DYNE THERAPEUTICS INC

Ticker: DYN CUSIP: 26818M108 Class: Common Stock

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

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

Q4 2025
Shares 650 Value ($000) $13 Avg Close $18.94 Range $12.33 - $25.00
Q3 2025
Shares 1,959 Value ($000) $25 Avg Close $11.41 Range $8.06 - $14.35
Q2 2025
Shares 2,126 Value ($000) $20 Avg Close $11.01 Range $6.36 - $15.23
Q1 2025
Shares 3,526 Value ($000) $37 Avg Close $14.30 Range $9.96 - $26.22
Q4 2024
Shares 613 Value ($000) $14 Avg Close $29.58 Range $23.05 - $35.90
Q2 2024
Shares 725 Value ($000) $26 Avg Close $29.06 Range $23.11 - $36.60
Q1 2024
Shares 4,244 Value ($000) $120 Avg Close $22.62 Range $12.33 - $30.27
Q4 2023
Shares 78,620 Value ($000) $1,046 Avg Close $9.77 Range $6.40 - $13.88
Q3 2023
Shares 60,334 Value ($000) $541 Avg Close $10.77 Range $8.35 - $12.68