SYNDAX PHARMACEUTICALS INC

Ticker: SNDX CUSIP: 87164F105 Class: Common Stock

SummitTX Capital, L.P.'s Holding History (CIK: 0002052310)

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

Q4 2025

Shares 39,127 Value ($000) $822 Avg Close $17.45 Range $12.99 - $22.73

Q3 2025

Shares 100,586 Value ($000) $1,548 Avg Close $13.09 Range $8.59 - $17.24

Q2 2025

Shares 211,244 Value ($000) $1,978 Avg Close $11.01 Range $8.58 - $14.24

Q1 2025

Shares 164,233 Value ($000) $2,018 Avg Close $14.10 Range $12.06 - $16.95

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	39,127	$822	$17.45	$12.99 - $22.73
Q3 2025	100,586	$1,548	$13.09	$8.59 - $17.24
Q2 2025	211,244	$1,978	$11.01	$8.58 - $14.24
Q1 2025	164,233	$2,018	$14.10	$12.06 - $16.95