MAMMOTH ENERGY SVCS INC

Ticker: TUSK CUSIP: 56155L108 Class: COM

B. Riley Financial, Inc.'s Holding History (CIK: 0001464790)

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

Q1 2018
Shares 15,000 Value ($000) $481 Avg Close $24.99 Range $18.66 - $33.67