SYNDAX PHARMACEUTICALS INC

Ticker: SNDX CUSIP: 87164F105 Class: Common Stock

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

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

Q2 2022

Shares 1,111,111 Value ($000) $21,378 Avg Close $16.66 Range $13.27 - $19.91

Q1 2017

Shares 38,130 Value ($000) $523 Avg Close $10.38 Range $6.31 - $15.70

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2022	1,111,111	$21,378	$16.66	$13.27 - $19.91
Q1 2017	38,130	$523	$10.38	$6.31 - $15.70