Joshua T. Brumm - 08 Jun 2023 Form 4 Insider Report for Dyne Therapeutics, Inc. (DYN)

Role
Chief Executive Officer and President, Director
Signature
/s/ Richard Scalzo, Attorney-in-Fact
Issuer symbol
DYN
Transactions as of
08 Jun 2023
Net transactions value
-$3,909,426
Form type
4
Filing time
12 Jun 2023, 21:22:04 UTC
Previous filing
15 Mar 2023
Next filing
13 Sep 2023
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction DYN Common Stock Gift $0 -20,000 -6.2% $0.000000 302,483 08 Jun 2023 Direct F1
transaction DYN Common Stock Gift $0 -1,800 -0.6% $0.000000 300,683 08 Jun 2023 Direct F1
transaction DYN Common Stock Options Exercise $30,991 +30,088 +10% $1.03* 330,771 08 Jun 2023 Direct
transaction DYN Common Stock Sale $615,565 -46,811 -14% $13.15 283,960 08 Jun 2023 Direct F2
transaction DYN Common Stock Sale $191,126 -14,189 -5% $13.47 269,771 08 Jun 2023 Direct F3
transaction DYN Common Stock Options Exercise $78,879 +76,582 +28% $1.03* 346,353 09 Jun 2023 Direct
transaction DYN Common Stock Sale $1,021,604 -76,582 -22% $13.34 269,771 09 Jun 2023 Direct F4
transaction DYN Common Stock Options Exercise $176,501 +171,360 +64% $1.03* 441,131 12 Jun 2023 Direct
transaction DYN Common Stock Sale $2,367,502 -187,748 -43% $12.61 253,383 12 Jun 2023 Direct F5

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) Options Exercise $0 -30,088 -8.7% $0.000000 317,661 08 Jun 2023 Common Stock 30,088 $1.03 Direct F6
transaction DYN Stock Option (right to buy) Options Exercise $0 -76,582 -24% $0.000000 241,079 09 Jun 2023 Common Stock 76,582 $1.03 Direct F6
transaction DYN Stock Option (right to buy) Options Exercise $0 -171,360 -71% $0.000000 69,719 12 Jun 2023 Common Stock 171,360 $1.03 Direct F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This transaction was a charitable donation to a third party effective June 8, 2023 in which no value was received in return.
F2 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $13.10 to $13.23, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1) and (2) of this Form 4.
F3 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $13.24 to $14.22, inclusive.
F4 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $13.00 to $13.64, inclusive.
F5 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $12.18 to $13.14, inclusive.
F6 The option was granted on January 6, 2020. The shares underlying the option vest over four years, with 25% of the shares vesting on October 12, 2020 and the remaining shares vesting in equal quarterly installments thereafter.

Remarks:

Chief Executive Officer and President