CoastalSouth Bancshares, Inc. (COSO) intrinsic value & 10-year financials

CoastalSouth Bancshares, Inc. (COSO) has a Graham intrinsic value of $39.80 per share. At $26.65 on Oct 17, 2026, the stock trades 33% below that value. Over the last 3 fiscal years revenue grew 6.4% a year to $2.0M, with an average return on invested capital of 11.7%.

Graham intrinsic value
$39.80
Share price (Oct 17, 2026)
$26.65
Price vs Graham value
33% below
Market cap
$307.0M
Revenue (FY2025)
$2.0M
Revenue growth (3-yr CAGR)
6.4%
ROIC (10-yr avg)
11.7%
Free cash flow (FY2025)
$61.3M

COSO 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $2.0M $24.9M $2.16 $61.3M — 10.9%
FY2024 $1.9M $21.9M $2.09 -$14.1M — 12.5%
FY2023 — — — — — —

Source: annual 10-K filings on SEC EDGAR. Figures in USD.

Executive summary

CoastalSouth Bancshares, Inc. revenue growth over the past decade is N/A; insufficient history prevents a reliable 10-year CAGR calculation.

CoastalSouth Bancshares, Inc. returns on capital have been average, hovering around 11.7% ROIC over the decade.

CoastalSouth Bancshares, Inc. capital allocation metrics are N/A for the decade; share count and net debt history are incomplete.

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, CoastalSouth Bancshares, Inc. is modeled at 6.4% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $39.80 per share.

COSO stock: frequently asked questions

What is the intrinsic value of CoastalSouth Bancshares, Inc. (COSO) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a 6.4% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, COSO's intrinsic value is about $39.80 per share.

Is COSO stock undervalued?

At $26.65 (close on Oct 17, 2026), COSO trades 33% below its Graham value of $39.80. On Graham's terms that leaves a margin of safety. A formula is a starting point for research, not a recommendation.

Does CoastalSouth Bancshares, Inc. generate free cash flow?

CoastalSouth Bancshares, Inc. generated $61.3M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 1 of the last 2 reported years.

What is COSO's return on invested capital?

Average ROIC over the last 3 fiscal years was 11.7%, and average return on equity was 11.7%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this COSO data come from?

From CoastalSouth Bancshares, Inc.'s annual 10-K filings on SEC EDGAR, most recently filed May 8, 2026. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

Similar state commercial banks stocks