Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 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 that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 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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1. Name and Address of Reporting Person * MENDELSON ERIC A 2. Issuer Name and Ticker or Trading Symbol HEICO CORP [HEI, HEI.A] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) __X__ Other (specify below) Co-COB and Co-CEO / Member of 10% owner group (Last) (First) (Middle) 825 BRICKELL BAY DRIVE, SUITE 1644 3. Date of Earliest Transaction (Month/Day/Year) 10/31/2025 (Street) MIAMI, FL 33131 4. If Amendment, Date 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 (City) (State) (Zip) 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 10/31/2025 M 80,000 A $44.9638 1,304,411 D Common Stock 10/31/2025 F 38,004 D $317.77 1,266,407 D Class A Common Stock 148,891 D Common Stock 15,227 I By Keogh Account Class A Common Stock 10,078 I By Keogh Account Common Stock 427,326 I By Trusts(1) Class A Common Stock 191,440 I Owned by Corporation(2) Common Stock 392,718 I Owned by Partnership(3) Common Stock 4,522 I As custodian for children Class A Common Stock 5,204 I As custodian for children Common Stock 112,444 I By 401(k)(4) Class A Common Stock 107,166 I By 401(k)(4) Common Stock 6,302 I By 409A Plan(5) Class A Common Stock 10,042 I By 409A Plan(5)

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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 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

Option (Right to purchase Common Stock)

$44.9638

10/31/2025

M

80,000

(6)

03/17/2027

Common Stock

80,000

$ 0

115,313

D

Option (Right to purchase Common Stock)

$70.656

(6)

03/16/2028

Common Stock

125,000

125,000

D

Option (Right to purchase Common Stock)

$134.7

(6)

09/24/2031

Common Stock

125,000

125,000

D

Option (Right to purchase Common Stock)

$163.35

(6)

03/17/2033

Common Stock

62,500

62,500

D

Option (Right to purchase Common Stock)

$163.61

(6)

06/09/2033

Common Stock

62,500

62,500

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
MENDELSON ERIC A 825 BRICKELL BAY DRIVE, SUITE 1644 MIAMI, FL 33131	X		Co-COB and Co-CEO	Member of 10% owner group

Signatures

/s/ Eric A. Mendelson		11/04/2025
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Represents shares gifted by the Reporting Person to trusts for the benefit of the Reporting Person's immediate family members and whose Trustee is the Reporting Person.
(2)	Represents shares owned by Mendelson International Corporation whose stock is owned solely by the Reporting Person and Victor Mendelson, the brother of the Reporting Person.
(3)	Represents shares owned by EAM Management Limited Partners, a partnership whose sole general partner is a corporation controlled by the Reporting Person.
(4)	Represents shares held for the benefit of the Reporting Person by the HEICO Corporation 401(k), based on a plan statement dated October 31, 2025.
(5)	Represents shares held for the Reporting Person by the HEICO Leadership Compensation Plan (409A Plan).
(6)	These options are exercisable at 20% per year over five years from the date of grant.

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