Sign inTry free
Dyne Therapeutics (DYN) logo

Dyne Therapeutics (DYN) insider trading in the last 6 months

One insider bought $197K, 1 sold $48K.

Filings: 6, in the last 6 months
Quality Score: -6, Poor

We do the work for you. Every stock is scored and ranked, every 15 seconds while the market is open. Here it's 15 minutes behind. Pro members see it live.

See all 6 tradesSee it live, free until Thursday morning. No account. No card. Then keep going with a free account.

Form 4 filings, newest first

BuyBrian S. Posner$40KDirectorat $16.00 on Oct 2, filed Oct 6
SellErick Lucera$48KChief Financial Officerat $20.37 on Jun 25, filed Jun 26
BuyBrian S. Posner$34KDirectorat $16.94 on Jun 8, filed Jun 9

From SEC Form 4s, the newest filed Oct 6, 2026 · Insiders have 2 business days to file a trade

3 more filings on DYN in the last 6 months, for Pro members. See them free →

Pro members see every filing on DYN with what each insider bought or sold and at what price, and can turn on an optional alert when an insider buys.

Who files at Dyne Therapeutics

Insider trades by person

Tested. Our top-scored stocks returned 2.2x the average stock over the next month. Reconstructed after the fact; recorded live since Sep 9, 2026. How we tested it

Questions about DYN's insider trades

As of Nov 10, 2026: Dyne Therapeutics (DYN) has 6 insider filings on record in the last 6 months, the newest filed Oct 6, 2026. Its Quality Score is -6 (Poor). Scores as of 11:07 PM ET, 15 minutes behind.

Are DYN insiders buying or selling?

One insider bought $197K across 5 filings, and one insider sold $48K across 1 filing, in the last 6 months. The newest filing: Brian S. Posner, Director, bought $40K on Oct 2, 2026.

Who are DYN's biggest insider sellers?

The one insider who sold DYN in the last 6 months: Erick Lucera (Chief Financial Officer), 1 sale.

When did a DYN insider last buy?

Brian S. Posner, Director, bought DYN shares ($40K) on Oct 2, 2026, filed Oct 6, 2026, the newest insider buy on record.

Dyne Therapeutics's page has its Quality Score, its chart, and its earnings. More in Healthcare and Biotech. DYN is on insider buys, Oct 5 to 11, 2026.

Every insider trade, with its stock's score.

Real-time prices, every Form 4 on every stock with its Quality Score, sorting, filters, and optional alerts when the people you follow file.

See the last 30 days of insider trades

See it live, free until Thursday morning. No account. No card. Then keep going with a free account.

Shares insiders bought or sold themselves, as filed on Form 4. Grants, option exercises, shares withheld for tax, and 10b5-1 plan sales are left out.

Our top-scored stocks' record: Oct 2021 to Sep 2026, before costs. Recorded live since Sep 9, 2026.

Breakaway publishes impersonal securities research and analytical tools: one formula, the same score for everyone. It is not personalized investment advice, and nothing here is a recommendation to buy or sell any security.

Market data from a licensed vendor. The age of every quote is shown on the page.

May we record how this site is used and measure our ads? Privacy policy

This browser is too old to show this page right. Update it, or open this page in Safari or Chrome.