SYNDAX PHARMACEUTICALS INC

Ticker: SNDX CUSIP: 87164F105 Class: Common Stock

Mariner, LLC's Holding History (CIK: 0001373442)

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

Q4 2025

Shares 54,987 Value ($000) $1,155 Avg Close $17.45 Range $12.99 - $22.73

Q3 2025

Shares 23,440 Value ($000) $361 Avg Close $13.09 Range $8.59 - $17.24

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	54,987	$1,155	$17.45	$12.99 - $22.73
Q3 2025	23,440	$361	$13.09	$8.59 - $17.24