LKSP SEC Filings: 8-K, 10-Q, S-3 & 424B

Financials

TYPE

HEADLINE

FILED AT

10-K/A

Form 10-K/A - Annual report [Section 13 and 15(d), not S-K Item 405]: [Amend]

Nov 3, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Aug 13, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

May 13, 2026

10-K

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]

Feb 12, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Nov 14, 2025

News

TYPE

HEADLINE

FILED AT

8-K

Lake Superior Acquisition Corp. Enters into Amended and Restated Business Combination Agreement with Openmarkets Group

Nov 3, 2026

8-K

Lake Superior Acquisition Corp. Announces Business Combination with Openmarkets Group

Mar 10, 2026

8-K

Lake Superior Acquisition Corp. Enters Definitive Merger Agreement with Openmarkets Group

Jan 29, 2026

8-K

Openmarkets Announces Merger Agreement with Lake Superior Acquisition Corp.

Jan 23, 2026

8-K

Lake Superior Acquisition Corp. Announces Separate Trading of Unit Components (LKSP, LKSPR, LKSPU)

Oct 31, 2025

8-K

Lake Superior Acquisition Corp. Reports Balance Sheet as of October 8, 2025

Oct 15, 2025

Prospectus

TYPE

HEADLINE

FILED AT

425

Form 425 - Prospectuses and communications, business combinations

Mar 10, 2026

424B4

SHARE RESALE REGISTRATION | Shares amount: 10,000,000 | Share price: $10 | Offering amount: $100,000,000

Oct 7, 2025

Registrations

TYPE

HEADLINE

FILED AT

8-A12B

Form 8-A12B - Registration of securities [Section 12(b)]

Oct 6, 2025

S-1/A

SHARE RESALE REGISTRATION | Shares amount: 10,000,000 | Share price: $10 | Offering amount: $100,000,000

Sep 19, 2025

S-1/A

SHARE RESALE REGISTRATION | Shares amount: 10,000,000 | Share price: $10 | Offering amount: $100,000,000

Jul 10, 2025

S-1/A

SHARE RESALE REGISTRATION | Shares amount: 10,000,000 | Share price: $10 | Offering amount: $100,000,000

Jun 4, 2025

S-1

SHARE RESALE REGISTRATION | Shares amount: 10,000,000 | Share price: $10 | Offering amount: $100,000,000

May 8, 2025

DRS/A

Form DRS/A - Draft Registration Statement: [Amend]

Apr 7, 2025

Proxies

TYPE

HEADLINE

FILED AT

Ownerships

TYPE

HEADLINE

FILED AT

SCHEDULE 13G/A

Karpus Management, Inc. (Filed by)

Aug 14, 2026

SCHEDULE 13G/A

MIZUHO FINANCIAL GROUP INC (Filed by)

Aug 13, 2026

SCHEDULE 13G/A

GOLDMAN SACHS GROUP INC (Filed by)

Aug 11, 2026

SCHEDULE 13G

MIZUHO FINANCIAL GROUP INC (Filed by)

May 14, 2026

SCHEDULE 13G

GOLDMAN SACHS GROUP INC (Filed by)

May 8, 2026

SCHEDULE 13G

Karpus Management, Inc. (Filed by)

Feb 13, 2026

Other

TYPE

HEADLINE

FILED AT

EFFECT

Form EFFECT - Notice of Effectiveness

Oct 1, 2025

CORRESP

Form CORRESP - Correspondence

Sep 29, 2025

CORRESP

Form CORRESP - Correspondence

Sep 29, 2025

CORRESP

Form CORRESP - Correspondence

Jul 10, 2025

LETTER

Form UPLOAD - SEC-generated letter

Jun 12, 2025

CORRESP

Form CORRESP - Correspondence

Jun 5, 2025

Lake Superior Acquisition Corp. LKSP · SEC Filings