HEALTHSTREAM INC

Ticker: HSTM CUSIP: 42222N103 Class: Common Stock

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q4 2017

Shares 3,906 Value ($000) $90 Avg Close $23.54 Range $21.81 - $28.26

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	3,906	$90	$23.54	$21.81 - $28.26