Companies: 10,795·Total market cap: $144.5T
Olin Corporation

Olin Corporation

OLNNYSEBasic Materials● Active
$24.54
$-0.39(-1.56%)
Market Cap$2.8B
P/E Ratio
52W High$30.46
52W Low$18.08
SEC Filings

Olin Corporation (OLN) SEC Filings & 10-K Annual Reports

SEC EDGAR regulatory submissions (10-K, 10-Q, 8-K), latest forms, and full filing history — quick links to financials and earnings below.

SEC EDGAR · data.sec.gov · CIK 0000074303 · OLN · NYSE · as of Jun 8, 2026

Filing snapshot

1,009+
Total Filings
4
Latest Form
2026-06-03
Most Recent
1987
Filing Since

Source: SEC EDGAR (data.sec.gov) · CIK 0000074303 · Updated hourly · Not investment advice

Latest Annual Report

10-K · Annual ReportFY
Filed Date
2026-02-20
Fiscal Year End
Feb 20, 2026
Accession No.
0000074303-26-000027
Primary Document
oln-20251231.htm
Source: data.sec.gov · CIK 0000074303 · Accession 0000074303-26-000027

Latest Key Filings

10-QQuarterly Report
FORM 10-Q
2026-05-08
8-KCurrent Report
8-K/A
2026-05-21Material Event
Form 4Insider Activity
Ownership Change Disclosures

Executive & director trade disclosures. Full buy/sell sentiment analysis on the dedicated tab.

SEC Filing History

Hide Form 4 / 144
SDSD
FORM SD
2026-05-29
View
8-K/ACurrent Report (Amended)
8-K/A
2026-05-21
View
SCHEDULE 13G/ASCHEDULE 13G/A
SCHEDULE 13G/A
2026-05-13
View
10-QQuarterly Report
FORM 10-Q
2026-05-08
View
8-KCurrent Report
FORM 8-K
2026-05-07
View
S-8Employee Stock Plan Registration
FORM S-8
2026-04-30
View
8-KCurrent Report
8-K
2026-04-30
View
SCHEDULE 13GSCHEDULE 13G
SCHEDULE 13G
2026-04-30
View
SCHEDULE 13G/ASCHEDULE 13G/A
SCHEDULE 13G/A
2026-03-27
View
ARSARS
ARS
2026-03-20
View
DEFA14AProxy Statement (Additional)
ADDITIONAL DEFINITIVE PROXY SOLICITING MATERIALS
2026-03-20
View
DEF 14AProxy Statement
DEFINITIVE PROXY STATEMENT
2026-03-20
View
S-3ASRS-3ASR
S-3ASR
2026-03-05
View
10-KAnnual Report
FORM 10-K
2026-02-20
View
S-8 POSS-8 POS
2006 LTIP DEREGISTRATION
2026-02-19
View
Showing 1–15 of 404 filingsForm 4 / 144 hidden· 1009 total in EDGAR

About SEC Filings & 10-K Annual Reports

Data source: SEC EDGAR (data.sec.gov)  |  Updated: Hourly  |  CIK: 0000074303  |  Exchange: NYSE · Basic Materials

Olin Corporation (NYSE: OLN) has submitted 1,009+ documents to the U.S. Securities and Exchange Commission (SEC) since its IPO in 1987. As a Basic Materials sector company with CIK 0000074303, all filings are publicly accessible via the EDGAR database at no cost.

The annual 10-K report is Olin Corporation's most comprehensive regulatory disclosure. The most recent Olin Corporation 10-K was filed on 2026-02-20 for fiscal year ending 2026. Historical OLN 10-K annual reports are available from 2016 through 2026.

Investors researching Olin Corporation SEC filings can access 10-K annual reports, quarterly 10-Q reports, material event 8-K filings, and proxy statements directly from the links above. All documents are sourced from the official SEC EDGAR system.

Source: SEC EDGAR · data.sec.gov · SEC Form 10-K · SEC Form 10-Q · SEC Form 8-K2026-06-08

Frequently Asked Questions

OLN SEC Filings · 8 questions

Olin Corporation (OLN) SEC filings are publicly available on this page and on the official SEC EDGAR database at sec.gov. You can browse all 1,009+ filings and access original documents at no cost. Olin Corporation's CIK is 0000074303.

OLN SEC filingsOlin Corporation SEC documentsfind OLN 10-K