Experience

Cooley Advises Investor Syndicate on $2.25 Billion Acquisition of HistoSonics

August 7, 2025

Cooley advised a syndicate of globally recognized private and public investors in connection with the management-led majority stake acquisition of HistoSonics, the developer of the Edison Histotripsy System and novel histotripsy therapy platform, valuing the company at approximately $2.25 billion.

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Patrick Loofbourrow
Partner, Singapore
Bram G. Couvreur
Partner, Santa Monica
Rama Padmanabhan
Partner, San Diego
Jenny Ge
Associate, Santa Monica
Nick Kenyon
Associate, Boston
Josh Himmelstern
Associate, San Diego
Joanna Zhang
Associate, San Diego
Megan Browdie
Partner, Washington, DC
Sharon Connaughton
Special Counsel, Washington, DC
Stephanie Gentile
Partner, New York
Alessandra Murata
Partner, Palo Alto
Mark Cornillez-Ty
Associate, Los Angeles
Michael Pelle
Associate, New York
Orion Armon
Partner, Colorado
Alexis Finkelberg Bortniker
Partner, San Diego
Ross Eberly
Partner, Santa Monica
Charles Haley
Partner, Palo Alto
Joanna Liebes Hubberts
Partner, San Diego
Christopher Kimball
Partner, Washington, DC
John Paul Oleksiuk
Partner, New York
Stella Sarma
Partner, Brussels
Ellie Seber
Partner, Santa Monica
Erin Trenda
Partner, San Diego
Charity Williams
Partner, San Diego
Mark Windfeld-Hansen
Senior Counsel, Palo Alto
Bryan Berman
Special Counsel, Colorado
Andrew Epstein
Special Counsel, Seattle
Robert Jacques
Special Counsel, Washington, DC
Christian Lee
Special Counsel, San Francisco
Son Nguyen
Special Counsel, Washington, DC
Karen Tsai
Special Counsel, Washington, DC
Stefan Cohen
Associate, New York
Sharon Davidov
Associate, New York
Jameson Davis
Associate, Boston
Michael Fernando
Associate, London
Allison Kutner
Associate, New York
Alexandra Leavy
Associate, New York
Eileen Leman
Associate, Los Angeles
Sunny J. Levine
Associate, Colorado
Edward (Teddy) Nimetz
Associate, New York
Emma Plankey
Associate, Boston
Breanna Qin
Associate, Palo Alto
Shu-en Wee
Associate, Singapore
Asal Yunusov
Associate, New York
Lisa Amii
Patent Agent, Palo Alto
Anna Anderson
Paralegal Specialist, London
Patricia Myers
Paralegal Specialist, Colorado
Gayana Stokes
Senior Paralegal, Washington, DC
Katie Kissner
Quantitative Analyst, San Francisco
Daniel Grooms
Partner, Washington, DC

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Y-mAbs Therapeutics Agrees to Acquisition by SERB Pharmaceuticals

August 5, 2025

Cooley advised Y-mAbs Therapeutics, a commercial-stage biopharmaceutical company focused on the development and commercialization of antibody-based therapeutics for the treatment of cancer, on its definitive merger agreement with SERB Pharmaceuticals. Under the agreement, SERB will acquire Y-mAbs, including its lead commercial oncology asset, DANYELZA, in an all-cash transaction representing an equity value of approximately $412 million.

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Bill Sorabella
Partner, New York
Bill Roegge
Partner, New York
Div Gupta
Partner, New York
Sarah Sellers
Partner, New York
Christophe Beauduin
Partner, New York
Megan Browdie
Partner, Washington, DC
Brad Goldberg
Partner, New York
Christopher Kimball
Partner, Washington, DC
Eileen Marshall
Partner, Washington, DC
Darah Protas
Partner, Washington, DC
Natasha Leskovsek
Of Counsel, Washington, DC
Julia Kim
Special Counsel, New York
Justin Kisner
Special Counsel, San Diego
MaryBeth Shreiner
Special Counsel, Reston
Karen Tsai
Special Counsel, Washington, DC
Amanda Weiss
Special Counsel, New York
Rajdeep Roger Bains
Associate, San Diego
Dayne Brown
Associate, New York
Norma Chayo Dichi
Associate, Washington, DC
Sharon Davidov
Associate, New York
Athina Gaki
Associate, Brussels
Kyle Hess
Associate, New York
Katie Kaufman
Associate, Boston
Nicollette R. Kirby
Associate, Washington, DC
Christopher Nickas
Associate, New York
Arda Can Tekin
Associate, New York
Shaun (Tianjie) Wang
Associate, New York

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Lovable Secures $200 Million Series A

July 17, 2025

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Kevin Rooney
Partner, San Francisco
Karem M. Jarada
Associate, San Francisco
Carl Min
Associate, San Francisco
Chu Lee
Paralegal Specialist, San Francisco
Megan Browdie
Partner, Washington, DC
John Paul Oleksiuk
Partner, New York
Mark Windfeld-Hansen
Senior Counsel, Palo Alto
Julia R. Brinton
Special Counsel, Washington, DC
David Dalton
Associate, Santa Monica
Jake Ironfield
Transactional Quantitative Analyst, New York
Brian Mitchell
Transactional Quantitative Analyst, San Diego

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Hadrian Secures $260 Million Series C

July 17, 2025

Cooley advised Hadrian, a manufacturing company building artificial intelligence-powered factories for America, on its $260 million Series C financing round.

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Peter H. Werner
Partner in Charge – San Francisco, San Francisco
Emma E. Mann-Meginniss
Partner, San Francisco
Michael Tollini
Partner, Washington, DC
Ellie Seber
Partner, Santa Monica
Zander Olsson
Associate, San Francisco
Carl Min
Associate, San Francisco
Erin Wright
Associate, San Francisco
Kavi Huded
Associate, New York
David Shekman
Associate, San Francisco
Megan Browdie
Partner, Washington, DC
Annie Froehlich
Partner, Washington, DC
Kevin King
Partner, Washington, DC
John Sellers
Senior Counsel, Palo Alto
Rubin Waranch
Associate, Colorado
Chu Lee
Paralegal Specialist, San Francisco
Katie Kissner
Quantitative Analyst, San Francisco

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Capstan Therapeutics Announces up to $2.1 Billion Acquisition by AbbVie

June 30, 2025

Cooley advised Capstan Therapeutics, a clinical-stage biotechnology company with a mission to multiply therapeutic possibilities for patients through targeted in vivo RNA technologies, on its definitive agreement to be acquired by AbbVie.

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Rama Padmanabhan
Partner, San Diego
Ken Rollins
Partner in Charge – San Diego, San Diego
Edmond Lay
Partner, San Diego
Charity Williams
Partner, San Diego
Lindsey O'Crump
Associate, Washington, DC
Megan Browdie
Partner, Washington, DC
Ross Eberly
Partner, Santa Monica
Christopher Kimball
Partner, Washington, DC
Alessandra Murata
Partner, Palo Alto
W. Chad Shear
Partner, San Diego
Jeffrey J. Tolin
Partner, New York
Stacey A. Bradford
Special Counsel, Washington, DC
Andrew Epstein
Special Counsel, Seattle
Randy Sabett
Special Counsel, Washington, DC
Karen Tsai
Special Counsel, Washington, DC
Natasha Leskovsek
Of Counsel, Washington, DC
Rachel Thorn
Of counsel, New York
Alexandria Ashour
Associate, San Diego
Navya Dasari
Associate, New York
Joshua Elefant
Associate, Palo Alto
Tony P. Guan
Associate, Santa Monica
Michelle Hunt
Associate
Emily Mok
Associate, Reston
Jonathan Perez-Reyzin
Associate, San Diego
Breanna Qin
Associate, Palo Alto
Christopher Suhler
Associate, Colorado
Novak Topalovic
Associate, San Diego
Heidi E. Wang
Associate, San Diego
Rubin Waranch
Associate, Colorado
Yuhan Wu
Associate, Palo Alto
Joanna Zhang
Associate, San Diego
Jessica Wade
Paralegal Specialist, San Diego

Related Practices & Industries

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