First Internet Bancorp (INBK)

Executive Summary / Key Takeaways

• Strategic Transformation Masked by One-Time Charges: First Internet Bancorp's 2025 net loss of $35.2M was driven by a $38.2M loss on the strategic sale of $851M in single-tenant lease loans and a $55.2M increase in credit provisions to address isolated issues in SBA and franchise finance portfolios, obscuring underlying operational improvements including 30% net interest income growth and 36 basis points of NIM expansion.

• Margin Inflection Is Real and Sustainable: Management's guidance for 2026 NIM of 2.75-2.8% (up from 2.01% in 2025) is supported by tangible drivers: $1.1B in high-cost CDs maturing at 4.73% being replaced at 4.05-4.1%, off-balance sheet fintech deposits costing only 150 bps funding SBA loans at prime+1.5%, and a loan-to-deposit ratio at an all-time low providing deployment flexibility.

• Credit Issues Are Contained and Manageable: While nonperforming loans jumped 106% to $58.5M, the increase consisted almost entirely of SBA guaranteed balances and fully collateralized unguaranteed balances, with the non-guaranteed NPL ratio at just 1.2%. Management has ceased new franchise lending, enhanced SBA underwriting, and guided 2026 provisions down to $50-53M from $71.9M in 2025, signaling a cleanup phase rather than systemic deterioration.

• BaaS Platform Emerges as Hidden Asset: The fintech partnership business generated $1.3B in new deposits (tripling 2024 levels) and processed $165B in payments volume (+225%), creating a low-cost funding engine and recurring fee revenue stream that competitors cannot easily replicate, with off-balance sheet deposits providing strategic balance sheet flexibility.

• Valuation Disconnect Creates Asymmetric Risk/Reward: Trading at 0.5x book value ($41.41) and 1.63x sales with a 1.16% dividend yield, INBK trades at a significant discount to digital banking peers (Axos Financial (AX) at 1.65x book, SoFi Technologies (SOFI) at 1.92x) while maintaining strong capital ratios (CET1 8.93%) and liquidity ($1.2B in cash/securities plus $1.7B in borrowing capacity), with management explicitly committed to buybacks below 50% of book.

Setting the Scene: The Digital-First Commercial Bank

First Internet Bancorp, founded in 1999 as the first state-chartered, FDIC-insured internet bank and headquartered in Fishers, Indiana, operates a fundamentally different banking model than its branch-based peers. The company generates revenue through three primary channels: net interest income from commercial and consumer lending, noninterest income from SBA loan sales and fintech partnership fees, and treasury management services. Its strategic positioning as a digital-first commercial bank allows it to serve niche markets nationally without the overhead of physical branches, creating a structural cost advantage that translates to superior NIM potential when executed correctly.

The banking industry is undergoing a structural shift toward digital delivery, with fintech partnerships and Banking-as-a-Service (BaaS) representing the fastest-growing segments. INBK sits at the intersection of these trends, leveraging its 25-year digital banking heritage to compete against both traditional banks with legacy technology and newer fintechs lacking banking charters. The company's value chain is straightforward: it originates loans and gathers deposits through digital channels, sells the guaranteed portion of SBA loans into secondary markets, and provides payment processing and deposit services to fintech partners. This model generates multiple revenue streams while maintaining asset-light operations.

INBK's core strategy centers on commercial lending specialization combined with BaaS-driven deposit growth. Unlike consumer-focused digital banks like Ally Financial (ALLY) or SoFi, INBK targets commercial borrowers in the Midwest and Southwest, with particular expertise in SBA lending (ranked 7th nationally), public finance, and specialized verticals like healthcare and franchise finance. The BaaS platform, which processed $165B in payments volume in 2025, provides a sticky, low-cost deposit base that funds higher-yielding commercial loans. This differentiation creates a self-reinforcing ecosystem: fintech deposits fund commercial loans, while commercial relationships generate treasury management fees and cross-sell opportunities that pure consumer banks cannot replicate.

The competitive landscape reveals INBK's niche positioning. Against large digital banks like Ally Financial ($12.3B market cap, $180B assets) and Axos Financial ($4.84B market cap, $24B assets), INBK's $179M market cap and $5.6B asset base represents a fraction of the scale. However, this size differential is also a strategic advantage: INBK can move faster in niche markets and avoid competing directly on consumer deposit rates. Against fintech platforms like SoFi ($20.21B market cap) and LendingClub (LC) ($1.65B market cap), INBK's banking charter and regulatory compliance provide credibility that pure fintechs lack. The key competitive moat is the combination of a regulated bank charter with a proprietary digital platform optimized for commercial lending efficiency.

Technology, Products, and Strategic Differentiation

INBK's digital platform, firstib.com, represents a 25-year accumulation of online banking infrastructure purpose-built for commercial clients. The technology enables nationwide lending without geographic constraints while maintaining the regulatory compliance and risk management capabilities required for SBA lending and municipal finance. This allows INBK to underwrite complex commercial credits with the efficiency of a fintech but the balance sheet strength of a regulated bank, creating a structural advantage in loan origination speed and cost.

The BaaS platform has evolved from a deposit-gathering tool into a strategic revenue driver generating recurring transaction fees, program management fees, and interest income. In 2025, the platform generated over $1.1M in quarterly revenue, up 130% year-over-year, while processing $165B in payments volume. The economic impact is twofold: first, off-balance sheet fintech deposits cost approximately 150 basis points, creating a 300+ basis point spread when used to fund SBA loans priced at prime plus 1.5%. Second, the fee income diversifies revenue away from spread-based lending, reducing interest rate risk. This differentiation provides funding stability during rate cycles while generating noninterest income that traditional banks cannot replicate.

Management is investing in AI-driven solutions to standardize document collection and reduce origination times, representing a transformational advancement in risk management. The technology enables earlier identification of potential credit issues through predictive analytics, directly addressing the 2025 credit challenges in SBA and franchise portfolios. This demonstrates a proactive rather than reactive approach to credit quality, with the potential to reduce future provision expenses and improve loan yields through faster, more accurate underwriting. The investment timeline aligns with the 2026 strategic reset, suggesting benefits will materialize as enhanced underwriting standards take effect.

The company's product roadmap includes expanding real-time payments capabilities through RTP network and FedNow participation, where it served as a pilot institution. This positions INBK at the forefront of payment innovation, as evidenced by the American Banker "payments innovation of the year" award for its INCREASE partnership. The strategic implication is that payment infrastructure creates switching costs for commercial clients, embedding INBK deeper into their treasury operations and providing a defensive moat against both traditional banks and fintech disruptors.

Financial Performance & Segment Dynamics

INBK's 2025 financial results tell a story of strategic repositioning masked by one-time charges. The net loss of $35.2M versus $25.3M net income in 2024 was driven by three factors: a $38.2M pre-tax loss on the STL loan sale, a $55.2M increase in credit provisions, and a $44.6M decline in noninterest income. However, the underlying operational metrics show strength: net interest income grew 30.2% to $114M, NIM expanded 36 basis points to 2.01%, and adjusted pre-provision net revenue rose 66% in Q4 to $17.9M. The core banking engine is accelerating even as management addresses legacy portfolio issues.

The segment performance reveals a deliberate mix shift toward higher-yielding assets. Commercial and industrial lending grew 84.5% to $221.7M, while investor CRE surged 140.3% to $647.4M as construction projects stabilized. Conversely, the STL portfolio decreased 76.5% to $222.9M due to the strategic sale, and franchise finance shrank 22.3% to $417.1M after the company ceased new purchases in January 2025. This mix shift is economically significant: the STL loans were lower-yielding fixed-rate assets that consumed capital, while the growing C&I and investor CRE portfolios are priced at SOFR plus 300 basis points or higher, directly supporting NIM expansion.

Credit quality deterioration was concentrated and manageable. The $71.9M provision for credit losses in 2025 represented a 323.6% increase, driven by franchise finance ($5.3M net charge-offs in Q3) and SBA portfolio issues. Nonperforming loans rose 106% to $58.5M, but critically, this consisted almost entirely of SBA guaranteed balances and fully collateralized unguaranteed balances. The ACL coverage ratio fell to 95.1% from 157.5% because the NPL increase outpaced reserve builds, but the guaranteed portion of SBA loans limits actual loss exposure. Management's response—enhanced underwriting, vintage analysis, and a $50-53M provision guide for 2026—signals a conservative approach to cleaning up legacy issues while preventing new problems.

The BaaS segment's financial contribution is becoming material. Fintech partnership revenue grew 130% year-over-year in Q3 2025, while the platform generated $1.3B in new deposits and processed $165B in payments volume. The economic model shows that off-balance sheet deposits cost about 150 basis points, creating a 300+ basis point spread when funding SBA loans. This provides a structural funding advantage that traditional banks cannot replicate, while the fee income diversifies revenue and reduces reliance on spread-based lending. The strategic move of $700M off-balance sheet in Q3 2025 following the STL sale demonstrates active balance sheet management, keeping the loan-to-deposit ratio at an all-time low and preserving flexibility.

Capital and liquidity positions remain robust despite the 2025 loss. Total capital ratio of 12.44% and CET1 of 8.93% are well above regulatory minimums. The company holds $1.2B in cash and securities, $108.6M in loans held-for-sale, and has access to $1.7B in additional borrowing capacity. This provides multiple levers to fund the guided 15-17% loan growth for 2026 without relying on expensive brokered deposits, while the strong capital position supports the dividend and potential buybacks.

Outlook, Management Guidance, and Execution Risk

Management's 2026 guidance reveals a strategic reset prioritizing quality over quantity. The bank expects 15-17% loan growth, NIM expansion to 2.75-2.8%, and fully taxable equivalent net interest income of $155-160M, representing 36-40% growth over 2025. This is achievable because the drivers are already in motion: $1.1B of high-cost CDs will mature and reprice lower, fintech deposits provide flexible low-cost funding, and new loan originations are priced 46 basis points higher than the existing portfolio yield. The guidance implies a 10-15 basis point quarterly NIM expansion throughout 2026, with a larger impact in Q1 as the CD repricing accelerates.

The SBA business realignment demonstrates management's willingness to sacrifice short-term fee income for long-term portfolio quality. Production is guided down to $500M in 2026 from $580M in 2025, with gain-on-sale revenue falling to $19-20M from $29.4M as the bank retains more guaranteed balances. Retained SBA loans generate higher-yielding assets (prime + 1.5%) that boost NII and NIM, while the lower production volume allows for enhanced underwriting and reduced credit risk. The strategy shift addresses the root cause of 2025's credit issues and positions the segment for sustainable profitability.

Credit normalization is central to the 2026 outlook. Management guided provisions of $50-53M, down from $71.9M in 2025, with Q1 at $17-19M and Q2 at $14-16M before moderating in the second half. This trajectory assumes problem loans from late 2024 and early 2025 vintages will be resolved and replaced with higher-quality originations under enhanced standards. The guidance is credible because management has already taken concrete actions: ceased franchise lending, implemented AI-driven analytics, and promoted David Beige to strengthen SBA leadership. However, the guidance also acknowledges that there may be more pain to come as the bank works through problematic vintages, creating execution risk if credit losses exceed expectations.

Operating expense guidance of $111-112M represents controlled 17% growth, including continued investment in technology and AI. This is manageable relative to the guided NII growth of 36-40%, implying positive operating leverage. The expense growth is driven by software maintenance, fintech volume activity, and deposit insurance premiums due to portfolio composition changes. The key question is whether the technology investments will deliver the promised efficiency gains and risk management improvements to offset the higher cost base.

EPS guidance of $2.35-2.45 for 2026 implies a dramatic turnaround from the $4.03 loss per share in 2025. The midpoint of $2.40 would represent a 15x P/E on the current $20.57 stock price, or just 8.6x if the stock trades back to book value. This suggests the market is pricing in significant execution risk, creating upside asymmetry if management delivers. The tax rate guidance of 7-8.5% in H1 and 10-12% in H2 reflects the expected return to profitability and utilization of tax assets.

Risks and Asymmetries

The primary risk to the thesis is that credit issues in SBA and franchise finance prove deeper than management's vintage analysis suggests. If loans originated in late 2024 and early 2025 under previous underwriting guidelines continue to deteriorate beyond the guided $50-53M provision, the 2026 earnings recovery could be derailed. Higher charge-offs would reduce net interest income after provisions, compress ROA, and potentially require additional capital raises that dilute shareholders. This risk is mitigated by the fact that much of the SBA exposure is government-guaranteed and management has already moved $12.6M in franchise loans to nonperforming status and taken $5.3M in charge-offs, suggesting the worst may be recognized.

A second material risk is deposit beta asymmetry. While management assumes continued deposit cost improvement as CDs reprice lower, if competitive pressures force the bank to retain deposits at higher rates or if fintech partners withdraw deposits, the NIM expansion story could fail. The off-balance sheet fintech deposits ($1.1B at year-end) are particularly vulnerable because they can be moved quickly, unlike core commercial deposits. However, the all-time low loan-to-deposit ratio provides cushion, and the BaaS relationships are sticky due to integrated payment processing and real-time payment capabilities that create switching costs.

Execution risk on the technology investments represents a third challenge. The AI-driven underwriting and portfolio analytics tools require successful implementation and adoption by commercial lending teams. If the technology fails to deliver earlier risk identification or slows origination times, the bank could miss its 15-17% loan growth target while still incurring the higher operating expenses. The mitigating factor is management's track record of digital innovation and the American Banker award for payments innovation, suggesting genuine technological capability.

The competitive environment poses a longer-term risk. Larger digital banks like Axos and Ally can compete more aggressively on loan pricing due to scale advantages, while fintechs like SoFi are expanding into commercial lending. If INBK's niche positioning is eroded by better-capitalized competitors, loan yields could compress and market share could decline. The bank's moat—specialized commercial expertise combined with BaaS funding—provides some defense, but sustained competitive pressure could limit the NIM expansion potential beyond 2026.

On the upside, meaningful asymmetry exists if credit normalizes faster than expected. If the SBA and franchise portfolios stabilize in Q2 rather than H2 2026, provision expenses could fall below the $50-53M guide, creating earnings upside. Additionally, if the BaaS platform continues its triple-digit growth trajectory, fee income could exceed the $33-35M guidance, particularly if new real-time payment partnerships materialize. The off-balance sheet deposit capacity provides further optionality: bringing $500M back on balance sheet at 150 bps to fund 7-8% yielding consumer loans would generate an incremental $25-30M in net interest income annually.

Valuation Context

At $20.57 per share, First Internet Bancorp trades at 0.5x book value of $41.41 and 1.63x trailing sales of $322.9M. These multiples represent a significant discount to digital banking peers: Axos Financial trades at 1.65x book and 3.66x sales, while SoFi trades at 1.92x book and 5.59x sales. The discount reflects INBK's 2025 losses and credit challenges, but it also creates asymmetric upside if the 2026 transformation materializes.

The bank's capital structure supports the valuation thesis. With $1.2B in cash and securities, $108.6M in loans held-for-sale, and $1.7B in unused borrowing capacity, liquidity is ample. The loan-to-deposit ratio at an all-time low provides flexibility to grow without expensive funding. Regulatory capital ratios of 12.44% total capital and 8.93% CET1 are well above minimums, supporting both the $0.06 quarterly dividend (1.16% yield, 13.64% payout ratio) and potential buybacks.

Management's buyback commitment provides a valuation floor. David Becker stated clearly that if the stock price stays below 50% of book, the bank will return to a buyback situation. At 0.5x book, the stock is at that threshold, suggesting management may act. The company repurchased 27,998 shares in Q4 2025, demonstrating willingness to execute. This signals management's confidence in intrinsic value and provides downside protection for investors.

Cash flow metrics show operational strength beneath the accounting losses. Operating cash flow was $39.5M for 2025, with free cash flow of $38.3M. The price-to-operating cash flow ratio of 52x and price-to-free cash flow of 81x appear elevated, but these reflect the temporary earnings trough. If the bank achieves the guided $2.40 EPS in 2026, the P/E would compress to 8.6x, while normalized free cash flow generation would likely improve these multiples dramatically.

Conclusion

First Internet Bancorp's 2025 results represent a strategic inflection point masked by one-time charges and concentrated credit issues. The core thesis revolves around three pillars: margin expansion driven by deposit repricing and mix shift, credit normalization through enhanced underwriting and vintage runoff, and BaaS platform growth creating a durable funding and fee advantage. Trading at 0.5x book value with strong capital ratios and management's explicit buyback commitment, the stock offers asymmetric risk/reward for investors willing to look through the temporary earnings trough.

The critical variables that will determine success are credit stabilization in the SBA portfolio and NIM expansion execution. If management delivers on the $2.35-2.45 EPS guidance for 2026, the stock would trade at just 8.6x earnings, a multiple that appears unsustainably low for a digitally-transforming bank with 15-17% loan growth potential. The BaaS platform's triple-digit growth and the strategic STL loan sale's balance sheet optimization provide tangible evidence that management is building a more profitable, resilient franchise. While execution risk remains, particularly around credit normalization, the valuation discount to peers and strong capital position provide meaningful downside protection. The story is not about navigating challenges, but about emerging from them with a structurally improved earnings power that the market has yet to recognize.