SYNDAX PHARMACEUTICALS INC

Ticker: SNDX CUSIP: 87164F105 Class: Common Stock

Artal Group S.A.'s Holding History (CIK: 0001053906)

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

Q2 2018

Shares 60,697 Value ($000) $426 Avg Close $9.81 Range $6.61 - $15.20

Q1 2018

Shares 150,000 Value ($000) $2,135 Avg Close $10.61 Range $8.44 - $14.96

Q4 2017

Shares 150,000 Value ($000) $1,314 Avg Close $9.90 Range $7.70 - $13.48

Q3 2017

Shares 152,920 Value ($000) $1,789 Avg Close $12.26 Range $10.56 - $14.17

Q2 2017

Shares 300,000 Value ($000) $4,191 Avg Close $11.43 Range $7.41 - $15.43

Q1 2017

Shares 200,000 Value ($000) $2,744 Avg Close $10.38 Range $6.31 - $15.70

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	60,697	$426	$9.81	$6.61 - $15.20
Q1 2018	150,000	$2,135	$10.61	$8.44 - $14.96
Q4 2017	150,000	$1,314	$9.90	$7.70 - $13.48
Q3 2017	152,920	$1,789	$12.26	$10.56 - $14.17
Q2 2017	300,000	$4,191	$11.43	$7.41 - $15.43
Q1 2017	200,000	$2,744	$10.38	$6.31 - $15.70