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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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).

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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

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Alumis Announces Merger With ACELYRIN

February 6, 2025

Cooley advised Alumis (Nasdaq: ALMS), a clinical-stage biopharmaceutical company developing therapies using a precision approach to optimize clinical outcomes and significantly improve the lives of patients with immune-mediated diseases, on its definitive agreement with ACELYRIN to merge in an all-stock transaction.

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Jamie Leigh
Partner, San Francisco
David Peinsipp
Partner, San Francisco
Ben Beerle
Partner, San Francisco
Kristin VanderPas
Partner, San Francisco
Polina A. Demina
Special Counsel, New York
Sangitha Palaniappa
Associate, Palo Alto
Christine Turner
Associate, Colorado
Shaun (Tianjie) Wang
Associate, New York
Megan Browdie
Partner, Washington, DC
Lauren Creel
Partner, Palo Alto
Ross Eberly
Partner, Santa Monica
Stephanie Gentile
Partner, New York
Sarah Lightdale
Partner, New York
Phil Mitchell
Partner, New York
Jeremy Morrison
Partner, Washington, DC
Alessandra Murata
Partner, Palo Alto
Jennifer Raab
Partner, Palo Alto
Patrick Van Eecke
Partner, Brussels
Natasha Leskovsek
Of Counsel, Washington, DC
Julia R. Brinton
Special Counsel, Washington, DC
Andrew Epstein
Special Counsel, Seattle
Caroline Vu
Special Counsel, Palo Alto
Christopher Andrews
Associate, New York
Dannielle Antone
Associate, San Francisco
Tamara Chin Loy
Associate, Washington, DC
Navya Dasari
Associate, New York
Joshua Elefant
Associate, Palo Alto
Winda Fung
Associate, Santa Monica
Wyatt Kernell
Associate, Colorado
Kristina Krasnikova
Associate, Palo Alto
Sunny J. Levine
Associate, Colorado
Amanda Lindner
Associate, New York
Jayne M. Munger
Associate, New York
Julianne Orr
Associate, San Francisco
Michael Pelle
Associate, New York
Breanna Qin
Associate, Palo Alto
Bartholomäus Regenhardt
Associate, Brussels
Jesse Schulman
Associate, Colorado
Freddy Yip
Associate, Hong Kong
Isabella Ysebrands
Associate, San Francisco

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H1 Acquires Ribbon Health

January 8, 2025

Cooley advised H1, a global healthcare data technology company, on its acquisition of Ribbon Health.

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Jeff Laretto
Partner, New York
Garth Angelo Osterman
Partner, San Francisco
Nathan Baum
Special Counsel, New York
Stephanie Gentile
Partner, New York
Ryan Montgomery
Partner, Boston
Sarah Buchik
Associate, New York
Sela Dougherty
Associate, Miami
Shaun (Tianjie) Wang
Associate, New York
Megan Browdie
Partner, Washington, DC
Patrick Flanagan
Partner, New York
Michael Klein
Partner, New York
Len Jacoby
Partner, New York
Kristen Mathews
Partner, New York
Phil Mitchell
Partner, New York
Gerard O'Shea
Partner, New York
Mark Windfeld-Hansen
Senior Counsel, Palo Alto
Stacey A. Bradford
Special Counsel, Washington, DC
Julia R. Brinton
Special Counsel, Washington, DC
Sharon Davidov
Associate, New York
Jeremy M. Exelbert
Associate, New York
Michael Gladstone
Associate, New York
Sunny J. Levine
Associate, Colorado
Amanda Pacheco
Associate, Palo Alto
Liz Paisner
Associate, New York
Katharina Schwarz
Associate, New York
Robert Warshaw
Associate, New York
Leanne Andrepont
Senior Trademark Paralegal
Patricia Myers
Paralegal Specialist, Colorado

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