8-K/A: Eastern Bankshares Completes HarborOne Acquisition

Eastern Bankshares, Inc. announced the completion of its acquisition of HarborOne Bancorp, Inc., detailing the final merger consideration proration and new board appointments.

Summary

• Eastern Bankshares, Inc. completed its acquisition of HarborOne Bancorp, Inc. on November 1, 2025, with HarborOne merging into Eastern and HarborOne Bank merging into Eastern Bank.
• HarborOne Mortgage, LLC will continue to operate as a wholly-owned subsidiary of Eastern Bank until February 2026, when it will also merge into Eastern Bank.
• HarborOne common stock holders received either 0.765 shares of Eastern common stock (Stock Consideration) or $12.00 cash per share (Cash Consideration), subject to proration.
• After proration, approximately 84.99% of HarborOne shares were converted into Stock Consideration, and 15.01% were converted into Cash Consideration.
• Eastern issued a total of approximately 26,936,260 shares of its common stock in the merger, including for settlement of HarborOne performance-based stock units and restricted stock awards.
• The Cash Consideration was funded through Eastern's cash on hand, including a $125 million dividend from Eastern Bank.
• Joseph F. Casey and Michael J. Sullivan, former executives of HarborOne, were appointed as directors to the Boards of Directors of Eastern and Eastern Bank, effective November 1, 2025.

Sentiment

Score: 7

Explanation: The filing confirms the successful completion of a significant acquisition and details the expected proration of merger consideration. It also outlines key board appointments, which are positive for governance and integration. While standard risks associated with mergers are noted, the overall tone is one of successful execution of a strategic initiative.

Positives

• The successful completion of the acquisition expands Eastern Bankshares' market presence and asset base, with Eastern Bank having approximately $25.5 billion in assets as of September 30, 2025.
• The integration of former HarborOne executives, Joseph F. Casey and Michael J. Sullivan, into Eastern's board brings valuable experience in banking, finance, corporate governance, and community relations.
• The proration of merger consideration was executed within the targeted range (75%-85% for stock, actual 84.99%), indicating a well-managed transaction process.

Risks

• Revenue or expense synergies or other expected benefits of the Merger Transaction may not materialize in the timeframe expected or at all, or may be more costly to achieve.
• After the completion of the Merger Transaction, Eastern or HarborOne may not perform as expected due to merger-related uncertainty or other factors.
• Eastern may be unable to successfully implement its integration strategies.
• Reputational risks and the reaction of the companies' customers to the Merger Transaction.
• Inability to implement onboarding or transition plans and other consequences associated with the Merger Transaction.
• Continued pressures and uncertainties within the banking industry and Eastern and HarborOne's markets, including changes in interest rates and deposit amounts and composition.
• Adverse developments in the level and direction of loan delinquencies, charge-offs, and estimates of the adequacy of the allowance for loan losses.
• Increased competitive pressures, asset and credit quality deterioration.
• Legislative, regulatory, and fiscal policy changes and related compliance costs.
• Diversion of management time on Merger Transaction-related issues.

Future Outlook

Eastern intends to continue operating HarborOne Mortgage as a wholly-owned subsidiary of Eastern Bank until February 2026, at which time HarborOne Mortgage will merge with and into Eastern Bank. The company anticipates potential revenue or expense synergies from the merger, though acknowledges these may not materialize as expected or could be more costly to achieve. Future performance is subject to successful integration strategies and broader banking industry pressures.

Management Comments

• The Boards of Directors of Eastern and Eastern Bank appointed Mr. Casey to serve as a director of Eastern and Eastern Bank because of his extensive banking, financial and accounting experience, and strong customer and community relationships within Easterns expanded market area.
• The Boards of Directors of Eastern and Eastern Bank appointed Mr. Sullivan to serve as a director of Eastern and Eastern Bank due to his recognized legal expertise in governance, corporate compliance and security, and extensive experience with ethics, policy and regulatory matters as well as his deep ties to the communities served by Eastern.

Industry Context

The completion of this acquisition by Eastern Bankshares reflects a continuing trend of consolidation within the regional banking sector, driven by the pursuit of scale, cost efficiencies, and expanded market reach. In a challenging environment marked by fluctuating interest rates and competitive pressures, such mergers aim to strengthen market position and diversify service offerings. Eastern's integration of HarborOne's mortgage operations and wealth management capabilities aligns with a broader industry focus on comprehensive financial solutions.

Management Changes

Corporate Governance

Related Party Transactions

• The Merger Transaction itself is the only transaction since January 1, 2024, in which Eastern was a participant and for which the amount involved exceeds $120,000, and in which either Mr. Casey or Mr. Sullivan had or will have a direct or indirect material interest.

Stakeholder Impact

• Shareholders of HarborOne received either stock or cash consideration for their shares, subject to proration, completing their investment in HarborOne.
• Shareholders of Eastern experienced dilution due to the issuance of approximately 26.9 million new shares but benefit from the expanded market presence and asset base of the combined entity.
• Employees of HarborOne are being integrated into Eastern Bank, with HarborOne Mortgage employees continuing until February 2026 before their merger.
• Customers of both banks may experience changes in services, branch access, or product offerings as the integration progresses, with potential for expanded options.
• Management teams are being integrated, with key former HarborOne executives joining Eastern's board, ensuring continuity and leveraging expertise.

Next Steps

• Eastern will continue to operate HarborOne Mortgage as a wholly-owned subsidiary of Eastern Bank until February 2026.
• By February 2026, HarborOne Mortgage will merge with and into Eastern Bank.
• Eastern will implement its integration strategies for the combined entities.

Key Dates

Recommendation

The filing confirms the successful completion of a significant strategic acquisition, which is generally positive for long-term growth and market positioning. However, the immediate impact includes share dilution from the issuance of approximately 26.9 million new shares. While the integration of HarborOne's assets and customer base offers potential synergies, the filing also highlights standard merger-related risks such as integration challenges, potential for synergies not materializing as expected, and broader banking industry pressures. Given the completion of the transaction and the inherent integration risks, a 'hold' recommendation is appropriate as investors await further clarity on the financial performance and successful integration of the combined entity.

Keywords

Eastern Bankshares, HarborOne, Acquisition, Merger, Banking, Financial Services, SEC Filing, EBC, Bank Merger, Stock Consideration, Cash Consideration, Proration, Board Appointments