Sec Form 4 Filing - Garascia Jessica A. @ AAR CORP - 2020-10-07

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Garascia Jessica A. 2. Issuer Name and Ticker or Trading Symbol AAR CORP [ AIR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Vice President and Secretary (Last) (First) (Middle) 1100 N. WOOD DALE ROAD 3. Date of Earliest Transaction (MM/DD/YY) 10/07/2020 (Street) WOOD DALE, IL60191 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Stock Option $ 18.94 10/07/2020 A 44,330 ( 1 ) 07/31/2021( 2 ) 07/13/2030 Common Stock 44,330 $ 18.94 44,330 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Garascia Jessica A. 1100 N. WOOD DALE ROAD WOOD DALE, IL60191 Vice President and Secretary Signatures /s/ Kai England, Power of Attorney 10/07/2020 Signature of Reporting Person Date

Explanation of Responses:

( 1 )On July 13, 2020, the reporting person was awarded 44,330 non-qualified stock options pursuant to AAR CORP. 2013 Stock Plan (as Amended and Restated Effective July 13, 2020) (the "Plan"). The option grant was approved by the Company's Compensation Committee on July 13, 2020 subject to stockholder approval of the increase in shares issuable under the Plan, pursuant to which the option was granted. The Company's stockholders approved the Plan on October 7, 2020. ( 2 )The awarded stock option vests and becomes exercisable in 1/3 annual installments beginning on July 31, 2021 and shall vest as follows: 33 and 1/3% on each of July 31, 2021, July 31, 2022 and July 31, 2023.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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