Richard Scalzo - Sep 6, 2024 Form 4 Insider Report for Dyne Therapeutics, Inc. (DYN)

Role
SVP, Head of Finance & Admin.
Signature
/s/ Richard Scalzo
Stock symbol
DYN
Transactions as of
Sep 6, 2024
Transactions value $
-$2,589,475
Form type
4
Date filed
9/10/2024, 04:05 PM
Previous filing
Aug 20, 2024
Next filing
Sep 11, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction DYN Common Stock Options Exercise $36K +6.5K +5.86% $5.54 118K Sep 6, 2024 Direct F1
transaction DYN Common Stock Options Exercise $18.6K +3.35K +2.85% $5.54 121K Sep 6, 2024 Direct F1
transaction DYN Common Stock Options Exercise $662K +34.8K +28.82% $19.00 156K Sep 6, 2024 Direct F1
transaction DYN Common Stock Options Exercise $219K +16.7K +10.72% $13.12 172K Sep 6, 2024 Direct F1
transaction DYN Common Stock Options Exercise $256K +29.8K +17.28% $8.58 202K Sep 6, 2024 Direct F1
transaction DYN Common Stock Options Exercise $201K +18.8K +9.27% $10.72 221K Sep 6, 2024 Direct F1
transaction DYN Common Stock Options Exercise $71.3K +6.55K +2.97% $10.88 228K Sep 6, 2024 Direct F1
transaction DYN Common Stock Sale -$4M -124K -54.67% $32.14 103K Sep 6, 2024 Direct F1, F2
transaction DYN Common Stock Sale -$55.5K -1.7K -1.65% $32.63 101K Sep 6, 2024 Direct F1

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 -6.5K -100% $0.00 0 Sep 6, 2024 Common Stock 6.5K $5.54 Direct F3
transaction DYN Stock option (right to buy) Options Exercise $0 -3.35K -100% $0.00 0 Sep 6, 2024 Common Stock 3.35K $5.54 Direct F4
transaction DYN Stock option (right to buy) Options Exercise $0 -34.8K -97.91% $0.00 742 Sep 6, 2024 Common Stock 34.8K $19.00 Direct F5
transaction DYN Stock option (right to buy) Options Exercise $0 -16.7K -66.67% $0.00 8.35K Sep 6, 2024 Common Stock 16.7K $13.12 Direct F6
transaction DYN Stock option (right to buy) Options Exercise $0 -29.8K -54.17% $0.00 25.2K Sep 6, 2024 Common Stock 29.8K $8.58 Direct F7
transaction DYN Stock option (right to buy) Options Exercise $0 -18.8K -41.67% $0.00 26.3K Sep 6, 2024 Common Stock 18.8K $10.72 Direct F8
transaction DYN Stock option (right to buy) Options Exercise $0 -6.55K -18.75% $0.00 28.4K Sep 6, 2024 Common Stock 6.55K $10.88 Direct F9
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes 101,426 unvested RSUs.
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 $31.62 to $32.60, 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 range set forth in this footnote of this Form 4.
F3 The option was granted on July 31, 2020. The shares underlying the option vest over four years in equal quarterly installments through July 31, 2024, provided that no shares shall vest prior to December 2, 2020.
F4 The option was granted on July 31, 2020. The shares underlying the option vest over four years in equal quarterly installments through July 31, 2024, provided that no shares shall vest prior to December 2, 2020.
F5 The option was granted on September 16, 2020. The shares underlying the option vest over four years in equal monthly installments through September 16, 2024.
F6 The option was granted on December 10, 2021. The shares underlying the option vest over four years in equal monthly installments through December 10, 2025.
F7 The option was granted on July 11, 2022. The shares underlying the option vest over four years in equal monthly installments beginning on July 1, 2022.
F8 The option was granted on December 9, 2022. The shares underlying the option vest over four years in equal monthly installments through December 10, 2026.
F9 The option was granted on November 15, 2023. The shares underlying the option vest over four years in equal monthly installments through November 15, 2027.