SYNDAX PHARMACEUTICALS INC

Ticker: SNDX CUSIP: 87164F105 Class: Common Stock

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q2 2025

Shares 1,940 Value ($000) $18 Avg Close $11.01 Range $8.58 - $14.24

Q2 2023

Shares 9,677 Value ($000) $203 Avg Close $20.82 Range $19.27 - $23.14

Q1 2023

Shares 36,695 Value ($000) $775 Avg Close $24.88 Range $20.01 - $29.86

Q4 2022

Shares 10,937 Value ($000) $278 Avg Close $23.32 Range $20.25 - $26.51

Q4 2021

Shares 111,382 Value ($000) $2,438 Avg Close $18.48 Range $14.76 - $22.71

Q3 2021

Shares 11,599 Value ($000) $222 Avg Close $16.66 Range $13.58 - $20.32

Q1 2019

Shares 11,172 Value ($000) $59 Avg Close $5.70 Range $4.24 - $7.12

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	1,940	$18	$11.01	$8.58 - $14.24
Q2 2023	9,677	$203	$20.82	$19.27 - $23.14
Q1 2023	36,695	$775	$24.88	$20.01 - $29.86
Q4 2022	10,937	$278	$23.32	$20.25 - $26.51
Q4 2021	111,382	$2,438	$18.48	$14.76 - $22.71
Q3 2021	11,599	$222	$16.66	$13.58 - $20.32
Q1 2019	11,172	$59	$5.70	$4.24 - $7.12