SYNDAX PHARMACEUTICALS INC

Ticker: SNDX CUSIP: 87164F105 Class: Common Stock

PRINCIPAL SECURITIES, INC.'s Holding History (CIK: 0000012600)

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

Q3 2025

Shares 400 Value ($000) $6 Avg Close $13.09 Range $8.59 - $17.24

Q2 2025

Shares 400 Value ($000) $4 Avg Close $11.01 Range $8.58 - $14.24

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	400	$6	$13.09	$8.59 - $17.24
Q2 2025	400	$4	$11.01	$8.58 - $14.24