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LB Pharmaceuticals Announces $285 Million Upsized IPO

September 12, 2025

Cooley advised LB Pharmaceuticals, a clinical-stage biopharmaceutical company developing novel therapies for the treatment of neuropsychiatric diseases including schizophrenia, on its $285 million upsized initial public offering (IPO).

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Brandon W. Fenn
Partner, New York
Div Gupta
Partner, New York
Marc Recht
Partner, Boston
Minkyu Park
Special Counsel, New York
Denny Xu
Associate, Boston
Danbi Kim
Associate, Boston
Ariane A. Andrade
Partner, Chicago
Nathaniel Hearn Jr.
Associate, Chicago
Karun Ahuja
Special Counsel, Chicago
Brandon Lefebvre
Quantitative Analyst, Boston
Stephanie Gentile
Partner, New York
Austin Holt
Partner, Santa Monica
Eileen Marshall
Partner, Washington, DC
Phil Mitchell
Partner, New York
Gerard O'Shea
Partner, New York
David Peinsipp
Partner, San Francisco
Ryan Vann
Partner, Chicago
Francis Wheeler
Senior Counsel, Colorado
Mark Windfeld-Hansen
Senior Counsel, Palo Alto
Sharon Connaughton
Special Counsel, Washington, DC
Andrew Epstein
Special Counsel, Seattle
Jessica Koffel
Special Counsel, Brussels
Rebecca Ross
Special Counsel, Washington, DC
Natasha Leskovsek
Of Counsel, Washington, DC
Chelsea Braun
Associate, Boston
Cara Buchicchio
Associate, New York
David Dalton
Associate, Santa Monica
Vince Flynn
Associate, San Diego
Virat Gupta
Associate, Washington, DC
Wyatt Kernell
Associate, Colorado
Allison Kutner
Associate, New York
Brenna McGuire
Associate, Washington, DC
Sarah Miller
Associate, New York
Jayne M. Munger
Associate, New York
Miles Patton
Associate, New York
Alla Kagan
Paralegal Specialist, San Diego
Cathy Rude
Paralegal Specialist, Boston
Jake Ironfield
Transactional Quantitative Analyst, New York
Brian Mitchell
Transactional Quantitative Analyst, San Diego

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Caris Life Sciences Announces $494 Million IPO

June 20, 2025

Cooley advised the underwriters of Caris Life Sciences, a patient-centric, next-generation artificial intelligence techbio company and precision medicine pioneer, in connection with Caris’ $494 million initial public offering (IPO).

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Eric Blanchard
Partner, Boston
Div Gupta
Partner, New York
Charlie Kim
Partner, San Diego
Minkyu Park
Special Counsel, New York
Mark Ballantyne
Partner, Reston
Ariane A. Andrade
Partner, Chicago
Shamis Beckley
Partner, Boston
Caitlin Courtney
Partner, Palo Alto
Annie Froehlich
Partner, Washington, DC
Daniel Grooms
Partner, Washington, DC
Jonie Ing Kondracki
Partner, San Francisco
Phil Mitchell
Partner, New York
Sonia Nath
Partner, Washington, DC
Gerard O'Shea
Partner, New York
Tracy Rubin
Partner, Palo Alto
Francis Wheeler
Senior Counsel, Colorado
Son Nguyen
Special Counsel, Washington, DC
Randy Sabett
Special Counsel, Washington, DC
Karen Tsai
Special Counsel, Washington, DC
Karen Tsai
Special Counsel, Washington, DC
William Corcoran
Of Counsel, Boston
Natasha Leskovsek
Of Counsel, Washington, DC
Trevor Bossi
Associate, Boston
Cara Buchicchio
Associate, New York
Eric J. Delgado
Associate, New York
Matthew Iannone
Associate, New York
Wyatt Kernell
Associate, Colorado
Allison Kutner
Associate, New York
Calvin Lee
Associate, New York
Amiti C. Rothstein
Associate, New York
Dr. Jason Valentine
Associate, Washington, DC
Margaux Arntson
Associate

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SiteOne Therapeutics to Be Acquired by Eli Lilly for up to $1 Billion

May 28, 2025

Cooley advised SiteOne Therapeutics, a private biotechnology company developing small molecule inhibitors of sodium channels to treat pain and other neuronal hyperexcitability disorders, on its acquisition by Eli Lilly.

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Laura Berezin
Partner, Seattle
Sara Semnani
Partner, Santa Monica
Rowook Park
Partner, San Diego
Charity Williams
Partner, San Diego
Rena Kaminsky
Special Counsel, Palo Alto
Todd Gluth
Partner, San Diego
Lila Hope
Partner, Palo Alto
Noel Ripberger-Scheick
Associate, Palo Alto
Tucker Cochenour
Associate, Palo Alto
Kristin O'Hanlon
Special Counsel, San Francisco
David Fletcher
Partner, Washington, DC
Jamie Leigh
Partner, San Francisco
Carly Mitchell
Partner, Washington, DC
Jeremy Morrison
Partner, Washington, DC
Gerard O'Shea
Partner, New York
Marty Schenker
Senior Counsel , San Francisco
Andrew Epstein
Special Counsel, Seattle
Karen Tsai
Special Counsel, Washington, DC
Natasha Leskovsek
Of Counsel, Washington, DC
Selin Akkan
Associate, Palo Alto
Mari Dugas
Associate, Washington, DC
Virat Gupta
Associate, Washington, DC
Eileen Leman
Associate, Los Angeles
Joseph Perry
Associate, Reston
Hannah Rausch
Associate, New York
Melody Van Horn
Senior Paralegal, Palo Alto

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PetLab Co. Announces Majority Stake Sale to BC Partners

February 26, 2025

Cooley advised PetLab Co., a rapidly growing independent pet supplement brand headquartered in London, on its majority stake sale to BC Partners, a top international investment firm.

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Ben Shribman
Partner, London
Kevin Cooper
Partner, New York
Louise Burt
Associate, London
David Wilson
Partner, London
Eerik Kukebal
Associate, London
Aaron Pomeroy
Partner, Colorado
Paula Holland
Partner, London
Harry Calkin
Associate, London
Rick Jantz
Associate, Santa Monica
Jia Xie
Associate, London
Patrick Flanagan
Partner, New York
Paula Fleckenstein
Associate, Reston
David Walsh
Senior Counsel, Reston
Chris Coulter
Partner, London
Megan Browdie
Partner, Washington, DC
Caroline Hobson
Partner, London
Colm Murphy
Partner, London
Gerard O'Shea
Partner, New York
Lauren A. Reichardt
Partner, New York
Guadalupe Sampedro
Partner, London
Stella Sarma
Partner, Brussels
Leo Spicer-Phelps
Partner, London
Nicola Squire
Partner, London
Chris Stack
Partner, London
Henry Stewart
Partner, London
Michael Tollini
Partner, Washington, DC
Karun Ahuja
Special Counsel, Chicago
Sharon Connaughton
Special Counsel, Washington, DC
Jack Jones
Special Counsel, London
Cristina DeBiase
Associate, Boston
Athina Gaki
Associate, Brussels
Alexandra Leavy
Associate, New York
Daniel Millard
Associate, London
Megan Mojabi (Flynn)
Associate, London
Breanna Qin
Associate, Palo Alto
Alice Wong
Associate, London
Steven A. Zuckerman
Associate, New York
Margie Murphy
Paralegal Specialist, New York
Jake Ironfield
Transactional Quantitative Analyst, New York
Kafeel Azher
Associate, London

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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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