SYNDAX PHARMACEUTICALS INC

Ticker: SNDX CUSIP: 87164F105 Class: Common Stock

NEOS Investment Management LLC's Holding History (CIK: 0002001019)

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

Q4 2025

Shares 101,553 Value ($000) $2,134 Avg Close $17.45 Range $12.99 - $22.73

Q3 2025

Shares 110,066 Value ($000) $1,693 Avg Close $13.09 Range $8.59 - $17.24

Q2 2025

Shares 86,301 Value ($000) $808 Avg Close $11.01 Range $8.58 - $14.24

Q1 2025

Shares 21,169 Value ($000) $260 Avg Close $14.10 Range $12.06 - $16.95

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	101,553	$2,134	$17.45	$12.99 - $22.73
Q3 2025	110,066	$1,693	$13.09	$8.59 - $17.24
Q2 2025	86,301	$808	$11.01	$8.58 - $14.24
Q1 2025	21,169	$260	$14.10	$12.06 - $16.95