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RLYB 8-K: Acquisition

Rallybio

Filed with the SEC on · accession 0001193125-26-458624

RLYB filed a 8-K (current report) with the SEC on Nov 12, 2026. Rallybio announced that its merger with Avenzo Therapeutics is expected to close after market close on November 20, 2026, following Nasdaq approval to list the combined company's common stock. The stock moved -1.2% by the first close after the filing.

Summary of the filing

Rallybio announced that its merger with Avenzo Therapeutics is expected to close after market close on November 20, 2026, following Nasdaq approval to list the combined company's common stock. The company also provided updates on its $13.90 per share special cash distribution and a related reverse stock split, both tied to the merger closing.

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

Key details

Special cash distribution per share$14
Target/acquirer in mergerRallybio Corporation
Merger counterpartyAvenzo Therapeutics, Inc.
Merger subsidiaryFarmington Merger Sub, Inc.
Listing exchangeNasdaq Stock Market

How RLYB stock reacted

Close before

$15.80

Nov 11, 2026

First close after

-1.23%

$15.61

5 trading days

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Since filing

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Frequently asked questions

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

RLYB filed a 8-K (Acquisition). Rallybio announced that its merger with Avenzo Therapeutics is expected to close after market close on November 20, 2026, following Nasdaq approval to list the combined company's common stock. The company also provided updates on its $13.90 per share special cash distribution and a related reverse stock split, both tied to the merger closing.

What does a acquisition mean for RLYB stock?

A contract important enough that investors need to know about it — a big customer contract, a loan, a merger agreement or a partnership.

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 RLYB stock react to this filing?

RLYB closed at $15.80 before the filing and $15.61 on Nov 12, 2026 (-1.23%).

Other RLYB SEC filings

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