FORM 3
        
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Wichman Gordon Douglas
2. Date of Event Requiring Statement (MM/DD/YYYY)
1/1/2022 

3. Issuer Name and Ticker or Trading Symbol

AAON, INC. [AAON]
(Last)        (First)        (Middle)

2425 S YUKON AVE
4. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                          _____ 10% Owner
___X___ Officer (give title below)        _____ Other (specify below)
Vice President /
(Street)

TULSA, OK 74107      

(City)              (State)              (Zip)
5. If Amendment, Date Original Filed(MM/DD/YYYY)
 

6. Individual or Joint/Group Filing(Check Applicable Line)

_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock, par value $.004 4703 D  
Common Stock, par value $.004 1294 I 401(k) Plan 

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(MM/DD/YYYY)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (Right to Buy) 8/1/2017 8/1/2026 Common Stock 304.0 $26.47 D  
Stock Option (Right to Buy) 11/18/2017 11/18/2026 Common Stock 300.0 $32.8 D  
Stock Option (Right to Buy) 4/10/2018 4/10/2027 Common Stock 600.0 $34.4 D  
Stock Option (Right to Buy) 2/9/2019 2/9/2028 Common Stock 1240.0 $33.2 D  
Stock Option (Right to Buy) 10/23/2019 10/23/2028 Common Stock 13668.0 $32.37 D  
Stock Option (Right to Buy) 3/11/2020 3/11/2029 Common Stock 32500.0 $41.37 D  
Stock Option (Right to Buy) 3/11/2021 3/11/2030 Common Stock 10520.0 $44.22 D  
Stock Option (Right to Buy) 3/11/2022 3/11/2031 Common Stock 4071.0 $73.36 D  

Explanation of Responses:

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
Wichman Gordon Douglas
2425 S YUKON AVE
TULSA, OK 74107


Vice President

Signatures
Gordon D. Wichman1/11/2022
**Signature of Reporting PersonDate

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