Firefly Shark Tank Update

Portable athlete recovery device

DealNow:ThrivingFitness & SportsSeason 16, Episode 14Fullerton, CAby Anthony KJenstad and Lauren CampbellWebsite

What Happened to Firefly After Shark Tank

Is Firefly still in business? Yes — still in business and thriving.

$5.5M

reported annual revenue

Deal closed: $500K for 5% equity with Lori Greiner and Rashaun Williams
$7.5M in sales to date; raised $10M in 2022 athlete-led seed round

Last verified Apr 5, 2026. Web-confirmed sources.

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The Firefly Shark Tank Pitch

Anthony KJenstad and Lauren Campbell of Fullerton, CA pitched Firefly on Shark Tank Season 16, Episode 14, which aired Friday, March 21, 2025, asking for $500,000 for 2.5% of the company — a $20M valuation.

Lori Greiner and Rashaun Williams teamed up and agreed to invest $500,000 for 5% equity, valuing the company at $10M. The deal closed after the show. The terms were later renegotiated: Deal with Rashaun Williams & Lori Greiner for $500K for 5% (asked $500K for 2.5%).

Watch the Pitch

Pitch Details

Aired: S16E14Mar 21, 2025
Ask: $500,000for 2.5%
Ask Valuation: $20M

Deal Terms

Amount: $500,000
Equity: 5%
Valuation: $10M

Rashaun Williams

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Firefly Portable Recovery Device
FDA-approved portable neuromuscular stimulation device that increases blood flow by 400% to speed muscle recovery and reduce soreness. 30-hour battery, 7 intensity levels.