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Form 8-K

sec.gov

8-K — Southport Acquisition Corp. II

Accession: 0001185185-26-004973

Filed: 2026-10-23

Period: 2026-10-19

CIK: 0002148436

SIC: 6770 (BLANK CHECKS)

Item: Other Events

Documents

8-K — southacq28k102326.htm (Primary)

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported):

October 19, 2026

Southport Acquisition Corp. II

(Exact name of registrant as specified in its

charter)

Cayman Islands

001-43492

98-1961063

(State

or other jurisdiction

of incorporation)

(Commission

File Number)

(IRS Employer

Identification No.)

8 Bolling Place

Greenwich, CT 06830

(Address of principal executive offices, including

zip code)

Registrant’s telephone number, including

area code: (917) 503-9722

Not Applicable

(Former name or former address, if changed since

last report)

Check the appropriate box below if the Form 8-K

filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading

Symbol(s)

Name of each exchange

on which registered

Units, each consisting of one Class A ordinary share and one-half of one redeemable warrant

PORT.U

The New York Stock Exchange

Class A ordinary shares, par value $0.0001 per share

PORT

The New York Stock Exchange

Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share

PORT.W

The New York Stock Exchange

Indicate by check mark whether the registrant

is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the

Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check

mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting

standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01. Other Events.

Forfeiture of Founder Shares

As previously reported, on

October 2, 2026, Southport Acquisition Corp. II (the “Company”) consummated its initial public offering (the “IPO”)

of 21,000,000 units (the “Units”), including 1,000,000 Units issued pursuant to the partial exercise by the underwriters of

their over-allotment option. Each Unit consists of one Class A ordinary share of the Company, par value $0.0001 per share (the “Class

A Ordinary Shares”), and one-half of one redeemable warrant of the Company (each whole warrant, a “Warrant”), with each

whole Warrant entitling the holder thereof to purchase one Class A Ordinary Share for $11.50 per share upon the consummation of the Company’s

initial business combination. The Units were sold at a price of $10.00 per Unit, generating gross proceeds to the Company of $210,000,000.

Southport Acquisition Sponsor II LLC, the Company’s sponsor (the “Sponsor”), owned an aggregate of 7,666,667 Class B

ordinary share of the Company, par value $0.0001 per share (the “Class B Ordinary Shares”), at the consummation of the IPO,

up to 1,000,000 shares of which were subject to forfeiture depending on the extent to which the underwriters’ over-allotment option

is exercised.

On October 19, 2026, after

the underwriters notified the Company that they forfeited their right to exercise the remaining portion of their over-allotment option,

666,667 shares of Class B Ordinary Shares were forfeited by the Sponsor. Such forfeited shares were cancelled by the Company.

1

SIGNATURE

Pursuant

to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the

undersigned hereunto duly authorized.

Southport Acquisition Corp. II

By:

/s/ Jeb Spencer

Name:

Jeb Spencer

Title:

Chief Executive Officer

Dated: October 23, 2026

2

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Entity Tax Identification Number

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Entity Incorporation, State or Country Code

E9

Entity Address, Address Line One

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Entity Address, City or Town

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Entity Address, State or Province

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Entity Address, Postal Zip Code

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City Area Code

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Units, each consisting of one Class A ordinary share and one-half of one redeemable warrant

Title of 12(b) Security

Units, each consisting of one Class A ordinary share and one-half of one redeemable warrant

Trading Symbol

PORT.U

Security Exchange Name

NYSE

Class A ordinary shares, par value $0.0001 per share

Title of 12(b) Security

Class A ordinary shares, par value $0.0001 per share

Trading Symbol

PORT

Security Exchange Name

NYSE

Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share

Title of 12(b) Security

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Security Exchange Name

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