[Form 4] HEICO CORP Insider Trading Activity

Rhea-AI Filing Summary

HEICO (HEI) director Mark H. Hildebrandt filed a Form 4 reporting an open‑market purchase. On 10/10/2025, he acquired 676 shares of HEICO Class A Common Stock at $243.934 per share. Following this transaction, he beneficially owned 49,423 Class A shares indirectly through the HEICO Corporation Leadership Compensation Plan (409A Plan).

He also reported 1,974 Class A shares held directly in brokerage accounts as a joint tenant with right of survivorship, plus additional Class A holdings held indirectly via irrevocable trusts: 3,019 shares and 781 shares. Separately, he reported 5,470 shares of HEICO Common Stock held indirectly through the 409A Plan.

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

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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^*

Hildebrandt Mark H

(Last) (First) (Middle)

3000 TAFT STREET

(Street)

HOLLYWOOD FL 33021

(City) (State) (Zip)

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
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
10/10/2025

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
Class A Common Stock								1,974	D(1)
Common Stock								5,470	I	By 409A Plan(2)
Class A Common Stock	10/10/2025		P		676	A	$243.934	49,423	I	By 409A Plan(2)
Class A Common Stock								3,019	I	Irrevocable Trusts(3)
Class A Common Stock								781	I	Irrevocable Trusts(4)

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

Explanation of Responses:

1. Represents shares held in brokerage accounts for which the Reporting Person is a joint tenant with right of survivorship.

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

3. Represents shares held in an Irrevocable Trust whose trustees are Jo Ann Hildebrandt, the Reporting Person's wife, and Jamie Hildebrandt Jerome, the Reporting Person's daughter.

4. Represents shares held in Irrevocable Trusts whose trustees are Jo Ann Hildebrandt, the Reporting Person's wife, and Jessica Lee Hildebrandt, the Reporting Person's daughter.

Remarks:

	/s/ Mark H. Hildebrandt	10/14/2025
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did HEICO (HEI) disclose in this Form 4?

A director, Mark H. Hildebrandt, purchased 676 Class A shares at $243.934 on 10/10/2025 and updated his beneficial ownership.

What price was paid for the new HEICO Class A shares?

He paid $243.934 per share for 676 Class A shares.

How many HEICO Class A shares does the director own after the trade?

He beneficially owned 49,423 Class A shares indirectly via the 409A Plan following the reported transaction.

What other HEICO Class A holdings were reported?

He reported 1,974 Class A shares held directly as a joint tenant, plus 3,019 and 781 Class A shares held indirectly in irrevocable trusts.

Did the filing include HEICO Common Stock (non‑Class A) holdings?

Yes. He reported 5,470 Common shares held indirectly via the 409A Plan.