SYNDAX PHARMACEUTICALS INC

Ticker: SNDX CUSIP: 87164F105 Class: Common Stock

MPM BioImpact LLC's Holding History (CIK: 0001687078)

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

Q4 2025

Shares 1,337,702 Value ($000) $28,105 Avg Close $17.45 Range $12.99 - $22.73

Q3 2025

Shares 1,375,674 Value ($000) $21,165 Avg Close $13.09 Range $8.59 - $17.24

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,337,702	$28,105	$17.45	$12.99 - $22.73
Q3 2025	1,375,674	$21,165	$13.09	$8.59 - $17.24