Denny Won

Denny’s practice focuses on public and private securities offerings. He represents investment banks and issuers in a variety of equity and debt transactions, including initial public offerings (IPOs), other equity offerings, and high-yield, investment-grade and convertible debt offerings.

Denny also advises companies with respect to general corporate and securities matters, including corporate governance issues, Securities Exchange Act reporting obligations and stock exchange requirements.

Denny’s representative transactions include advising:

• The underwriters in Septerna’s $331.2 million IPO
• The underwriters in Upstream Bio’s $293.3 million IPO
• The underwriters in BioAge Lab’s $227.7 million IPO
• The underwriters in Zenas BioPharma’s $258.7 million IPO
• The underwriters in Boundless Bio’s $100 million IPO
• The underwriters in CG Oncology’s $437 million IPO
• The underwriters in CARGO Therapeutics’ $323.4 million IPO
• The underwriters in Doximity’s $696.7 million IPO
• The underwriters in Expensify’s $302.1 million IPO
• The underwriters in Lulu’s Fashion Lounge’s $106 million IPO
• The underwriters in Sana Biotechnology’s $676 million IPO
• The underwriters in Medallia’s $374 million IPO
• The underwriters in Livongo Health’s $409 million IPO
• The underwriters in 10x Genomic’s $449 million IPO
• The underwriters in Wish’s $1.1 billion IPO
• Uber in its $8.1 billion IPO
• Abivax in its $235.8 million IPO
• Legend Biotech in its $487 million IPO
• Olema in its $240 million IPO

Denny is regularly recognized for his work in capital markets by top publications such as Chambers USA and Best Lawyers. His accolades include: 

• Chambers USA: Band 4 for Capital Markets: Debt & Equity – California (2024)
• Chambers USA: Band 4 for Capital Markets: Debt & Equity: Western United States – Nationwide (2024)
• Chambers USA: Up and Coming for Capital Markets: Debt & Equity – California (2023)
• Chambers USA: Up and Coming for Capital Markets: Debt & Equity: Western United States – Nationwide (2023)
• Chambers USA: Associate to Watch for Capital Markets: Debt & Equity – California (2021 – 2022)
• Chambers USA: Associate to Watch for Capital Markets: Debt & Equity: Western United States – Nationwide (2021 – 2022)

Before joining Cooley, Denny was a capital markets associate in the New York office of a US-based international law firm.