Aaon, Inc.

AAON·NASDAQ·$141.12Share Price as of 11/2·$12BMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/10/26 10-QQ1 ended 03/31/2605/07/26 10-KFY 202503/02/26 10-QQ3 ended 09/30/2511/06/25 10-QQ2 ended 06/30/2508/11/25

Disclosures

8-KRegulation FD Disclosure; Other Events08/28/26 8-KOther Events08/13/26 8-KCurrent report08/10/26 8-KChange in Directors or Officers; Amendments to Articles or Bylaws07/30/26 8-KRegulation FD Disclosure06/08/26

Prospectuses and Registrations

S-8 POSPost-effective amendment (S-8)06/25/24 S-8Registration of securities for employees05/21/24 S-8Registration of securities for employees08/06/20 S-8Registration of securities for employees08/02/18 S-8Registration of securities for employees08/03/16

Proxies

DEF 14ADefinitive proxy04/01/26 PRE 14APreliminary proxy03/20/26 DEF 14ADefinitive proxy04/02/25 DEFA14AAdditional proxy materials04/09/24 DEF 14ADefinitive proxy04/08/24

Ownership

Form 4Insider transaction09/16/26 SC 13G/ABeneficial ownership (amended)09/08/26 Form 4Insider transaction09/02/26 Form 4Insider transaction09/01/26 Form 4Insider transaction09/01/26

Other

SDConflict Minerals disclosure05/29/26 ARSAnnual report to shareholders04/01/26 SDConflict Minerals disclosure05/30/25 ARSAnnual report to shareholders04/02/25 SDConflict Minerals disclosure05/30/24