Stepan Co.

SCL·NYSE·$53.20Share Price as of 11/2·$1BMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/05/26 10-QQ1 ended 03/31/2605/06/26 10-KFY 202502/26/26 10-QQ3 ended 09/30/2511/05/25 10-QQ2 ended 06/30/2508/06/25

Disclosures

8-KCurrent report10/28/26 8-KCurrent report09/28/26 8-KCurrent report07/29/26 8-KCurrent report04/30/26 8-KCurrent report04/28/26

Prospectuses and Registrations

S-8Registration of securities for employees04/29/25 S-8Registration of securities for employees04/26/22

Proxies

DEF 14ADefinitive proxy03/25/26 DEF 14ADefinitive proxy03/25/25 DEF 14ADefinitive proxy03/26/24 DEF 14ADefinitive proxy03/20/23 DEF 14ADefinitive proxy03/25/22

Ownership

SC 13GBeneficial ownership10/08/26 Form 4Insider transaction08/28/26 Form 4Insider transaction08/12/26 Form 3Initial insider ownership08/04/26 Form 4Insider transaction05/12/26

Other

SDConflict Minerals disclosure05/29/26 ARSAnnual report to shareholders03/25/26 SDConflict Minerals disclosure05/30/25 ARSAnnual report to shareholders03/25/25 SDConflict Minerals disclosure05/31/24