MEDNAX INC

Ticker: MD CUSIP: 58502B106 Class: EQTY

Summit Trail Advisors, LLC's Holding History (CIK: 0001698478)

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

Q3 2018

Shares 2,889 Value ($000) $135 Avg Close $45.91 Range $42.31 - $48.77

Q2 2018

Shares 5,262 Value ($000) $228 Avg Close $47.92 Range $42.12 - $56.46

Q4 2017

Shares 3,550 Value ($000) $190 Avg Close $47.18 Range $40.56 - $54.05

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	2,889	$135	$45.91	$42.31 - $48.77
Q2 2018	5,262	$228	$47.92	$42.12 - $56.46
Q4 2017	3,550	$190	$47.18	$40.56 - $54.05