Mark H. Hildebrandt - 08 Oct 2026 Form 4 Insider Report for HEICO CORP (HEI)

Reporting relationship: Director
Issuer ticker: HEI
Reported as of: 08 Oct 2026
Net transaction value: +$175,142
SEC form: 4
Accepted by SEC: 13 Oct 2026, 15:31:45 UTC
Prior SEC filing: 23 Oct 2025
Source filing: View source filing
Reporting owner signature: /s/ Mark H. Hildebrandt

Filing notes and source

Key filing fact

Mark H. Hildebrandt filed Form 4 for HEICO CORP (HEI) on 13 Oct 2026.

Key facts

This page summarizes Mark H. Hildebrandt's Form 4 filing for HEICO CORP (HEI).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 13 Oct 2026, 15:31.

Change

Previous filing in this sequence was filed on 23 Oct 2025.
Current net transaction value: +$175,142.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001445233 Primary reporting owner

Hildebrandt Mark H

Relationship: Director
Address: 3000 TAFT STREET, HOLLYWOOD
Signature: /s/ Mark H. Hildebrandt
Signature date: 13 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

HEI transaction

Class A Common Stock

Purchase

Transaction value: $175,142
Shares: +795
Change %: +1.6%
Price: $220.30
Shares after: 50,218
Date: 08 Oct 2026
Ownership: By 409A Plan
Footnotes: F2

HEI holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,974
Date: 08 Oct 2026
Ownership: Direct
Footnotes: F1

HEI holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 5,470
Date: 08 Oct 2026
Ownership: By 409A Plan
Footnotes: F2

HEI holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 3,019
Date: 08 Oct 2026
Ownership: Irrevocable Trusts
Footnotes: F3

HEI holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,181
Date: 08 Oct 2026
Ownership: Irrevocable Trusts
Footnotes: F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

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

Footnote F2

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

Footnote 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.

Footnote 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.