DYN 8-K: SEC filing

Filed with the SEC on Nov 5, 2026 · accession 0001818794-26-000013

DYN filed a 8-K (current report) with the SEC on Nov 5, 2026. A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more. The stock moved -6.4% by the first close after the filing.

Summary of the filing

Dyne Therapeutics furnished a Form 8-K announcing its financial results for the quarter ended September 30, 2026, via a press release attached as Exhibit 99.1.

For details, click here →How to read a 8-K →

Key details

RegistrantDyne Therapeutics, Inc.

President and chief executive officerJohn G. Cox

How DYN stock reacted

Close before

$18.54

Nov 4, 2026

First close after

-6.36%

$17.36

5 trading days

—

Since filing

—

✦ Ask GOAX AI about this filing — what it means for DYN, what changed since its last filings and what to watch next.

Try it free for 7 days

🔔 Want to stay updated on new SEC filings for DYN?

Click here

Frequently asked questions

What did DYN file with the SEC on Nov 5, 2026?

DYN filed a 8-K (SEC filing). Dyne Therapeutics furnished a Form 8-K announcing its financial results for the quarter ended September 30, 2026, via a press release attached as Exhibit 99.1.

How do I read a 8-K?

A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more. The "Item" number tells you the topic (e.g. 2.02 results, 5.02 executive change, 1.01 new agreement, 1.03 bankruptcy). Exhibits (99.1 press release) usually hold the details.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A 8-K (current report): A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more.

How did DYN stock react to this filing?

DYN closed at $18.54 before the filing and $17.36 on Nov 5, 2026 (-6.36%).

Other DYN SEC filings

Get alerts when DYN files with the SEC, plus live charts, key levels and news for 13,000+ stocks.

Try SEPT free for 7 days

DYN overview DYN analysis DYN news Latest SEC filings