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
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person *
Arlak Karen Elizabeth

(Last) (First) (Middle)
C/O HONEYWELL AEROSPACE INC.
1944 E SKY HARBOR CIRCLE N

(Street)
PHOENIX AZ 85034

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Honeywell Aerospace Inc. [ HONA ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
SVP and CHRO
3. Date of Earliest Transaction (Month/Day/Year)
07/16/2026
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 07/16/2026   M (1)   1,756.5331 A (2) 4,363.3471 D  
Common Stock 07/16/2026   F   471 D $ 208.37 3,892.3471 D  
Common Stock               1,512 (3) I Held in 401(k) plan
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
Restricted Stock Units (2) 07/16/2026   M     1,756.5331 (4)   (5)   (5) Common Stock 1,756.5331 (4) (5) $ 0 1,663.4669 (5) (6) D  
Explanation of Responses:
1. Reflects settlement of performance stock units that were received by the reporting person when the reporting person was employed by Honeywell International Inc. ("Honeywell") granted under the 2016 Stock Incentive Plan of Honeywell International Inc. and its Affiliates that vested upon the successful completion of the spin-off of Issuer from Honeywell on June 29, 2026 and were adjusted to reflect the spin-off and further adjusted to reflect the reverse stock split of Honeywell.
2. Instrument converts to Issuer's Common Stock on a one-for-one basis.
3. Common Stock held indirectly by the reporting person in the Honeywell Aerospace 401(k) Plan.
4. Includes the reinvestment of dividend equivalents into 46.5330 additional restricted stock units.
5. Performance stock units that were received by the reporting person when the reporting person was employed by Honeywell the balance of which will vest on June 29, 2027. The performance stock units are governed by the 2026 Stock Incentive Plan of Honeywell Aerospace Inc. and its Affiliates.
6. Excludes reinvestment of dividend equivalents during the vesting period.
/s/ Jennifer Nelson for Karen Elizabeth Arlak 07/20/2026
** Signature of Reporting Person Date
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).
** 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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