Events

Horizon Beverage Group, Inc. Acquired by the World’s Preeminent Distributor of Beverage Alcohol

Sullivan represented Horizon Beverage Group Inc., one of New England’s premier alcohol distributors, in its sale to Southern Glazer’s Wine & Spirits, the world’s preeminent distributor of beverage alcohol. The acquisition marks an exciting expansion for Southern Glazer’s, adding Massachusetts and Rhode Island as the 46th and 47th markets in its U.S. footprint, alongside operations in Canada and the Caribbean.

“We are grateful to Horizon’s employees, customers, and partners for so many years of success, and this transition represents an even brighter future for all,” said Bob Epstein, CEO/President at Horizon. “We’re confident that Southern Glazer’s strength and scale will not only support a smooth integration, but also create new opportunities for growth and success.”

“We’re committed to maintaining the exceptional service that Horizon is known for while bringing the added benefits of being part of the Southern Glazer’s family,” added Jim Rubenstein, CEO/Treasurer at Horizon. “This partnership ensures stability and growth for all stakeholders and strengthens our ability to deliver value across the board.”

Lewis N. Segall, Charles E. Chambers Jr., Ida J. Vanto, Sharon G. Leifer, Steven M. Cunningham, Jr. and Christopher C. Curtis

Wonder Media Network (WMN) Acquired by the World's Largest Independent Podcast Company

Sullivan represented Wonder Media Network (WMN), a female-founded, audio-first creative studio based in New York City, in its sale to Acast, the world’s largest independent podcast company. "WMN’s mission is so tightly aligned with that of Acast - bringing important and changemaking stories to the world," said WMN CEO Jenny Kaplan. "Together, we will allow both creators and advertisers to reach new audiences, build successful businesses, and shape the future of audio."

Lewis N. Segall, Joel R. Carpenter, Amy E. Sheridan, Erika L. Todd, Johanna Colpritt and Nathan Kosik-Desmond

One of the Largest Global REITs and Its Subsidiary Form a New Joint Venture

Our marquee REIT and Tax teams advised American Tower Corporation (NYSE: AMT), one of the largest global REITs, and its subsidiary CoreSite in the formation of a new joint venture with Stonepeak, a leading alternative investment firm specializing in infrastructure and real property assets, to develop, build and operate an 18-megawatt data center in Denver, Colorado. CoreSite provides IT infrastructure that empowers enterprises and cloud, network and IT service providers to monetize and future-proof their digital businesses. The total estimated development costs for the 18-megawatt data center are expected to be more than $250 million.

Sullivan’s team was led by Ameek Ashok Ponda, director of the Tax Department, with Sullivan Tax partners Joel Carpenter and Sarah Wellings, and associate Connie Lee, contributing to the successful deal.

Ameek Ashok Ponda, Joel R. Carpenter, Sarah D. Wellings and Connie Lee

Nonprofit Network Drives Skills-First Movement for a More Equitable and Inclusive Future Workforce

Sullivan acts as outside general counsel for Skillsright, Inc., a nonprofit coalition of the country’s top employers and their CEOs with a mission of driving a skills-first movement to unlock career opportunities for talent without four-year degrees, for a more equitable and inclusive future workforce. Sullivan handles a wide range of matters including obtaining the organization’s nonprofit (Internal Revenue Code Section 501(c)(3)) status, advising on a variety of legal issues associated with the organization’s work, negotiating intellectual property rights, drafting employment offers and dealing with related employment and benefits issues, overseeing all contracting issues and advising on corporate governance.

Kimberly Herman, David A. Guadagnoli, Judith G.H. Edington, Erika L. Todd and Michael S. Palmisciano

Admiral Metals Acquired by Reliance Steel & Aluminum Co., Largest Metals Service Center Company in North America

Sullivan represented Admiral Metals who was acquired by Reliance Steel & Aluminium Co. (NYSE: RS). “Admiral Metals has built a strong reputation in the metals industry for providing specialty products, high levels of customer service and next-day delivery,” commented Jim Hoffman, Chief Executive Officer of Reliance. “We believe this acquisition will enable Admiral Metals to leverage Reliance’s scale in order to capitalize on further growth opportunities while maintaining its strong brand recognition. We are excited to welcome Admiral Metals to the Reliance Family of Companies, our 70th acquisition since our 1994 IPO.”

Lewis N. Segall, Victor N. Baltera and Sharon G. Leifer

Masy BioServices Acquired by a Leading Pharmaceutical and Biotech Contract Development and Manufacturing Organization

Sullivan represented Masy Systems Inc. ("Masy" or "Masy BioServices"), a preferred provider of cGMP Biostorage and pharma support services, in the sale of its Masy to Alcami Corporation, a leading pharmaceutical and biotech contract development and manufacturing organization (CDMO).

Lewis N. Segall and Steven M. Cunningham, Jr.

Scientist holding DNA gel in front of samples for testing in laboratory

Sullivan Shares Cross-Border Deal of the Year Award With Two Clients at M&A Advisor Awards

In November 2021, Sullivan together with its clients Merger & Acquisition Services, Inc., and International Transportation Marine Office, LLC (ITMA) received the Cross-Border Deal of the Year ($50 to $100 million) Award, at the 20th Annual M&A Advisor Awards in New York City. The award was given for the sale of ITMA to MS Amlin Underwriting Limited, a UK company. Don Kaitz retained his role as chairman of Arizona-headquartered ITMA, and the business continued to be led by Eric Kaitz, Chief Executive Officer. Earlier in 2021, Douglas Stransky and Michael Student, along with Merger & Acquisition Services Inc., advised ITMA and the Kaitzes.

Partner and head of Sullivan's International Tax Group, Douglas Stransky, commented, "We are thrilled to receive this honor and be together in-person with our clients and friends, Merger & Acquisition Services, Inc. and Don and Eric Kaitz, and proud to have collaborated with them on this sale."

Douglas S. Stransky and Michael J. Student

Page 1 of 3

Tax

Events

Horizon Beverage Group, Inc. Acquired by the World’s Preeminent Distributor of Beverage Alcohol

Wonder Media Network (WMN) Acquired by the World's Largest Independent Podcast Company

One of the Largest Global REITs and Its Subsidiary Form a New Joint Venture

Nonprofit Network Drives Skills-First Movement for a More Equitable and Inclusive Future Workforce

Admiral Metals Acquired by Reliance Steel & Aluminum Co., Largest Metals Service Center Company in North America

Masy BioServices Acquired by a Leading Pharmaceutical and Biotech Contract Development and Manufacturing Organization

Sullivan Shares Cross-Border Deal of the Year Award With Two Clients at M&A Advisor Awards

Events

Impact of 21st Century ROAD to Housing Act on Institutional Investor Ownership of Single-Family Rental Homes

International M&A and Joint Ventures: Key U.S. Taxation Issues

Selected REIT Tax Issues in Constructing a Data Center

Sullivan & Worcester Partner Sees TRS Structure as Simpler, More Flexible Alternative for REITs

When Parents Get Involved: Ethical Risks in Estate Planning and Divorce Prep

Winter 2026 Benefits Updates

Taxes and Personhood: States’ Evolving Definitions of Person

AI Might Render Income Taxation Untenable

The Case for Competitiveness: A Menu of Pro-Growth Changes to Massachusetts Business Tax Policy

The O3BA -- Mixed Incentives for Charities and Their Donors

Back to the Future for Taxation

"One Big Beautiful Bill Act" Enshrines Opportunity Zone Provisions

Final REIT-Related Provisions in the “One Big Beautiful Bill Act”

Senate Finance Changes to REIT-Related Provisions in the “One Big Beautiful Bill Act”

Sullivan & Worcester Submits Comments to IRS Urging Caution in Applying Cloud Transaction Framework to REIT Rules

Remediation of M&A REIT Targets

How REITs are Impacted by the “One Big Beautiful Bill Act”

Why the First U.S. Pope Should Expatriate Immediately

Final Section 367(d) Regulations Show No Significant Changes

How I Made Partner: 'Prioritize What Is Important to You, Do What Energizes You,' Says Sarah Wellings of Sullivan & Worcester

Remediation of M&A REIT Targets

Final Digital Asset Reporting Regulations Alleviate Brokers’ Obligations

Texas Court Blocks Federal Non-Compete Ban, Setting Up Appellate Challenge

Uncertainty Heightened as Two District Courts Reach Conflicting Conclusions on FTC Non-Compete Ban’s Enforceability

Corporate Tax Laws and Regulations 2024 – USA

Real Estate Investment Trusts 2024 - USA

New Proposed Section 987 Regulations Need an 'Angel List' Election

FTC Issues Final Rule Banning Non-Competes

Ameek Ashok Ponda Submits Comments to IRS to Address Favorably REITs Deploying Renewable Energy Infrastructure at their Properties

Enabling REITs to Deploy Renewable Energy: Toward a Workable Legal Standard

Events

Douglas Stransky Publishes Treatise on Cross-Border Mergers, Acquisitions & Joint Ventures

Sullivan & Worcester Attorneys Named to the 2026 Lawdragon 500 Leading Global Tax Lawyers Guide

Sullivan & Worcester Ranked in the Legal 500 United States 2026 Edition

Sullivan & Worcester Ranked in Chambers USA 2026 Edition

David Nagle Featured in Massachusetts Lawyers Weekly’s Managing Partners Spotlight

Timing Wrinkle Could Muddle Foreign Currency Tax Rules

Media Coverage – Suffolk Superior Court Allows City of Boston Commercial Property Class Action to Proceed

Sullivan Attorneys Obtain Superior Court Win in Class-Action Tax Case

Sullivan Advises Somatix in Merger with Vitalist

Judge Weighs Lawsuit Over Boston Property Tax Assessments

Suffolk Superior judge weighs allegations that Boston is inflating commercial property taxes: 'Chills'

American College of Tax Counsel Files Amicus Brief with U.S. Court of Appeals for the Second Circuit

Richard Jones Named a “Go To Lawyer” by Massachusetts Lawyers Weekly

Sullivan Attorneys Selected to 2026 Massachusetts Super Lawyers and Rising Stars Lists

Sullivan Advises Boston Green in Recapitalization with Fort Point Capital

American College of Tax Counsel Files Murrin Amicus Brief with U.S. Supreme Court

Experts Discuss Evolving Nexus Standard for State Tax Jurisdiction

Sullivan Advises Nineteen Group on Acquisition of The Lead

Sullivan Advises Sounds Profitable on Merger with Podcast Movement

Ameek Ashok Ponda Elected President of the American College of Tax Counsel

The State of Use Tax Apportionment After Ellingson Drainage

Top International Tax Cases To Watch In 2026

Top Federal Tax Policies Of 2025

148 State Street Owner Sues City of Boston for Retaliatory Property Tax Assessments

Media Coverage - City of Boston Commercial Property Class Action

They Found Relatives on 23andMe—and Asked for a Cut of the Inheritance

Sullivan & Worcester Attorneys Named to 2025 Top Lawyers List by Boston Magazine

Sullivan & Worcester Recognized in ITR's World Tax Guide 2026

Sullivan & Worcester Achieves National and Regional Rankings in 2026 Best Law Firms® Listings

Sullivan Attorneys Selected to 2025 Massachusetts Super Lawyers and Rising Stars Lists

Past Events

Events

Part 2: The Impact of Massachusetts Court Cases on State and Local Tax Policies

John Graham Submits Comments to IRS on Proposed Regulations Under Section 4966

Part 1: The Impact of Massachusetts Court Cases on State and Local Tax Policies

Massachusetts And Maine Receive Hurricane Related Tax Relief

Treasury and IRS Issue Proposed Regulations for Tax Reporting Requirements on Digital Asset Transactions

HHS Recommends Major Shift in the Legal Treatment of Cannabis