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CIK 0001818794 · Large accelerated filer

Dyne Therapeutics, Inc.

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Ticker
DYN
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
364883909
Phone
(781) 786-8230
Business address
1560 TRAPELO ROAD, WALTHAM, MA, 02451
Open-market buys, last 90 days
$40,000
in 1 filing
Open-market sales, last 90 days
$247,777
in 3 filings, $248K under 10b5-1 plans

Net −$207,777. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2024-09-06 Scalzo Richard William SVP, Head of Finance & Admin. Option exercise · Stock option (right to buy) −6,552 28,394
2024-09-05 Kersten Dirk Director Sale 10b5-1 −1,577 $35.03 $55K 398,423
2024-09-04 Cox John CEO & President Purchase +800 $32.57 $26K 800
2024-09-04 Cox John CEO & President Purchase +7,200 $33.09 $238K 8,000
2024-09-04 Cox John CEO & President Purchase +800 $32.57 $26K 800
2024-09-04 Cox John CEO & President Purchase +7,200 $33.09 $238K 8,000
2024-09-04 Cox John CEO & President Purchase +800 $32.57 $26K 800
2024-09-04 Cox John CEO & President Purchase +7,200 $33.09 $238K 8,000
2024-09-04 Cox John CEO & President Purchase +800 $32.57 $26K 800
2024-09-04 Cox John CEO & President Purchase +7,200 $33.09 $238K 8,000
2024-09-03 Kerr Douglas Chief Medical Officer Grant or award +47,500 47,500
2024-09-03 Kerr Douglas Chief Medical Officer Grant or award · Stock Option (Right to Buy) +150,300 150,300
2024-09-03 Friedl-Naderer Johanna Chief Commercial Officer Grant or award +58,400 58,400
2024-09-03 Friedl-Naderer Johanna Chief Commercial Officer Grant or award · Stock Option (Right to Buy) +185,300 185,300
2024-08-30 Kersten Dirk Director Sale 10b5-1 −25,096 $45.49 $1.1M 406,204
2024-08-30 Kersten Dirk Director Sale 10b5-1 −6,204 $46.01 $285K 400,000
2024-08-29 Kersten Dirk Director Sale 10b5-1 −45,640 $45.19 $2.1M 442,068
2024-08-29 Kersten Dirk Director Sale 10b5-1 −10,768 $45.81 $493K 431,300
2024-08-28 Kersten Dirk Director Sale 10b5-1 −16,386 $44.41 $728K 549,175
2024-08-28 Kersten Dirk Director Sale 10b5-1 −61,467 $44.94 $2.8M 487,708

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