Oil and Gas Field Services, Not Elsewhere Classified - Latest Activist Disclosures

This table shows recent activist investor (Schedule 13D) filings made in this industry. Any investor or hedge fund that makes an investment with the intention of influencing management is considered an activist investor and must file a 13D.

Date Form Target Company Investor Shares Ownership
(Percent)		 Ownership Change
(Percent)
2018-05-21 13D/A NESR / National Energy Services Reunited Corp. Olayan International Ltd 0 0.00
2018-05-19 13D/A NESR / National Energy Services Reunited Corp. Olayan International Ltd 0 0.00
2018-04-23 13D RCON / Recon Technology, Ltd. Guangqiang Chen 2,809,976 15.10
2018-04-23 13D RCON / Recon Technology, Ltd. Shenping Yin 2,812,844 15.20
2018-04-03 13D/A SEMG / EA Series Trust - Suncoast Select Growth ETF Harvest Fund Holdco L.p. 0 0.00
2018-02-14 13D TUSK / Mammoth Energy Services, Inc. Gulfport Energy Corp 11,176,332 25.10 23.14
2018-01-29 13D RCON / Recon Technology, Ltd. Bi Yongquan 3,000,000 16.40
2018-01-26 13D LBRT / Liberty Energy Inc. Riverstone/Carlyle Energy Partners IV, L.P. 51,041,245 43.20
2017-11-13 13D WTTR / Select Water Solutions, Inc. SCF Partners, Inc. 16,191,331 27.30
2017-11-06 13D/A SEMG / EA Series Trust - Suncoast Select Growth ETF Harvest Fund Advisors LLC 7,413,207 9.40 -1.46
2017-10-26 13D SEMG / EA Series Trust - Suncoast Select Growth ETF Harvest Fund Advisors LLC 7,523,170 9.60 114.86
2017-08-31 13D/A ENSV / Enservco Corporation Cross River Capital Management Llc 12,198,320 23.10 7.50
2017-08-28 13D RNGR / Ranger Energy Services, Inc. Leykum Charles S. 9,684,504 63.40
2017-07-06 13D/A ENSV / Enservco Corporation Cross River Capital Management Llc 11,346,919 21.50 23.00
2017-02-28 13D ENSV / Enservco Corporation Landhuis Leroy 4,732,319 9.27 0.00
2017-02-27 13D ENSV / Enservco Corporation Landhuis Leroy 4,732,319 9.27
2016-12-15 13D/A ENSV / Enservco Corporation Cross River Capital Management Llc 9,225,017 18.00 4.36
2016-08-24 13D/A FI / Fiserv, Inc. Mosing Holdings, Inc. 173,777,554 83.10 0.00
2016-08-23 13D/A FI / Fiserv, Inc. Mosing Holdings, Inc. 173,777,554 83.10 0.45
2016-01-22 13D/A ENSV / Enservco Corporation Cross River Capital Management Llc 8,840,017 23.20 0.00
2015-12-22 13D/A RES / RPC, Inc. Gamco Investors, Inc. Et Al 5,565,513 2.56
2015-11-25 13D ENSV / Enservco Corporation Cross River Capital Management Llc 8,840,017 23.20
2015-11-05 13D/A FI / Fiserv, Inc. Mosing Holdings, Inc. 173,007,594 83.10
2015-08-28 13D EMES / Harbor ETF Trust - Harbor Emerging Markets Select ETF Beneski Ted W 8,341,169 34.60
2015-08-19 13D/A CA:NOA / North American Construction Group Ltd. FrontFour Capital Group LLC 2,389,895 7.40
2015-08-07 13D/A ENSV / Enservco Corporation Herman Michael D 8,665,367 22.93
2015-01-20 13D/A CDVIQ / Cal Dive International, Inc. Cashman Equipment Corp
2015-01-14 13D/A ENSV / Enservco Corporation Herman Michael D 9,665,367 26.08
2015-01-06 13D CDVIQ / Cal Dive International, Inc. Cashman Equipment Corp
2014-12-18 13D/A ENSV / Enservco Corporation Herman Michael D 13,143,367 35.40
2014-12-11 13D/A RES / RPC, Inc. Rpc Inc 150,307,377 68.80
2013-11-15 13D/A ENSV / Enservco Corporation Herman Michael D 14,215,367 41.10
2013-10-21 13D/A ENSV / Enservco Corporation Herman Michael D 14,215,367 41.37
2013-10-04 13D/A ENSV / Enservco Corporation Herman Michael D 14,315,367 41.60
2013-08-23 13D FI / Fiserv, Inc. Mosing Holdings, Inc. 172,080,100 83.30
2013-02-19 13D/A ENSV / Enservco Corporation Herman Michael D 18,200,320 53.60
2013-01-25 13D/A RES / RPC, Inc. Rollins R Randall 148,904,674 67.60
2012-11-19 13D/A ENSV / Enservco Corporation Enservco Corp 19,400,320 57.40
2012-08-17 13D/A ENSV / Enservco Corporation Herman Michael D 13,067,320 60.00