David J. Champoux

David Champoux is a partner in Pierce Atwood's Business Law Practice Group. His practice focuses on business transactions and business entities, including acquisitions and dispositions of businesses (through asset purchase, stock purchase or merger), securities offerings and other financing transactions, structuring and negotiating complex commercial contracts, forming business entities and counseling clients on corporate governance matters and shareholder and other agreements among the entities' owners, and advising clients on compliance with federal and state securities law public disclosure and other requirements.

David practiced as an associate at Sullivan & Cromwell in New York before joining Pierce Atwood.

Honors & Distinctions
  • Listed in The Best Lawyers in America® since 2003 in the areas of Corporate Law, Mergers & Acquisitions Law, and Securities/Capital Markets Law
  • Named "Lawyer of the Year" in Maine by The Best Lawyers in America® for Mergers & Acquisitions Law (2021, 2018, 2016 and 2023); for Securities/Capital Markets Law (2017 and 2020); and for Corporate Law (2015 and 2023)
  • Recognized by Chambers USA for Corporate/M&A Law
Professional Activities
  • Member, Business Law Section, Maine Bar Association
  • Past Chair, Business Law Section, Maine Bar Association
  • Commissioner, Uniform Laws Commission, 2016-2018
Civic Activities
  • Member, Board of Directors of the United States Tennis Association/New England, 2009-present; First Vice President, 2018-2021; President, 2021-present
  • United States Tennis Association Member, League Committee (National), United States Tennis Association, 2013-2019; Grievance Committee, 2019-2021
  • Member, Board of Directors of the Maine Tennis Association, 2007-2014
  • North Yarmouth Academy Board of Trustees, 2005-2014

Practice Areas

David has been the lead attorney on numerous significant recent transactional and other business matters, including:

Representative Experience
  • Lead counsel to ImmuCell Corporation in 2016, 2017 and 2019 SEC-registered and privately-placed offerings of $21 million of common stock
  • Lead counsel to The First Bancorp in 2013 SEC registered offering of $10.75 million of common stock
  • Lead counsel to Casella Waste Systems in its 2018 acquisition of the Holyoke, MA transfer station business owned by United Material Management
  • Outside counsel responsible for advising two SEC reporting clients, The First Bancorp, Inc. (a $2.2 billion asset bank holding company) and ImmuCell Corporation (a Portland-based developer and producer of veterinary products for the dairy and beef cattle industries), in fulfilling their SEC disclosure and other compliance obligations, including compliance with Sarbanes Oxley and Dodd Frank, and other corporate governance matters, such as formulating board and committee policies, addressing stockholder proxy proposals, and developing and implementing shareholder rights plans and bylaw exculpation and indemnification provisions
  • Counsel to Madison Paper Industries in 2016 sale of operating assets
  • Counsel to Active Corporation in its 2017 sale of Active Captain® to Garmin International
  • Counsel to NEPW Logistics, a logistics and warehousing firm, in its 2014 equity recapitalization and its sale in 2016
  • Counsel to Tempshield in its 2018 asset sale to a strategic acquirer
  • Lead counsel to BlueTarp Financial, a provider of card and transactional data services to the building and construction supply trade, in multiple rounds of venture capital-led convertible preferred stock financings
  • Counsel to an affiliate hospital in negotiating a system-wide internal reorganization/merger (2017-2018)
  • Counsel to two independent medical practice groups in negotiating services agreements with hospital systems
Representative Experience
  • Transactional counsel to Central Maine Power Company in its joint transmission services/renewable generation bids into the 2017 Massachusetts clean energy RFP
  • Lead counsel to Madison Paper Industries in its 2017 sale to Eagle Creek of two hydroelectric generating facilities (27.8 MW)
  • Lead counsel to Verso Corporation and affiliates in their 2015 sale of 303 MW electric generating facilities in Bucksport, Maine
  • Counsel to principal owners in 2015 sale of 19.4 MW Worumbo hydroelectric facility
  • Transaction counsel to Dead River Company in its 2014 equity investment in Xpress Natural Gas LLC, a provider of LNG and related delivery services, and related commercial contracts
  • Counsel to Casella Waste Systems in landfill gas energy transactions related to the Juniper Ridge (Old Town, Maine) and North Country (Bethlehem, New Hampshire) landfills