Medifast, Inc.
A maker of meal-replacement and metabolic-health products, Medifast sells its foods and coach-guided programs under the Optavia and Trilivy brands, used by people looking to manage their weight and metabolic health. It was founded in 1980 by Dr. William Vitale, a Baltimore dermatologist who started mixing his own liquid-diet formula after struggling to source products from other providers. The name is a blend of "medical" and "fast," a nod to the medically supervised, quick weight loss the company was built around.
Granted 19.3K · Bought 76.8K
Granted 228.3K · Bought 18.1K
Granted 30.7K · Bought 5.1K · Sold 4.1K
Granted 70.6K
Granted 29.4K · Bought 50.39
Granted 32.8K · Bought 155.09
Granted 29.4K
Granted 17.8K · Bought 49.76
Granted 21.1K
Granted 18.4K
Sold 5.6K
| Insider | Stake change | Holds now | Granted / vested | Bought | Sold |
|---|---|---|---|---|---|
| Kiai ParsaDirector · 8 transactions | — | 688.4K | 19.3K | 76.8K | — |
| Chard Daniel RChairman & CEO, Director · 23 transactions | — | 483.0K | 228.3K | 18.1K | — |
| Schlackman ScottDirector · 9 transactions | +302.8% | 42.2K | 30.7K | 5.1K | 4.1K |
| Maloney James P.Chief Financial Officer · 15 transactions | +249.5% | 37.7K | 70.6K | — | — |
| Thomas Andrea BDirector · 4 transactions | +475.5% | 35.7K | 29.4K | 50.39 | — |
| Brown Jeffrey JDirector · 6 transactions | +238.3% | 33.4Kas of Jun 2025 | 32.8K | 155.09 | — |
| Geary Elizabeth A.Director · 3 transactions | +1653.2% | 31.2K | 29.4K | — | — |
| Hoer Michael A.Director · 3 transactions | +214% | 26.1Kas of Jun 2025 | 17.8K | 49.76 | — |
| MacKenzie Jonathan BarrettVP, Finance & CAO · 13 transactions | +1292.9% | 20.8K | 21.1K | — | — |
| Rose Jeffrey MatthewDirector · 2 transactions | — | 11.7K | 18.4K | — | — |
| Hallquist Constance J.Former Director · 1 transaction | — | 9.9Kas of Oct 2023 | — | — | 5.6K |
Select a row to see that insider’s individual transactions. Sum of the holdings confirmed in the 12 months before this insider's last filing. A Form 4 reports a holding per line — held directly, or through a named trust, partnership or foundation, and in each share class separately — never a person’s total. Lines not restated in that time are left out and shown apart: an active filer restates what they still hold, so a line they did not restate is more often an entity since renamed, whose shares a successor line reports too. An amber marker means some were left out.
Net open-market activity over the last 3 years: +90.5K shares. Grants, option exercises and tax withholding are excluded — they are compensation mechanics, not decisions to buy or sell.