Nathaniel Hearn Jr.

Associate
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Experience

Horizon Therapeutics to Be Acquired by Amgen for Approximately $28 Billion

December 20, 2022

A Cooley team advised Horizon Therapeutics, a specialty biopharmaceutical company, on its agreement to be acquired by Amgen. The approximately $28 billion merger would represent the third-largest all-cash transaction in the pharmaceutical sector in history and the biggest healthcare deal of 2022.

 

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Barbara Borden
Partner, San Diego
Kay Chandler
Partner, San Diego
Rama Padmanabhan
Partner, San Diego
Rowook Park
Partner, San Diego
Jacqueline Grise
Partner, Washington DC
Kelly Murata
Paralegal Specialist, San Francisco
Michael Tollini
Partner, Washington DC
Todd Gluth
Partner, San Diego
Lindsey O'Crump
Associate, Washington DC
Edmond Lay
Associate, San Diego
Melissa Meza
Associate, San Diego
Peter Adams
Partner, San Diego
Fraser Brown
Partner, Washington DC
Ross Eberly
Partner, Los Angeles Santa Monica
Patrick Van Eecke
Partner, Brussels
David Fletcher
Partner, Washington DC
Caroline Hobson
Partner, London
Alexander Israel
Partner in Charge – Brussels, Brussels
Christopher Kimball
Partner, Washington DC
Mischi a Marca
Partner, San Francisco
Chadwick Mills
Partner, San Francisco
Phil Mitchell
Partner, New York
Alessandra Murata
Partner, Palo Alto
John Paul Oleksiuk
Partner, New York
Michelle Garcia Schulman
Partner, Reston
Lei Shen
Partner, Chicago
Charity Williams
Partner, San Diego
Elizabeth Anne Wright
Partner, Brussels
David Burns
Special Counsel, Washington DC
Sharon Connaughton
Special Counsel, Washington DC
Christine Graham
Special Counsel, London
Natasha Leskovsek
Of Counsel, Washington DC
Rebecca Ross
Special Counsel, Washington DC
Stella Sarma
Special Counsel, Brussels
Matthew D. Silverman
Special Counsel, San Diego
Karen Tsai
Special Counsel, Washington DC
Karun Ahuja
Associate, Chicago
Wade Andrews
Associate, San Diego
Ajay Athavale
Associate, San Francisco
Anna Caro
Associate, London
Umer Chaudhry
Associate, Washington DC
Megan Drill
Associate, San Diego
Andrea Batalla Eguidazu
Associate, London
Michael Fernando
Associate, London
Daniel Gillon
Associate, San Diego
Zack Gong
Associate, Shanghai
Ellie Guadiana
Partner, Los Angeles Santa Monica
Justin Kisner
Special Counsel, Palo Alto
Jessica Koffel
Associate, Brussels
Allison Kutner
Associate, New York
Daniel Lac
Associate, San Diego
Jan Lang
Associate, Brussels
Katie MacDowell
Associate, Reston
Joe Mandry
Associate, San Diego
Dani Nazemian
Special Counsel, San Diego
Linh Nguyen
Associate, San Diego
Allison Wettstein O’Neill
Associate, San Diego
Alexandra Paterson
Associate, London
Addison Pierce
Associate, Chicago
Bartholomäus Regenhardt
Associate, Brussels
Arman Sagart
Associate, San Diego
Grant Schweikert
Special Counsel, Washington DC
Michael Weinstein
Associate, San Diego
Nathaniel Hearn Jr.
Associate, New York
Megan Browdie
Partner, Washington DC

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RayzeBio Announces Upsized $357.6 Million IPO

September 19, 2023

Cooley advised RayzeBio, a targeted radiopharmaceutical company developing an innovative pipeline against solid tumor targets, on its upsized $357.6 million initial public offering.

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Carlos Ramirez
Partner, San Diego
Charlie Kim
Partner, San Diego
Marya Postner
Partner, Palo Alto
Terren O'Connor
Associate, San Diego
Valerie Sapozhnikova
Associate, Los Angeles Downtown
Jayden Martinez
Associate, Colorado
Michelle Hunt
Associate
Todd Gluth
Partner, San Diego
Tony P. Guan
Associate, Los Angeles Santa Monica
Nathaniel Hearn Jr.
Associate, New York
Daniel Lac
Associate, San Diego
Natasha Leskovsek
Of Counsel, Washington DC
Phil Mitchell
Partner, New York
Alessandra Murata
Partner, Palo Alto
Kelly Nelle
Paralegal Specialist, San Diego
Rebecca Ross
Special Counsel, Washington DC
Jennifer Shanley
Special Counsel, New York
Jeffrey J. Tolin
Partner, New York
Francis Wheeler
Partner, Colorado

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Sprout Social Acquires Tagger Media

August 4, 2023

Cooley advised Sprout Social, a social media management software company, on its $140 million acquisition of Tagger Media, a top influencer marketing platform, and a concurrent $100 million secured debt facility, which will be partially used to fund the acquisition.

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Erin J. Kirchner
Partner, Chicago
Caitlin Courtney
Associate, Palo Alto
Jason Savich
Partner, San Francisco
Addison Pierce
Associate, Chicago
Timothy Shapiro
Partner, Palo Alto
Nyron J. Persaud
Partner, New York
Megan Browdie
Partner, Washington DC
Lei Shen
Partner, Chicago
Sean Ruff
Partner, Washington DC
Guadalupe Sampedro
Partner, London
Mark Windfeld-Hansen
Senior Counsel, Palo Alto
Miriam Petrillo
Special Counsel, Chicago
Kristopher Kleiner
Special Counsel, Colorado
Stella Sarma
Special Counsel, Brussels
Karen Tsai
Special Counsel, Washington DC
Adam Fleisher
Special Counsel, Washington DC
Ariane A. Andrade
Special Counsel, Chicago
Bryan Berman
Special Counsel, Colorado
Annie Froehlich
Special Counsel, Washington DC
Chelsea André
Associate, Colorado
Adam Bloom
Associate, Chicago
Megan E. Bowles
Associate, Chicago
David Dalton
Associate, Los Angeles Santa Monica
Dionne A. Thomas
Associate, San Diego
Mickeala Tu
Associate, Palo Alto
Joyce Li
Associate, Chicago
Sundiata Sidibe
Associate, New York
Allison Kutner
Associate, New York
Jose Luis Gonzalez
Associate, Palo Alto
Morgan McCormack
Associate, London
John Alec Stouras
Associate, Palo Alto
Moussa O. Ismail
Associate, Reston
María Álvarez Requejo Heredero
Associate, Brussels
Mari Dugas
Associate, Washington DC
Nathaniel Hearn Jr.
Associate, New York
Michael Gladstone
Associate, New York
Arthi Naini
Associate, New York
Rubin Waranch
Associate, Washington DC
Bartholomäus Regenhardt
Associate, Brussels
Carly E. Gibbons
Associate, Chicago
Daniel Millard
Associate, London
E. James Dionne
Associate, Washington DC
Karun Ahuja
Associate, Chicago
Ehijele Olumese
Associate, Los Angeles Downtown
Patricia Myers
Paralegal Specialist, Colorado
Jeffrey J. Tolin
Partner, New York
Patrick Flanagan
Partner, New York
Francis Wheeler
Partner, Colorado
Stevie Yu
Associate, New York
Matthew S. Scarano
Associate, San Diego
Ajay Athavale
Associate, San Francisco
Jennifer Fitzpatrick
Paralegal Specialist, Washington DC

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Moogsoft Agrees to Sell to Dell

July 19, 2023

Cooley advised Moogsoft, an artificial intelligence-driven provider of intelligent monitoring solutions that support DevOps and ITOps, on its agreement to sell to Dell Technologies. Lawyers Steve Tonsfeldt, Mark Tanoury, Sangitha Palaniappa and Allison Peth led the Cooley team advising Moogsoft.

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Related contacts

Sangitha Palaniappa
Associate, Palo Alto
Mark Tanoury
Partner, Palo Alto
Ure A. Obioma
Associate, Palo Alto
Tyler McClure
Associate, San Francisco
Joe Mandry
Associate, San Diego
Steve Tonsfeldt
Partner, Palo Alto
Ajay Athavale
Associate, San Francisco
David Wilson
Partner, London
David H. Zhou
Associate, Palo Alto
Jia Xie
Associate, London
Tracy Rubin
Partner, Palo Alto
Mickeala Tu
Associate, Palo Alto
Kafeel Azher
Associate, London
John Alec Stouras
Associate, Palo Alto
Nathaniel Hearn Jr.
Associate, New York
Michael Gladstone
Associate, New York
Allison Peth
Associate, Palo Alto
Alessandra Murata
Partner, Palo Alto
Jose Luis Gonzalez
Associate, Palo Alto
Ross Eberly
Partner, Los Angeles Santa Monica
Kristopher Kleiner
Special Counsel, Colorado
Bomin Kim
Associate, New York
Eileen Leman
Associate, Los Angeles Downtown
Kevin Rivers
Associate, Palo Alto
Paula Holland
Partner, London
Casey Warsh
Associate, Colorado
Christine Graham
Special Counsel, London
Rubin Waranch
Associate, Washington DC
Allison Kutner
Associate, New York
Stella Sarma
Special Counsel, Brussels
Ann Bevitt
Partner, London

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Morphimmune Announces Merger With Immunome and $125 Million Private Investment

July 5, 2023

Cooley advised Morphimmune, a private biotechnology company, in its definitive merger agreement with Immunome and $125 million private investment.

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Related contacts

Tom Coll
Partner, San Diego
Barbara Borden
Partner, San Diego
Carlos Ramirez
Partner, San Diego
Dylan Kornbluth
Associate, San Diego
Polina A. Demina
Associate, New York
Melissa Meza
Associate, San Diego
Kyrsten Lundh
Associate, San Diego
Daniel Gillon
Associate, San Diego
Nyron J. Persaud
Partner, New York
Todd Gluth
Partner, San Diego
Kay Chandler
Partner, San Diego
Ross Eberly
Partner, Los Angeles Santa Monica
Mark Windfeld-Hansen
Senior Counsel, Palo Alto
Sharon Connaughton
Special Counsel, Washington DC
Ajay Athavale
Associate, San Francisco
Joe Mandry
Associate, San Diego
Nathaniel Hearn Jr.
Associate, New York
Terren O'Connor
Associate, San Diego
Daniel Lac
Associate, San Diego
Eileen Leman
Associate, Los Angeles Downtown

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Memberships & affiliations

American Bar Association

The Florida Bar