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Mark D. Wood

Chicago Office

Mark D. Wood is head of Katten's Securities practice and concentrates in corporate and securities law. Mark represents public companies, issuers and investment banks in initial public offerings (IPOs) and other public offerings of equity and debt securities and other securities matters.

Mark also represents clients in complex corporate transactions, including tender offers, mergers, acquisitions, dispositions, going-private transactions, private equity investments, joint ventures, strategic alliances and private placements, as well as proxy contests and other shareholder activism matters. He is a leading practitioner in representing investors, public companies and placement agents in private investment in public equity (PIPE) transactions. In addition, he counsels public companies on securities law compliance, disclosure, corporate governance and compensation-related issues. Mark also represents pharmaceutical, medical device and other life sciences companies in a variety of transactional matters, including the financing and commercialization of biosimilars. Many of Mark’s clients are middle market and upper middle market companies in the health care, technology, oil and gas, mining, manufacturing and financial services industries.

Mark is a frequent speaker and writer on securities and corporate law topics. He is a registered Certified Public Accountant.

Shown below is a selection of Mark’s engagements.


Best Lawyers Lawyer of the Year 2016 - Mark Wood - Securities Regulation–Chicago
Best Lawyers in America, 2010–2019
Super Lawyers, Illinois, 2018–2019
Co-author, Structured PIPEs: Convertible Preferred Stock and Convertible Debt, The Issuer's Guide to PIPEs: New Markets, Deal Structures, and Global Opportunities for Private Investments in Public Equity
Co-author, Code of Ethics, The Practitioner's Guide to the Sarbanes-Oxley Act
Editor and Author | Corporate & Financial Weekly Digest
Firm News
September 27–28, 2017
Co-Chair and Presenter | Securities Act Exemptions | 20 Questions – What’s on Your Mind and What’s New in Securities Law? | Understanding the Securities Laws 2015 | Chicago, Illinois
July 20–21, 2017
Co-Chair | Basics of Accounting for Lawyers 2017: What Every Practicing Lawyer Needs to Know | Practising Law Institute (PLI)
December 15, 2016
Panelist | Evolving Your Current IR Strategies to Adapt to the Evolved Investor Landscape | New York, New York
September 28–29, 2016
Co-Chair and Presenter | Securities Act Exemptions | Disclosure Challenges and Current Hot Topics | Understanding the Securities Laws 2015 | Chicago, Illinois
October 27–28, 2015
Co-Chair and Presenter | Securities Act Exemptions | Presenter | Disclosure Challenges, Deal Alternatives and Current Hot Topics | Understanding the Securities Laws 2015 | Chicago, Illinois
Mark D. Wood


  • JD, University of Michigan Law School
  • BS, University of Illinois

Bar Admissions

  • Illinois

Court Admissions

  • US District Court, Northern District of Illinois


Best Lawyers Lawyer of the Year 2016 - Mark Wood - Securities Regulation-Chicago
Best Lawyers in America
Super Lawyers
Illinois, 2018–2019
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  • American Bar Association, Business Law Section, Committee on Federal Regulation of Securities
  • NASDAQ, Public Policy Advisory Group
  • Ray Garrett Jr. Corporate and Securities Law Institute at Northwestern Law School, Executive Committee
  • The Chicago Bar Association
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