SYNDAX PHARMACEUTICALS INC

Ticker: SNDX CUSIP: 87164F105 Class: Common Stock

PURA VIDA INVESTMENTS, LLC's Holding History (CIK: 0001590144)

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

Q3 2018

Shares 100,000 Value ($000) $808 Avg Close $7.13 Range $6.10 - $8.24

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	100,000	$808	$7.13	$6.10 - $8.24