DYNE THERAPEUTICS INC

Ticker: DYN CUSIP: 26818M108 Class: Common Stock

Maven Securities LTD's Holding History (CIK: 0001633046)

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

Q2 2021

Shares 36,596 Value ($000) $798 Avg Close $18.80 Range $15.13 - $22.92

Q1 2021

Shares 91,562 Value ($000) $1,394 Avg Close $19.35 Range $13.50 - $32.31

Q3 2020

Shares 10,600 Value ($000) $212 Avg Close $21.96 Range $19.27 - $27.11

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2021	36,596	$798	$18.80	$15.13 - $22.92
Q1 2021	91,562	$1,394	$19.35	$13.50 - $32.31
Q3 2020	10,600	$212	$21.96	$19.27 - $27.11