Sec Form 4 Filing - Currier James E @ Honeywell Aerospace Inc. - 2026-06-29

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 Currier James E 2. Issuer Name and Ticker or Trading Symbol Honeywell Aerospace Inc. [ HONA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) President and CEO (Last) (First) (Middle) C/O HONEYWELL AEROSPACE INC., 1944 E SKY HARBOR CIRCLE N 3. Date of Earliest Transaction (MM/DD/YY) 06/29/2026 (Street) PHOENIX, AZ85034 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 Common Stock 2,261 ( 1 ) D Common Stock 0 ( 1 ) ( 2 ) 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 (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 Restricted Stock Units ( 3 ) 06/29/2026 A( 4 ) 0 ( 5 ) ( 6 ) ( 6 ) Common Stock 9,254 ( 5 ) $ 0 9,254 ( 5 ) D Restricted Stock Units ( 3 ) 06/29/2026 A( 7 ) 0 ( 5 ) ( 7 ) ( 7 ) Common Stock 6,301 ( 5 ) $ 0 6,301 ( 5 ) D Restricted Stock Units ( 3 ) ( 8 )( 9 ) ( 8 )( 9 ) Common Stock 746 ( 5 ) ( 8 ) 746 ( 5 ) D Restricted Stock Units ( 3 ) ( 8 )( 10 ) ( 8 )( 10 ) Common Stock 969 ( 5 ) ( 8 ) 969 ( 5 ) D Restricted Stock Units ( 3 ) ( 8 )( 11 ) ( 8 )( 11 ) Common Stock 2,952 ( 5 ) ( 8 ) 2,952 ( 5 ) D Restricted Stock Units ( 3 ) ( 8 )( 12 ) ( 8 )( 12 ) Common Stock 3,183 ( 5 ) ( 8 ) 3,183 ( 5 ) D Restricted Stock Units ( 3 ) ( 8 )( 13 ) ( 8 )( 13 ) Common Stock 5,178 ( 5 ) ( 8 ) 5,178 ( 5 ) D Restricted Stock Units ( 3 ) ( 8 )( 14 ) ( 8 )( 14 ) Common Stock 8,665 ( 5 ) ( 8 ) 8,665 ( 5 ) D Employee Stock Options (right to buy) $ 190.51 06/29/2026 A( 15 ) 45,252 ( 15 ) 02/18/2035 Common Stock 45,252 ( 15 ) $ 0 45,252 ( 15 ) D Employee Stock Options (right to buy) $ 135.1 ( 8 )( 16 ) 02/26/2028 Common Stock 1,839 ( 9 ) 1,839 D Employee Stock Options (right to buy) $ 140.03 ( 8 )( 16 ) 02/25/2029 Common Stock 2,774 ( 9 ) 2,774 D Employee Stock Options (right to buy) $ 164.27 ( 8 )( 16 ) 02/13/2030 Common Stock 4,286 ( 9 ) 4,286 D Employee Stock Options (right to buy) $ 184.06 ( 8 )( 16 ) 02/11/2031 Common Stock 3,201 ( 9 ) 3,201 D Employee Stock Options (right to buy) $ 172.26 ( 8 )( 16 ) 02/10/2032 Common Stock 4,761 ( 9 ) 4,761 D Employee Stock Options (right to buy) $ 176.43 ( 8 )( 17 ) 02/22/2033 Common Stock 4,095 ( 9 ) 4,095 D Employee Stock Options (right to buy) $ 176.05 ( 8 )( 18 ) 07/31/2033 Common Stock 22,635 ( 9 ) 22,635 D Employee Stock Options (right to buy) $ 179.49 ( 8 )( 19 ) 02/15/2034 Common Stock 24,578 ( 9 ) 24,578 D Employee Stock Options (right to buy) $ 190.51 ( 8 )( 20 ) 02/18/2035 Common Stock 25,110 ( 9 ) 25,110 D Employee Stock Options (right to buy) $ 230.83 ( 8 )( 21 ) 02/18/2036 Common Stock 38,130 ( 9 ) 38,130 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Currier James E C/O HONEYWELL AEROSPACE INC. 1944 E SKY HARBOR CIRCLE N PHOENIX, AZ85034 X President and CEO Signatures /s/ Jennifer Nelson for James E. Currier 07/01/2026 Signature of Reporting Person Date

Explanation of Responses:

( 1 )On June 29, 2026, Honeywell International Inc. ("Honeywell") distributed a pro rata dividend to Honeywell shareowners of one share of common stock, par value $0.01 per share ("HONA Common Stock"), of Honeywell Aerospace Inc., a Delaware corporation ("HONA"), for every two shares of Honeywell common stock, par value $1.00 per share, held by each holder of record as of the close of business on June 15, 2026, to effect the previously announced spin-off of HONA from Honeywell. ( 2 )HONA Common Stock held indirectly by the reporting person in the Honeywell Aerospace 401(k) Plan will be voluntarily reported following the Honeywell Aerospace 401(k) Plan blackout period. ( 3 )Instrument converts to HONA Common Stock on a one-for-one basis. ( 4 )Performance stock units that were received by the reporting person when the reporting person was employed by Honeywell, which were converted into HONA restricted stock units in connection with the spin-off of HONA from Honeywell in accordance with the Employee Matters Agreement, dated July 29, 2026 between the HONA and Honeywell. ( 5 )Excludes reinvestment of dividend equivalents during the vesting period. ( 6 )The restricted stock units will vest on February 16, 2027. ( 7 )Performance stock units that were received by the reporting person when the reporting person was employed by Honeywell, 50% of which vested upon the successful completion of the spin-off of HONA from Honeywell on June 29, 2026 and 50% of which will vest on June 29, 2027, and were converted into restricted stock units of HONA Common Stock in accordance with the Employee Matters Agreement, dated July 29, 2026 between Honeywell and HONA. ( 8 )Represents equity awards originally granted by Honeywell that have been adjusted or converted into equity awards of HONA in connection with the spin-off of HONA from Honeywell in accordance with the Employee Matters Agreement, dated July 29, 2026, between HONA and Honeywell. ( 9 )The restricted stock units will vest on July 30, 2026. ( 10 )The restricted stock units will vest on February 11, 2027. ( 11 ) 49% of the restricted stock units will vest on August 1, 2026 and 51% of the restricted stock units will vest on August 1, 2027. ( 12 )49% of the restricted stock units will vest on February 16, 2027 and 51% of the restricted stock units will vest on February 16, 2028. ( 13 )33% of the restricted stock units will vest on February 19, 2027, 33% of the restricted stock units will vest on February 19, 2028 and 34% of the restricted stock units will vest on February 19, 2029. ( 14 )25% of the restricted stock units will vest on each of February 19, 2027, February 19, 2028, February 19, 2029 and February 19, 2030, respectively. ( 15 )Employee stock options granted by Honeywell when the reporting person was employed by Honeywell subject to successful completion of the spin-off of HONA from Honeywell, which were converted into options for HONA Common Stock with 50% vested on June 29, 2026 and 50% vesting on June 29, 2027 in accordance with the Employee Matters Agreement, dated July 29, 2026 between Honeywell and HONA. ( 16 )The employee stock options are fully vested. ( 17 )64% of the employee stock options are fully vested and 33% of the employee stock options will vest on February 23, 2027. ( 18 )50% of the employee stock options are fully vested and 25% of the employee stock options will vest on each of August 1, 2026 and August 1, 2027, respectively. ( 19 )50% of the employee stock options are fully vested and 25% of the employee stock options will vest on each of February 16, 2027 and February 16, 2028, respectively. ( 20 )25% of the employee stock options are fully vested and 25% of the employee stock options will vest on each of February 19, 2027, February 19, 2028 and February 19, 2029, respectively. ( 21 )The employee stock options will vest on February 19, 2030.

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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