What changed in this filing

/stocks — the workspaceLOADING

Item 9A. Controls and Procedures

2025-02-27 compared with 2024-02-28 · 25 added, 17 removed, 110 unchanged (28% of the section changed)

66 unchanged sentences

(b) Exhibits:

(3) (A) Amended and Restated Articles of Incorporation (ii)

(B) Amended and Restated Bylaws (i)

Amended and Restated Articles of Incorporation (i)

Amended and Restated Bylaws (ii)

Amended and Restated Loan Agreement (dated November 24, 2021) and related documents (iii)

(4.2) First Amendment to the Amended and Restated Loan Agreement (dated May 27, 2022) and related documents (viii)

First Amendment to the Amended and Restated Loan Agreement (dated May 27, 2022) and related documents (iv)

Third Amendment to the Amended and Restated Loan Agreement (dated December 16, 2024) and related documents (v)

Description of Securities

(10.1) AAON, Inc.

1992 Stock Option Plan, as amended (v)

(10.2) AAON, Inc.

2007 Long-Term Incentive Plan, as amended (vi)

(10.2) AAON, Inc.

2016 Long-Term Incentive Plan (iv)

2016 Long-Term Incentive Plan (vii)

(10.3) AAON, Inc.

2024 Long-Term Incentive Plan (viii)

Executive Severance Plan (adopted July 30, 2024) (ix)

AAON Insider Trading Policy (adopted December 11, 2024)

List of Subsidiaries

4 unchanged sentences

Section 1350 Certification – CFO

Executive Officer Compensation Recovery Policy

Membership Interest Purchase Agreement - Acquisition of BASX, LLC (dated November 18, 2021) (vii)

Executive Officer Compensation Recovery Policy (x)

Membership Interest Purchase Agreement - Acquisition of BASX, LLC (dated November 18, 2021) (xi)

(101) (INS) Inline XBRL Instance Document

5 unchanged sentences

(104) Cover Page Interactive Data File (embedded within the Inline XBRL Document and included in Exhibit 101)

(i) Incorporated herein by reference to the exhibits to our Form 8-K dated May 15, 2020.

(ii) Incorporated herein by reference to exhibits to our Annual Report on Form 10-K for the fiscal year ended December 31, 2014.

(i) Incorporated herein by reference to the exhibit to our Form 10-Q dated June 30, 2024.

(ii) Incorporated herein by reference to the exhibit to our Form 8-K dated March 9, 2023.

(iii) Incorporated herein by reference to exhibit to our Form 8-K dated November 24, 2021.

(iv) Incorporated herein by reference to our Form S-8 Registration Statement No.

(iv) Incorporated herein by reference to the exhibits to our Form 8-K dated May 27, 2022.

(v) Incorporated herein by reference to the exhibits to our Form 8-K dated December 16, 2024.

(vi) Incorporated herein by reference to our Form S-8 Registration Statement No.

333-151915 dated June 24, 2008 and our Form S-8 Registration Statement No.

333-207737 dated November 2, 2015.

(vii) Incorporated herein by reference to our Form S-8 Registration Statement No.

333-212863 dated August 2, 2016, our Form S-8 Registration Statement No.

1 unchanged sentence

333-241538 dated August 6, 2020.

(v) Incorporated herein by reference to exhibits to our Annual Report on Form 10-K for the fiscal year ended December 31, 1991, and to our Form S-8 Registration Statement No.

(vi) Incorporated herein by reference to our Form S-8 Registration Statement No.

333-151915, Form S-8 Registration Statement No.

(vii) Incorporated herein by reference to exhibits to our Annual Report on Form 10-K for the fiscal year ended December 31, 2021.

(viii) Incorporated herein by reference to the exhibits to our Form 8-K dated May 27, 2022.

(viii) Incorporated herein by reference to our Form S-8 Registration Statement No.

333-279594 dated May 21, 2024 and our Form S-8 POS Registration Statement No.

333-241538 dated June 25, 2024.

(ix) Incorporated herein by reference to the exhibit to our Form 8-K dated July 30, 2024.

(x) Incorporated herein by reference to exhibits to our Annual Report on Form 10-K for the fiscal year ended December 31, 2023.

(xi) Incorporated herein by reference to exhibits to our Annual Report on Form 10-K for the fiscal year ended December 31, 2021.

Pursuant to the requirement of Section 13 or 15(d) of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.

10 unchanged sentences

Christopher D.

Chief Accounting Officer

Principal Accounting Officer

8 unchanged sentences

Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.

What changed 10-K

Item 9A. Controls and Procedures