A&O Shearman U.S. and Americas

Our team—Sami Asad Mir, Dorina Yessios, Denise M. Grant, Augusto Ruiloba, Robert E. O'Leary, Vanessa Cuellas, Paula Anderson, Charles Poole-Warren, and S. Alexandra de Padua—had an incredible time at IJGlobal LATAM 2025, connecting with industry leaders and discussing the latest developments in Latin America’s energy and infrastructure markets. A highlight of the week was our annual cocktail event, where we had the pleasure of welcoming over 385 attendees for an evening of networking, insightful conversations, and reconnecting with colleagues and clients. We appreciate everyone who joined us—it was great to see so many familiar faces and make new connections! Throughout the conference, our partners contributed to discussions on key industry trends: - Partner Sami Mir moderated the Keynote Panel, exploring macroeconomic trends, financing opportunities, and foreign investment strategies. - Partner Augusto Ruiloba moderated the Energy Storage panel, providing valuable perspectives on bankability, financing strategies, and regulatory developments in the sector. - Partners Dorina Yessios, Denise Grant, Paula Anderson, Vanessa Cuellas, and Alexandra de Padua attended the Women’s Breakfast, engaging in meaningful discussions on leadership and diversity in the industry. Thank you to everyone who made this year’s conference a success! We are looking forward to continuing these conversations and collaborating on the opportunities ahead. #AOShearman #IJLATAM #EnergyInfrastructure

We guided the underwriters in connection with the upsized USD202 million initial public offering of Kestra Medical Technologies, Ltd. Kestra is a commercial-stage medical device company that has developed a next generation wearable cardioverter defibrillator used to protect patients at an elevated risk of sudden cardiac arrest. The device automatically monitors elevated risk patients and, if needed, delivers a defibrillation shock to return the patient’s heart to normal rhythm. The cross-practice team was led by partner Ilir Mujalovic with key support from counsel Roseanne Kross, associates Ilya Mamin and Danish Hyder, and law clerk Jake Schmitz. Learn more about this IPO here: https://lnkd.in/gN5PTqBa #AOShearman #PrivateEquity

Our capital markets team, led by partner Ilir Mujalovic with key support from associates Ekaterina Bogdanov, Kaz Watanabe and law clerk Colin Cantwell, represented the underwriters in Mineralys Therapeutics, Inc.’s USD175m follow-on equity offering. Mineralys Therapeutics is a clinical-stage biopharmaceutical company focused on developing medicines to target hypertension, chronic kidney disease, obstructive sleep apnea and other diseases driven by dysregulated aldosterone. Read more about the deal here: https://lnkd.in/gUtbDKKX #AOShearman #CapitalMarkets

We are delighted to share that we have been named Global Law Firm of the Year at the IJ Global Awards! This award reflects our commitment to excellence, innovation, and outstanding client service in the legal industry. A huge thank you to our clients, and to our incredible team for their hard work and dedication. This is a collective achievement, and we are proud to share it with all of you. And a congratulations to our clients who have won Deal of the Year awards globally, we are thrilled to be a part of your team and celebrate these amazing achievements! #AOShearman #IJGlobalAwards

We represented J.F. Lehman & Company, a leading middle-market private equity firm, in the acquisition of Atomic Transport, LLC, a specialized waste services company, and separately in the acquisition of Creekside by its portfolio company PURIS LLC. The purchase of Creekside, an infrastructure and environmental services provider, represents PURIS' first strategic acquisition since J.F. Lehman led a recapitalization of The Woodlands, Texas-based company in 2024 via a single asset continuation fund. The cross-practice team was led by partners Alain Dermarkar and Kyle Park, alongside associates John Kurtz, Samantha Favela, and Ian Johnson. Learn more about this acquisition here: https://lnkd.in/ezH8zHQ7 #AOShearman #PrivateEquity #PrivateCapital

As we continue to recognize Women’s History Month and International Women’s Day throughout March, we want to highlight some of the pro bono services our people deliver to organizations that support women and girls around the world. Our main areas of focus are access to justice, social finance, education and employment. This work supports our responsibility to help build a fair society in the countries in which we operate and beyond. Find out more below. #AOShearman

In our latest Learning from Leaders series, Angela Clist, our head of Advanced Delivery & Solutions (AD&S), shared key lessons from her career, emphasizing the value of staying open to new ideas, overcoming obstacles with creativity, and taking initiative to drive change. Angela shared her career journey from starting as a litigator in New Zealand to leading innovation in legal service delivery. She highlighted the importance of adaptability, listening to clients, and embracing change to stay ahead in the industry. She explained how AD&S is transforming the firm’s approach to legal work by integrating technology, process improvement, and flexible resourcing. This shift is helping us deliver more efficient and cost-effective solutions while also reshaping how junior lawyers gain experience. Thank you to Angela for sharing her insights and to everyone who joined the discussion. #AOShearman #LearningFromLeaders

Our team, led by partner Jesse Debban and associates Michael Walraven and Jake Lortz, guided IK Partners and its portfolio company, Plastiflex Group NV, on Plastiflex’s acquisition of Steward Plastics, LLC. Steward Plastics, LLC, known as Smooth-Bor, is a leading innovator of plastic corrugated hose and tubing for the respiratory care market, specializing in custom solutions for its customers and maintaining an intellectual property portfolio of patents and trademarks worldwide. As a result of the partnership, the combined entity will further extend its product portfolio, particularly in the sleep and ventilation markets, and will be able to offer additional production capacity in the USA and Southeast Asia. Congratulations to the IK Partners, Plastiflex and Smooth-Bor teams. We are grateful for the trust placed in us by all parties involved in this significant transaction. #AOShearman

The SEC recently announced new accommodations to expand the types of companies and registration statements eligible for confidential SEC review—signaling a significant shift towards greater flexibility for companies in capital raising transactions driven by the SEC’s new leadership. Our capital markets team outlines how the confidential submission process has changed and the key takeaways from the announcement. Read more here: https://lnkd.in/erhrWfrd #CapitalMarkets #SecuritiesRegulation #AOShearman

We advised Boston Scientific Corporation (“Boston Scientific”) on a EUR1.5bn registered offering by American Medical Systems Europe B.V., its wholly owned finance subsidiary, of 3.000% Senior Notes due 2031 and 3.250% Senior Notes due 2034. Boston Scientific is a global developer, manufacturer and marketer of medical devices that are used in a broad range of interventional medical specialties. The team was led by partners Richard Alsop and Erika Kent, associate Ilya Mamin, and law clerk Joseph Tambasco, with additional cross-practice support provided by the wider teams. Get an in depth look of the broader team involved and transaction here: https://lnkd.in/eMM3HEJ6 #AOShearman