HEICO director Hildebrandt buys 795 Class A shares

The director’s post-purchase position through the compensation plan was 50,218 Class A shares.

Rhea-AI Filing Summary

HEICO Corporation director Mark H. Hildebrandt purchased 795 Class A Common Stock shares on October 8, 2026, at $220.3043 per share. The shares were held for him by the HEICO Corporation Leadership Compensation Plan (409A Plan); 50,218 Class A shares were reported through the plan after the purchase. No Rule 10b5-1 plan is reported. He also reported 1,974 Class A shares in brokerage accounts jointly held with right of survivorship and 5,470 Common Stock shares held through the plan.

Insider Trade Summary

Net Buyer: 795 shares

Net Buy 5 txns

Insider Hildebrandt Mark H

Role Director

Bought 795 shs ($175K)

Type	Security	Shares	Price	Value
Purchase	Class A Common Stock F2	795	$220.3043	$175K
holding	Class A Common Stock F1	--	--	--
holding	Common Stock F2	--	--	--
holding	Class A Common Stock F3	--	--	--
holding	Class A Common Stock F4	--	--	--

Holdings After Transaction: Class A Common Stock — 50,218 shares (Indirect, By 409A Plan); Class A Common Stock — 1,974 shares (Direct); Common Stock — 5,470 shares (Indirect, By 409A Plan); Class A Common Stock — 4,200 shares (Indirect, Irrevocable Trusts)

Footnotes (4)

1. F1. Represents shares held in brokerage accounts for which the Reporting Person is a joint tenant with right of survivorship.
2. F2. Represents shares held for the Reporting Person by the HEICO Corporation Leadership Compensation Plan (409A Plan).
3. F3. 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. F4. 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.

Key Figures

Class A Common Stock purchase: 795 shares Purchase price: $220.3043 per share Class A shares through 409A Plan: 50,218 shares +2 more

5 metrics

Class A Common Stock purchase 795 shares Purchased October 8, 2026

Purchase price $220.3043 per share Class A Common Stock purchase on October 8, 2026

Class A shares through 409A Plan 50,218 shares Reported after the purchase

Class A shares in brokerage accounts 1,974 shares Joint tenancy with right of survivorship

Common Stock shares through 409A Plan 5,470 shares Held for Mark H. Hildebrandt

Key Terms

409A Plan, right of survivorship

2 terms

409A Plan financial

"HEICO Corporation Leadership Compensation Plan (409A Plan)"

right of survivorship technical

"joint tenant with right of survivorship"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many HEI shares did Mark H. Hildebrandt buy, and at what price?

Mark H. Hildebrandt purchased 795 Class A Common Stock shares on October 8, 2026, at $220.3043 per share. The shares were held for him by the HEICO Corporation Leadership Compensation Plan (409A Plan), and 50,218 Class A shares were reported through the plan after the purchase.

What other HEI share holdings did Mark H. Hildebrandt report?

He reported 1,974 Class A shares in brokerage accounts where he was a joint tenant with right of survivorship, and 5,470 Common Stock shares held for him by the HEICO Corporation Leadership Compensation Plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/13/2026 - 03:32 PM EDT Accepted by SEC EDGAR 10/13/2026 - 03:31 PM EDT Learn about SEC filing dates

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^*

Hildebrandt Mark H

(Last) (First) (Middle)

3000 TAFT STREET

(Street)

HOLLYWOOD FLORIDA 33021

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/08/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	10/08/2026		P		795	A	$220.3043	50,218	I	By 409A Plan(2)
Class A Common Stock								3,019	I	Irrevocable Trusts(3)
Class A Common Stock								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	10/13/2026
	** 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).
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.
* Form 4: SEC 1474 (03-26)