JATT II Acquisition Corp.

Overview

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• TickerJATT on Nasdaq¹
• IndustryBlank Checks¹
• HeadquartersE9¹
• Incorporated inCayman Islands²
• Business addressC/O Appleby Global Services (Cayman) Ltd, 71 Fort Street, Po Box 500, George Town, Ky1-1106²
• Filer categoryNon-accelerated filer, Smaller reporting company, Emerging growth company²

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Corporate structure

JATT II Acquisition Corp. sits at the top of its group. 1 entity, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

Leadership

Who has led JATT II Acquisition Corp., and when. Pick a name to see everywhere that person has worked.

• Chief executive officerSomeit Sidhu Apr 16, 2026 to now³
• Chief financial officerNicholas Fernandez Apr 16, 2026 to now⁴

Timeline

1. Jun 29, 20268-K Entered a material agreement; Unregistered sale of shares; Regulation FD disclosure⁹
2. Apr 24, 20268-K Other events¹⁰
3. Apr 21, 20268-K Entered a material agreement; Unregistered sale of shares; Executive or director change¹¹
4. Apr 16, 2026New chief executive Someit Sidhu becomes CEO³

Filings

46 filings to the SEC since October 2021: 2 quarterly reports, 3 major events, 11 insider forms, 11 large holders, 19 other. The latest 20:

1. Oct 1, 2026425 EDGAR
2. Sep 18, 2026SCHEDULE 13D/A EDGAR
3. Sep 15, 2026SCHEDULE 13D EDGAR
4. Sep 14, 2026425 EDGAR
5. Sep 10, 2026425 EDGAR
6. Aug 14, 2026SCHEDULE 13G/A EDGAR
7. Aug 14, 2026SCHEDULE 13G/A EDGAR
8. Aug 14, 2026SCHEDULE 13G EDGAR
9. Aug 14, 2026SCHEDULE 13G EDGAR
10. Aug 14, 2026SCHEDULE 13G EDGAR
11. Aug 13, 2026SCHEDULE 13G EDGAR
12. Aug 13, 202610-Q QUARTERLY REPORT EDGAR
13. Jun 30, 20264 OWNERSHIP DOCUMENT EDGAR
14. Jun 30, 20264 OWNERSHIP DOCUMENT EDGAR
15. Jun 29, 2026425 EDGAR
16. Jun 29, 2026425 EDGAR
17. Jun 29, 2026425 EDGAR
18. Jun 29, 20268-K EDGAR
19. May 29, 202610-Q QUARTERLY REPORT EDGAR
20. Apr 27, 2026SCHEDULE 13G EDGAR

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

Insider trades

2 open-market trades by officers, directors and large owners since October 2021: 2 buys and 0 sales. Grants, option exercises and gifts are left out.

From Forms 4 filed with the SEC.

Major holders

Investors who own more than 5% of the shares must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively.

• JATT Ventures II L.P.SCHEDULE 13D/A, 2 filings Sep 15, 2026 to Sep 18, 2026¹²
• ADAR1 Capital Management, LLCSCHEDULE 13G, 1 filing Aug 14, 2026¹³
• Atika Capital Management LLCSCHEDULE 13G, 1 filing Aug 14, 2026¹⁴
• BALYASNY ASSET MANAGEMENT L.P.SCHEDULE 13G, 1 filing Aug 14, 2026¹⁵
• Commodore Capital LPSCHEDULE 13G/A, 2 filings Apr 24, 2026 to Aug 14, 2026¹⁶
• GREAT POINT PARTNERS LLCSCHEDULE 13G/A, 2 filings Apr 24, 2026 to Aug 14, 2026¹⁷
• Janus Henderson Group Ltd.SCHEDULE 13G, 1 filing Aug 13, 2026¹⁸
• RA CAPITAL MANAGEMENT, L.P.SCHEDULE 13G, 1 filing Apr 27, 2026¹⁹

SEC filer profile

How JATT II Acquisition Corp. is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.

• Name on EDGARJATT II Acquisition Corp.¹
• CIK0002112446
• Filer statusNon-accelerated filer<br>smaller reporting company<br>emerging growth company¹
• Incorporated inCayman Islands¹
• Fiscal year endsDecember 31¹
• Industry code (SIC)6770 Blank Checks¹
• SEC reviewing officeOffice of Real Estate & Construction, Division of Corporation Finance¹
• Business addressC/O Appleby Global Services (Cayman) Ltd, 71 Fort Street, Po Box 500, George Town, Grand Cayman KY1-1106, Cayman Islands¹
• Phone201-688-0364¹
• Shares outstanding7,800,000 as of Aug 12, 2026²⁰
• On EDGAR sinceMar 13, 2026¹
• Filings46 in all: 3 (7), SCHEDULE 13G (7), 425 (6), CORRESP (6), 4 (4), 8-K (3), 10-Q (2), SCHEDULE 13G/A (2)¹
  All 17 form types

  424B4 (1), 8-A12B (1), CERT (1), EFFECT (1), S-1 (1), S-1/A (1), SCHEDULE 13D (1), SCHEDULE 13D/A (1), UPLOAD (1)

• Latest filingsQuarterly report (10-Q) Aug 13, 2026
  Latest 8-K (8-K) Jun 29, 2026