SEPTInvestingStart Free

OLN 424B3: Acquisition

Olin Corporation and Huntsman Corporation have

Filed with the SEC on · accession 0001193125-26-302125

OLN filed a 424B3 (prospectus (offering)) with the SEC on Jul 13, 2026. Olin Corporation and Huntsman Corporation have entered into a merger agreement for a merger of equals, with Huntsman shareholders receiving 0.5476 shares of Olin common stock per Huntsman share. The stock moved +2.3% by the first close after the filing.

Summary of the filing

Olin Corporation and Huntsman Corporation have entered into a merger agreement for a merger of equals, with Huntsman shareholders receiving 0.5476 shares of Olin common stock per Huntsman share. Special meetings of shareholders are scheduled for August 25, 2026, to vote on the merger.

For details, click here →How to read a 424B3 →

Key details

Exchange ratio per Huntsman shareshares 1
Value of merger consideration per Huntsman share$11
Acquiring companyOlin Corporation
Target companyHuntsman Corporation

How OLN stock reacted

Close before

$20.68

Jul 10, 2026

First close after

+2.27%

$21.15

5 trading days

+6.33%

$21.99

Since filing

-16.30%

$17.31

✦ Ask GOAX AI about this filing — what it means for OLN, what changed since its last filings and what to watch next.

Try it free for 7 days

🔔 Want to stay updated on new SEC filings for OLN?

Click here

Frequently asked questions

What did OLN file with the SEC on Jul 13, 2026?

OLN filed a 424B3 (Acquisition). Olin Corporation and Huntsman Corporation have entered into a merger agreement for a merger of equals, with Huntsman shareholders receiving 0.5476 shares of Olin common stock per Huntsman share. Special meetings of shareholders are scheduled for August 25, 2026, to vote on the merger.

What does a acquisition mean for OLN 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 424B3?

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 424B3 (prospectus (offering)): The final terms of an offering of shares or bonds.

How did OLN stock react to this filing?

OLN closed at $20.68 before the filing and $21.15 on Jul 13, 2026 (+2.27%). Five trading days later: $21.99 (+6.33%).

Other OLN SEC filings

Get alerts when OLN files with the SEC, plus live charts, key levels and news for 13,000+ stocks.

Try SEPT free for 7 days
OLN overviewOLN analysisOLN newsLatest SEC filings