DYNE THERAPEUTICS INC

Ticker: DYN CUSIP: 26818M108 Class: Common Stock

GREAT POINT PARTNERS LLC's Holding History (CIK: 0001281446)

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

Q4 2021

Shares 845,000 Value ($000) $10,047 Avg Close $14.05 Range $11.56 - $16.48

Q3 2021

Shares 745,000 Value ($000) $12,099 Avg Close $17.73 Range $15.22 - $21.70

Q2 2021

Shares 672,559 Value ($000) $14,151 Avg Close $18.80 Range $15.13 - $22.92

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	845,000	$10,047	$14.05	$11.56 - $16.48
Q3 2021	745,000	$12,099	$17.73	$15.22 - $21.70
Q2 2021	672,559	$14,151	$18.80	$15.13 - $22.92