Sec Form 4 Filing - Hagerty Holding Corp. @ Hagerty, Inc. - 2025-08-07

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Hagerty Holding Corp. 2. Issuer Name and Ticker or Trading Symbol Hagerty, Inc. [ HGTY] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 175 WILSON ROAD 3. Date of Earliest Transaction (MM/DD/YY) 08/07/2025 (Street) TRAVERSE CITY, MI49686 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 08/07/2025 C 8,245,000 A 8,245,000 D Class A Common Stock 08/07/2025 S 8,245,000 D $ 8.9197 0 D

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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 Class V Common Stock ( 2 ) 08/07/2025 C 8,245,000 ( 2 ) ( 2 ) Class A Common Stock 8,245,000 ( 1 ) 167,788,906 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Hagerty Holding Corp. 175 WILSON ROAD TRAVERSE CITY, MI49686 X Signatures HAGERTY HOLDING CORP. By: /s/ Jessica Sullivan Name: Jessica Sullivan Title: Secretary 08/11/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )8,245,000 shares of Class A Common Stock were issued to the Reporting Person in exchange for an equal number of Paired Interests (as defined below) that were surrendered by the Reporting Person pursuant to the Amended and Restated Exchange Agreement, dated as of December 2, 2021 and amended and restated as of March 23, 2022 (the "Exchange Agreement"), among the Issuer, The Hagerty Group, LLC ("OpCo"), the Reporting Person, Markel Corporation ("Markel") and each of the Reporting Person's and Markel's Qualified Transferees (as defined therein). Each "Paired Interest" consists of one share of Class V Common Stock of the Issuer and one unit of limited liability company interest of OpCo and may be surrendered by the Reporting Person pursuant to the Exchange Agreement in exchange for a share of Class A Common Stock of the Issuer or, at the option of the Issuer, cash. ( 2 )Each Paired Interest has no expiration date and may be surrendered by the Reporting Person pursuant to the Exchange Agreement in exchange for a share of Class A Common Stock of the Issuer or, at the option of the Issuer, cash.

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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