Olin Corporation

OLN·NYSE·$26.13Share Price as of 11/2·$3BMarket Cap as of 11/2

Financials

10-QQ3 ended 09/30/2610/30/26 10-QQ2 ended 06/30/2607/31/26 10-QQ1 ended 03/31/2605/08/26 10-KFY 202502/20/26 10-QQ3 ended 09/30/2510/28/25

Disclosures

8-KCurrent report10/29/26 8-KCurrent report10/28/26 8-KCurrent report08/25/26 8-KCurrent report08/18/26 8-KCurrent report08/11/26

Prospectuses and Registrations

S-8Registration of securities for employees08/12/26 424B3Prospectus07/13/26 S-4/ARegistration (business combination, amended)07/10/26 S-4Registration (business combination)07/02/26 S-8Registration of securities for employees04/30/26

Proxies

DEF 14ADefinitive proxy03/20/26 DEFA14AAdditional proxy materials03/20/26 DEF 14ADefinitive proxy03/21/25 DEFA14AAdditional proxy materials03/21/25 DEF 14ADefinitive proxy03/15/24

Ownership

SC 13GBeneficial ownership08/13/26 SC 13GBeneficial ownership07/14/26 Form 4Insider transaction06/18/26 Form 4Insider transaction06/03/26 Form 4Insider transaction05/19/26

Other

42542508/05/26 42542507/29/26 42542507/22/26 42542507/14/26 EFFECTRequest for effectiveness07/13/26