DYNE THERAPEUTICS INC

Ticker: DYN CUSIP: 26818M108 Class: Common Stock

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

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

Q4 2025
Shares 9,186 Value ($000) $180 Avg Close $18.94 Range $12.33 - $25.00
Q3 2025
Shares 14,838 Value ($000) $0 Avg Close $11.41 Range $8.06 - $14.35
Q2 2025
Shares 13,247 Value ($000) $0 Avg Close $11.01 Range $6.36 - $15.23
Q1 2025
Shares 8,795 Value ($000) $0 Avg Close $14.30 Range $9.96 - $26.22
Q2 2024
Shares 7,583 Value ($000) $0 Avg Close $29.06 Range $23.11 - $36.60
Q1 2024
Shares 49,706 Value ($000) $1 Avg Close $22.62 Range $12.33 - $30.27
Q4 2023
Shares 18,061 Value ($000) $0 Avg Close $9.77 Range $6.40 - $13.88
Q3 2023
Shares 36,032 Value ($000) $0 Avg Close $10.77 Range $8.35 - $12.68
Q2 2022
Shares 37 Value ($000) $0 Avg Close $6.89 Range $4.30 - $11.21