SYNDAX PHARMACEUTICALS INC

Ticker: SNDX CUSIP: 87164F105 Class: Common Stock

FIRST MANHATTAN CO. LLC.'s Holding History (CIK: 0000728083)

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

Q3 2018

Shares 1,500 Value ($000) $12 Avg Close $7.13 Range $6.10 - $8.24

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	1,500	$12	$7.13	$6.10 - $8.24