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* MENDELSON ERIC A (Last) (First) (Middle) 825 BRICKELL BAY DRIVE, SUITE 1644 (Street) MIAMI FL 33131 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol HEICO CORP [ HEI, HEI.A ] Foreign Trading Symbol	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner Officer (give title below) Other (specify below) Co-COB and Co-CEO / Member of 10% owner group
	3. Date of Earliest Transaction (Month/Day/Year) 10/26/2026
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) 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	10/26/2026		M		58,000	A	$44.9638	1,324,407	D
Common Stock	10/26/2026		F		27,640	D	$309.71	1,296,767	D
Class A Common Stock								151,239(1)	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(2)
Class A Common Stock								189,030	I	Owned by Corporation(3)
Common Stock								392,718	I	Owned by Partnership(4)
Common Stock								4,522	I	As custodian for children
Class A Common Stock								5,204	I	As custodian for children
Common Stock								112,558	I	By 401(k)(5)
Class A Common Stock								107,303	I	By 401(k)(5)
Common Stock								6,302	I	By 409A Plan(6)
Class A Common Stock								7,694	I	By 409A Plan(6)

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
Option (Right to purchase Common Stock)	$44.9638	10/26/2026		M			58,000	(7)	03/17/2027	Common Stock	58,000	$0	57,313	D
Option (Right to purchase Common Stock)	$70.656							(7)	03/16/2028	Common Stock	125,000		125,000	D
Option (Right to purchase Common Stock)	$134.7							(7)	09/24/2031	Common Stock	125,000		125,000	D
Option (Right to purchase Common Stock)	$163.35							(7)	03/17/2033	Common Stock	62,500		62,500	D
Option (Right to purchase Common Stock)	$163.61							(7)	06/09/2033	Common Stock	62,500		62,500	D
Option (Right to purchase Common Stock)	$256.01							05/27/2026(8)	03/14/2035	Common Stock	10,000		10,000	D

Explanation of Responses:

1. Includes 2,348 shares previously held by the 409A Plan which were distributed to the reporting person and are now owned directly.

2. 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.

3. 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.

4. Represents shares owned by EAM Management Limited Partners, a partnership whose sole general partner is a corporation controlled by the Reporting Person.

5. Represents shares held for the benefit of the Reporting Person by the HEICO Corporation 401(k) plan, based on a plan statement dated October 27, 2026.

6. Represents shares held for the Reporting Person by the HEICO Leadership Compensation Plan (409A Plan).

7. These options are exercisable at 20% per year over five years from the date of grant.

8. Represents the vesting of the first tranche (20%) of performance-based stock options originally granted on March 14, 2025. Vesting occurred upon certification by the Compensation Committee on May 27, 2026 that the applicable performance conditions for the first measurement interval were achieved.

Remarks:

	/s/ Eric A. Mendelson	10/28/2026
	** 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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