Tenon Medical, Inc. - What You Need to Know

Thinking about investing in Tenon Medical? Before you put your money down, let’s break down what this company does in plain English.

Disclaimer: I am an AI, not a financial advisor. Investing in stocks is risky. Always do your own research or talk to a professional before investing.

1. What does this company actually do?

Tenon Medical makes medical devices to fix chronic lower back pain. Specifically, they target the sacroiliac (SI) joint, which connects your spine to your pelvis.

SI-joint pain is common but historically difficult to treat. Traditional surgeries often require large, invasive incisions. Tenon developed the "Catamaran" system. This toolset helps surgeons fuse the SI-joint using a direct, less invasive approach. They believe their system is safer for patients and easier for surgeons to use than older methods. The system uses a unique implant design to stabilize the joint and encourage fusion.

2. How do they make money?

They sell surgical kits—including implants and the tools to install them—to hospitals and surgery centers.

The company is in the early stages of growth, having launched nationally in late 2022. Because they are still building their customer base, they spend more on operations than they earn from sales. For the year ending December 31, 2024, the company reported a loss of $17.8 million, compared to a $19.4 million loss in 2023. They are currently spending heavily on sales staff and training to convince surgeons to switch to the "Tenon way."

3. Why do they think they can win?

Tenon is betting on a massive, underserved market. They estimate that 15% to 30% of chronic lower back pain stems from the SI-joint, yet few patients currently undergo surgery. They view the SI-joint as the last major spinal joint waiting for modern, efficient technology. They believe the Catamaran system’s ability to reduce surgical time and complexity will convince surgeons to choose their platform over established, invasive alternatives.

4. What is happening right now? (The April 2025 Update)

The company is actively raising cash to keep operating. Recent filings show they are registering over 5.6 million shares for sale by current stockholders.

• The "Selling Stockholder" Factor: When a company registers shares for "selling stockholders," it means early investors or warrant holders are getting permission to sell their shares to the public.
• What this means for you: This can create "selling pressure." If many of these shares hit the market at once, it may be harder for the stock price to rise. Also, the company must pay the legal and administrative fees for these sales, which drains their limited cash.
• The "Warrant" Overhang: The company has issued millions of warrants, which act like coupons to buy stock. When these are used, the company gets cash, but they issue more shares. This reduces your ownership percentage in the company.

5. What are the main risks?

• Dilution: The constant issuance of new shares and warrants lowers the value of existing shares.
• The "Reverse Split" Rule: The company has performed two "reverse stock splits" (combining shares to boost the price) in two years. They have limited ability to do this again until November 2025. If the price stays too low, they risk being kicked off the Nasdaq exchange.
• Competition: They are a small player competing against medical giants like Medtronic and Stryker. These competitors have much larger financial and marketing resources.
• Liquidity: The company’s recurring losses raise doubt about its ability to stay in business without securing more financing.

Final thought for you: Investing in an early-stage medical company is like betting on a startup. It could grow if their product becomes the industry standard, but it carries significant risk. Tenon is working hard to keep its bank account full, but this often requires issuing more shares, which can hurt existing investors. If you are considering this stock, keep a close eye on their quarterly cash burn and whether they are successfully expanding their list of surgeons using the Catamaran system.