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BAK 6-K: SEC filing

Braskem S.A.

Filed with the SEC on · accession 0001292814-26-005241

BAK filed a 6-K (foreign company report) with the SEC on Nov 12, 2026. How foreign companies listed in the US report news and events — like an 8-K for them. The stock moved +2.7% by the first close after the filing.

Summary of the filing

Braskem S.A. filed a routine Form 6-K disclosing its holdings of individual shares in treasury as of October 30, 2026, reporting 27 Class A preferred shares held in treasury with no securities or derivatives trading activity during the month.

For details, click here →How to read a 6-K →

Key details

Class A preferred shares held in treasuryshares 27
RegistrantBraskem S.A.
Chief financial officerCarlos Augusto Machado Pereira de Almeida Brandão

How BAK stock reacted

Close before

$1.10

Nov 11, 2026

First close after

+2.73%

$1.13

5 trading days

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Since filing

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Frequently asked questions

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

BAK filed a 6-K (SEC filing). Braskem S.A. filed a routine Form 6-K disclosing its holdings of individual shares in treasury as of October 30, 2026, reporting 27 Class A preferred shares held in treasury with no securities or derivatives trading activity during the month.

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 BAK stock react to this filing?

BAK closed at $1.10 before the filing and $1.13 on Nov 12, 2026 (+2.73%).

Other BAK SEC filings

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