SLS 8-K: SEC filing

SELLAS Life Sciences Group

Filed with the SEC on Nov 12, 2026 · accession 0001390478-26-000021

SLS filed a 8-K (current report) with the SEC on Nov 12, 2026. A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more. The stock moved -4.6% by the first close after the filing.

Summary of the filing

SELLAS Life Sciences Group issued a press release announcing its financial results for the quarter ended September 30, 2026, along with a corporate update, furnished under Item 2.02 of Form 8-K.

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

Key details

RegistrantSELLAS Life Sciences Group, Inc.

Senior vice president, chief financial officerJohn T. Burns

How SLS stock reacted

Close before

$8.42

Nov 11, 2026

First close after

-4.63%

$8.03

5 trading days

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Since filing

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Frequently asked questions

What did SLS file with the SEC on Nov 12, 2026?

SLS filed a 8-K (SEC filing). SELLAS Life Sciences Group issued a press release announcing its financial results for the quarter ended September 30, 2026, along with a corporate update, furnished under Item 2.02 of Form 8-K.

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 SLS stock react to this filing?

SLS closed at $8.42 before the filing and $8.03 on Nov 12, 2026 (-4.63%).

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