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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.

Pace of trading Bought Sold

Who's trading

90 days

  1. Kerr Douglas −$116K Chief Medical Officer sold 3% of stake
  2. Cox John −$107K CEO & President sold 2% of stake
  3. Posner Brian S +$40K Director 1 filing
  4. Friedl-Naderer Johanna −$25K Chief Commercial Officer sold <1% of stake

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

Date Insider Transaction Shares Price Value Owned after
2023-01-04 Beskrovnaya Oxana Chief Scientific Officer Option exercise · Stock option (right to buy) 10b5-1 −22,674 30,426

Page 29 of 29 · 561 trades