Oxana Beskrovnaya - 02 Jun 2021 Form 4 Insider Report for Dyne Therapeutics, Inc. (DYN)

Signature
/s/ Richard Scalzo, Attorney-in-Fact
Issuer symbol
DYN
Transactions as of
02 Jun 2021
Net transactions value
$0
Form type
4
Filing time
02 Jun 2021, 18:41:29 UTC
Next filing
22 Sep 2021

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction DYN Stock Option (right to buy) Award $0 +110,000 $0.000000 110,000 02 Jun 2021 Common Stock 110,000 $19.05 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This option was granted on June 2, 2021. The shares underlying the option are scheduled to vest over four years, with 25% of the shares vesting on June 2, 2022 and the remaining shares vesting in equal quarterly installments thereafter.