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SC 13D/A ·Filed Sep 18, 2026

JATT

JATT II Acquisition Corp.
NEUTRAL
Impact 2/10
Horizonweeks Processed1mo ago SEC0001213900-26-101561
Activist stake amendment (position change)
Actionable Insight • Neutral

Monitor for any substantive amendments or announcements regarding a business combination target, as the sponsor's stated purpose remains unchanged.

DirectionNeutral
Confidencehigh
Horizonweeks
Latest settled — T+20d
JATT ▼ -16.26% at T+20d
NEUTRAL call -16.26% · α vs SPY -15.35% · entry $12.24 → $10.25
Next anchor: T+60d in 7w
Latest observation: T+24 -17.98% FF3 residual α
Entry = T+0 close
Sep 18, 2026
via day close
T+1d
-4.33%
call -4.33% · α -4.31%
$11.71
settled 5w ago
T+5d
-8.09%
call -8.09% · α -7.07%
$11.25
settled 4w ago
T+20d
-16.26%
call -16.26% · α -15.35%
$10.25
settled 10d ago
T+60d
Pending
in 7w

Price Chart

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Executive Summary

This Amendment No. 1 to Schedule 13D is a purely administrative correction to the citizenship of Someit Sidhu (from an unspecified prior entry to 'United Kingdom'). The stake remains unchanged at 1,800,000 ordinary shares (23.10%), and no new demands, plans, or proposals are disclosed. The filing is a clerical update with no material impact on the activist posture or the SPAC's business combination timeline.

Key Financial Metrics

Stake
23.1%
Investor
JATT Ventures II L.P. / Someit Sidhu

Key Facts

  • Amendment corrects the citizenship of Someit Sidhu to 'United Kingdom'.
  • Stake unchanged: 1,800,000 ordinary shares (23.10%) held by JATT Ventures II L.P. and deemed beneficially owned by Someit Sidhu.
  • No changes to purpose, demands, or plans — the reporting persons continue to seek a business combination target.
  • Filed 3 days after the original Schedule 13D (September 15, 2026).

Financial Impact

No financial impact — administrative correction only.

Risk Factors

  • No new information on deal progress or target identification.

Documents Analyzed

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

DocumentAccession Number
SC 13D/A Filing (Primary)0001213900-26-101561
Document: 0001213900-26-101561-index-headers.html0001213900-26-101561
Document: 0001213900-26-101561-index.html0001213900-26-101561
Document: 0001213900-26-101561.txt0001213900-26-101561
7 reports for JATT
Performance horizon
Filters
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Reports for JATT — sortable, filterable
TypeNow
Sep 18, 2026
5w ago
SC 13D/A
NEUTRAL ★ 2/10
$12.24 $10.25▼ −16.26%▼ −15.35%$10.29 (−15.93%)
Sep 15, 2026
5w ago
SC 13D
NEUTRAL ★ 3/10
$12.03 $10.37▼ −13.80%▼ −15.86%$10.29 (−14.46%)
Aug 27, 2026
8w ago
Press Release
NEUTRAL ★ 4/10
$12.01 $11.42▼ −4.91%▼ −4.40%$10.29 (−14.32%)
Aug 25, 2026
8w ago
Press Release
NEUTRAL ★ 4/10
$12.01 $11.42▼ −4.91%▼ −5.14%$10.29 (−14.32%)
Apr 24, 2026
26w ago
8-K
NEUTRAL ★ 5/10
$10.94 $10.90▼ −0.37%▼ −5.32%$10.29 (−5.94%)
Apr 20, 2026
26w ago
Press Release
NEUTRAL ★ 5/10
$10.20 $10.95▲ +7.35%▲ +2.44%$10.29 (+0.88%)
Apr 16, 2026
27w ago
Press Release
NEUTRAL ★ 5/10
$10.50 $10.55▲ +0.48%▼ −4.89%$10.29 (−2.00%)
Showing 7 of 7

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Report published Sep 18, 2026