36 [Average] | Form 4 | - | 2021-01-25 | William B Roby | - | Buy | 32,711 | Common Stock | $0.00 | $0.00 | - | 32,711 | $0.00 | 3.93 [Low] | Form 4 | - | 2021-01-25 | Brian Steck | - | Buy | 32,711 | Common Stock | $0.00 | $0.00 | - | 32,711 | $0.00 | 3.93 [Low] | Form 4 | - | 2021-01-25 | Francisco Leon | EVP and CFO | Buy | 83,123 | Common Stock | $0.00 | $0.00 | - | 83,123 | $0.00 | 9.98 [Average] | Form 4 | - | 2021-01-25 | Shawn M. Kerns | EVP - Operations & Engineering | Buy | 83,123 | Common Stock | $0.00 | $0.00 | - | 83,123 | $0.00 | 9.98 [Average] | Form 4 | - | 2021-01-25 | Michael L. Preston | Sr EVP, Chief Admin Ofcr & GC | Buy | 83,123 | Common Stock | $0.00 | $0.00 | - | 83,123 | $0.00 | 9.98 [Average] | Form 4 | - | 2021-01-25 | Noelle M. Repetti | Vice President and Controller | Buy | 17,947 | Common Stock | $0.00 | $0.00 | - | 17,947 | $0.00 | 2.15 [Low] | Form 4 | - |
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