Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 001-31573 Medifast, Inc. (Exact name of registrant as specified in its charter) Delaware 13-3714405 (State or other jurisdiction ...

MEDIFAST. % OPTAVIA 1 INVESTOR PRESENTATION JANUARY 2021 Safe Harbor Statement Certain information included in this presentation may constitute "forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933, as amended, Section 21E of the Securities Exchange Act of 1934, as amended, and the Private Securities Litigation Reform Act of 1995. These forward-looking statements generally can be identified by use of phrases or terminology such as "intend" or other similar words or the ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 OR 100 International Drive OF 1934 For the transition period from to . Baltimore, Maryland 21202 Telephone Number: (410) 581-8042 Commission File Number: 001-31573 Medifast, Inc. (Exact name of registrant as specified in its charter) Delaware 13-3714405 ☐ TRANSITION REPOR ...

Medifast, Inc. (NYSE:MED) Q3 2020 Results Earnings Conference Call November 2, 2020 4:30 PM ET Company Participants Scott Van Winkle - Investor Relations Dan Chard - Chief Executive Officer Jim Maloney - Chief Financial Officer Conference Call Participants Kara Anderson - B. Riley FBR Sebastian Barbero - Jefferies Linda Bolton Weiser - D.A. Davidson Doug Lane - Lane Research Operator Good day. And welcome to the Medifast Third Quarter Fiscal 2020 Earnings Conference Call. All participants will be a listen-o ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-31573 Medifast, Inc. (Exact name of registrant as specified in its charter) Delaware 13-3714405 (I.R.S. Employer Identi ...

Medifast, Inc. (NYSE:MED) Q2 2020 Earnings Conference Call August 5, 2020 4:30 PM ET Company Participants Scott Van Winkle - Investor Relations Dan Chard - Chief Executive Officer Jim Maloney - Chief Financial Officer Conference Call Participants Kara Anderson - B. Riley Doug Lane - Lane Research Seb Barbero - Jefferies Bill Baker - GARP Research Operator Good afternoon. And welcome to the Medifast Second Quarter Fiscal 2020 Earnings Conference Call. All participants will be a listen-only mode. [Operator in ...

Medifast, Inc. (NYSE:MED) Q1 2020 Earnings Conference Call May 5, 2020 4:30 PM ET Company Participants Scott Van Winkle - ICR Dan Chard - Chief Executive Officer Joe Kelleman - Interim Chief Financial Officer Conference Call Participants Steph Wissink - Jefferies Doug Lane - Lane Research Bill Baker - GARP Research Operator Good day. And welcome to the Medifast, Inc. First Quarter Fiscal 2020 Earnings Conference Call. All participants will be in listen-only mode. [Operator instructions] Please note this eve ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-31573 Medifast, Inc. (Exact name of registrant as specified in its charter) Delaware 13-3714405 (State or other jurisd ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission file number: 001-31573 Medifast, Inc. (Exact name of registrant as specified in its charter) Delaware 13-3714405 (State or other jurisdiction ...

Medifast, Inc. (NYSE:MED) Q4 2019 Earnings Conference Call February 26, 2020 4:30 PM ET Company Participants Scott Van Winkle - ICR Dan Chard - CEO Tim Robinson - CFO Conference Call Participants Steph Wissink - Jefferies Doug lane - Lane Research Linda Bolton Weiser - D.A. Davidson Bill Baker - GARP Research Operator Good afternoon, and welcome to the Medifast's Fourth Quarter and Full-Year 2019 Earnings Conference Call. All participants will be in listen-only mode. After today's presentation, there will b ...