Innospec Inc.

IOSP·NASDAQ·$81.96Share Price as of 11/2·$2BMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/05/26 10-QQ1 ended 03/31/2605/08/26 10-KFY 202502/18/26 10-QQ3 ended 09/30/2511/05/25 10-QQ2 ended 06/30/2508/06/25

Disclosures

8-KCurrent report08/05/26 8-KCurrent report06/04/26 8-KCurrent report05/13/26 8-KCurrent report05/08/26 8-KCurrent report02/18/26

Prospectuses and Registrations

S-8Registration of securities for employees06/08/18 S-8Registration of securities for employees05/24/11 S-8Registration of securities for employees05/09/11

Proxies

DEF 14ADefinitive proxy03/26/26 DEFA14AAdditional proxy materials03/26/26 DEF 14ADefinitive proxy03/27/25 DEFA14AAdditional proxy materials03/27/25 DEF 14ADefinitive proxy03/28/24

Ownership

SC 13GBeneficial ownership10/07/26 SC 13G/ABeneficial ownership (amended)10/07/26 Form 4Insider transaction10/05/26 Form 4Insider transaction10/05/26 Form 4Insider transaction10/05/26

Other

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