SecBot SecBot
425 ·Filed Aug 13, 2026

EURK

Eureka Acquisition Corp
NEUTRAL
Impact 3/10
Horizonweeks Processed2mo ago SEC0001213900-26-089209
Rule 425 M&A communications
Actionable Insight • Neutral

Monitor for the next monthly extension filing and any shareholder vote on the business combination. The severely depleted trust account (post-78.4% redemption) makes deal completion at a meaningful valuation highly uncertain — watch for a termination announcement or a revised deal with significantly lower consideration.

DirectionNeutral
Confidencehigh
Horizonweeks
Latest settled — T+20d ⚠ clustered
EURK ▼ -4.09% at T+20d
NEUTRAL call -4.09% · α vs SPY -2.10% · entry $11.98 → $11.49
Next anchor: T+60d in 10d
Latest observation: T+50 -5.58% FF3 residual α
Entry = T+0 close
Aug 13, 2026
via day close
T+1d
0.00%
call 0.00% · α +0.47%
$11.98
settled 2mo ago
T+5d
-0.25%
call -0.25% · α +1.12%
$11.95
settled 2mo ago
T+20d
-4.09%
call -4.09% · α -2.10%
$11.49
settled 7w ago
T+60d
Pending
in 10d

Price Chart

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Executive Summary

Eureka Acquisition Corp (EURK) filed a 425/Rule 425 communication reporting that Marine Thinking Inc. deposited $8,253.03 into the trust account to extend the deadline for completing the business combination by one month, from August 3, 2026 to September 3, 2026. EURK issued an unsecured promissory note for the same amount to Marine Thinking, convertible into private units at $10.00 per unit upon a business combination. This is a routine SPAC extension filing that keeps the pending merger with Marine Thinking alive but provides no new material information on deal completion probability, following the prior massive 78.4% public share redemption that severely depleted the trust account.

Key Facts

  • Marine Thinking deposited $8,253.03 into the trust account to extend the business combination deadline by one month to September 3, 2026.
  • EURK issued an unsecured promissory note for $8,253.03 to Marine Thinking, convertible into private units at $10.00 per unit upon a business combination.
  • The extension keeps the pending merger with Marine Thinking alive but does not change deal terms or address the prior 78.4% public share redemption that collapsed the public float to 733,101 shares.

Financial Impact

Routine extension deposit of $8,253.03 — no material financial impact.

cashdilution

Risk Factors

  • Deal may fail to close due to insufficient trust account funds after massive redemptions.
  • Further monthly extensions may be required, each dependent on Marine Thinking's willingness to fund.
  • Shareholder approval risk remains high given the depleted public float and potential lack of support.

Market Snapshot

Exchange
Nasdaq
Sector
Services-Computer Integrated Systems Design

Investment Themes

Software & IT

Documents Analyzed

This report is based on 5 SEC documents filed with EDGAR.

DocumentAccession Number
425 Filing (Primary)0001213900-26-089209
Document: ea030198201ex10-1.htm0001213900-26-089209
Document: 0001213900-26-089209-index-headers.html0001213900-26-089209
Document: 0001213900-26-089209-index.html0001213900-26-089209
Document: 0001213900-26-089209.txt0001213900-26-089209
10 reports for EURK
Performance horizon
33% Hit rate @ T+1 1 of 3 directional calls Went positive at some point 2 of 3 best @ T+60▲ +1.63%Jul 6, 2026
Filters
Rows
Reports for EURK — sortable, filterable
TypeNow
Oct 13, 2026
13d ago
425
BULLISH ★ 5/10
$11.55 $11.55· 0.00%▼ −0.28%$11.55 (+0.00%)
Oct 13, 2026
13d ago
8-K
NEUTRAL ★ 3/10
$11.55 $11.55· 0.00%▼ −0.28%$11.55 (+0.00%)
Oct 13, 2026
14d ago
425
NEUTRAL ★ 3/10
$11.50 $11.55▲ +0.43%▲ +1.52%$11.55 (+0.43%)
Oct 13, 2026
14d ago
8-K
NEUTRAL ★ 3/10
$11.50 $11.55▲ +0.43%▲ +1.52%$11.55 (+0.43%)
Sep 2, 2026
7w ago
8-K
BEARISH ★ 7/10
$11.60 $11.51▲ +0.82%▲ +1.87%$11.55 (+0.43%)
Aug 13, 2026
10w ago
425
NEUTRAL ★ 3/10
$11.98 $11.98· 0.00%▲ +0.47%$11.55 (−3.59%)
Aug 13, 2026
10w ago
8-K
NEUTRAL ★ 3/10
$11.98 $11.98· 0.00%▲ +0.47%$11.55 (−3.59%)
Jul 6, 2026
16w ago
8-K
BEARISH ★ 7/10
$11.74 $11.88▼ −1.19%▼ −1.50%$11.55 (+1.58%)
Jun 23, 2026
18w ago
425
NEUTRAL ★ 2/10
$11.44 $11.44· 0.00%▲ +0.05%$11.55 (+0.96%)
Jun 23, 2026
18w ago
8-K
NEUTRAL ★ 2/10
$11.44 $11.44· 0.00%▲ +0.05%$11.55 (+0.96%)
Showing 10 of 10

US Market Status

Market Closed — Opens Wed (16h 45m)

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Report published Aug 13, 2026