MAMMOTH ENERGY SVCS INC

Ticker: TUSK CUSIP: 56155L108 Class: COM

AMERICAN CENTURY COMPANIES INC's Holding History (CIK: 0000748054)

Note: Option positions (PUT/CALL) are excluded.

Q1 2019
Shares 28,842 Value ($000) $480 Avg Close $21.35 Range $16.27 - $24.62
Q4 2018
Shares 36,351 Value ($000) $654 Avg Close $24.57 Range $16.81 - $30.61
Q3 2018
Shares 36,979 Value ($000) $1,076 Avg Close $32.95 Range $25.64 - $40.75
Q2 2018
Shares 18,043 Value ($000) $613 Avg Close $35.13 Range $28.34 - $42.30
Q1 2018
Shares 18,043 Value ($000) $578 Avg Close $24.99 Range $18.66 - $33.67
Q4 2017
Shares 101,290 Value ($000) $1,988 Avg Close $18.21 Range $14.21 - $21.32
Q3 2017
Shares 747,023 Value ($000) $12,595 Avg Close $14.60 Range $10.88 - $20.42
Q2 2017
Shares 627,081 Value ($000) $11,664 Avg Close $18.67 Range $15.80 - $22.31
Q1 2017
Shares 405,425 Value ($000) $8,721 Avg Close $19.07 Range $15.07 - $24.54
Q4 2016
Shares 641,765 Value ($000) $9,755 Avg Close $14.79 Range $11.91 - $19.05