SYNDAX PHARMACEUTICALS INC

Ticker: SNDX CUSIP: 87164F105 Class: Common Stock

Rockefeller Capital Management L.P.'s Holding History (CIK: 0001739439)

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

Q4 2025

Shares 472 Value ($000) $10 Avg Close $17.45 Range $12.99 - $22.73

Q4 2022

Shares 113 Value ($000) $0 Avg Close $23.32 Range $20.25 - $26.51

Q3 2022

Shares 113 Value ($000) $2 Avg Close $22.44 Range $18.05 - $25.71

Q2 2022

Shares 113 Value ($000) $2 Avg Close $16.66 Range $13.27 - $19.91

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	472	$10	$17.45	$12.99 - $22.73
Q4 2022	113	$0	$23.32	$20.25 - $26.51
Q3 2022	113	$2	$22.44	$18.05 - $25.71
Q2 2022	113	$2	$16.66	$13.27 - $19.91