Sean Saint
Analyst · TD Cowen
Thanks, Stephen. Before I get into the innovation pipeline, I'd like to address the warning letter that we received from the FDA in late January related to observations made by the agency following the inspection of our Irvine facility in June of 2025. After that inspection, the agency issued us a Form 483, which we highlighted on our previous earnings call. We take the FDA's observations very seriously. And following issuance of the Form 43, we immediately began remediation efforts to directly address the observations. We were disappointed to receive a warning letter, but I remain proud of the incredible work our teams are doing to address the agency's concerns and confident in our ability to resolve them. We look forward to working together with the FDA to evolve and strengthen our quality systems and processes. I want to briefly highlight those key issues and discuss our remediation efforts and spirit of transparency and to instill confidence in the work we're doing to address the agency's concerns and ultimately close out the warning letter. First, the agency had several findings concerning our complaint handling system. Specifically, they found that our definitions of complaints that rose to the level of Medical Device Report or MDR, were not consistent with their expectations. This alignment is a hard thing to do without direct feedback from the FDA and many companies have had to work through the exact issue with the agency to get it resolved. I'd like to highlight an example of what I'm talking about. In the agency's view, a reportable hypoglycemia event includes those that are self-treated with glucose drinks or candies. By contrast, prior to receiving feedback from the agency, our definition of a reportable hypoglycemia event included only those requiring third-party assistance, which was aligned to the ADA's definition for severe hypoglycemia. The FDA's view that self-treated hypoglycemia should also be reported isn't codified to us without direct feedback from the agency and through our collaboration. Beta Bionics has aligned our definition of reportability with the expectations of the agency and the warning letter seem to confirm that the agency agrees with our new criteria. These criteria often vary meaningfully between different companies in the industry. So 1 of the most important things that we're staying mindful of is collaboratively establishing and implementing practices that the agency agrees with, specifically in the context of Beta Bionics. Another finding in the warning letter is that certain MDRs that were previously filed or caused to be filed by this change in definition were filed after the 30-day deadline. In many cases, these late filings were caused by the change in reportability definitions. Specifically, when we remediated old complaints that were previously not reportable and later became reportable, the 30-day time clock had already expired causing a number of late reports. Beta Bionics believes that both our new definition as well as our new complaint handling system will eliminate this problem in the future. We previously discussed that while we remediate our old complaints, an elevated MDR rate would be present and this remediation would last through Q2 of this year. We're on track with this remediation and reiterate our intention to have all of our old filings fully compliant by the end of Q2. Additionally, findings in the warning letter relate to our procedures for tracking, trending and analyzing our complaint data to ensure our product meets expectations in the field. I want to be clear on this one. We certainly had procedures and they've been previously audited as acceptable. But as with most things, the more you use them, the more you can identify areas for improvement, and that's what happened here. We've been working on those improvements since June and are confident through our collaboration with the agency that we will sufficiently address their observations. Another typical area that the agency had feedback on was our CAPA or corrective and preventative action system. Again, while we had a CAPA system, the agency found areas where we could have -- could have opened a CAPA and did not or could have done a better job with what we call VOE or verification of effectiveness. Which is the process to ensure that changes we make through the CAPA process worked. The agency's feedback was crucial to our understanding of where our CAPA process needed to evolve and this is another area that we've devoted a lot of attention towards remediating as it relates to the agency's observations. And lastly, the agency had feedback on our corrections and removals procedure. In today's day and age, companies like Beta Bionics are in the advantageous position to be able to push out software updates to our products easily with firmware over-the-air updates. This is a benefit to our users as it allows the product to get better without users having to send it to us. However, the FDA takes a broad view of what constitutes a safety change, and their feedback was that there were certain software updates that we had made where we should have filed a corrections and removal report. Beta Bionics must now file all the required reports and to be clear, these reports have to do with changes previously made to the software and no additional changes that we are currently aware of are required. We expect the agency will be satisfied with our response to their concerns here. As many of you may have noticed, there have been several warning letters recently issued in the diabetes space. From the limited public information available, these letters generally seem to have to do with this use concerning quality systems, indicating how challenging it can be to get these systems fully aligned with the FDA's expectations with our direct feedback from the agency. While these findings are serious, we also believe that they are straightforward and that our remediation of the systemic issues found is well underway. I'm proud of our team's response to both the 483 and the subsequent warning letter and as we previously stated, we do not believe this warning letter impacts any of our previously shared time lines. Now for the fun stuff. Let's start with an update on Mint, our patch pump in development. I spoke earlier about our leadership in the durable pump space, propelled by our differentiated algorithm, pharmacy channel strategy and excellent gross margin profile. We expect that Mint will enable us to extend our leadership into the broader automated insulin delivery market beyond just the durables segment. We expect Mint to be a game-changing product with an advantaged user experience from both a form factor and algorithm standpoint relative to other patch pumps on the market or in development. Our efforts in the pharmacy channel with iLet have been critical in terms of our ability to form key relationships with PBMs and payers that we'll leverage to build coverage for Mint. In many cases, we expect that existing contracts for iLet will be amended to incorporate Mint. And in other cases where we don't yet have coverage for the iLet in pharmacy, we expect to be able to generate coverage for Mint, given mechanisms for patch pump coverage already exist for the majority of payers. On gross margin, we expect Mint's design will eventually enable us to drive industry-leading gross margins for any automated insulin delivery system at scale. In Q4, we continued to make great progress on Mint just tracking well towards key internal milestones on the way to unconstrained commercial launch by the end of 2027. Our work in Q4 continued to boost our confidence in the product's merit and ultimately, our ability to potentially obtain FDA clearance and manufacture at scale. For our bihormonal system in development, in Q4, we completed our first in-human feasibility trial in New Zealand. This was our first time testing the entirety of the bihormonal system, inclusive of our glucagon asset in humans, which represents a key milestone for the program. The trial was highly informative to our go-forward development strategy and we continue to observe no safety signals for the glucagon asset. As we've progressed this development program, we've also gotten greater clarity from the agency on our regulatory path to approval for the system, which can be described in development phases. We're currently in Phase IIa for the program, meaning we are conducting feasibility trials in small groups of patients to stress test the systems capabilities and iterated accordingly. The first in-human feasibility trial was just completed as part of Phase IIa, and we'll be initiating another Phase IIa feasibility trial in the first half of this year to stress test and iterate the system further in preparation for the more advanced stages of development. Following the completion of our upcoming Phase IIa trial, we expect to progress to Phase IIb, which we anticipate will be a much more robust feasibility trial that will enable us to advance to concurrent Phase III pivotal trials. This pathway doesn't represent a change to our development program, but rather, it provides increased specificity to the expected requirements for our system to ultimately gain NDA approval for the glucagon asset and 510(k) approvals for the pump and algorithm. We continue to be extremely excited by the bihormonal system's potential to transform clinical outcomes for people with diabetes, but more importantly, the potential to transform the way people experience their diabetes and shift their mindset from diabetes being a disease that they manage to simply a disease that they have. Lastly, on our innovation pipeline, I want to cover type 2 diabetes. In Q3, we continued to see some health care providers prescribe iLet to their type 2 patients off-label. We estimate that 25% to 30% of our new patient starts in Q4 were from type 2, increasing slightly relative to the prior quarter. While we're not committing to a specific time line, we remain eager to pursue to diabetes label through the FDA. To conclude our prepared remarks, I want to highlight the key message from today's call. It's been about 2.5 years since we launched the iLet, and in that time, Beta Bionics has emerged as a leader in the durable insulin pump space. Our product is exceptional, and it's changing lives. Our real-world evidence strategy is setting the gold standard for transparency in our industry, enabled by the iLet's automation, which has been shown to improve clinical outcomes regardless of our users baseline A1c or engagement with the product. Our pharmacy channel strategy is making durable insulin pumps more accessible for our users than they've ever been. Our digital solutions are delivering users, their caregivers and their providers the information and support they need to generate the best outcomes possible on our product. Our product is breaking the mold of what has historically believed to be possible in durable pumping, and we're delivering financial results that we're proud of. But our work doesn't stop here. We're working to expand our capabilities to the broader automated insulin delivery market with Mint and with the bihormonal system, we're looking to redefine how people experience their diabetes and the outcomes they can achieve. This cohesive strategy is what defines our business and what we believe will drive our ability to succeed over the short, medium and long term. Stay tuned. With that, thank you all for joining today's call, and we'll now open the floor to Q&A.