SYNDAX PHARMACEUTICALS INC

Ticker: SNDX CUSIP: 87164F105 Class: Common Stock

J. Goldman & Co LP's Holding History (CIK: 0001412741)

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

Q1 2018

Shares 39,538 Value ($000) $563 Avg Close $10.61 Range $8.44 - $14.96

Q4 2017

Shares 71,000 Value ($000) $622 Avg Close $9.90 Range $7.70 - $13.48

Q3 2017

Shares 52,000 Value ($000) $608 Avg Close $12.26 Range $10.56 - $14.17

Q2 2017

Shares 147,181 Value ($000) $2,056 Avg Close $11.43 Range $7.41 - $15.43

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	39,538	$563	$10.61	$8.44 - $14.96
Q4 2017	71,000	$622	$9.90	$7.70 - $13.48
Q3 2017	52,000	$608	$12.26	$10.56 - $14.17
Q2 2017	147,181	$2,056	$11.43	$7.41 - $15.43