SYNDAX PHARMACEUTICALS INC

Ticker: SNDX CUSIP: 87164F105 Class: Common Stock

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q4 2025
Shares 25,660 Value ($000) $539 Avg Close $17.45 Range $12.99 - $22.73
Q2 2025
Shares 19,921 Value ($000) $0 Avg Close $11.01 Range $8.58 - $14.24
Q1 2025
Shares 1,657 Value ($000) $0 Avg Close $14.10 Range $12.06 - $16.95
Q3 2024
Shares 15,980 Value ($000) $0 Avg Close $20.66 Range $17.34 - $25.07
Q2 2024
Shares 5,873 Value ($000) $0 Avg Close $20.93 Range $18.65 - $24.38
Q1 2024
Shares 11,629 Value ($000) $0 Avg Close $22.30 Range $19.58 - $25.34
Q4 2023
Shares 64,030 Value ($000) $1 Avg Close $15.37 Range $11.21 - $21.84
Q4 2022
Shares 212 Value ($000) $0 Avg Close $23.32 Range $20.25 - $26.51
Q1 2022
Shares 951 Value ($000) $16 Avg Close $16.84 Range $14.56 - $22.27
Q4 2021
Shares 2,435 Value ($000) $53 Avg Close $18.48 Range $14.76 - $22.71
Q4 2020
Shares 1,352 Value ($000) $30 Avg Close $20.74 Range $13.92 - $27.85
Q2 2020
Shares 46,663 Value ($000) $691 Avg Close $15.23 Range $8.72 - $21.97
Q1 2020
Shares 20,046 Value ($000) $219 Avg Close $9.38 Range $6.32 - $12.27
Q4 2019
Shares 40,826 Value ($000) $358 Avg Close $7.34 Range $5.35 - $9.47
Q2 2019
Shares 7,544 Value ($000) $70 Avg Close $7.29 Range $4.82 - $9.66
Q1 2019
Shares 3,430 Value ($000) $18 Avg Close $5.70 Range $4.24 - $7.12
Q4 2018
Shares 1,544 Value ($000) $6 Avg Close $5.48 Range $3.39 - $9.15
Q3 2018
Shares 18,438 Value ($000) $148 Avg Close $7.13 Range $6.10 - $8.24
Q2 2018
Shares 497 Value ($000) $3 Avg Close $9.81 Range $6.61 - $15.20