Jonathan Sarna advises companies and financial institutions on public and private financings across multiple industries, with a particular focus on the life sciences, healthcare, technology, REIT and industrials sectors.

Jonathan draws on his comprehensive understanding of capital markets transactions and takes a pragmatic approach to help clients navigate financings at every stage of their life cycle, including:

  • Initial public offerings (IPOs)
  • Block trades and follow-on offerings
  • High-yield and investment-grade debt offerings
  • At-the-market (ATM) programs
  • De-SPAC transactions
  • Convertible debt offerings

Jonathan builds long-term relationships with companies, their executives, and their boards to counsel on general corporate and securities matters relating to corporate governance, public company reporting obligations, and stock exchange rules and requirements.

Jonathan maintains an active pro bono practice and frequently appears in court as a guardian ad litem through Chicago Volunteer Legal Services.

Jonathan has represented issuers and underwriters in equity and debt offerings by:

  • AAR Corp
  • Accelerate Diagnostics
  • Agree Realty Corporation
  • AIRO Group
  • Aptevo Therapeutics
  • Arhaus
  • Aspira Women’s Health
  • Assembly Biosciences
  • BioDelivery Sciences International
  • Cardinal Infrastructure
  • Cheniere Energy Partners
  • CNH Industrial Capital
  • Eagle Pharmaceuticals
  • Essential Properties Realty Trust
  • Fractyl Health
  • Harmony Biosciences
  • Hyatt
  • Immuneering Corporation
  • Mercer International
  • Proficient Auto Logistics
  • Safehold
  • Sempra Infrastructure Partners
  • Simon Property Group
  • SmartStop Self Storage
  • Sprout Social
  • Tanger Factory Outlet Centers
  • UL Solutions
  • Viking Cruises
  • VistaGen Therapeutics
  • Waste Pro

Jonathan also represents private capital providers and direct lenders in equity co-investment transactions. Representative clients include:

  • Antares Capital
  • Ares 
  • Audax 
  • Golub Capital
  • Monroe Capital
  • Tree Line Capital Partners

Bar Qualification

  • Illinois

Education

  • JD, The University of Texas School of Law, 2013
    with honors
  • BA, University of Notre Dame, 2010
    cum laude
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August 25, 2025 Recognition

Latham Leads H1 2025 Capital Markets League Tables

Firm’s Capital Markets Practice once again earns top legal advisor league table rankings across debt and equity products and industries globally in Bloomberg, Dealogic, Deal Point Data, and LSEG.