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Research & education only — not financial advice.TENK is not a registered investment adviser; calls are impersonal, generated from SEC filings and a delayed/third-party price feed, and may be wrong or out of date. The operator and an affiliated trading operation may hold or trade the securities TENK rates — see Disclosures. Do your own research.

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Home›Stocks›GSBC
GSBC logo

GSBC

GREAT SOUTHERN BANCORP, INC.

Next earnings Jul 15, 2026 · consensus $1.39 EPS, $49.3M rev

Last earnings -1.0% on 2026-04-16

Buy
$78.83
▲ +0.70%
$78.83▲ +36.55%
over 1Y
L $54.84H $79.05
Earnings Dividend Split Congress buy Congress sellGrouped by date · hover a pin to expand
Today+0.7%
1W+2.5%
1M+8.2%
3M+23.0%
YTD+29.5%
1Y+36.6%
OverviewFinancialsValuationQualityTimelineFilings
Rating
Buy
Quality
B+
Valuation
Undervalued
Filings
Clean
Buy
Conviction
Horizon
Long (>12mo)
12-mo target
$•••
Street · 7 analysts
Sell

Cheap, well-capitalized community bank with expanding NIM, pristine credit, and aggressive buybacks at 1.34x book — a quiet compounder.

Diluted EPS $6.19 · FY2025

The read

Quality fundamentals and an attractive price line up (~141% below fair value) — the rarer case where both the business and the entry look good.

GSBC is a textbook conservative community bank trading at a discount to its underlying quality. FY2025 net income rebounded 14.8% to $71.0M and diluted EPS jumped 17.7% to $6.19 — a sharper EPS gain than net income because share count fell 5.5% as the company paid $44.5M in buybacks (nearly triple the prior year). At $77.23 the stock trades at just 12.5x earnings and roughly 1.34x the disclosed $57.50 book value per share, which is undemanding for a bank earning an 11.38% return on average equity with a 61.9% efficiency ratio.

The MD&A reveals the operating engine is actually accelerating, not just buyback-engineered. Net interest income rose to $200.2M from $189.1M as net interest margin expanded to 3.67% from 3.42% and the average interest rate spread widened to 3.10% from 2.76% — the franchise is repricing assets faster than deposit costs, with interest expense on deposits actually falling to $94.1M from $109.7M. Asset quality is exceptional: non-performing assets are just 0.18% of loans, allowance covers non-performing loans 30x over, and net charge-offs were effectively zero. The 6.4% asset shrinkage reflects deliberate balance-sheet management (loans receivable down to $4.36B, borrowings cut from $679M to $405M), not stress.

Is GSBC a buy? The one-page verdict, explained →

The options angle

model · matches our verdict
Bull call spread (wide)~90d expiry
  • Long call 79 @ ~3.59 est
  • Short call 91 @ ~0.41 est
debit $318max +$882max −$318BE 82.18

High-conviction BUY: a wider spread keeps more of the upside while the short call still cuts cost and decay.

Open in the calculator →

Educational template, not a trade recommendation. Strikes and premiums are Black-Scholes model estimates from the last close and 30-day realized volatility — real chains, spreads and IV will differ. Options involve substantial risk.

Financials · annual, by fiscal year

Line itemFY21FY22FY23FY24FY25
Revenue—————
Gross profit—————
Operating income—————
Net income$74.6M$75.9M$67.8M$61.8M$71.0M
Diluted EPS$5.46$6.02$5.61$5.26$6.19
Net margin—————

10-year statements — income, cash flow, balance sheet & CSV export →

Annual figures from SEC 10-K XBRL filings. Open the filing links below for full statement detail.

Key statistics

Valuation

Enterprise value—
EV / EBITDA—
EV / Sales—
EV / FCF—
P / FCF12.3
PEG (trailing)0.86
Earnings yield8.3%
FCF yield8.2%

Quality & risk

ROIC (est.)—
Free cash flow$70.1M
Total debt$228M
Net cash-$38.6M

Capital returns

Buyback yield5.2%
Dividend yield (est.)2.2%
Shareholder yield7.4%
Shares Δ YoY-5.5%

Computed from SEC XBRL annual figures + the current quote. EV and ROIC use long-term + current debt where filed; estimates, not investment advice.

Disclosure timeline

SEC · 8-Ks + reports
Recent disclosure tone has been improving.
  1. 8-K Other event2026-06-17

    Other-events disclosure with exhibit; likely quarterly dividend declaration

  2. 8-K Officer / director change2026-05-15

    Annual meeting voting results and director/officer election outcomes

  3. 10-Q Quarterly report2026-05-07

    Q1 2026 10-Q detailing balance sheet shrinkage offset by margin gains

  4. 8-K Earnings results2026-04-16

    Q1 2026 earnings release; continuing the FY25 NIM expansion trend

  5. DEF 14A Proxy statement2026-03-31

    Proxy: director slate, exec comp, auditor ratification — routine governance

  6. 8-K Other event2026-03-18

    Other-events disclosure with exhibit; likely routine dividend or buyback notice

  7. 10-K Annual report2026-03-06

    FY25 10-K: NI $71M (+14.8%), NIM 3.67%, NPAs 0.18%, book value $57.50

  8. 8-K Other event2026-02-17

    Other-events disclosure with exhibit; likely cash dividend declaration

  9. 8-K Earnings results2026-01-22

    Q4/FY25 earnings: EPS $6.19 (+17.7%), NIM 3.67%, buybacks tripled

Recent filings

all on EDGAR ↗
8-KPeriod ending 2026-06-172026-06-17open ↗S-8Filing2026-06-12open ↗4Period ending 2026-05-262026-05-26open ↗144Filing2026-05-26open ↗4Period ending 2026-04-142026-05-20open ↗4Period ending 2026-05-182026-05-19open ↗144Filing2026-05-18open ↗8-KPeriod ending 2026-05-132026-05-15open ↗4Period ending 2026-04-142026-05-14open ↗4Period ending 2026-04-142026-05-14open ↗4Period ending 2026-04-142026-05-14open ↗4Period ending 2026-04-142026-05-14open ↗

Quality score

B+
ValueGrowthProfitHealthMom.
ValueA
GrowthA-
ProfitabilityB-
Financial healthA-
MomentumA
  • ✓Profitable (positive net income)
  • ✗Return on equity above 15%
  • ✓P/E below 25

Fair value est.

$190.31

Undervalued +141% vs price

cheapfair valueexpensive

Modified Graham: EPS $6.19 × (8.5 + 1.5 × 14.8% growth) × 1.00 quality = 30.7× multiple. An estimate, not a price target.

54.5452-week81.16
Revenue
—
Net margin
—
ROE
11.2%
P/E
12.7

SEC fundamentals · FY 2025

'21'22'23'24'25

■ revenue · ■ net income, by fiscal year

Net income$71.0M+14.8%
Diluted EPS$6.19+17.7%
Cash & equivalents$190M-3.2%
Total assets$5.60B-6.4%
Total liabilities$4.96B-7.8%
Stockholders' equity$636M+6.1%
L/E: 7.80x

Frequently asked

Is GREAT SOUTHERN BANCORP, INC. (GSBC) a buy?
GSBC currently carries a Buy rating with 4/5 conviction, derived from its latest SEC filings. Cheap, well-capitalized community bank with expanding NIM, pristine credit, and aggressive buybacks at 1.34x book — a quiet compounder.
What is GSBC's fair value?
A Modified-Graham model based on GSBC's SEC fundamentals estimates a fair value of about $190.31. It is an estimate from reported earnings, not a price target.
Is GSBC overvalued or undervalued?
Against a Modified-Graham fair-value estimate, GSBC currently appears undervalued relative to its SEC-grounded earnings power.
What is GREAT SOUTHERN BANCORP, INC.'s quality score?
GSBC scores 78.33631054830899/100 (grade B+) on a SEC-grounded quality model spanning value, growth, profitability, financial health and momentum.

Sources: SEC EDGAR (CIK 0000854560, latest 10-Q filed 2026-05-07) · EODHD · Proprietary analysis · as of 6/25/2026, 2:54:35 PM.

›About this recommendation — produced by TENK/calls (tenkcalls.com), Luxembourg · not investment advice

AI-generated analysis, produced by our proprietary engine from SEC filing data.

Investment recommendation produced by TENK/calls (tenkcalls.com), Luxembourg. Completed Jun 25, 2026, 10:54 AM ET. Ratings & methodology: definitions · All recommendations to date: track record · Conflicts: disclosures. Not investment advice.

Research and education only — not financial advice. TENKis not a registered investment adviser or broker-dealer and gives no personalized advice. Every call is impersonal — identical for all users, generated on a schedule from SEC filings plus a delayed/third-party price feed — may be wrong or out of date, and is not a recommendation to buy or sell any security. The operator and an affiliated trading operation may hold or trade the securities TENK rates; see Disclosures. Past performance does not guarantee future results. Do your own research.

Insider activity

Form 4 · SEC

Last 90 days: 0 open-market buys · 3 sales

2026-05-26
STEINERT EARL A JR
Director
Exercise2.00K @ $60.15$120K
2026-05-26
STEINERT EARL A JR
Director
Exercise1.50K @ $57.98$87.0K
2026-05-26
STEINERT EARL A JR
Director
Exercise1.00K @ $61.55$61.5K
2026-05-26
STEINERT EARL A JR
Director
Sell4.50K @ $71.62$322K
2026-05-18
TURNER WILLIAM V
Director
Exercise6.00K @ $52.20$313K
2026-05-18
TURNER WILLIAM V
Director
Sell6.00K @ $68.35$410K
2026-05-06
Baker Kevin L
Insider
Exercise2.80K @ $52.20$146K
2026-05-06
Baker Kevin L
Insider
Sell2.80K @ $69.96$196K
2026-04-14
Hart Debra Mallonee
Director
Acquired (J)13.00 @ $67.28$874.64
2026-04-14
CARLSON THOMAS J
Director
Acquired (J)109.00 @ $67.57$7.37K
2026-04-14
Edwards Steven D
Director
Acquired (J)26.00 @ $67.97$1.77K
2026-04-14
Pitt Douglas M
Director
Acquired (J)54.00 @ $67.28$3.63K

Earnings history

beat/miss · move
2026-04-16Beat +20.1% est▼ -1.30%8-K ↗
2026-01-22Beat +6.2% est▲ +5.20%8-K ↗
2025-10-16Beat +3.3% est▼ -5.13%8-K ↗
2025-07-17Beat +25.7% est▲ +0.91%8-K ↗
2025-04-17—▲ +5.58%8-K ↗
2025-01-22—▼ -3.85%8-K ↗

Dates from 8-K (Item 2.02); beat/miss = reported EPS vs consensus (Finnhub, recent quarters); move = prior close → close on/after.

Vs tracked universe

compare →

1195 tracked peers · median

TENK Score78 vs 67
Revenue growth— vs 7.5%
Net margin— vs 10.0%
Return on equity11.2% vs 12.0%
P/E12.7 vs 26.2