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MRX 424B2: Shelf registration

Marex Group Limited

Filed with the SEC on · accession 0001104659-26-119038

MRX filed a 424B2 (prospectus (offering)) with the SEC on Oct 27, 2026. Marex Group Limited filed a preliminary pricing supplement for an offering of autocallable contingent income buffered notes linked to the worst performing of Interactive Brokers Group and Blackstone common stock, with a principal amount of $1,000 per note and a contingent coupon rate of at least… The stock moved -1.7% by the first close after the filing.

Summary of the filing

Marex Group Limited filed a preliminary pricing supplement for an offering of autocallable contingent income buffered notes linked to the worst performing of Interactive Brokers Group and Blackstone common stock, with a principal amount of $1,000 per note and a contingent coupon rate of at least 2.005% per month.

For details, click here →How to read a 424B2 →

Key details

Principal amount per note$1K
Underwriting discount per note$3
Contingent coupon rate per month (minimum)$2
Estimated initial value per note (low end)$940
Estimated initial value per note (high end)$990
IssuerMarex Group Limited
Underlying reference assetInteractive Brokers Group, Inc.
Underlying reference assetBlackstone Inc.
Underwriter/agentMarex Capital Markets Inc.

How MRX stock reacted

Close before

$70.73

Oct 26, 2026

First close after

-1.74%

$69.50

5 trading days

-8.24%

$64.90

Since filing

-4.28%

$67.70

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Frequently asked questions

What did MRX file with the SEC on Oct 27, 2026?

MRX filed a 424B2 (Shelf registration). Marex Group Limited filed a preliminary pricing supplement for an offering of autocallable contingent income buffered notes linked to the worst performing of Interactive Brokers Group and Blackstone common stock, with a principal amount of $1,000 per note and a contingent coupon rate of at least 2.005% per month.

What does a shelf registration mean for MRX stock?

New shares dilute existing holders and are often sold at a discount to the market price.

How do I read a 424B2?

The final terms of an offering of shares or bonds. Look at price, number of shares and the discount to the market price. Large offerings dilute existing shareholders.

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 424B2 (prospectus (offering)): The final terms of an offering of shares or bonds.

How did MRX stock react to this filing?

MRX closed at $70.73 before the filing and $69.50 on Oct 27, 2026 (-1.74%). Five trading days later: $64.90 (-8.24%).

Other MRX SEC filings

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