SecBot SecBot
425 ·Filed Oct 9, 2026

TCBX

Third Coast Bancshares, Inc.
NEUTRAL
Impact 4/10
Horizonmonths Processed17d 13h ago SEC0001193125-26-419158
Rule 425 M&A communications
Actionable Insight • Neutral

This filing is a routine deal communication with no new financial information. Monitor for the filing of the S-4 registration statement and subsequent shareholder vote timeline, as well as regulatory approval updates from the Federal Reserve and OCC.

DirectionNeutral
Confidencehigh
Horizonmonths
Latest settled — T+5d ⚠ clustered
TCBX ▼ -2.52% at T+5d
NEUTRAL call -2.52% · α vs SPY -1.02% · entry $41.70 → $40.65
Next anchor: T+20d in 10d
Latest observation: T+9 -10.61% FF3 residual α
Entry = T+0 close
Oct 9, 2026
via day close
T+1d
+0.19%
call +0.19% · α +0.20%
$41.78
settled 15d ago
T+5d
-2.52%
call -2.52% · α -1.02%
$40.65
settled 11d ago
T+20d
Pending
in 10d
T+60d
Pending
in 2mo

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Executive Summary

Third Coast Bancshares filed a Rule 425 communication containing an American Banker article that provides additional detail on its pending $239.6 million all-stock acquisition of Great Plains Bancshares. The article confirms the deal is expected to close in Q1 2027, projects 14% EPS accretion in 2028 and $17 million in cost savings, and notes the seller was capital-constrained. This filing is a follow-up to the October 7 announcement and contains no new material financial information or changes to deal terms.

Key Financial Metrics

Deal Value
$239.6M
Deal Type
acquisition

Key Facts

  • Third Coast agreed to pay $239.6 million in stock for Great Plains Bancshares, a $1.9 billion-asset bank.
  • Deal expected to close in Q1 2027; Third Coast projects 14% EPS accretion in 2028.
  • Cost savings of $17 million projected, or 20% of Great Plains' estimated non-interest expense base.
  • Combined bank expected to start with ~$9 billion in assets, $7.3 billion in loans, and $7.8 billion in deposits.
  • Great Plains reported net income of $17.1 million in H1 2026 and $31.1 million in full-year 2025.
  • Great Plains' Q2 2026 net interest margin was 5.34%, substantially above the industry average of 3.32%.
  • Great Plains CEO Mark Russell will take a senior role in the merged company; two Great Plains representatives will join Third Coast's board.
  • Piper Sandler analyst Stephen Scouten characterized the transaction as 'a solid addition' with 'reasonable' terms.

Financial Impact

$239.6 million all-stock acquisition; 14% EPS accretion projected for 2028; $17 million in annual cost savings.

earnings per shareassetsloansdepositscost savings

Risk Factors

  • Regulatory approval may not be obtained on the expected timeline or at all.
  • Integration risks could delay or reduce projected cost savings and EPS accretion.
  • Dilution from stock issuance may pressure near-term EPS.
  • Capital constraints at Great Plains could indicate asset quality issues not fully disclosed.

Investment Themes

Traditional Finance

Documents Analyzed

This report is based on 4 SEC documents filed with EDGAR.

DocumentAccession Number
425 Filing (Primary)0001193125-26-419158
Document: 0001193125-26-419158-index-headers.html0001193125-26-419158
Document: 0001193125-26-419158-index.html0001193125-26-419158
Document: 0001193125-26-419158.txt0001193125-26-419158
16 reports for TCBX
Performance horizon
100% Hit rate @ T+1 7 of 7 directional calls Went positive at some point 7 of 7 best @ T+20▲ +6.84%Jul 22, 2026
Filters
Rows
Reports for TCBX — sortable, filterable
TypeNow
Oct 23, 2026
3d ago
425
NEUTRAL ★ 5/10
$39.80awaiting T+1—$40.12 (+0.80%)
Oct 21, 2026
5d ago
425
BEARISH ★ 6/10
$40.00 $39.80▲ +0.50%▼ −0.02%$40.12 (−0.30%)
Oct 21, 2026
5d ago
8-K
MIXED ★ 6/10
$40.00 $39.80▼ −0.50%▲ +0.02%$40.12 (+0.30%)
Oct 13, 2026
13d ago
425
BULLISH ★ 6/10
$41.20 $41.40▲ +0.49%▲ +0.20%$40.12 (−2.62%)
Oct 13, 2026
13d ago
8-K
BULLISH ★ 6/10
$41.20 $41.40▲ +0.49%▲ +0.20%$40.12 (−2.62%)
Oct 9, 2026
17d ago
425
NEUTRAL ★ 4/10
$41.70 $41.78▲ +0.19%▲ +0.20%$40.12 (−3.79%)
Oct 9, 2026
17d ago
425
NEUTRAL ★ 4/10
$41.70 $41.78▲ +0.19%▲ +0.20%$40.12 (−3.79%)
Oct 7, 2026
19d ago
425
BULLISH ★ 6/10
$41.27 $41.77▲ +1.21%▲ +1.63%$40.12 (−2.79%)
Oct 7, 2026
19d ago
8-K
BULLISH ★ 6/10
$41.27 $41.77▲ +1.21%▲ +1.63%$40.12 (−2.79%)
Sep 18, 2026
5w ago
8-K
NEUTRAL ★ 2/10
$44.05 $43.56▼ −1.11%▼ −1.10%$40.12 (−8.92%)
Showing 10 of 16

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Report published Oct 9, 2026