SYNDAX PHARMACEUTICALS INC

Ticker: SNDX CUSIP: 87164F105 Class: Common Stock

AMERIPRISE FINANCIAL INC's Holding History (CIK: 0000820027)

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

Q4 2025

Shares 282,587 Value ($000) $5,937 Avg Close $17.45 Range $12.99 - $22.73

Q3 2025

Shares 95,443 Value ($000) $1,468 Avg Close $13.09 Range $8.59 - $17.24

Q2 2025

Shares 96,674 Value ($000) $905 Avg Close $11.01 Range $8.58 - $14.24

Q1 2025

Shares 34,228 Value ($000) $420 Avg Close $14.10 Range $12.06 - $16.95

Q4 2024

Shares 31,982 Value ($000) $423 Avg Close $17.11 Range $12.40 - $22.50

Q3 2024

Shares 486,228 Value ($000) $9,360 Avg Close $20.66 Range $17.34 - $25.07

Q2 2024

Shares 521,080 Value ($000) $10,698 Avg Close $20.93 Range $18.65 - $24.38

Q1 2024

Shares 511,501 Value ($000) $12,173 Avg Close $22.30 Range $19.58 - $25.34

Q4 2023

Shares 506,009 Value ($000) $10,935 Avg Close $15.37 Range $11.21 - $21.84

Q3 2023

Shares 499,521 Value ($000) $7,253 Avg Close $18.92 Range $12.85 - $23.55

Q2 2023

Shares 355,921 Value ($000) $7,449 Avg Close $20.82 Range $19.27 - $23.14

Q3 2022

Shares 276,731 Value ($000) $6,650 Avg Close $22.44 Range $18.05 - $25.71

Q2 2020

Shares 10,900 Value ($000) $162 Avg Close $15.23 Range $8.72 - $21.97

Q1 2020

Shares 31,800 Value ($000) $349 Avg Close $9.38 Range $6.32 - $12.27

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	282,587	$5,937	$17.45	$12.99 - $22.73
Q3 2025	95,443	$1,468	$13.09	$8.59 - $17.24
Q2 2025	96,674	$905	$11.01	$8.58 - $14.24
Q1 2025	34,228	$420	$14.10	$12.06 - $16.95
Q4 2024	31,982	$423	$17.11	$12.40 - $22.50
Q3 2024	486,228	$9,360	$20.66	$17.34 - $25.07
Q2 2024	521,080	$10,698	$20.93	$18.65 - $24.38
Q1 2024	511,501	$12,173	$22.30	$19.58 - $25.34
Q4 2023	506,009	$10,935	$15.37	$11.21 - $21.84
Q3 2023	499,521	$7,253	$18.92	$12.85 - $23.55
Q2 2023	355,921	$7,449	$20.82	$19.27 - $23.14
Q3 2022	276,731	$6,650	$22.44	$18.05 - $25.71
Q2 2020	10,900	$162	$15.23	$8.72 - $21.97
Q1 2020	31,800	$349	$9.38	$6.32 - $12.27