SYNDAX PHARMACEUTICALS INC

Ticker: SNDX CUSIP: 87164F105 Class: Common Stock

XTX Topco Ltd's Holding History (CIK: 0001828301)

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

Q4 2025

Shares 18,476 Value ($000) $388 Avg Close $17.45 Range $12.99 - $22.73

Q3 2025

Shares 30,393 Value ($000) $468 Avg Close $13.09 Range $8.59 - $17.24

Q2 2025

Shares 11,959 Value ($000) $112 Avg Close $11.01 Range $8.58 - $14.24

Q1 2025

Shares 63,726 Value ($000) $783 Avg Close $14.10 Range $12.06 - $16.95

Q3 2023

Shares 29,864 Value ($000) $434 Avg Close $18.92 Range $12.85 - $23.55

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	18,476	$388	$17.45	$12.99 - $22.73
Q3 2025	30,393	$468	$13.09	$8.59 - $17.24
Q2 2025	11,959	$112	$11.01	$8.58 - $14.24
Q1 2025	63,726	$783	$14.10	$12.06 - $16.95
Q3 2023	29,864	$434	$18.92	$12.85 - $23.55