Company Analysis

Olin Corp. (OLN)

NYSE: OLN · Chemicals & Allied Products · Clayton, MO · filing with the SEC since 1994
Grade5.3
◀ Past 6.0● Present 5.7▶ Future 3.9

Filings

378 filings since 2017 beside 584 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026
Due nextLarge accelerated filer
10-K Annual report for the fiscal year ending Dec 31, 2026Large accelerated filers have 60 days after the fiscal year ends. by Mar 1, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end. by May 10, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 29 days after the quarter ended. The proxy statement was last filed Mar 20, 2026.

Filings a yearinsider forms included
1091251108080805995
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 11 times in the last 36 months, the newest Apr 30, 2026.
Insider forms 584

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 4, 2026 SCHEDULE 13G/A Large holder update, amended
Nov 4, 2026 8-K items 1.01, 9.01 Major agreement signed · Current report
Oct 30, 2026 10-Q Quarterly report Sep 30, 2026
Oct 29, 2026 8-K items 2.02, 9.01 Results released · Current report
Oct 28, 2026 8-K items 1.01, 2.03, 9.01 Major agreement signed; New debt or obligation taken on · Current report Oct 27, 2026
Aug 25, 2026 8-K items 5.07, 7.01, 9.01 Shareholder vote; Investor disclosure (Regulation FD) · Current report
Aug 18, 2026 425 Merger communication
Aug 18, 2026 8-K item 8.01 Other event · Current report Aug 17, 2026
Aug 13, 2026 SCHEDULE 13G Large holder notice
Aug 12, 2026 425 Merger communication
Aug 12, 2026 S-8 Employee stock plan registration
Aug 11, 2026 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
Aug 5, 2026 425 Merger communication
Jul 31, 2026 425 Merger communication
Jul 31, 2026 10-Q Quarterly report Jun 30, 2026
Jul 30, 2026 425 Merger communication
Jul 30, 2026 8-K items 2.02, 9.01 Results released · Current report
Jul 29, 2026 425 Merger communication
Jul 22, 2026 425 Merger communication
Jul 14, 2026 425 Merger communication
Jul 14, 2026 SCHEDULE 13G Large holder notice
Jul 13, 2026 EFFECT Registration effective
Jul 13, 2026 424B3 Shelf offering
Jul 13, 2026 425 Merger communication
Jul 10, 2026 S-4/A Merger or exchange registration, amended
Jul 2, 2026 S-4 Merger or exchange registration
Jun 25, 2026 425 Merger communication
Jun 24, 2026 11-K Employee plan annual report Dec 31, 2025
Jun 17, 2026 425 Merger communication
Jun 16, 2026 425 Merger communication
Jun 16, 2026 425 Merger communication
Jun 16, 2026 8-K items 1.01, 8.01, 9.01 Major agreement signed; Other event · Current report Jun 15, 2026
Jun 16, 2026 425 Merger communication
Jun 16, 2026 425 Merger communication
Jun 16, 2026 425 Merger communication
Jun 16, 2026 425 Merger communication
Jun 16, 2026 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
Jun 16, 2026 425 Merger communication
May 29, 2026 SD Conflict minerals report
May 21, 2026 8-K/A item 5.07 Shareholder vote · Current report, amended Apr 29, 2026
40 of 378 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton OLN · research, not advice