Mary Anne O'Connell: Lawyer with Husch Blackwell LLP

Mary Anne O'Connell

St. Louis,  MO  U.S.A.

Peer Rating
AV® Preeminent

Client Rating

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Experience & Credentials Ratings & Reviews

Practice Areas

  • Technology
  • Manufacturing & Transportation
  • Financial Services
  • Securities & Corporate Governance
  • Manufacturing
  • Corporate
  • Mergers & Acquisitions
Contact InfoTelephone: 314.480.1715
Fax: 314.480.1505
University Saint Louis University, B.A., English, 1973
Law SchoolUniversity of Missouri-Kansas City School of Law, J.D., with distinction, 1982 UMKC Law Review, Associate Comments Editor
Admitted1982, Missouri; 1983, Kansas

Professional Associations and Memberships
•The Missouri Bar
•The American Bar Association - Business Law Section


Mary Anne assists companies with mergers and acquisitions, sales of businesses and other strategic opportunities. A member of the Technology, Manufacturing & Transportation team, she represents a number of private equity firms, as well as operating companies, in structuring, negotiating and administering investments in early- and later-stage companies. Among her achievements in the industry:
•Counseling a Midwest-based construction company in its acquisition of Oklahoma's largest construction company.
•Negotiating, structuring and documenting the acquisitions of numerous portfolio companies by private equity funds.

Mary Anne also advises public companies on securities law and governance matters and works with clients on private placements of securities. She has been recognized by a number of organizations for outstanding mergers and acquisitions and corporate work, including recently being named as one of the “Top 100 St. Louisans You Should Know to Succeed in Business.” Mary Anne is a member of the firm's Partner Board.

Awards and Recognitions
The Best Lawyers In America, Corporate Law, Mergers and Acquisitions, 2007-2015
Chambers USA, Corporate/Mergers and Acquisitions Law, 2004-2014
•Martindale-Hubbell AV Preeminent
Missouri & Kansas Super Lawyers, Mergers & Acquisitions, 2007-2009; Top 50 Women, 2007
Small Business Monthly, Top 100 St. Louisans You Should Know to Succeed in Business, 2012
Who's Who Legal, Corporate Governance, 2009-2010

• The Hon. Howard F. Sachs, U.S. District Court, Western District of Missouri, 1982-1983

•Advised Midwest-based company in its purchase of one of Oklahoma's largest construction companies in a multimillion-dollar transaction.
•Represented private equity fund clients in negotiation, structuring and documentation for the acquisitions of portfolio companies in various manufacturing industries, including senior and subordinated lending arrangements, various classes of equity interests, buy-sell provisions, drag-along, tag-along, management agreement, executive employment agreements and equity compensation program.
•Counseled manufacturing companies on sale and recapitalization transactions, including partial redemptions of debt and equity held by group of private equity funds.
•Represented well-known manufacturing issuer with automatic “universal” shelf registration on Form S-3 for covering senior and subordinated debt securities, preferred stock, common stock and warrants.

Business Insights

Business Insights
5.29.14 Early Conflict Minerals Filings: Good, Better, Best
Technology, Manufacturing & Transportation Blog
4.30.14 SEC Requires Continued Compliance with Conflict Minerals Rules Despite Court Ruling
Technology, Manufacturing & Transportation Alert
4.15.14 Court Declares Partial Victory for Manufacturers in Conflict Minerals Case
Technology, Manufacturing & Transportation Alert
4.09.14 SEC Publishes Second Set of Conflict Mineral FAQs Focusing on Audit Requirement
Technology, Manufacturing & Transportation Alert
9.19.13 SEC Proposes New Pay-Ratio Disclosure Rules
8.15.13 PCAOB Proposes Major Reforms to Auditor Reporting Standards
7.16.13 SEC Lifts the Ban on General Solicitation and Advertising
5.21.13 First Deadline Nears for Compliance with Compensation Committee Rules
8.29.12 SEC Adopts Disclosure Rules for Conflict Minerals
Technology, Manufacturing & Transportation Alert
7.09.12 Verbal Warnings Reinforce Access to Safe Harbor Protections

In The News
8.19.14 Husch Blackwell Boasts 106 Best Lawyers on 2015 List, Seven “Lawyers of the Year”
Energy & Natural Resources Financial Services Food & Agribusiness Healthcare, Life Sciences & Pharmaceuticals Real Estate, Development & Construction Technology, Manufacturing & Transportation News Release
5.23.14 Chambers USA 2014 Gives Husch Blackwell High Rankings in Nine Areas of Law; 40 Attorneys Recognized
Energy & Natural Resources Healthcare, Life Sciences & Pharmaceuticals Real Estate, Development & Construction News Release
8.16.13 Best Lawyers 2014 Names 109 from Husch Blackwell, 13 “Lawyers of the Year”
Healthcare, Life Sciences & Pharmaceuticals Real Estate, Development & Construction Financial Services Energy & Natural Resources News Release
6.03.13 Husch Blackwell Receives High Rankings, Praise from Clients in Chambers USA 2013
News Release
8.23.12 2013 Best Lawyers Includes 106 Husch Blackwell Attorneys in 56 Practice Areas and 7 States
News Release
6.12.12 Husch Blackwell Receives Top Rankings from Chambers and Partners
Real Estate, Development & Construction News Release
9.06.11 More Than 100 Husch Blackwell Attorneys Named to Best Lawyers 2012
News Release
6.13.11 Husch Blackwell Receives High Rankings, Praise from Clients in Chambers USA 2011
Real Estate, Development & Construction News Release
10.22.09 Missouri & Kansas Super Lawyers 2009 Names 73 Husch Blackwell Sanders Attorneys
News Release


View Ratings & Reviews
Profile Visibility
#702 in weekly profile views out of 9,504 lawyers in St. Louis, Missouri
#104,626 in weekly profile views out of 1,711,087 total lawyers Overall

Office Information

Mary Anne O'Connell

190 Carondelet Plaza, Suite 600
St. LouisMO 63105-3441


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