[Form 4] AAR CORP Insider Trading Activity

Rhea-AI Filing Summary

AAR CORP’s Chairman, President & CEO Holmes John McClain III reported several equity transactions dated February 3, 2026. He exercised stock options for 10,000 shares of common stock at an exercise price of $37.66 per share, increasing his direct common holdings.

On the same day, he sold 10,000 shares of common stock at a weighted average price of $108.4363 per share, with individual sale prices ranging from $108.2800 to $108.5673. He also contributed 2,000 shares to a donor advised charitable fund.

After these transactions, he directly owned 235,064 shares of AAR CORP common stock and 62,225 stock options related to common stock.

Insider Trade Summary

Net Seller: 10,000 shares ($1,084,363)

Net Sell 4 txns

Insider Holmes John McClain III

Role Chairman, President & CEO

Sold 10,000 shs ($1.08M)

Type	Security	Shares	Price	Value
Exercise	Stock Option	10,000	$0.00	--
Exercise	Common Stock	10,000	$37.66	$377K
Sale	Common Stock	10,000	$108.4363	$1.08M
Gift	Common Stock	2,000	$0.00	--

Holdings After Transaction: Stock Option — 62,225 shares (Direct); Common Stock — 247,064 shares (Direct)

Footnotes (1)

1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.2800 to $108.5673 inclusive. The reporting person undertakes to provide AAR CORP., any security holder of AAR CORP., or the staff of the Securities and Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. Represents shares contributed to a donor advised charitable fund.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Holmes John McClain III

(Last) (First) (Middle)

1100 N. WOOD DALE ROAD

(Street)

WOOD DALE IL 60191

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
AAR CORP [ AIR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chairman, President & CEO

3. Date of Earliest Transaction (Month/Day/Year)
02/03/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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
Common Stock	02/03/2026		M		10,000	A	$37.66	247,064	D
Common Stock	02/03/2026		S		10,000	D	$108.4363(1)	237,064	D
Common Stock	02/03/2026		G		2,000(2)	D	$0	235,064	D

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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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: 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	$37.66	02/03/2026		M			10,000	07/31/2020	07/08/2029	Common Stock	10,000	$0	62,225	D

Explanation of Responses:

1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.2800 to $108.5673 inclusive. The reporting person undertakes to provide AAR CORP., any security holder of AAR CORP., or the staff of the Securities and Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

2. Represents shares contributed to a donor advised charitable fund.

	/s/ Katherine Kwiat, power of attorney	02/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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