MEDIFAST INC

Ticker: MED CUSIP: 58470H101 Class: Common Stock

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q3 2018

Shares 5,700 Value ($000) $1,262 Avg Close $165.42 Range $125.71 - $212.88

Q4 2017

Shares 10,900 Value ($000) $760 Avg Close $53.33 Range $47.43 - $60.08

Q3 2017

Shares 31,000 Value ($000) $1,840 Avg Close $39.78 Range $31.96 - $48.35

Q2 2017

Shares 31,000 Value ($000) $1,285 Avg Close $34.50 Range $32.15 - $37.54

Q1 2017

Shares 31,000 Value ($000) $1,375 Avg Close $33.91 Range $31.66 - $36.49

Q4 2016

Shares 20,500 Value ($000) $853 Avg Close $31.48 Range $28.67 - $33.96

Q3 2016

Shares 10,400 Value ($000) $393 Avg Close $27.84 Range $25.40 - $30.47

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	5,700	$1,262	$165.42	$125.71 - $212.88
Q4 2017	10,900	$760	$53.33	$47.43 - $60.08
Q3 2017	31,000	$1,840	$39.78	$31.96 - $48.35
Q2 2017	31,000	$1,285	$34.50	$32.15 - $37.54
Q1 2017	31,000	$1,375	$33.91	$31.66 - $36.49
Q4 2016	20,500	$853	$31.48	$28.67 - $33.96
Q3 2016	10,400	$393	$27.84	$25.40 - $30.47