CLLS 6-K: SEC filing
Cellectis S.A.
Filed with the SEC on · accession 0001171843-26-007273
CLLS filed a 6-K (foreign company report) with the SEC on Nov 9, 2026. Cellectis S.A. filed a Form 6-K on November 9, 2026, attaching a press release as Exhibit 99.1. The stock moved +4.7% by the first close after the filing.
Summary of the filing
Cellectis S.A. filed a Form 6-K on November 9, 2026, attaching a press release as Exhibit 99.1. The filing itself contains no substantive details about the press release's contents.
Key details
How CLLS stock reacted
Close before
$1.07
Nov 6, 2026
First close after
+4.67%
$1.12
5 trading days
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Since filing
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Click hereFrequently asked questions
What did CLLS file with the SEC on Nov 9, 2026?
CLLS filed a 6-K (SEC filing). Cellectis S.A. filed a Form 6-K on November 9, 2026, attaching a press release as Exhibit 99.1. The filing itself contains no substantive details about the press release's contents.
How do I read a 6-K?
How foreign companies listed in the US report news and events — like an 8-K for them. Look at the exhibit names: "results", "resign", "notice" tell you the topic. Many 6-Ks are routine (meeting notices); results and leadership changes matter most.
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 6-K (foreign company report): How foreign companies listed in the US report news and events — like an 8-K for them.
How did CLLS stock react to this filing?
CLLS closed at $1.07 before the filing and $1.12 on Nov 9, 2026 (+4.67%).
Other CLLS SEC filings
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