SECURITIES
Guillaume prepares SEC filings and advises on SEC rules for companies, public and private, in a variety of industries, geographic markets, and sizes. His recent experience includes advising:
- A manufacturing and distribution company of brachytherapy treatments for cancer and other malignant diseases.
- A company engaged in the production, distribution, and marketing of movies.
- A company engaged in the acquisition of commercial real estate.
M&A
Guillaume advises on private and public M&A transactions, including for investors, startups, and multi-million-dollar companies. His recent experience includes advising:
- RideNow Powersports in its $575 million hybrid equity purchase and merger transaction with RumbleOn, Inc.
- AZPetVet in its $370 million asset sale to the Aspen Group.
- A private company in its $125 million asset sale in the asset-light transportation and logistics industry.
- Perspective Therapeutics, Inc. (formerly Isoray, Inc.) in its merger with Viewpoint Molecular Targeting, Inc. and several public and private equity financing totaling over $100 million.
- A private company providing actuarial capitation rate development and methodology development services for Medicaid managed care programs in its equity sale to a private equity group.
- A private healthcare marketing company with a database of over 1.2 million physicians and 6,000 hospitals in its stock sale.
- A client in the education industry in its $1 billion debt restructuring.
- A graphite production and treatment business in its private placements for capital raises through sales of equity or convertible debt instruments.
Originally from Paris, France, Guillaume moved to Phoenix, Arizona to pursue his MBA in Advanced Financial Strategies and M&A from Grand Canyon University.
ASSOCIATIONS & MEMBERSHIPS
- French American Chamber of Commerce Rocky Mountain Chapter, Arizona Advisory Committee Member
HONORS & AWARDS
- Best Lawyers in America® Ones To Watch, Business Organizations (including LLCs and Partnerships), 2024-2025
News
- Best Lawyers in America® 2025 Recognizes 51 Gallagher & Kennedy Attorneys - August 15, 2024
- Guillaume Aimé Appointed to the Arizona Advisory Committee of the French American Chamber of Commerce - June 19, 2024
- Best Lawyers in America® 2024 Recognizes 52 Gallagher & Kennedy Attorneys - August 21, 2023
- AZPetVet Acquired by The Aspen Group (TAG) - August 16, 2022
- RideNow and RumbleOn Merge Under the RideNow Brand - August 31, 2021
- G&K Represents IsoRay, Inc. in $8,250,000 Registered Direct Offering - July 12, 2018
Publications
- Considerations for business owners: How planning your exit can help you organize and grow your business - June 1, 2024
- SEC Broadens Whistleblower Protections: What Every Employer Should Know - April 1, 2024
- Compliance with The Corporate Transparency Act - December 1, 2023
- The Corporate Transparency Act: How to Prepare Your Business for the New Reporting Requirements - October 1, 2023
- Navigating the Troubled Waters of the Public Forum: The Public Trust Doctrine as a Life Jacket, 50 ARIZ. ST. L.J. 335 (2018)
LANGUAGES
French
OTHER
CLERKSHIP
- Judicial Clerkship, Honorable Steven P. Logan, U.S. District Court
- Experience included drafting orders for several securities litigation cases.