Mammoth Energy Services, Inc.

Lancaster Phillip bought 68,152 shares of TUSK on 26 June. They now own 159,445 TUSK shares.

Davidson Charles E bought 4,066,610 shares of TUSK on 17 June. They now own 4,066,610 TUSK shares.

Davidson Charles E bought 2,403,831 shares of TUSK on 17 June. They now own 2,403,831 TUSK shares.

Amron Arthur H bought 10,329 shares of TUSK on 17 June. They now own 10,329 TUSK shares.

Wexford Capital Lp bought 4,019,574 shares of TUSK on 17 June. They now own 10,620,789 TUSK shares.

Jacobi Paul M. bought 3,211 shares of TUSK on 17 June. They now own 31,067 TUSK shares.

Wexford Capital Lp bought 6,354,667 shares of TUSK on 17 June. They now own 6,601,215 TUSK shares.

Amron Arthur H bought 19,121 shares of TUSK on 17 June. They now own 86,256 TUSK shares.

Wexford Capital Lp bought 1,072,896 shares of TUSK on 17 June. They now own 1,451,034 TUSK shares.

Amron Arthur H bought 2,000 shares of TUSK on 12 June. They now own 67,135 TUSK shares.

Amron Arthur H bought 2,500 shares of TUSK on 11 June. They now own 65,135 TUSK shares.

Amron Arthur H bought 3,000 shares of TUSK on 28 May. They now own 62,635 TUSK shares.

Amron Arthur H bought 2,500 shares of TUSK on 26 May. They now own 59,635 TUSK shares.

Amron Arthur H bought 10,000 shares of TUSK on 11 December. They now own 57,135 TUSK shares.

Smith Arthur L sold 20,000 shares of TUSK on 22 May. They now own 130,034 TUSK shares.

Smith Arthur L sold 50,000 shares of TUSK on 20 May. They now own 150,034 TUSK shares.

Smith Arthur L sold 15,000 shares of TUSK on 19 May. They now own 200,034 TUSK shares.

Amron Arthur H bought 1,000 shares of TUSK on 12 December. They now own 47,135 TUSK shares.

Booker Corey J. sold 15,000 shares of TUSK on 25 November. They now own 125,488 TUSK shares.

Booker Corey J. sold 10,000 shares of TUSK on 22 November. They now own 140,488 TUSK shares.

Booker Corey J. sold 6,709 shares of TUSK on 21 November. They now own 150,488 TUSK shares.

Booker Corey J. sold 5,000 shares of TUSK on 20 November. They now own 157,197 TUSK shares.

Booker Corey J. sold 3,607 shares of TUSK on 14 November. They now own 162,197 TUSK shares.

Booker Corey J. sold 7,100 shares of TUSK on 13 November. They now own 165,804 TUSK shares.

Booker Corey J. sold 3,494 shares of TUSK on 11 November. They now own 172,904 TUSK shares.

Booker Corey J. sold 24 shares of TUSK on 8 November. They now own 176,398 TUSK shares.

Booker Corey J. sold 165 shares of TUSK on 7 November. They now own 176,422 TUSK shares.

Jacobi Paul M. bought 27,856 shares of TUSK on 12 June. They now own 27,856 TUSK shares.

Booker Corey J. bought 27,856 shares of TUSK on 12 June. They now own 176,587 TUSK shares.

Palm James D bought 27,856 shares of TUSK on 12 June. They now own 240,144 TUSK shares.

Amron Arthur H bought 27,856 shares of TUSK on 12 June. They now own 46,135 TUSK shares.

Smith Arthur L bought 27,856 shares of TUSK on 12 June. They now own 215,034 TUSK shares.

Amron Arthur H bought 3,000 shares of TUSK on 30 May. They now own 18,279 TUSK shares.

Amron Arthur H bought 2,000 shares of TUSK on 28 May. They now own 15,279 TUSK shares.

Wexford Capital Lp sold 535,366 shares of TUSK on 12 March. They now own 21,690,075 TUSK shares.

Amron Arthur H bought 3,000 shares of TUSK on 12 March. They now own 13,279 TUSK shares.

Straehla Arty sold 40,000 shares of TUSK on 19 December. They now own 1,012,107 TUSK shares.

Straehla Arty sold 30,000 shares of TUSK on 18 December. They now own 1,052,107 TUSK shares.

Straehla Arty sold 40,000 shares of TUSK on 15 December. They now own 1,082,107 TUSK shares.

Straehla Arty sold 55,000 shares of TUSK on 14 December. They now own 1,122,107 TUSK shares.

Straehla Arty sold 25,000 shares of TUSK on 13 December. They now own 1,177,107 TUSK shares.

Booker Corey J. bought 23,810 shares of TUSK on 7 June. They now own 148,731 TUSK shares.

Amron Arthur H bought 23,810 shares of TUSK on 7 June. They now own 23,810 TUSK shares.

Palm James D bought 23,810 shares of TUSK on 7 June. They now own 212,288 TUSK shares.

Smith Arthur L bought 23,810 shares of TUSK on 7 June. They now own 187,178 TUSK shares.

Jacobi Paul M. bought 23,810 shares of TUSK on 7 June. They now own 23,810 TUSK shares.

Straehla Arty sold 129,220 shares of TUSK on 3 March. They now own 1,202,107 TUSK shares.

Layton Mark E. sold 36,375 shares of TUSK on 3 March. They now own 418,985 TUSK shares.

Smith Arthur L sold 20,000 shares of TUSK on 11 November. They now own 163,368 TUSK shares.

Palm James D bought 45,662 shares of TUSK on 29 June. They now own 188,478 TUSK shares.

Amron Arthur H bought 45,662 shares of TUSK on 29 June. They now own 45,662 TUSK shares.

Booker Corey J. bought 45,662 shares of TUSK on 29 June. They now own 124,921 TUSK shares.

Smith Arthur L bought 45,662 shares of TUSK on 29 June. They now own 183,368 TUSK shares.

Jacobi Paul M. bought 45,662 shares of TUSK on 29 June. They now own 45,662 TUSK shares.

Wexford Capital Lp bought 10,382 shares of TUSK on 17 June. They now own 22,434,125 TUSK shares.

Jacobs Joseph bought 35,000 shares of TUSK on 16 June. They now own 22,423,743 TUSK shares.

Wexford Capital Lp bought 35,000 shares of TUSK on 16 June. They now own 22,423,743 TUSK shares.

Wexford Capital Lp bought 5,100 shares of TUSK on 15 June. They now own 22,388,743 TUSK shares.

Wexford Capital Lp bought 20,600 shares of TUSK on 14 June. They now own 22,383,643 TUSK shares.

Jacobs Joseph bought 5,100 shares of TUSK on 13 June. They now own 22,388,743 TUSK shares.

Wexford Capital Lp bought 25,102 shares of TUSK on 13 June. They now own 22,363,043 TUSK shares.

Wexford Capital Lp bought 54,779 shares of TUSK on 10 June. They now own 22,337,941 TUSK shares.

Wexford Capital Lp bought 27,489 shares of TUSK on 9 June. They now own 22,283,162 TUSK shares.

Jacobs Joseph bought 27,489 shares of TUSK on 8 June. They now own 22,283,162 TUSK shares.

Wexford Capital Lp bought 15,500 shares of TUSK on 8 June. They now own 22,255,673 TUSK shares.

Layton Mark E. sold 40,417 shares of TUSK on 10 March. They now own 455,360 TUSK shares.

Smith Arthur L bought 0 shares of TUSK on 31 December. They now own 0 TUSK shares.

Smith Arthur L bought 25,000 shares of TUSK on 13 December. They now own 180,326 TUSK shares.

Gpor Distribution Trust sold 0 shares of TUSK on 30 June. They now own 9,829,548 TUSK shares.

Smith Arthur L bought 25,641 shares of TUSK on 2 June. They now own 155,326 TUSK shares.

Amron Arthur H bought 25,641 shares of TUSK on 2 June. They now own 25,641 TUSK shares.

Booker Corey J. bought 25,641 shares of TUSK on 2 June. They now own 79,259 TUSK shares.

Palm James D bought 25,641 shares of TUSK on 2 June. They now own 142,816 TUSK shares.

Jacobi Paul M. bought 25,641 shares of TUSK on 2 June. They now own 25,641 TUSK shares.

Layton Mark E. sold 55,789 shares of TUSK on 11 March. They now own 495,777 TUSK shares.

Straehla Arty sold 102,435 shares of TUSK on 10 March. They now own 1,331,327 TUSK shares.

Straehla Arty sold 46,555 shares of TUSK on 9 March. They now own 1,433,762 TUSK shares.

Straehla Arty sold 5,000 shares of TUSK on 10 November. They now own 1,480,317 TUSK shares.

Smith Arthur L bought 20,000 shares of TUSK on 4 September. They now own 129,685 TUSK shares.

Booker Corey J. bought 53,618 shares of TUSK on 17 August. They now own 53,618 TUSK shares.

Booker Corey J. bought 0 shares of TUSK on 17 August. They now own 0 TUSK shares.

Smith Arthur L bought 86,957 shares of TUSK on 2 July. They now own 109,685 TUSK shares.

Jacobi Paul M. bought 0 shares of TUSK on 2 July. They now own 0 TUSK shares.

Palm James D bought 86,957 shares of TUSK on 2 July. They now own 117,175 TUSK shares.

Amron Arthur H bought 86,957 shares of TUSK on 2 July. They now own 86,957 TUSK shares.

Jacobi Paul M. bought 86,957 shares of TUSK on 2 July. They now own 86,957 TUSK shares.

Straehla Arty bought 1,300,000 shares of TUSK on 3 March. They now own 1,485,317 TUSK shares.

Layton Mark E. bought 500,000 shares of TUSK on 3 March. They now own 551,566 TUSK shares.

Ross Matthew sold 2,913 shares of TUSK on 21 November. They now own 19,815 TUSK shares.

Wexford Capital Lp bought 16,692 shares of TUSK on 20 November. They now own 22,045,273 TUSK shares.

Yellen Jonathan H bought 0 shares of TUSK on 18 November. They now own 0 TUSK shares.

Yellen Jonathan H bought 36,674 shares of TUSK on 18 November. They now own 36,674 TUSK shares.

Wexford Capital Lp bought 35,904 shares of TUSK on 13 November. They now own 22,028,581 TUSK shares.

Palm James D bought 10,493 shares of TUSK on 5 June. They now own 30,218 TUSK shares.

Amron Arthur H bought 10,493 shares of TUSK on 5 June. They now own 10,493 TUSK shares.

Smith Arthur L bought 10,493 shares of TUSK on 5 June. They now own 22,728 TUSK shares.

Mccarthy Marc T bought 10,493 shares of TUSK on 5 June. They now own 10,493 TUSK shares.

Ross Matthew bought 10,493 shares of TUSK on 5 June. They now own 22,728 TUSK shares.

Heerwagen Paul K Iv bought 10,493 shares of TUSK on 5 June. They now own 10,493 TUSK shares.

Amron Arthur H bought 1,549 shares of TUSK on 25 January. They now own 1,549 TUSK shares.

Amron Arthur H bought 0 shares of TUSK on 25 January. They now own 0 TUSK shares.

Smith Arthur L sold 6,000 shares of TUSK on 3 December. They now own 0 TUSK shares.

Straehla Arty sold 2,230 shares of TUSK on 12 November. They now own 185,317 TUSK shares.

Layton Mark E. sold 142 shares of TUSK on 9 November. They now own 51,566 TUSK shares.

Straehla Arty sold 25,151 shares of TUSK on 8 November. They now own 199,007 TUSK shares.

Straehla Arty sold 11,460 shares of TUSK on 8 November. They now own 187,547 TUSK shares.

Layton Mark E. sold 994 shares of TUSK on 8 November. They now own 51,708 TUSK shares.

Gulfport Energy Corp sold 118,974 shares of TUSK on 30 July. They now own 9,829,548 TUSK shares.

Laforge Rusty Neal sold 0 shares of TUSK on 30 July. They now own 20,000 TUSK shares.

Meh Sub Llc sold 266,026 shares of TUSK on 30 July. They now own 21,978,893 TUSK shares.

Gulfport Energy Corp sold 1,235,600 shares of TUSK on 29 June. They now own 9,948,522 TUSK shares.

Meh Sub Llc sold 2,764,400 shares of TUSK on 29 June. They now own 22,244,919 TUSK shares.

Palm James D bought 2,655 shares of TUSK on 7 June. They now own 19,725 TUSK shares.

Mccarthy Marc T bought 2,655 shares of TUSK on 7 June. They now own 2,655 TUSK shares.

Smith Arthur L bought 2,655 shares of TUSK on 7 June. They now own 12,235 TUSK shares.

Ross Matthew bought 2,655 shares of TUSK on 7 June. They now own 12,235 TUSK shares.

Heerwagen Paul K Iv bought 2,655 shares of TUSK on 7 June. They now own 2,655 TUSK shares.

Layton Mark E. sold 4,373 shares of TUSK on 1 March. They now own 52,702 TUSK shares.

Ross Matthew bought 2,913 shares of TUSK on 2 February. They now own 9,580 TUSK shares.

Mccarthy Marc T bought 2,913 shares of TUSK on 2 February. They now own 2,913 TUSK shares.

Palm James D bought 4,370 shares of TUSK on 2 February. They now own 17,070 TUSK shares.

Smith Arthur L bought 2,913 shares of TUSK on 2 February. They now own 9,580 TUSK shares.

Heerwagen Paul K Iv bought 2,913 shares of TUSK on 2 February. They now own 2,913 TUSK shares.

Straehla Arty sold 7,553 shares of TUSK on 15 November. They now own 224,158 TUSK shares.

Straehla Arty sold 18,289 shares of TUSK on 14 November. They now own 231,711 TUSK shares.

Layton Mark E. sold 925 shares of TUSK on 14 November. They now own 57,075 TUSK shares.

Palm James D bought 2,000 shares of TUSK on 25 August. They now own 12,700 TUSK shares.

Palm James D bought 4,000 shares of TUSK on 24 August. They now own 10,700 TUSK shares.

Palm James D sold 0 shares of TUSK on 26 June. They now own 6,700 TUSK shares.

Smith Arthur L bought 6,000 shares of TUSK on 9 June. They now own 6,000 TUSK shares.

Meh Sub Llc bought 4,565,416 shares of TUSK on 8 June. They now own 25,009,319 TUSK shares.

Gulfport Energy Corp bought 0 shares of TUSK on 5 June. They now own 0 TUSK shares.

Straehla Arty bought 460 shares of TUSK on 28 February. They now own 460 TUSK shares.

Layton Mark E. bought 40,000 shares of TUSK on 21 February. They now own 58,000 TUSK shares.

Heerwagen Paul K Iv bought 0 shares of TUSK on 9 January. They now own 0 TUSK shares.

Ross Matthew bought 0 shares of TUSK on 7 November. They now own 0 TUSK shares.

Ross Matthew bought 6,667 shares of TUSK on 7 November. They now own 6,667 TUSK shares.

Straehla Arty bought 666 shares of TUSK on 19 October. They now own 666 TUSK shares.

Layton Mark E. bought 15,000 shares of TUSK on 19 October. They now own 18,000 TUSK shares.

Gulfport Energy Corp sold 76,250 shares of TUSK on 19 October. They now own 9,080,417 TUSK shares.

Smith Arthur L bought 6,667 shares of TUSK on 19 October. They now own 6,667 TUSK shares.

Mccarthy Marc T bought 6,667 shares of TUSK on 19 October. They now own 6,667 TUSK shares.

Weiss Andre bought 6,667 shares of TUSK on 19 October. They now own 6,667 TUSK shares.

Straehla Arty bought 666 shares of TUSK on 19 October. They now own 1,332 TUSK shares.

Layton Mark E. bought 3,000 shares of TUSK on 19 October. They now own 3,000 TUSK shares.

Gaydosik Aaron bought 6,667 shares of TUSK on 19 October. They now own 6,667 TUSK shares.

Straehla Arty bought 250,000 shares of TUSK on 19 October. They now own 251,332 TUSK shares.

Mammoth Energy Holdings Llc sold 171,797 shares of TUSK on 19 October. They now own 20,445,923 TUSK shares.

Gaydosik Aaron bought 0 shares of TUSK on 13 October. They now own 0 TUSK shares.

Gulfport Energy Corp sold 0 shares of TUSK on 13 October. They now own 9,150,000 TUSK shares.

Straehla Arty bought 0 shares of TUSK on 13 October. They now own 0 TUSK shares.

Mammoth Energy Holdings Llc sold 0 shares of TUSK on 13 October. They now own 20,615,700 TUSK shares.

Weiss Andre bought 0 shares of TUSK on 13 October. They now own 0 TUSK shares.

Mccarthy Marc T bought 0 shares of TUSK on 13 October. They now own 0 TUSK shares.

Smith Arthur L bought 0 shares of TUSK on 13 October. They now own 0 TUSK shares.

Layton Mark E. bought 0 shares of TUSK on 13 October. They now own 0 TUSK shares.

Heerwagen Paul K Iv bought 4,444 shares of TUSK on 9 January. They now own 4,444 TUSK shares.