MEDIFAST INC

Ticker: MED CUSIP: 58470H101 Class: Common Stock

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

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

Q1 2021

Shares 11,900 Value ($000) $2,520 Avg Close $210.66 Range $167.82 - $245.94

Q4 2020

Shares 19,900 Value ($000) $3,907 Avg Close $154.77 Range $122.16 - $182.52

Q3 2020

Shares 20,500 Value ($000) $3,371 Avg Close $143.27 Range $116.66 - $160.22

Q2 2020

Shares 17,000 Value ($000) $2,359 Avg Close $79.17 Range $47.19 - $121.47

Q4 2018

Shares 11,600 Value ($000) $1,450 Avg Close $139.91 Range $92.77 - $182.91

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	11,900	$2,520	$210.66	$167.82 - $245.94
Q4 2020	19,900	$3,907	$154.77	$122.16 - $182.52
Q3 2020	20,500	$3,371	$143.27	$116.66 - $160.22
Q2 2020	17,000	$2,359	$79.17	$47.19 - $121.47
Q4 2018	11,600	$1,450	$139.91	$92.77 - $182.91