Insider Trading activities of Mammoth Energy Services, Inc. insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Mammoth Energy Services, Inc. since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Mammoth Energy Services, Inc. since year 2005. Table 2 shows the detailed insider transactions of Mammoth Energy Services, Inc. since 2005. The reporting company's ticker symbol is TUSK. The reporting company's CIK number is 1679268.
The total value of stock buying since 2005 is $252,972.
The total value of stock sales since 2005 is $3,982,624.
The total value of stock option exercises since 2005 is $0.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Mammoth Energy Services, Inc. (TUSK).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-11 0 $0 26,767 $494,340 0 $0
2017-08 6,000 $76,524 0 $0 0 $0
2017-06 6,000 $101,460 0 $0 0 $0
2017-02 460 $10,008 0 $0 0 $0
2016-10 4,332 $64,980 248,047 $3,488,284 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Mammoth Energy Services, Inc. insiders (TUSK)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-11-15 Straehla Arty (Chief Executive Officer) Sale 7,553 17.81 134,511
2017-11-14 Layton Mark E. (CFO and Secretary) Sale 925 19.01 17,587
2017-11-14 Straehla Arty (Chief Executive Officer) Sale 18,289 18.71 342,242
2017-08-25 Palm James D (Director) Buy 2,000 12.60 25,200
2017-08-24 Palm James D (Director) Buy 4,000 12.83 51,324
2017-06-09 Smith Arthur L (Director) Buy 6,000 16.91 101,460
2017-02-28 Straehla Arty (Chief Executive Officer) Buy 460 21.76 10,008
2016-10-19 Layton Mark E. (CFO and Secretary) Buy 3,000 15.00 45,000
2016-10-19 Straehla Arty (Chief Executive Officer) Buy 1,332 15.00 19,980
2016-10-19 Jacobs Joseph Sale 171,797 14.06 2,415,981
2016-10-19 Gulfport Energy Corp (Director) Sale 76,250 14.06 1,072,303

Insider trading activities including stock purchases, stock sales, and option exercises of TUSK listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Mammoth Energy Services, Inc. (symbol TUSK, CIK number 1679268) see the Securities and Exchange Commission (SEC) website.