Thesis

RBB Bancorp (RBB, $400M market cap) has two near-term catalysts for NIM expansion in Q1-Q2 2026:

  1. Deposit repricing (LR 3.5): 40% of CDs ($680M+) mature in Q1 2026 at "high 3s" (3.7-3.9%) and will reprice to spot rate of 2.90%. This is contractual, not forecasted — a 70-100bp funding cost reduction on $1.7B total CDs (99.5% maturing within 12 months).

  2. NPL resolution (LR 3.0): 90% of NPLs concentrated in 4 relationships, 3 of 4 making payments per workout agreements. Management expects resolution in H1 2026, returning $50M+ nonearning assets to earning status at 6-7% yields ($3M+ annual NII improvement).

Valuation

Trading at 0.78x tangible book ($20.74 vs $26.42 TBV), forward P/E 8.9x. Analyst consensus is NEUTRAL with $22-23 targets (+6% upside). If NIM expansion drives EPS beats in 2026, consensus may be underpricing.

Key Question

Does street's 2026 NIM guidance reflect RBB's CD maturity schedule? If analysts are missing the 40% Q1 concentration, that's the alpha. The CD repricing is mechanical and front-loaded vs peers.

Supporting Data

  • Loan growth: +8.6% FY2025, originations +32% YoY, new loans yielding 31bps above portfolio (6.7% vs 6.66%)
  • Capital return: $25M returned in 2025 (dividends + 4% buyback) while growing TBV +7.8%
  • NPL progress: Down 45% in 2025, concentrated in 4 relationships with workout visibility

Risks

  • Small cap liquidity ($400M market cap)
  • Concentrated NPLs (90% in 4 relationships) — resolution could disappoint
  • Loan-to-deposit ratio at 99% limits growth
  • "Intense" deposit competition per management

Cross-Sector Context

Regional banks sector-wide have deposit repricing tailwinds (INBK, BWB, BOH, WSBC). RBB's differentiation is the 40% Q1 maturity concentration creating front-loaded NIM expansion.

Evidence IDs

  • ev-90gkc0: Deposit repricing mechanics (LR 3.5)
  • ev-xjr3ig: NPL resolution timeline (LR 3.0)
  • ev-zeryx9: Loan growth momentum (LR 2.0)
  • ev-ttvo6z: Valuation and capital return (LR 1.8)
  • ev-pacagp: Loan-to-deposit constraint (LR 1.5)
  • ev-49v8g9: Operating expense guidance (LR 1.5)