Experience

StubHub Announces $800 Million IPO

September 18, 2025

Cooley advised the underwriters of StubHub Holdings, a global secondary ticketing marketplace for live events, in connection with StubHub’s $800 million initial public offering (IPO).

Read more

Related contacts

David Peinsipp
Partner, San Francisco
Kristin VanderPas
Partner, San Francisco
Denny Won
Partner, San Francisco
Shannon Eagan
Partner in Charge – Palo Alto, Palo Alto
Adam Fleisher
Partner, Washington, DC
Charlie Kim
Partner, San Diego
Kevin King
Partner, Washington, DC
Xander Lee
Partner, Santa Monica
James Maton
Co-Partner in Charge – London, London
Barbara Mirza
Partner, Santa Monica
John Paul Oleksiuk
Partner, New York
Obrea Poindexter
Partner, Washington, DC
Francis Wheeler
Senior Counsel, Colorado
Chris Chynoweth
Special Counsel, New York
Sharon Connaughton
Special Counsel, Washington, DC
David Hopkins
Special Counsel, Colorado
Andrew Linch
Special Counsel, London
Kimberly Nguyen
Special Counsel, Reston
Randy Sabett
Special Counsel, Washington, DC
Karen Tsai
Special Counsel, Washington, DC
Peter Burns
Of Counsel, Palo Alto
Chelsea André
Associate, Colorado
Jasmine A. Banks
Associate, Washington, DC
Peter A. Haddad
Associate, San Diego
David D. Kim
Associate, San Francisco
Dana N. Levin
Associate, New York
Isabelle Mackesey
Associate, Reston
Liz Paisner
Associate, New York
Erica Russell
Associate, San Francisco
Valerie Sapozhnikova
Associate, Los Angeles
Patrick Sharma
Associate, Santa Monica
Ryan Sim
Associate, San Francisco
Arda Can Tekin
Associate, London
Lawrence Traylor
Associate, Santa Monica
Genevieve Lim Urban
Associate, Seattle
Veronica Cortes
Paralegal Specialist, New York
Melissa Eskola
Paralegal Specialist, Reston
Margie Murphy
Paralegal Specialist, New York
Douglas Lyles
Senior Research Services & Access Analyst

Related Practices & Industries

Infleqtion to Go Public Through Merger With Churchill Capital Corp X

September 8, 2025

Cooley advised Infleqtion, a global leader in neutral atom-based quantum technology, on its definitive business combination agreement with Churchill Capital Corp X, with the aim to accelerate Infleqtion’s mission to commercialize quantum products that provide orders of magnitude improvement in computing and precision sensing applications.

Read more

Related contacts

Mike Nelson
Partner, Colorado
Garth Angelo Osterman
Partner, San Francisco
Kristin VanderPas
Partner, San Francisco
Peter Byrne
Partner, New York
Caitlin Breitenbruck
Associate, Seattle
Christine Turner
Associate, Colorado
Won Lee
Associate, Colorado
Ryan Lewis
Associate, Colorado
Orion Armon
Partner, Colorado
Ann Bevitt
Partner, London
Chris Coulter
Partner, London
Ross Eberly
Partner, Santa Monica
David Fletcher
Partner, Washington, DC
Annie Froehlich
Partner, Washington, DC
Todd Gluth
Partner, San Diego
Charles Haley
Partner, Palo Alto
Caroline Hobson
Partner, London
Christopher Kimball
Partner, Washington, DC
Kevin King
Partner, Washington, DC
Barbara Mirza
Partner, Santa Monica
Carly Mitchell
Partner, Washington, DC
Jeremy Morrison
Partner, Washington, DC
Julia R. Brinton
Special Counsel, Washington, DC
Andrew Epstein
Special Counsel, Seattle
Karen Tsai
Special Counsel, Washington, DC
Ryan Bowers
Associate, Washington, DC
Anna Caro
Associate, London
Danielle Carvalho
Associate, Boston
Grady Chang
Associate, Santa Monica
Umer Chaudhry
Associate, Washington, DC
David Dalton
Associate, Santa Monica
Maddie Drabble
Associate, London
Austin Dressen
Associate, Colorado
Megan Drill
Associate, San Diego
Virat Gupta
Associate, Washington, DC
Peter A. Haddad
Associate, San Diego
Elaine Huang
Associate, Palo Alto
Nicollette R. Kirby
Associate, Washington, DC
Andrew Mettry
Associate
Daniel Millard
Associate, London
Emily Mok
Associate, Reston
Juan Nascimbene
Associate, London
Sarah Oliai
Associate, Washington, DC
Emma Plankey
Associate, Boston
Natalie D. Vernon
Associate, Colorado
Brandan Ward
Associate, Colorado
Zi Ye
Associate, Palo Alto
Katherine Duplay
Paralegal Specialist, Colorado
Brandon Lefebvre
Quantitative Analyst, Boston
Kathryn Benvenuti
Associate, New York

Related Practices & Industries

Heartflow Announces $364.2 Million Upsized IPO

August 11, 2025

Cooley advised the underwriters of Heartflow, a leader in artificial intelligence technology for coronary artery disease, in connection with Heartflow’s $364.2 million upsized initial public offering.

Read more

Related contacts

David Peinsipp
Partner, San Francisco
Kristin VanderPas
Partner, San Francisco
Charlie Kim
Partner, San Diego
Denny Won
Partner, San Francisco
Natasha Leskovsek
Of Counsel, Washington, DC
Phil Mitchell
Partner, New York
Eric Greig
Partner, Washington, DC
Joanna Liebes Hubberts
Partner, San Diego
Dr. Madhuri Roy
Partner, Palo Alto
Rebecca Ross
Special Counsel, Washington, DC
Barbara Mirza
Partner, Santa Monica
Xander Lee
Partner, Santa Monica
Jane Adams
Partner, San Diego
Annie Froehlich
Partner, Washington, DC
Kevin King
Partner, Washington, DC
Francis Wheeler
Senior Counsel, Colorado
Jessica Koffel
Special Counsel, Brussels
Dillon Martinson
Special Counsel, Washington, DC
Randy Sabett
Special Counsel, Washington, DC
Karen Tsai
Special Counsel, Washington, DC
Max Gonzalez
Associate, Palo Alto
Peter A. Haddad
Associate, San Diego
Wyatt Kernell
Associate, Colorado
Allison Kutner
Associate, New York
Ryan Lewis
Associate, Colorado
Tyler Saavedra-Buckley
Associate, San Francisco
Valerie Sapozhnikova
Associate, Los Angeles

Related Practices & Industries

Shoulder Innovations Announces $75 Million IPO

July 31, 2025

Cooley advised the underwriters of Shoulder Innovations, a medical technology company exclusively focused on transforming the shoulder surgical care market, in connection with Shoulder Innovations’ $75 million initial public offering (IPO).

Read more

Related contacts

Denny Won
Partner, San Francisco
Charlie Kim
Partner, San Diego
Kristin VanderPas
Partner, San Francisco
David Peinsipp
Partner, San Francisco
Xander Lee
Partner, Santa Monica
Barbara Mirza
Partner, Santa Monica
Phil Mitchell
Partner, New York
Scott Weston
Partner, Boston
Kassity L. Mai
Special Counsel, Reston
Randy Sabett
Special Counsel, Washington, DC
Karen Tsai
Special Counsel, Washington, DC
Valerie Sapozhnikova
Associate, Los Angeles
Alex Hammer
Associate, San Francisco
Allison Kutner
Associate, New York
Sunny J. Levine
Associate, Colorado
Ryan Lewis
Associate, Colorado
Sarah Miller
Associate, New York
Marjorie O'Neill
Associate, San Francisco
Amanda Pacheco
Associate, Palo Alto

Related Practices & Industries

Aardvark Therapeutics Announces $94.2 Million IPO

February 14, 2025

Cooley advised the underwriters of Aardvark Therapeutics, a phase 3 biotech company developing novel small-molecule therapies for metabolic diseases, in connection with Aardvark’s $94.2 million initial public offering (IPO).

Read more

Related contacts

Charlie Kim
Partner, San Diego
Kristin VanderPas
Partner, San Francisco
Denny Won
Partner, San Francisco
Jean Park
Partner, New York
Christine Turner
Associate, Colorado
Ryan Lewis
Associate, Colorado
Joanna Zhang
Associate, San Diego
Lila Hope
Partner, Palo Alto
Xander Lee
Partner, Santa Monica
Phil Mitchell
Partner, New York
Alessandra Murata
Partner, Palo Alto
Randy Sabett
Special Counsel, Washington, DC
Karen Tsai
Special Counsel, Washington, DC
Natasha Leskovsek
Of Counsel, Washington, DC
Zack Gong
Associate, Shanghai
Tony P. Guan
Associate, Santa Monica
Sarah Miller
Associate, New York

Related Practices & Industries

View more

Admissions and credentials

California

Not admitted to practice in Florida

Rankings and accolades

Chambers USA: Capital Markets: Debt & Equity – California (2021 – 2025)

Chambers USA: Capital Markets: Debt & Equity: Western United States – Nationwide (2021 – 2025)

Daily Journal: Top 40 Under 40 (2019)

The Legal 500 US: Capital Markets: Equity Offerings (2025)

Kristin knows the law inside and out. You can ask her any technical question and she immediately knows the answer.

Chambers USA