Southport Acquisition Corp. II

Overview

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• TickerPORT on NYSE¹
• IndustryBlank Checks¹
• HeadquartersGreenwich, Connecticut¹
• Incorporated inCayman Islands²
• Business address8 Bolling Place, Greenwich, Ct 06830²
• Filer category, Emerging growth company²

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Corporate structure

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

• Chief executive officerJeb S. Spencer Sep 30, 2026 to now³
• PresidentGriffith Payne Gates Sep 30, 2026 to now⁴
• Chief financial officerJeb S. Spencer Sep 30, 2026 to now³
• Chief operating officerGriffith Payne Gates Sep 30, 2026 to now⁴

Timeline

1. Oct 8, 20268-K Other events⁵
2. Oct 5, 20268-K Entered a material agreement; Unregistered sale of shares; Executive or director change⁶
3. Sep 30, 2026New chief executive Jeb S. Spencer becomes CEO³

Filings

23 filings to the SEC since October 2021: 2 major events, 11 insider forms, 2 large holders, 8 other. The latest 20:

1. Oct 8, 20268-K EDGAR
2. Oct 7, 2026SCHEDULE 13G EDGAR
3. Oct 7, 2026SCHEDULE 13D EDGAR
4. Oct 5, 20268-K EDGAR
5. Oct 2, 20264 EDGAR
6. Oct 2, 20264 EDGAR
7. Oct 2, 2026424B4 EDGAR
8. Oct 1, 20263 EDGAR
9. Oct 1, 20263 EDGAR
10. Oct 1, 20263 EDGAR
11. Oct 1, 20263 EDGAR
12. Oct 1, 20263 EDGAR
13. Oct 1, 20263 EDGAR
14. Sep 30, 2026EFFECT EDGAR
15. Sep 30, 20263 EDGAR
16. Sep 30, 20263 EDGAR
17. Sep 30, 20263 EDGAR
18. Sep 30, 20268-A12B EDGAR
19. Sep 30, 2026CERT NYSE CERTIFICATION EDGAR
20. Sep 24, 2026S-1/A AMENDMENT NO 1 TO S-1 EDGAR

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

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.

• Linden Capital L.P.SCHEDULE 13G, 1 filing Oct 7, 2026⁷
• SOUTHPORT ACQUISITION SPONSOR II LLCSCHEDULE 13D, 1 filing Oct 7, 2026⁸

SEC filer profile

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

• Name on EDGARSouthport Acquisition Corp. II¹
• CIK0002148436
• Filer status<br>emerging growth company¹
• Incorporated inCayman Islands¹
• Fiscal year endsDecember 31¹
• Industry code (SIC)6770 Blank Checks¹
• SEC reviewing officeOffice of Energy & Transportation, Division of Corporation Finance¹
• Business address8 Bolling Place, Greenwich, CT 06830¹
• Phone858-704-3216¹
• On EDGAR sinceAug 7, 2026¹
• Filings23 in all: 3 (9), S-1/A (3), 4 (2), 8-K (2), 424B4 (1), 8-A12B (1), CERT (1), EFFECT (1)¹
  All 11 form types

  S-1 (1), SCHEDULE 13D (1), SCHEDULE 13G (1)

• Latest filingsLatest 8-K (8-K) Oct 8, 2026