8-K: FirstSun & First Foundation Merge to Create $17B Southwest Bank

FirstSun Capital Bancorp and First Foundation Inc. announced an all-stock merger, creating a premier $17 billion bank with a significant presence in key U.S. growth markets and projected 30%+ EPS accretion.

Summary

• FirstSun Capital Bancorp (FSUN) and First Foundation Inc. (FFWM) have entered into a definitive Agreement and Plan of Merger, unanimously approved by both boards.
• First Foundation will merge with and into FirstSun, with FirstSun continuing as the surviving corporation.
• Immediately following the merger, First Foundation Bank will merge with and into Sunflower Bank, N.A., with Sunflower Bank as the surviving bank.
• The combined holding company and bank will operate under the FirstSun and Sunflower Bank names and brands, respectively.
• Each outstanding share of First Foundation common stock (and convertible preferred) will be converted into the right to receive 0.16083 shares of FirstSun common stock, plus cash in lieu of fractional shares.
• First Foundation's warrant holders will exercise their warrants early, receive FirstSun common stock, and also receive additional cash consideration totaling $17.5 million in the aggregate.
• The aggregate transaction value, inclusive of the cash consideration to warrant holders, is estimated at $785 million, based on FirstSun's closing stock price of $40.44 on October 24, 2025.
• FirstSun stockholders will own 59.5% and First Foundation stockholders will own 40.5% of the combined company following the merger.
• A significant balance sheet re-positioning plan of approximately $3.4 billion in non-core assets and high-cost funding is expected to be completed concurrent with closing.
• The combined entity is projected to achieve approximately $17 billion in total assets and $6.8 billion in Assets Under Management (AUM).
• The parties anticipate the merger will close in the second quarter of 2026, subject to requisite regulatory and stockholder approvals.

Sentiment

Score: 8

Explanation: The merger is presented with compelling financial benefits, including significant EPS accretion and strong pro forma profitability metrics that are expected to be top-tier. The strategic rationale for expanding into high-growth markets like Southern California and the detailed plan for balance sheet re-positioning to reduce risk and unlock value are highly positive. While there is initial tangible book value dilution, the earn-back period is manageable, and the overall outlook for the combined entity is robust.

Positives

• Projected 30%+ accretion to FirstSun's 2027 estimated EPS on a fully phased-in basis.
• Expected mid-to-high single-digit percentage fully phased-in cash EPS accretion.
• Anticipated 7% tangible book value (TBV) accretion on a cash basis.
• Projected Internal Rate of Return (IRR) of 20%+ and Return on Invested Capital (ROIC) of 12%+.
• Pro forma combined company is expected to achieve top-tier performance metrics by 2027, including a Return on Average Assets (ROAA) of ~1.45% and a Return on Average Tangible Common Equity (ROATCE) of ~13.3%.
• The combined entity is expected to have a Fee Income to Total Revenue ratio of ~20%, indicating a high level of diverse fee income.
• The merger creates a premier $17 billion bank with a powerful footprint across some of the most dynamic growth markets in the U.S., particularly the Southwest and Southern California.
• Significantly accelerates FirstSun's existing de novo expansion strategy in the highly attractive Southern California marketplace, adding 18 branch locations.
• A material balance sheet re-positioning plan of approximately $3.4 billion will unlock First Foundation's core franchise, dramatically reducing its risk profile.
• The transaction will migrate First Foundation's franchise to FirstSun's higher profitability business model and mix.
• FirstSun has a demonstrated M&A integration playbook, including successful down-sizing of CRE concentration in acquired banks.
• The combined entity will have robust and complementary fee income streams, leveraging FirstSun's commercial treasury management and mortgage expertise, and First Foundation's wealth/trust and multi-family lending platforms.
• Opportunity to scale First Foundation branches to market averages and grow core deposits using FirstSun's playbook.
• First Foundation Advisors (FFA) is a sizable and profitable wealth management platform with significant cross-selling potential within the combined customer base.
• The multi-family lending portfolio has a well-established track record with expertise in granular, workforce housing, and pristine credit quality.
• The pro forma wholesale funding ratio is targeted to be less than 10%, and the loan-to-deposit ratio less than 90%, indicating improved liquidity and funding quality.
• The pro forma Regulatory CRE concentration at close is 238%, which is manageable and expected to improve over time.
• The combined company is projected to generate significant annual CET1 capital, approximately 165bps.
• A deferred tax asset (DTA) valuation allowance of $84.7 million is expected to be reversed via purchase accounting.

Negatives

• Initial tangible book value (TBV) dilution of (14%) on a GAAP basis.
• A TBV earn-back period of 3.3 years using the crossover method.
• Estimated pre-tax merger and integration costs of $95.2 million.
• An estimated annual pre-tax cost of $5.0 million for the pro forma hedging strategy through 2028.
• The possibility of dilution to existing stockholders resulting from the issuance of additional shares in connection with the proposed transaction.
• The unhedged pro forma Net Interest Income (NII) sensitivity shifts from more asset sensitive to more liability sensitive.

Risks

• Failure to obtain necessary regulatory approvals when expected or at all, or the imposition of conditions that could adversely affect the combined company or expected benefits.
• Failure of First Foundation or FirstSun to obtain the required stockholder approval, or failure to satisfy other closing conditions on a timely basis or at all.
• Occurrence of any event, change, or other circumstances that could give rise to the right of one or both parties to terminate the merger agreement.
• The possibility that the proposed transaction, including the re-positioning strategy, will not be completed as planned, or that anticipated benefits will not be realized.
• Changes in global financial markets and economies and general market conditions, such as interest rates, foreign exchange rates, or stock, commodity, credit or asset valuations or volatility.
• Diversion of management's attention from ongoing business operations and opportunities.
• Potential adverse reactions or changes to business or employee relationships resulting from the announcement or completion of the proposed transaction.
• The outcome of any legal proceedings that may be instituted against FirstSun or First Foundation.
• The risk that cost savings and synergies expected from the proposed transaction may not be realized or may take longer than anticipated.
• The risk that integration of FirstSun's and First Foundation's respective businesses may be materially delayed or more costly or difficult than expected.
• Changes to tax legislation and their potential effects on the accounting for the merger.
• The possibility of dilution to existing stockholders resulting from the issuance of additional shares in connection with the proposed transaction.
• The possibility that the combined company may be subject to additional regulatory requirements as a result of the merger or expansion of its business operations.
• Other factors that may affect future results, including changes in asset quality and credit risk, inability to sustain revenue and earnings growth, changes in interest rates and capital markets, inflation, customer borrowing, repayment, investment and deposit practices, technological changes, capital management activities, and actions of the Federal Reserve Board and legislative and regulatory actions and reforms.

Future Outlook

The combined company expects to achieve top-tier pro forma profitability margins, including a 1.45% ROAA and 13.3% ROATCE by 2027, with 30%+ EPS accretion for FirstSun stockholders. A significant balance sheet re-positioning of $3.4 billion in non-core assets and high-cost funding is planned to unlock First Foundation's core franchise and reduce risk, enabling the combined entity to execute FirstSun's organic growth playbook immediately post-closing. The company also intends to implement a post-close hedging strategy to mitigate pro forma NII sensitivity.

Management Comments

• Mollie Hale Carter, Executive Chairman of FirstSun, stated: "This merger represents an exciting opportunity to strengthen our platform for long-term, sustainable growth, expand our earnings power, and drive greater value for our stockholders."
• Mollie Hale Carter also noted: "Both organizations have a strong presence in large, vibrant markets, including the highly attractive Southern California region, which remains a key focus for our ongoing growth strategy."
• Mollie Hale Carter further commented: "Together, FirstSun and First Foundation will form a premier regional bank with a powerful footprint across some of the most dynamic markets in the country."
• Tom Shafer, CEO of First Foundation, remarked: "This combination allows us to leverage FirstSun's proven deposit and C&I-focused growth strategy at a larger scale. We're enthusiastic about the opportunities this merger unlocks to enhance performance and deepen our specialty business capabilities."
• Tom Shafer added: "We believe this combination fits well with the company's strategic objectives to enhance value for clients, employees, and stockholders over time."
• Tom Shafer also stated: "Joining forces with FirstSun marks an exciting new chapter for First Foundation. This merger strengthens our ability to deliver exceptional financial services and expands our reach across key markets."
• Tom Shafer highlighted: "We are particularly excited to accelerate the business plan of First Foundation Advisors, our private wealth management platform, with respect to further growing lending and deposits within the existing customer base as well as providing more firepower to grow that business throughout the combined organization's expansive footprint."

Industry Context

The merger creates a powerful and differentiated banking franchise positioned in some of the best growth markets in the U.S., specifically the Southwest and Southern California. Southern California is identified as a highly attractive market, ranking as the 17th largest economy globally and the #2 region by total GDP, with substantial middle-market business opportunities and a scarcity of high-quality mid-size commercial banks. This transaction accelerates FirstSun's existing expansion strategy in this region, aligning with broader industry trends of consolidation and strategic geographic focus to capture growth in dynamic economic areas.

Comparison to Industry Standards

• The pro forma 2027E Return on Average Tangible Common Equity (ROATCE) of 13.3% is above the $13-$30 billion nationwide peer median of 12.7% and aligns closely with the top quartile of 13.5%.
• The pro forma 2027E Return on Average Assets (ROAA) of 1.45% significantly exceeds the $13-$30 billion nationwide peer median of 1.09% and the top quartile of 1.25%.
• The pro forma 2027E Net Interest Margin (NIM) of 3.99% is substantially higher than the $13-$30 billion nationwide peer median of 3.38% and the top quartile of 3.75%.
• The pro forma 2027E Fee Income / Revenue of 20.4% is above the $13-$30 billion nationwide peer median of 17.8% and the top quartile of 18.2%.
• The pro forma Loans / Deposits ratio of 85% is in line with the $13-$30 billion nationwide peer median of 86% and close to the top quartile of 83%.
• The pro forma Common Equity Tier 1 (CET1) ratio of 10.5% is below the $13-$30 billion nationwide peer median of 12.6% and the top quartile of 13.5%, indicating a need for capital generation post-merger.
• FirstSun's historical per-share compounding CAGRs for revenue, EPS, and TBV have been described as 'best-in-class' compared to $1-$10 billion sized banks in 2018, demonstrating a proven playbook for growth and value creation.

Management Changes

Corporate Governance

Legal Proceedings

• The filing identifies 'the outcome of any legal proceedings that may be instituted against FirstSun or First Foundation' as a potential risk factor for the proposed transaction, but does not detail any specific ongoing or new legal proceedings.

Related Party Transactions

• The filing refers to information regarding 'Certain Relationships and Related Party Transactions' in FirstSun's and First Foundation's definitive proxy statements for their 2025 annual meetings, but does not disclose any new or specific related party dealings directly related to the merger agreement itself.

Stakeholder Impact

• **Shareholders (FirstSun)**: Expected to benefit from significant EPS accretion (30%+ by 2027), enhanced market presence in high-growth regions, and a stronger, more diversified financial institution. There will be an initial tangible book value dilution of 14% with a 3.3-year earn-back period.
• **Shareholders (First Foundation)**: Will receive 0.16083 shares of FirstSun common stock for each share owned, becoming shareholders of the larger, combined entity.
• **Employees**: First Foundation team members are welcomed to the FirstSun and Sunflower Bank family. The integration process will involve operational changes, but the merger aims to strengthen the overall platform.
• **Customers**: Expected to benefit from expanded financial services, a broader geographic reach, and enhanced specialty business capabilities, particularly in wealth management and commercial banking.
• **Warrant Holders (First Foundation)**: Will exercise their warrants early, receive FirstSun common stock, and an additional $17.5 million in cash consideration.

Next Steps

• Obtain requisite regulatory approvals from relevant authorities.
• Obtain required stockholder approvals from both FirstSun and First Foundation.
• FirstSun will file a registration statement on Form S-4 with the SEC to register shares for First Foundation stockholders.
• A joint proxy statement/prospectus will be prepared and sent to stockholders of FirstSun and First Foundation.
• Complete the approximately $3.4 billion balance sheet re-positioning plan concurrent with the merger closing.
• Implement a post-close hedging strategy to mitigate pro forma Net Interest Income (NII) sensitivity.
• FirstSun and First Foundation will conduct a joint conference call on October 28, 2025, to discuss the proposed merger.

Key Dates

Recommendation

The merger presents a highly compelling strategic and financial opportunity. The projected 30%+ EPS accretion for FirstSun by 2027, coupled with top-tier ROAA and ROATCE metrics, indicates significant value creation. The strategic expansion into high-growth markets like Southern California, combined with a clear and aggressive balance sheet re-positioning plan to reduce risk and optimize the business mix, positions the combined entity for sustained organic growth. While there is an initial tangible book value dilution, the 3.3-year earn-back period is acceptable given the substantial earnings upside and the proven M&A integration playbook of FirstSun. The strong insider ownership and alignment of management further bolster confidence in the execution of this transformative transaction, setting the stage for superior long-term performance.

Keywords

FirstSun Capital Bancorp, First Foundation Inc., Merger, Acquisition, Banking, Financial Services, Southwest, Southern California, SEC Filing, Form 8-K, Bank Merger, Financial Performance, EPS Accretion, Balance Sheet Re-positioning, Wealth Management, Commercial Banking, Regional Bank, FSUN, FFWM