SYNDAX PHARMACEUTICALS INC

Ticker: SNDX CUSIP: 87164F105 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2025
Shares 11,792 Value ($000) $248 Avg Close $17.45 Range $12.99 - $22.73
Q3 2024
Shares 11,752 Value ($000) $226 Avg Close $20.66 Range $17.34 - $25.07
Q2 2024
Shares 2,318 Value ($000) $48 Avg Close $20.93 Range $18.65 - $24.38
Q1 2024
Shares 763 Value ($000) $18 Avg Close $22.30 Range $19.58 - $25.34
Q4 2023
Shares 25,837 Value ($000) $558 Avg Close $15.37 Range $11.21 - $21.84
Q3 2023
Shares 112,651 Value ($000) $1,636 Avg Close $18.92 Range $12.85 - $23.55
Q2 2023
Shares 1,277 Value ($000) $27 Avg Close $20.82 Range $19.27 - $23.14
Q1 2023
Shares 2,157 Value ($000) $46 Avg Close $24.88 Range $20.01 - $29.86
Q4 2022
Shares 1,157 Value ($000) $29 Avg Close $23.32 Range $20.25 - $26.51
Q2 2021
Shares 6,808 Value ($000) $117 Avg Close $18.32 Range $13.02 - $25.46
Q1 2021
Shares 4,236 Value ($000) $95 Avg Close $22.59 Range $19.05 - $25.68
Q4 2020
Shares 14,021 Value ($000) $312 Avg Close $20.74 Range $13.92 - $27.85
Q4 2019
Shares 21,132 Value ($000) $186 Avg Close $7.34 Range $5.35 - $9.47
Q3 2019
Shares 21,986 Value ($000) $164 Avg Close $9.11 Range $7.45 - $11.11
Q2 2019
Shares 20,096 Value ($000) $187 Avg Close $7.29 Range $4.82 - $9.66
Q1 2019
Shares 6,592 Value ($000) $35 Avg Close $5.70 Range $4.24 - $7.12
Q4 2018
Shares 12,261 Value ($000) $55 Avg Close $5.48 Range $3.39 - $9.15
Q3 2018
Shares 9,015 Value ($000) $73 Avg Close $7.13 Range $6.10 - $8.24
Q2 2018
Shares 238 Value ($000) $2 Avg Close $9.81 Range $6.61 - $15.20
Q4 2017
Shares 4,000 Value ($000) $35 Avg Close $9.90 Range $7.70 - $13.48