Christopher A. Jessup - 09 Jan 2026 Form 4 Insider Report for AAR CORP (AIR)

Role: Senior Vice President-CCO
Signature: /s/ Katherine Kwiat, power of attorney
Issuer symbol: AIR
Transactions as of: 09 Jan 2026
Net transactions value: -$1,688,698
Form type: 4
Filing time: 12 Jan 2026, 12:18:14 UTC
Previous filing: 01 Aug 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Jessup Christopher A.	Senior Vice President-CCO	1100 N. WOOD DALE ROAD, WOOD DALE	/s/ Katherine Kwiat, power of attorney	12 Jan 2026	0001782618

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AIR	Common Stock	Sale	$871,148	-8,969	-12%	$97.13	65,769	09 Jan 2026	Direct	F1
transaction	AIR	Common Stock	Options Exercise	$95,407	+2,528	+3.8%	$37.74	68,297	09 Jan 2026	Direct
transaction	AIR	Common Stock	Sale	$245,216	-2,528	-3.7%	$97.00	65,769	09 Jan 2026	Direct
transaction	AIR	Common Stock	Options Exercise	$3,005	+59	+0.09%	$50.93	65,828	09 Jan 2026	Direct
transaction	AIR	Common Stock	Sale	$5,723	-59	-0.09%	$97.00	65,769	09 Jan 2026	Direct
transaction	AIR	Common Stock	Options Exercise	$505,282	+12,065	+18%	$41.88	77,834	09 Jan 2026	Direct
transaction	AIR	Common Stock	Sale	$1,170,305	-12,065	-16%	$97.00	65,769	09 Jan 2026	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Date	Underlying Class	Amount	Exercise Price	Ownership
transaction	AIR	Stock Option	Options Exercise	$0	-2,528	-100%	$0.000000	09 Jan 2026	Common Stock	2,528	$37.74	Direct
transaction	AIR	Stock Option	Options Exercise	$0	-59	-100%	$0.000000	09 Jan 2026	Common Stock	59	$50.93	Direct
transaction	AIR	Stock Option	Options Exercise	$0	-12,065	-100%	$0.000000	09 Jan 2026	Common Stock	12,065	$41.88	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $97.0000 to $97.3400 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.

Content

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $97.0000 to $97.3400 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.