Firefly on Shark Tank

Name: Firefly
Availability: InStock

Firefly makes a portable recovery device designed for athletes to use after training or competition. The compact device is intended to support muscle recovery and is aimed at athletes who want a recovery tool they can use anywhere.

Visit official site ↗ Check price on Amazon

Official website checked Nov 1, 2026.

We may earn a commission when you buy through our links. It never affects what we write. How we make money

🖨️ Giving this as a gift? Print the "story behind your gift" card

Price range $49-$191 checked Oct 2026

⏱ Firefly in 30 seconds

The ask$500K for 2.5%Valued at $20M
In the tankDeal: $500K for 5%With Lori and Rashaun
After the showNot confirmedNo public record either way
TodayStill in businessUsed by 1,000+ pro and college teams; sold direct online

Firefly Shark Tank deal

Asked for: $500,000 for 2.5%
Asking valuation: $20M
Result: Deal
Final deal: $500,000 for 5%
Deal valuation: $10M
Sharks: Lori Greiner, Rashaun Williams
Founders: Anthony KJenstad and Lauren Campbell
From: LA
Aired: Mar 21, 2025

Asked

$20M

Got

$10M

Shop Firefly

Popular products from Firefly, with prices as listed when we checked (October 2026).

Official store ↗Check Amazon

Prices and availability change. Check the retailer for the current price.

Would you have invested in Firefly?

The pitch

Video: Shark Tank US | Olympic Gold Medalist Sponsors Firefly Recovery Product · Sony Pictures Television on YouTube

Anthony KJenstad and Lauren Campbell from LA pitched Firefly in Shark Tank Season 16, Episode 14 (aired Mar 21, 2025). They asked for $500,000 in exchange for 2.5% equity, valuing the business at $20M. The entrepreneurs walked away with a deal from Lori Greiner and Rashaun Williams: $500,000 for 5%. That put the final valuation at $10M, 50% below what they originally asked for.

What happened to Firefly after Shark Tank?

Still in business Last checked November 1, 2026

Our checks

Nov 1, 2026: Visited the official website: it is working.

Firefly Recovery makes a small wearable that stimulates the peroneal nerve below the knee to boost blood flow and speed muscle recovery, founded by Anthony Kjenstad and Lauren Campbell. The company raised a $10 million seed round from athletes and others in 2022 and says more than 1,000 pro and college teams use the device. On Shark Tank in March 2025, with five-time Olympian Kerri Walsh Jennings as an ambassador, the founders landed $500,000 for 5% from Lori Greiner and Rashaun Williams. They reported $4 million in sales over the prior 12 months at the time of the pitch.

Update: Used by 1,000+ pro and college teams; sold direct online

Timeline since the show

2022
Raised a $10 million athlete-led seed round
2025-03
Lori Greiner and Rashaun Williams invested $500,000 for 5% on Shark Tank, with Olympian Kerri Walsh Jennings in the pitch

Sources (4)

📝 Know something we don't? Suggest an update

Reviews of Firefly

No reviews yet. Have you tried Firefly? Tell other shoppers what you think.

Frequently asked questions

Did Firefly get a deal on Shark Tank?

Yes. Firefly got a deal with Lori Greiner and Rashaun Williams for $500,000 and 5% equity.

Which Shark invested in Firefly?

Lori Greiner and Rashaun Williams invested in Firefly on Season 16 of Shark Tank. Note that some on-air deals change or fall through during due diligence.

Is Firefly still in business?

As of our last check (November 2026), Firefly appears to still be in business. Its official website is online, and used by 1,000+ pro and college teams; sold direct online.

What season and episode was Firefly on Shark Tank?

Firefly appeared in Season 16, Episode 14, which first aired on March 21, 2025.

Where can I buy Firefly?

You can buy Firefly from its official website and often on Amazon.

What was Firefly's valuation on Shark Tank?

The founders valued Firefly at $20,000,000 when they entered the Tank, and the final deal valued it at $10,000,000.