MEDNAX INC

Ticker: MD CUSIP: 58502B106 Class: EQTY

Twin Tree Management, LP's Holding History (CIK: 0001535588)

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

Q2 2020
Shares 835 Value ($000) $14 Avg Close $14.83 Range $9.38 - $20.43
Q1 2020
Shares 156 Value ($000) $2 Avg Close $20.62 Range $7.37 - $27.90
Q3 2019
Shares 267 Value ($000) $6 Avg Close $22.79 Range $19.93 - $25.71
Q1 2019
Shares 4,242 Value ($000) $115 Avg Close $33.53 Range $26.97 - $38.89
Q4 2018
Shares 575 Value ($000) $19 Avg Close $40.20 Range $31.68 - $47.32
Q1 2018
Shares 200 Value ($000) $11 Avg Close $54.82 Range $48.74 - $63.04
Q2 2017
Shares 31,987 Value ($000) $1,931 Avg Close $59.28 Range $53.80 - $69.57
Q4 2015
Shares 6,524 Value ($000) $468 Avg Close $73.96 Range $68.66 - $83.20