Newmarket Corporation

NEU·NYSE·$762.23Share Price as of 11/2·$7BMarket Cap as of 11/2

Financials

10-QQ3 ended 09/30/2610/29/26 10-QQ2 ended 06/30/2607/30/26 10-QQ1 ended 03/31/2604/23/26 10-KFY 202502/12/26 10-QQ3 ended 09/30/2510/31/25

Disclosures

8-KCurrent report10/29/26 8-KCurrent report10/28/26 8-KCurrent report08/13/26 8-KCurrent report07/29/26 8-KCurrent report04/23/26

Prospectuses and Registrations

S-3ASRAutomatic shelf registration02/27/24 S-8Registration of securities for employees06/20/23 424B5Prospectus supplement03/05/21 424B5Prospectus supplement03/04/21 FWPFree writing prospectus03/04/21

Proxies

DEF 14ADefinitive proxy03/12/26 DEFA14AAdditional proxy materials03/12/26 DEF 14ADefinitive proxy03/12/25 DEFA14AAdditional proxy materials03/12/25 DEF 14ADefinitive proxy03/11/24

Ownership

Form 4Insider transaction10/06/26 Form 4Insider transaction09/10/26 Form 4Insider transaction07/01/26 Form 4Insider transaction07/01/26 Form 4Insider transaction07/01/26

Other

11-KEmployee stock purchase plan report05/18/26 ARSAnnual report to shareholders03/12/26 11-KEmployee stock purchase plan report05/22/25 ARSAnnual report to shareholders03/12/25 11-KEmployee stock purchase plan report05/29/24