- Overview
- Experience
Introduction
Jason is a leading adviser to public company boards, CEOs, and general counsel on corporate governance, securities, SEC disclosure, shareholder activism, and capital markets matters.
Jason Day serves as Co-Chair of Ashurst Perkins Coie's Global Corporate Division, leading more than 500 corporate lawyers across North America, Europe, Australia, and Asia. As a member of the firm's Global Leadership Team, he helps shape the firm's worldwide strategy and draws on the breadth of Ashurst Perkins Coie's global platform to assist clients facing their most significant governance, transactional, regulatory, and other challenges.
For 25 years, Jason has served as trusted outside counsel to NYSE- and Nasdaq-listed public companies, advising boards and executive management on their most consequential decisions. He is the principal outside securities and governance adviser to public companies across a broad range of industries, counseling clients on SEC reporting and disclosure, fiduciary duties, shareholder activism, proxy contests, capital markets offerings, executive succession, internal investigations, capital deployment, transformational mergers and acquisitions, and other board-level strategic matters.
Clients value Jason’s technical command of securities law and corporate governance, practical business judgment, responsiveness, and ability to guide boards through complex and sensitive situations. Chambers USA client reviews state, "Jason is super knowledgeable, has a great business sense, and is super responsive,” and “Jason offers practical advice that is focused on the ultimate business result.”
Jason has been recognized for many years by Chambers USA as one of America's leading corporate lawyers. He is a co-editor of The Public Company Handbook: A Corporate Governance and Disclosure Guide for Directors and Executives and a frequent national speaker on securities and corporate governance topics.
Education & credentials
- The George Washington University Law School, J.D.
- Syracuse University, B.A.
- Colorado
Professional recognition
Ranked by Chambers USA as "America's Leading Lawyer" for Corporate: Mergers & Acquisitions, 2016-2024
Named "Lawyer of the Year," for Securities Regulation by Best Lawyers in America, 2025
Listed in The Best Lawyers in America: Corporate Governance Law; Securities / Capital Markets Law; Securities Regulation, 2014-2026
Named “Corporate Governance Law Lawyer of the Year” by Best Lawyers in America, 2021
Named "Lawyer of the Year," for Securities / Capital Markets Law and Securities Regulation by Best Lawyers in America, 2020
Listed in 5280 as one of Denver's Top Lawyers, 2016-2020
Named a "Colorado Super Lawyer," by Super Lawyers, 2014-2018
Named Lexology and International Law Office (ILO), Client Choice Award: Capital Markets, 2014-2015
Named "Colorado Lawyer of the Year" by Law Week Colorado, 2013
Named a "Colorado Rising Star," by Super Lawyers, 2012-2013
Listed in the Legal 500 under capital markets-equity offerings, 2011
Impact
- Colorado Bar Association Securities Law Section, Co-Chair, 2009-2011
- Syracuse University College of Arts and Sciences, Former Member, Board of Visitors
- Easter Seals of Colorado, Former Member, Board of Directors
Amcor PLC
Represented Amcor PLC in an issuance of $800 million senior notes offering.
Gevo, Inc.
Represented Gevo, Inc. in its $350-million public offering of common stock.
Crocs, Inc.
Represented Crocs, Inc. in an issuance of $350 million senior notes.
Pacira BioSciences, Inc.
Represented Pacira BioSciences, Inc. in a $402 million convertible note offering.
Molson Coors Brewing Company
Representation of Molson Coors in connection with its $2.5 billion class B Common stock offering and $1.5 billion commercial paper facility.
M/A-COM Technology Solutions Inc. IPO & Follow-on Offering
Representation of M/A-Com Technology Solutions Inc. in connection with its initial public offering and follow-on common stock offering.
T-Mobile USA, Inc.
Represented T-Mobile USA, Inc. in a $5.6 billion secondary offering of senior unsecured notes by majority stockholder, Deutsche Telekom AG.
T-Mobile USA, Inc.
Represented T-Mobile USA, Inc. in an aggregate of $2.8 billion of public offerings of common and preferred stock.
Crocs, Inc.
Representation of Crocs, Inc. in connection with its sale of $200 million in preferred stock to affiliates of Blackstone and subsequent secondary public offerings by Blackstone.
Pacira Pharmaceuticals, Inc.
Represented Pacira in a $118 million follow-on public offering and $345 million convertible note offering.
Initial Public Offerings
Representation of insurance, retail, technology and medical device companies in connection with their initial public offerings.
Underwritten Public Offerings
Representation of various issuers and underwriters in connection with underwritten public offerings.
Crocs, Inc.
Represented Crocs in $2.5 Billion acquisition of HEYDUDE.
Pacira Pharmaceuticals, Inc.
Represented Pacira BioSciences in its acquisition of Flexion Therapeutics (NASDAQ: FLXN).
Maverick Therapeutics, Inc.
Represented Maverick Therapeutics in its acquisition by Takeda Pharmaceutical Company.
Pacira Pharmaceuticals, Inc.
Represented Pacira BioSciences in its acquisition of MyoScience.
Peak Resorts, Inc.
Represented Missouri-based Peak Resorts, Inc. (NASDAQ: SKIS), a publicly traded owner and operator of 17 ski resorts in the Northeast and Midwest, in its acquisition by Vail Resorts, Inc. for approximately $264 million in cash and assumption of additional debt.
Thompson Creek Metals Company Inc.
Represented Thompson Creek Metals Company Inc. (TSX:TCM) (OTCQX:TCPTF) in its $1.1billion acquisition by Centerra Gold Inc. (TSX:CG).
M/A-COM Technology Solutions Holdings, Inc.
Represented M/A-COM Technology Solutions Holdings, Inc. (NASDAQ:MTSI) in connection with its acquisition of Mindspeed Technologies, Inc. (NASDAQ:MSPD), BinOptics and several others.
Acquisitions of Various Public and Private Companies
Representation of private equity funds and strategic buyers in connection with their acquisitions of various public and private companies.
Sale of Public Companies
Representation of various public companies in connection with their sales to strategic and financial buyers.
Latest thinking
Carousel: clicking the "Previous" or "Next" button changes the content between the buttons.
Latest news, deals and awards
Carousel: clicking the "Previous" or "Next" button changes the content between the buttons.
-
News Perkins Coie Ranks Among Top Law Firms in 2026 Chambers USA
June 04, 2026
Discover more -
News Perkins Coie Advises Amcor plc on $1.5 Billion Senior Notes Offering
March 16, 2026
Discover more -
News Perkins Coie Advises Pacira BioSciences, Inc. in Its Acquisition of GQ Bio Therapeutics
March 03, 2025
Discover more