Appointments Support Accelerated Trial Enrollment, Market Development, Scalability, and Future CommercializationMOUNTAIN VIEW, Calif., Aug. 24, 2026 (GLOBE NEWSWIRE) — R3 Vascular Inc., a medical device company dedicated to developing and providing novel, best-in-class bioresorbable scaffolds for treating peripheral arterial disease (PAD), is pleased to announce the appointment of two senior executives as it accelerates trial enrollment, market development, scalability, and future commercialization. Robert Spanos has been appointed as Vice President, Global Market Development and Katie Segreto has been appointed as Vice President, Finance and Corporate Controller. Commenting on the appointments, Christopher M. Owens, President and CEO of R3 Vascular said, “On behalf of the R3 management team, I am very pleased to welcome Bob Spanos and Katie Segreto. Both bring exceptional expertise and proven leadership that will be instrumental as we advance the clinical development of MAGNITUDE®, accelerate our market presence, and build the infrastructure needed to support future commercialization. Bob’s deep experience in peripheral vascular markets and successful product launches will strengthen our commercial strategy and market expansion efforts, while Katie’s extensive finance leadership experience will help us scale our organization and position R3 Vascular for long-term growth. We are excited to have them join our team at this important stage for the company, including the recent rapid acceleration of our ELITE Clinical Trial enrollment, finalizing the advances in scaffold product line extensions, driving elite margin structure and setting the foundation throughout the organization to prepare for commercialization.” Robert Spanos is a seasoned cardiovascular medical device executive with more than 20 years of experience leading commercial strategy, clinical execution, and successful product launches across the endovascular and peripheral vascular markets. Throughout his career, he has built and led high-performance sales organizations while driving market adoption and revenue growth for innovative, first-to-market technologies. Prior to joining R3 Vascular, Robert held senior leadership roles including Executive Vice President of Corporate Operations for Emblok Inc., Vice President of Commercial Development at AngioDynamics, and Vice President of U.S. Sales Accounts at Eximo Medical, where he played a critical role in IDE trials, FDA 510(k) submissions, global commercial launches, and acquisition integrations. He has also served in key leadership positions at IDev Technologies, Mercator MedSystems, FoxHollow Technologies, and Guidant Endovascular Solutions, contributing to multiple successful product launches and strategic exits.   He holds a Bachelor of Business Administration in Marketing from the University of St. Thomas. Robert Spanos said, “I’m excited to join the R3 Vascular team and contribute to the advancement of MAGNITUDE, a remarkable next-generational bioresorbable platform. Its ultra-high molecular weight polymer delivers strength and flexibility needed to address the unique demands of tibial vessels in patients with critical limb ischemia (CLTI), while offering potential applications in other vascular beds, including the superficial femoral and coronary arteries.   I look forward to helping drive the successful execution of the company’s clinical, regulatory and commercial objectives.” Katie Segreto brings more than 18 years of finance leadership experience building and scaling high-performing finance organizations across the medical device, biotechnology, and technology sectors. She has guided both public and private companies through periods of substantial growth and transformation.   Prior to joining R3 Vascular, Katie served as Vice President of Finance for Kronos Bio, a publicly traded clinical-stage biotechnology company, where she led the finance organization through the company’s post-IPO expansion. Previously, Katie served as Vice President of Finance at K Health, a venture-backed health technology company, where she built the finance function from the ground up, enabling the company’s growth from $0 to $20M in sales and through its Series C and D financings. Earlier in her career, Katie held finance leadership roles at Bonobos, a high-growth ecommerce company acquired by Walmart, and spent eight years in the Life Science audit practice at PwC, advising biotech and med tech companies on audit and accounting strategy.   Katie holds a Bachelor of Arts in Business Management Economics from the University of California, Santa Cruz and is a Certified Public Accountant (inactive). Katie Segreto added, “I am thrilled to join the R3 Vascular team at such an important point in the company’s growth and to help advance this innovative bioresorbable technology. The platform’s potential to address important unmet needs and improve outcomes in vascular care is particularly compelling. I look forward to supporting the advancement of the company’s clinical and commercial objectives to ultimately bring this technology to the patients who need it most.” About R3 Vascular Inc.R3 Vascular is a privately-held medical device company that develops a novel technology platform for the next generation of fully bioresorbable drug eluting sirolimus coated vascular scaffolds. These are designed to deliver the ‘stent-like’ support of a scaffold along with the anti-inflammatory and anti-proliferative result of sirolimus, but ‘disappearing’ over time as the vessel heals. R3 Vascular is headquartered in Mountain View, California. More information can be found at www.r3vascular.com. Media Contact:David Gutierrez, Dresner Corporate Services, (312) 780-7204, dgutierrez@dresnerco.com