MED

SEC source: 0001628280-26-064063 · wk-form4_1790813091.xml · nonDerivative · entry 2

Chard Daniel R · CIK 0001289557 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · The Dan and Allyson Family Irrevocable Trust

Disclosed balance after: 130,609.352

F3 · price: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $11.670 to $11.810, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: These shares are directly owned by The Dan and Allyson Family Irrevocable Trust, for which the reporting person is the Settlor of the Trust and Investment Trustee.

SEC source: 0001628280-26-064063 · wk-form4_1790813091.xml · nonDerivative · entry 1

Chard Daniel R · CIK 0001289557 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · The Dan and Allyson Family Irrevocable Trust

Disclosed balance after: 140,153.352

F1 · price: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $11.900 to $12.125, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: These shares are directly owned by The Dan and Allyson Family Irrevocable Trust, for which the reporting person is the Settlor of the Trust and Investment Trustee.

SEC source: 0001213900-26-094862 · ownership.xml · nonDerivative · entry 2

Kiai Parsa · CIK 0001766850 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Notes

Disclosed balance after: 20,270

F2 · ownership.nature: Ownership of Steamboat Capital Partners II, LP (II).

F3 · ownership.nature: 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 the shares owned by Master and II. Kiai disclaims beneficial ownership of securities reported hereon except to the extent of his pecuniary interest therein.

F4 · ownership.nature: This is an average price. Actual prices paid for the shares purchased on 8/26/26 and reported on this line range from $12.12 to $12.38. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001213900-26-094862 · ownership.xml · nonDerivative · entry 1

Kiai Parsa · CIK 0001766850 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Notes

Disclosed balance after: 707,492

F1 · ownership.nature: Ownership of Steamboat Capital Partners Master Fund, LP (Master) which has delegated investment discretion to Steamboat Capital Partners, LLC (IA).

F3 · ownership.nature: 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 the shares owned by Master and II. Kiai disclaims beneficial ownership of securities reported hereon except to the extent of his pecuniary interest therein.

F4 · ownership.nature: This is an average price. Actual prices paid for the shares purchased on 8/26/26 and reported on this line range from $12.12 to $12.38. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001213900-26-093824 · ownership.xml · nonDerivative · entry 2

Kiai Parsa · CIK 0001766850 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Notes

Disclosed balance after: 19,095

F2 · ownership.nature: Ownership of Steamboat Capital Partners II, LP (II).

F3 · ownership.nature: 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 the shares owned by Master and II. Kiai disclaims beneficial ownership of securities reported hereon except to the extent of his pecuniary interest therein.

F4 · ownership.nature: This is an average price. Actual prices paid for the shares purchased on 8/24/26 and reported on this line range from $11.99 to $12. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001213900-26-093824 · ownership.xml · nonDerivative · entry 1

Kiai Parsa · CIK 0001766850 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Notes

Disclosed balance after: 665,517

F1 · ownership.nature: Ownership of Steamboat Capital Partners Master Fund, LP (Master) which has delegated investment discretion to Steamboat Capital Partners, LLC (IA).

F3 · ownership.nature: 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 the shares owned by Master and II. Kiai disclaims beneficial ownership of securities reported hereon except to the extent of his pecuniary interest therein.

F4 · ownership.nature: This is an average price. Actual prices paid for the shares purchased on 8/24/26 and reported on this line range from $11.99 to $12. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001213900-26-092479 · ownership.xml · nonDerivative · entry 4

Kiai Parsa · CIK 0001766850 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Notes

Disclosed balance after: 18,977

F2 · ownership.nature: Ownership of Steamboat Capital Partners II, LP (II).

F3 · ownership.nature: 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 the shares owned by Master and II. Kiai disclaims beneficial ownership of securities reported hereon except to the extent of his pecuniary interest therein.

F5 · ownership.nature: This is an average price. Actual prices paid for the shares purchased on 8/20/26 and reported on this line range from $11.46 to $11.77. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001213900-26-092479 · ownership.xml · nonDerivative · entry 3

Kiai Parsa · CIK 0001766850 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Notes

Disclosed balance after: 661,306

F1 · ownership.nature: Ownership of Steamboat Capital Partners Master Fund, LP (Master) which has delegated investment discretion to Steamboat Capital Partners, LLC (IA).

F3 · ownership.nature: 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 the shares owned by Master and II. Kiai disclaims beneficial ownership of securities reported hereon except to the extent of his pecuniary interest therein.

F5 · ownership.nature: This is an average price. Actual prices paid for the shares purchased on 8/20/26 and reported on this line range from $11.46 to $11.77. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001213900-26-092479 · ownership.xml · nonDerivative · entry 2

Kiai Parsa · CIK 0001766850 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Notes

Disclosed balance after: 17,802

F2 · ownership.nature: Ownership of Steamboat Capital Partners II, LP (II).

F3 · ownership.nature: 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 the shares owned by Master and II. Kiai disclaims beneficial ownership of securities reported hereon except to the extent of his pecuniary interest therein.

F4 · ownership.nature: This is an average price. Actual prices paid for the shares purchased on 8/19/26 and reported on this line range from $11.56 to $11.80. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001213900-26-092479 · ownership.xml · nonDerivative · entry 1

Kiai Parsa · CIK 0001766850 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Notes

Disclosed balance after: 619,331

F1 · ownership.nature: Ownership of Steamboat Capital Partners Master Fund, LP (Master) which has delegated investment discretion to Steamboat Capital Partners, LLC (IA).

F3 · ownership.nature: 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 the shares owned by Master and II. Kiai disclaims beneficial ownership of securities reported hereon except to the extent of his pecuniary interest therein.

F4 · ownership.nature: This is an average price. Actual prices paid for the shares purchased on 8/19/26 and reported on this line range from $11.56 to $11.80. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001628280-26-038983 · wk-form4_1780011255.xml · nonDerivative · entry 2

Rose Jeffrey Matthew · CIK 0002137123 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,419

F2 · shares: The reporting person elected, pursuant to the Plan, to receive shares of the Issuer's common stock in lieu of cash compensation of annual service as a non-employee director of the Issuer.

SEC source: 0001628280-26-038983 · wk-form4_1780011255.xml · nonDerivative · entry 1

Rose Jeffrey Matthew · CIK 0002137123 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,680

F1 · shares: These restricted stock units were granted under the Medifast, Inc. Director's Deferred Compensation Plan, as Amended and Restated (the "Plan"), in connection with the payment of the reporting person's annual director fees. Each unit represents the right to receive one share of the Issuer's common stock. These shares are granted from the Issuer's Amended and Restated 2012 Share Incentive Plan and will vest in full on May 26, 2027.

SEC source: 0001628280-26-038981 · wk-form4_1780011219.xml · nonDerivative · entry 2

Kiai Parsa · CIK 0001766850 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,317

F2 · shares: The reporting person elected, pursuant to the Plan, to receive shares of the Issuer's common stock in lieu of cash compensation of annual service as a non-employee director of the Issuer.

SEC source: 0001628280-26-038981 · wk-form4_1780011219.xml · nonDerivative · entry 1

Kiai Parsa · CIK 0001766850 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,680

F1 · shares: These restricted stock units were granted under the Medifast, Inc. Director's Deferred Compensation Plan, as Amended and Restated (the "Plan"), in connection with the payment of the reporting person's annual director fees. Each unit represents the right to receive one share of the Issuer's common stock. These shares are granted from the Issuer's Amended and Restated 2012 Share Incentive Plan and will vest in full on May 26, 2027.

SEC source: 0001628280-26-038978 · wk-form4_1780011178.xml · nonDerivative · entry 1

Thomas Andrea B · CIK 0001779769 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,697.123

F1 · shares: These restricted stock units were granted under the Medifast, Inc. Director's Deferred Compensation Plan, as Amended and Restated (the "Plan"), in connection with the payment of the reporting person's annual director fees. Each unit represents the right to receive one share of the Issuer's common stock. These shares are granted from the Issuer's Amended and Restated 2012 Share Incentive Plan and will vest in full on May 26, 2027.

SEC source: 0001628280-26-038976 · wk-form4_1780011142.xml · nonDerivative · entry 1

SCHLACKMAN SCOTT · CIK 0001645617 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,228.707

F1 · shares: These restricted stock units were granted under the Medifast, Inc. Director's Deferred Compensation Plan, as Amended and Restated (the "Plan"), in connection with the payment of the reporting person's annual director fees. Each unit represents the right to receive one share of the Issuer's common stock. These shares are granted from the Issuer's Amended and Restated 2012 Share Incentive Plan and will vest in full on May 26, 2027.

SEC source: 0001628280-26-038974 · wk-form4_1780011108.xml · nonDerivative · entry 1

Geary Elizabeth A. · CIK 0001981550 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,225

F1 · shares: These restricted stock units were granted under the Medifast, Inc. Director's Deferred Compensation Plan, as Amended and Restated (the "Plan"), in connection with the payment of the reporting person's annual director fees. Each unit represents the right to receive one share of the Issuer's common stock. These shares are granted from the Issuer's Amended and Restated 2012 Share Incentive Plan and will vest in full on May 26, 2027.

SEC source: 0001628280-26-038972 · wk-form4_1780011076.xml · derivative · entry 1

Xian Ming · CIK 0001743879 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,822.918

Underlying: Common Stock · 11,680 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents an annual grant of restricted stock units issued to the reporting person under the 2012 Share Incentive Plan that will vest in full on May 26, 2027. Each restricted stock unit represents a contingent right to receive the cash equivalent of one share of the Issuer's common stock on the date of vesting.

F1 · derivative.exercise_date: Represents an annual grant of restricted stock units issued to the reporting person under the 2012 Share Incentive Plan that will vest in full on May 26, 2027. Each restricted stock unit represents a contingent right to receive the cash equivalent of one share of the Issuer's common stock on the date of vesting.

F1 · derivative.expiration_date: Represents an annual grant of restricted stock units issued to the reporting person under the 2012 Share Incentive Plan that will vest in full on May 26, 2027. Each restricted stock unit represents a contingent right to receive the cash equivalent of one share of the Issuer's common stock on the date of vesting.

SEC source: 0001628280-26-034271 · wk-form4_1778627443.xml · nonDerivative · entry 2

SCHLACKMAN SCOTT · CIK 0001645617 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,548.707

SEC source: 0001628280-26-034271 · wk-form4_1778627443.xml · nonDerivative · entry 1

SCHLACKMAN SCOTT · CIK 0001645617 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,048.707

SEC source: 0001628280-26-021797 · wk-form4_1774648479.xml · nonDerivative · entry 4

MacKenzie Jonathan Barrett · CIK 0001883230 · VP, Finance & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,838

F2 · shares: Represents a grant of restricted stock units issued to the reporting person under the 2012 Share Incentive Plan that will vest in three equal annual installments beginning on the first anniversary of the grant date. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001628280-26-021797 · wk-form4_1774648479.xml · nonDerivative · entry 3

MacKenzie Jonathan Barrett · CIK 0001883230 · VP, Finance & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,008

F1 · shares: Represents the number of shares withheld by the Issuer upon the vesting of a restricted stock unit grant to cover the executive's withholding tax associated with the satisfaction of all vesting conditions. The number of shares withheld is based upon the closing price of a share of Medifast common stock on the vesting date, or if the vesting date fell on a weekend or market holiday, upon the closing price of a share of Medifast common stock on the most recent prior market day.

F1 · price: Represents the number of shares withheld by the Issuer upon the vesting of a restricted stock unit grant to cover the executive's withholding tax associated with the satisfaction of all vesting conditions. The number of shares withheld is based upon the closing price of a share of Medifast common stock on the vesting date, or if the vesting date fell on a weekend or market holiday, upon the closing price of a share of Medifast common stock on the most recent prior market day.

SEC source: 0001628280-26-021796 · wk-form4_1774648372.xml · nonDerivative · entry 5

Maloney James P. · CIK 0001715428 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,033

F3 · shares: Represents shares of common stock issued upon the vesting and settlement of performance stock units previously granted to the reporting person on March 17, 2023, which were earned based on achievement of performance criteria certified by the Compensation Committee on February 5, 2026. Each PSU represented a contingent right to receive one share of common stock.

SEC source: 0001628280-26-021796 · wk-form4_1774648372.xml · nonDerivative · entry 4

Maloney James P. · CIK 0001715428 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,019

F2 · shares: Represents a grant of restricted stock units issued to the reporting person under the 2012 Share Incentive Plan that will vest in three equal annual installments beginning on the first anniversary of the grant date. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001628280-26-021796 · wk-form4_1774648372.xml · nonDerivative · entry 3

Maloney James P. · CIK 0001715428 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,675

F1 · shares: Represents the number of shares withheld by the Issuer upon the vesting of a restricted stock unit grant to cover the executive's withholding tax associated with the satisfaction of all vesting conditions. The number of shares withheld is based upon the closing price of a share of Medifast common stock on the vesting date, or if the vesting date fell on a weekend or market holiday, upon the closing price of a share of Medifast common stock on the most recent prior market day.

F1 · price: Represents the number of shares withheld by the Issuer upon the vesting of a restricted stock unit grant to cover the executive's withholding tax associated with the satisfaction of all vesting conditions. The number of shares withheld is based upon the closing price of a share of Medifast common stock on the vesting date, or if the vesting date fell on a weekend or market holiday, upon the closing price of a share of Medifast common stock on the most recent prior market day.

SEC source: 0001628280-26-021795 · wk-form4_1774648274.xml · nonDerivative · entry 7

Chard Daniel R · CIK 0001289557 · Director · Chairman & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 188,233

F6 · shares: Represents shares of common stock issued upon the vesting and settlement of performance stock units previously granted to the reporting person on March 17, 2023, which were earned based on achievement of performance criteria certified by the Compensation Committee on February 5, 2026. Each PSU represented a contingent right to receive one share of common stock.

SEC source: 0001628280-26-021795 · wk-form4_1774648274.xml · nonDerivative · entry 6

Chard Daniel R · CIK 0001289557 · Director · Chairman & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 183,406

F5 · shares: Represents a grant of restricted stock units issued to the reporting person under the 2012 Share Incentive Plan that will vest in three equal annual installments beginning on the first anniversary of the grant date. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001628280-26-021795 · wk-form4_1774648274.xml · nonDerivative · entry 4

Chard Daniel R · CIK 0001289557 · Director · Chairman & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 146,438

F1 · shares: Represents the number of shares withheld by the Issuer upon the vesting of a restricted stock unit grant to cover the executive's withholding tax associated with the satisfaction of all vesting conditions. The number of shares withheld is based upon the closing price of a share of Medifast common stock on the vesting date, or if the vesting date fell on a weekend or market holiday, upon the closing price of a share of Medifast common stock on the most recent prior market day.

F1 · price: Represents the number of shares withheld by the Issuer upon the vesting of a restricted stock unit grant to cover the executive's withholding tax associated with the satisfaction of all vesting conditions. The number of shares withheld is based upon the closing price of a share of Medifast common stock on the vesting date, or if the vesting date fell on a weekend or market holiday, upon the closing price of a share of Medifast common stock on the most recent prior market day.

SEC source: 0001628280-26-021795 · wk-form4_1774648274.xml · nonDerivative · entry 3

Chard Daniel R · CIK 0001289557 · Director · Chairman & CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · Dan and Allyson as Joint Tenants

Disclosed balance after: 17,678

F2 · price: The price reported in Column 4 is a weighted average price. These shares were acquired in multiple transactions at prices ranging from $10.04 to $10.18, inclusive.

F3 · ownership.nature: These shares are directly owned by a joint account of which the reporting person owns as a joint tenant with his spouse.

SEC source: 0001628280-26-021797 · wk-form4_1774648479.xml · nonDerivative · entry 2

MacKenzie Jonathan Barrett · CIK 0001883230 · VP, Finance & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,870

F1 · shares: Represents the number of shares withheld by the Issuer upon the vesting of a restricted stock unit grant to cover the executive's withholding tax associated with the satisfaction of all vesting conditions. The number of shares withheld is based upon the closing price of a share of Medifast common stock on the vesting date, or if the vesting date fell on a weekend or market holiday, upon the closing price of a share of Medifast common stock on the most recent prior market day.

F1 · price: Represents the number of shares withheld by the Issuer upon the vesting of a restricted stock unit grant to cover the executive's withholding tax associated with the satisfaction of all vesting conditions. The number of shares withheld is based upon the closing price of a share of Medifast common stock on the vesting date, or if the vesting date fell on a weekend or market holiday, upon the closing price of a share of Medifast common stock on the most recent prior market day.

SEC source: 0001628280-26-021796 · wk-form4_1774648372.xml · nonDerivative · entry 2

Maloney James P. · CIK 0001715428 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,899

F1 · shares: Represents the number of shares withheld by the Issuer upon the vesting of a restricted stock unit grant to cover the executive's withholding tax associated with the satisfaction of all vesting conditions. The number of shares withheld is based upon the closing price of a share of Medifast common stock on the vesting date, or if the vesting date fell on a weekend or market holiday, upon the closing price of a share of Medifast common stock on the most recent prior market day.

F1 · price: Represents the number of shares withheld by the Issuer upon the vesting of a restricted stock unit grant to cover the executive's withholding tax associated with the satisfaction of all vesting conditions. The number of shares withheld is based upon the closing price of a share of Medifast common stock on the vesting date, or if the vesting date fell on a weekend or market holiday, upon the closing price of a share of Medifast common stock on the most recent prior market day.

SEC source: 0001628280-26-021795 · wk-form4_1774648274.xml · nonDerivative · entry 2

Chard Daniel R · CIK 0001289557 · Director · Chairman & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 166,533

F1 · shares: Represents the number of shares withheld by the Issuer upon the vesting of a restricted stock unit grant to cover the executive's withholding tax associated with the satisfaction of all vesting conditions. The number of shares withheld is based upon the closing price of a share of Medifast common stock on the vesting date, or if the vesting date fell on a weekend or market holiday, upon the closing price of a share of Medifast common stock on the most recent prior market day.

F1 · price: Represents the number of shares withheld by the Issuer upon the vesting of a restricted stock unit grant to cover the executive's withholding tax associated with the satisfaction of all vesting conditions. The number of shares withheld is based upon the closing price of a share of Medifast common stock on the vesting date, or if the vesting date fell on a weekend or market holiday, upon the closing price of a share of Medifast common stock on the most recent prior market day.

SEC source: 0001628280-26-021797 · wk-form4_1774648479.xml · nonDerivative · entry 1

MacKenzie Jonathan Barrett · CIK 0001883230 · VP, Finance & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,940

F1 · shares: Represents the number of shares withheld by the Issuer upon the vesting of a restricted stock unit grant to cover the executive's withholding tax associated with the satisfaction of all vesting conditions. The number of shares withheld is based upon the closing price of a share of Medifast common stock on the vesting date, or if the vesting date fell on a weekend or market holiday, upon the closing price of a share of Medifast common stock on the most recent prior market day.

F1 · price: Represents the number of shares withheld by the Issuer upon the vesting of a restricted stock unit grant to cover the executive's withholding tax associated with the satisfaction of all vesting conditions. The number of shares withheld is based upon the closing price of a share of Medifast common stock on the vesting date, or if the vesting date fell on a weekend or market holiday, upon the closing price of a share of Medifast common stock on the most recent prior market day.

SEC source: 0001628280-26-021796 · wk-form4_1774648372.xml · nonDerivative · entry 1

Maloney James P. · CIK 0001715428 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,381

F1 · shares: Represents the number of shares withheld by the Issuer upon the vesting of a restricted stock unit grant to cover the executive's withholding tax associated with the satisfaction of all vesting conditions. The number of shares withheld is based upon the closing price of a share of Medifast common stock on the vesting date, or if the vesting date fell on a weekend or market holiday, upon the closing price of a share of Medifast common stock on the most recent prior market day.

F1 · price: Represents the number of shares withheld by the Issuer upon the vesting of a restricted stock unit grant to cover the executive's withholding tax associated with the satisfaction of all vesting conditions. The number of shares withheld is based upon the closing price of a share of Medifast common stock on the vesting date, or if the vesting date fell on a weekend or market holiday, upon the closing price of a share of Medifast common stock on the most recent prior market day.

SEC source: 0001628280-26-021795 · wk-form4_1774648274.xml · nonDerivative · entry 1

Chard Daniel R · CIK 0001289557 · Director · Chairman & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 169,171

F1 · shares: Represents the number of shares withheld by the Issuer upon the vesting of a restricted stock unit grant to cover the executive's withholding tax associated with the satisfaction of all vesting conditions. The number of shares withheld is based upon the closing price of a share of Medifast common stock on the vesting date, or if the vesting date fell on a weekend or market holiday, upon the closing price of a share of Medifast common stock on the most recent prior market day.

F1 · price: Represents the number of shares withheld by the Issuer upon the vesting of a restricted stock unit grant to cover the executive's withholding tax associated with the satisfaction of all vesting conditions. The number of shares withheld is based upon the closing price of a share of Medifast common stock on the vesting date, or if the vesting date fell on a weekend or market holiday, upon the closing price of a share of Medifast common stock on the most recent prior market day.

SEC source: 0001628280-25-033187 · wk-form4_1750979198.xml · derivative · entry 2

Xian Ming · CIK 0001743879 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,142.918

Underlying: Common Stock · 6,013.35 shares

Expires not disclosed

F2 · derivative.exercise_price: The reporting person elected, pursuant to the Plan, to receive shares of the Issuer's common stock in lieu of cash compensation of annual service as a non-employee director of the Issuer. The restricted stock units will become payable in cash upon or following the reporting person's termination of service as a director of the Issuer pursuant to the terms of the Plan.

F3 · price: The price per share of $13.39 is based on the 20-day moving average price of the Issuer's common stock as of June 6, 2025.

F2 · derivative.exercise_date: The reporting person elected, pursuant to the Plan, to receive shares of the Issuer's common stock in lieu of cash compensation of annual service as a non-employee director of the Issuer. The restricted stock units will become payable in cash upon or following the reporting person's termination of service as a director of the Issuer pursuant to the terms of the Plan.

F2 · derivative.expiration_date: The reporting person elected, pursuant to the Plan, to receive shares of the Issuer's common stock in lieu of cash compensation of annual service as a non-employee director of the Issuer. The restricted stock units will become payable in cash upon or following the reporting person's termination of service as a director of the Issuer pursuant to the terms of the Plan.

SEC source: 0001628280-25-033187 · wk-form4_1750979198.xml · derivative · entry 1

Xian Ming · CIK 0001743879 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,129.568

Underlying: Common Stock · 11,167.65 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents the contingent right to receive shares of the Issuer's common stock or the cash equivalent in connection with the payment of the reporting person's annual director fees, under the Medifast, Inc. Director's Deferred Compensation Plan, as Amended and Restated (the "Plan"). These shares are granted from the Issuer's Amended and Restated 2012 Share Incentive Plan and will vest in full on June 25, 2026. The restricted stock units will become payable in cash upon or following the reporting person's termination of service as a director of the Issuer pursuant to the terms of the Plan.

F1 · derivative.exercise_date: Represents the contingent right to receive shares of the Issuer's common stock or the cash equivalent in connection with the payment of the reporting person's annual director fees, under the Medifast, Inc. Director's Deferred Compensation Plan, as Amended and Restated (the "Plan"). These shares are granted from the Issuer's Amended and Restated 2012 Share Incentive Plan and will vest in full on June 25, 2026. The restricted stock units will become payable in cash upon or following the reporting person's termination of service as a director of the Issuer pursuant to the terms of the Plan.

F1 · derivative.expiration_date: Represents the contingent right to receive shares of the Issuer's common stock or the cash equivalent in connection with the payment of the reporting person's annual director fees, under the Medifast, Inc. Director's Deferred Compensation Plan, as Amended and Restated (the "Plan"). These shares are granted from the Issuer's Amended and Restated 2012 Share Incentive Plan and will vest in full on June 25, 2026. The restricted stock units will become payable in cash upon or following the reporting person's termination of service as a director of the Issuer pursuant to the terms of the Plan.

SEC source: 0001628280-25-033185 · wk-form4_1750979094.xml · nonDerivative · entry 1

SCHLACKMAN SCOTT · CIK 0001645617 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,548.707

F1 · shares: These restricted stock units were granted under the Medifast, Inc. Director's Deferred Compensation Plan, as Amended and Restated (the "Plan"), in connection with the payment of the reporting person's annual director fees. Each unit represents the right to receive one share of the Issuer's common stock. These shares are granted from the Issuer's Amended and Restated 2012 Share Incentive Plan and will vest in full on June 25, 2026.

SEC source: 0001628280-25-033184 · wk-form4_1750979063.xml · nonDerivative · entry 1

Thomas Andrea B · CIK 0001779769 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,017.123

F1 · shares: These restricted stock units were granted under the Medifast, Inc. Director's Deferred Compensation Plan, as Amended and Restated (the "Plan"), in connection with the payment of the reporting person's annual director fees. Each unit represents the right to receive one share of the Issuer's common stock. These shares are granted from the Issuer's Amended and Restated 2012 Share Incentive Plan and will vest in full on June 25, 2026.

SEC source: 0001628280-25-033183 · wk-form4_1750979030.xml · nonDerivative · entry 1

Hoer Michael A. · CIK 0001743755 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,139.473

F1 · shares: These restricted stock units were granted under the Medifast, Inc. Director's Deferred Compensation Plan, as Amended and Restated (the "Plan"), in connection with the payment of the reporting person's annual director fees. Each unit represents the right to receive one share of the Issuer's common stock. These shares are granted from the Issuer's Amended and Restated 2012 Share Incentive Plan and will vest in full on June 25, 2026.

SEC source: 0001628280-25-033182 · wk-form4_1750978999.xml · nonDerivative · entry 1

Geary Elizabeth A. · CIK 0001981550 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,545

F1 · shares: These restricted stock units were granted under the Medifast, Inc. Director's Deferred Compensation Plan, as Amended and Restated (the "Plan"), in connection with the payment of the reporting person's annual director fees. Each unit represents the right to receive one share of the Issuer's common stock. These shares are granted from the Issuer's Amended and Restated 2012 Share Incentive Plan and will vest in full on June 25, 2026.

SEC source: 0001628280-25-033181 · wk-form4_1750978972.xml · nonDerivative · entry 2

BROWN JEFFREY J · CIK 0001245377 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,577.647

F2 · shares: The reporting person elected, pursuant to the Plan, to receive shares of the Issuer's common stock in lieu of cash compensation of annual service as a non-employee director of the Issuer.

F3 · price: The price per share of $13.39 is based on the 20-day moving average stock price of the Issuer's common stock as of June 6, 2025.

SEC source: 0001628280-25-033181 · wk-form4_1750978972.xml · nonDerivative · entry 1

BROWN JEFFREY J · CIK 0001245377 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,128.189

F1 · shares: These restricted stock units were granted under the Medifast, Inc. Director's Deferred Compensation Plan, as Amended and Restated (the "Plan"), in connection with the payment of the reporting person's annual director fees. Each unit represents the right to receive one share of the Issuer's common stock. These shares are granted from the Issuer's Amended and Restated 2012 Share Incentive Plan and will vest in full on June 25, 2026.

SEC source: 0001628280-25-031936 · wk-form4_1750198794.xml · nonDerivative · entry 1

Chard Daniel R · CIK 0001289557 · Director · Chairman & CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · The Dan and Allyson Family Irrevocable Trust

Disclosed balance after: 149,698.352

F1 · ownership.nature: These shares are directly owned by The Dan and Allyson Family Irrevocable Trust, for which the reporting person is the Settlor of the Trust and Investment Trustee.

SEC source: 0001628280-25-015274 · wk-form4_1743113081.xml · nonDerivative · entry 1

Maloney James P. · CIK 0001715428 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,299

F1 · shares: Represents a grant of restricted stock units issued to the reporting person under the 2012 Share Incentive Plan that will vest in three equal annual installments beginning on the first anniversary of the grant date. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001628280-25-015272 · wk-form4_1743112997.xml · nonDerivative · entry 1

MacKenzie Jonathan Barrett · CIK 0001883230 · VP, Finance & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,138

F1 · shares: Represents a grant of restricted stock units issued to the reporting person under the 2012 Share Incentive Plan that will vest in three equal annual installments beginning on the first anniversary of the grant date. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001628280-25-015270 · wk-form4_1743112895.xml · nonDerivative · entry 1

Chard Daniel R · CIK 0001289557 · Director · Chairman & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 176,246

F1 · shares: Represents a grant of restricted stock units issued to the reporting person under the 2012 Share Incentive Plan that will vest in three equal annual installments beginning on the first anniversary of the grant date. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001628280-25-013671 · wk-form4_1742347731.xml · nonDerivative · entry 3

MacKenzie Jonathan Barrett · CIK 0001883230 · VP, Finance & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,467

F1 · shares: Represents the number of shares withheld by the Issuer upon the vesting of a restricted stock unit grant to cover the executive's withholding tax associated with the satisfaction of all vesting conditions. The number of shares withheld is based upon the closing price of a share of Medifast common stock on the vesting date, or if the vesting date fell on a weekend or market holiday, upon the closing price of a share of Medifast common stock on the most recent prior market day.

F1 · price: Represents the number of shares withheld by the Issuer upon the vesting of a restricted stock unit grant to cover the executive's withholding tax associated with the satisfaction of all vesting conditions. The number of shares withheld is based upon the closing price of a share of Medifast common stock on the vesting date, or if the vesting date fell on a weekend or market holiday, upon the closing price of a share of Medifast common stock on the most recent prior market day.

SEC source: 0001628280-25-013670 · wk-form4_1742347653.xml · nonDerivative · entry 3

Maloney James P. · CIK 0001715428 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,138

F1 · shares: Represents the number of shares withheld by the Issuer upon the vesting of a restricted stock unit grant to cover the executive's withholding tax associated with the satisfaction of all vesting conditions. The number of shares withheld is based upon the closing price of a share of Medifast common stock on the vesting date, or if the vesting date fell on a weekend or market holiday, upon the closing price of a share of Medifast common stock on the most recent prior market day.

F1 · price: Represents the number of shares withheld by the Issuer upon the vesting of a restricted stock unit grant to cover the executive's withholding tax associated with the satisfaction of all vesting conditions. The number of shares withheld is based upon the closing price of a share of Medifast common stock on the vesting date, or if the vesting date fell on a weekend or market holiday, upon the closing price of a share of Medifast common stock on the most recent prior market day.

SEC source: 0001628280-25-013669 · wk-form4_1742347593.xml · nonDerivative · entry 3

Chard Daniel R · CIK 0001289557 · Director · Chairman & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,293

F1 · shares: Represents the number of shares withheld by the Issuer upon the vesting of a restricted stock unit grant to cover the executive's withholding tax associated with the satisfaction of all vesting conditions. The number of shares withheld is based upon the closing price of a share of Medifast common stock on the vesting date, or if the vesting date fell on a weekend or market holiday, upon the closing price of a share of Medifast common stock on the most recent prior market day.

F1 · price: Represents the number of shares withheld by the Issuer upon the vesting of a restricted stock unit grant to cover the executive's withholding tax associated with the satisfaction of all vesting conditions. The number of shares withheld is based upon the closing price of a share of Medifast common stock on the vesting date, or if the vesting date fell on a weekend or market holiday, upon the closing price of a share of Medifast common stock on the most recent prior market day.