[Form 4] HEICO CORP Insider Trading Activity

Rhea-AI Filing Summary

HEICO Corp (HEI) insider activity: Director Mark H. Hildebrandt reported buying 400 shares of Class A Common Stock at $248.76 on 10/21/2025 (Transaction Code: P). The purchased shares are held indirectly in Irrevocable Trusts. The filing also lists additional holdings, including shares held directly, via a 409A plan, and in other trusts, with ownership forms noted as direct or indirect.

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

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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).

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^*

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)
10/21/2025

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								49,423	I	By 409A Plan(2)
Class A Common Stock								3,019	I	Irrevocable Trusts(3)
Class A Common Stock	10/21/2025		P		400	A	$248.76	1,181	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	10/23/2025
	** 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 insider transaction did HEICO (HEI) disclose?

Director Mark H. Hildebrandt purchased 400 shares of Class A Common Stock at $248.76 on 10/21/2025.

What was the transaction code in the HEICO (HEI) Form 4?

The transaction code was P, indicating an open-market purchase.

How are the newly purchased HEICO shares held?

They are held indirectly in Irrevocable Trusts.

Who is the reporting person in this Form 4 for HEICO (HEI)?

The reporting person is Mark H. Hildebrandt, a Director of HEICO Corp.

Does the filing show other HEICO holdings for the director?

Yes. The filing lists additional shares held directly, via a 409A plan, and in trusts, with ownership forms specified.

Which HEICO security class was purchased?

The purchase was Class A Common Stock.