Sec Form 3/A Filing - Kiai Parsa @ MEDIFAST INC - 2026-05-19

FORM 3/A 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 Kiai Parsa 2. Issuer Name and Ticker or Trading Symbol MEDIFAST INC [ MED] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 24 MAPLE AVENUE 3. Date of Earliest Transaction (MM/DD/YY) 05/19/2026 (Street) RYE, NY10580 4. If Amendment, Date Original Filed (MM/DD/YY) 05/28/2026 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (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 Common Stock 590,793 I See notes ( 1 ) ( 3 ) Common Stock 17,003 I See notes ( 2 ) ( 3 )

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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Kiai Parsa 24 MAPLE AVENUE RYE, NY10580 X Signatures /s/ Parsa Kiai 07/09/2026 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Shares are owned by Steamboat Capital Partners Master Fund, LP (Master). Master has delegated investment discretion to Steamboat Capital Partners, LLC ("IA") ( 2 )Shares are owned by Steamboat Capital Partners II, LP (II). ( 3 )Steamboat Capital Partners GP, LLC (GP) is general partner of, and entitled to receive a performance allocation from, each of Master and II. Parsa Kiai (Kiai) is the Managing Member of GP and IA. Accordingly, Kiai may be deemed to have a pecuniary interest in shares owned by Master and II. Kiai disclaims beneficial ownership of securities reported hereon except to the extent of his pecuniary interest therein.

Remarks: Reason for Amendment: This amendment is filed in order to amend and restate Table I in its entirety to (i) correct the number of shares disclosed and (ii) separately disclose the different indirect ownership of the shares reported.

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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