SYNDAX PHARMACEUTICALS INC

Ticker: SNDX CUSIP: 87164F105 Class: Common Stock

abrdn plc's Holding History (CIK: 0001716774)

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

Q4 2025

Shares 372,792 Value ($000) $7,832 Avg Close $17.45 Range $12.99 - $22.73

Q3 2025

Shares 372,792 Value ($000) $5,735 Avg Close $13.09 Range $8.59 - $17.24

Q2 2025

Shares 303,426 Value ($000) $2,842 Avg Close $11.01 Range $8.58 - $14.24

Q1 2025

Shares 132,433 Value ($000) $1,627 Avg Close $14.10 Range $12.06 - $16.95

Q4 2024

Shares 99,340 Value ($000) $1,313 Avg Close $17.11 Range $12.40 - $22.50

Q3 2021

Shares 14,248 Value ($000) $272 Avg Close $16.66 Range $13.58 - $20.32

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	372,792	$7,832	$17.45	$12.99 - $22.73
Q3 2025	372,792	$5,735	$13.09	$8.59 - $17.24
Q2 2025	303,426	$2,842	$11.01	$8.58 - $14.24
Q1 2025	132,433	$1,627	$14.10	$12.06 - $16.95
Q4 2024	99,340	$1,313	$17.11	$12.40 - $22.50
Q3 2021	14,248	$272	$16.66	$13.58 - $20.32