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

Financials

TYPE

HEADLINE

FILED AT

10-Q

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

Aug 14, 2026

10-K/A

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

Jul 1, 2026

10-K

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

Jun 15, 2026

10-Q

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

Feb 19, 2026

NT 10-Q

Form NT 10-Q - Notification of inability to timely file Form 10-Q or 10-QSB

Feb 17, 2026

10-Q

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

Nov 14, 2025

News

TYPE

HEADLINE

FILED AT

8-K

Fortune Favor Technology Inc. to Merge with Quantumsphere Acquisition Corporation at $600 Million Valuation

Oct 13, 2026

8-K

Quantumsphere Acquisition Corporation Terminates Merger Agreement with SACH Pte. Ltd.

Sep 1, 2026

8-K

Quantumsphere Acquisition Corporation Amends Underwriting Agreement

Mar 11, 2026

8-K

Quantumsphere Acquisition Corporation Announces Subscription Agreements for SACH Pte. Ltd.

Jan 23, 2026

8-K/A

Quantumsphere Acquisition Corporation Financial Statement and Audit Report

Oct 10, 2025

8-K

SACH Pte. Ltd. Announces Merger Agreement with Quantumsphere Acquisition Corporation

Oct 3, 2025

Prospectus

TYPE

HEADLINE

FILED AT

425

Form 425 - Prospectuses and communications, business combinations

Oct 13, 2026

424B4

SHARE RESALE REGISTRATION | Shares amount: 7,200,000 | Share price: $10 | Offering amount: $72,000,000

Aug 7, 2025

Registrations

TYPE

HEADLINE

FILED AT

S-1MEF

SHARE RESALE REGISTRATION | Shares amount: 1,380,000

Aug 6, 2025

8-A12B

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

Aug 5, 2025

S-1/A

SHARE RESALE REGISTRATION | Shares amount: 6,000,000 | Share price: $10 | Offering amount: $60,000,000

Jul 29, 2025

S-1/A

SHARE RESALE REGISTRATION | Shares amount: 6,000,000 | Share price: $10 | Offering amount: $60,000,000

Jul 23, 2025

S-1/A

SHARE RESALE REGISTRATION | Shares amount: 6,000,000 | Share price: $10 | Offering amount: $60,000,000

Jul 10, 2025

S-1

SHARE RESALE REGISTRATION | Shares amount: 6,000,000 | Share price: $10 | Offering amount: $60,000,000

May 30, 2025

Proxies

TYPE

HEADLINE

FILED AT

Ownerships

TYPE

HEADLINE

FILED AT

SCHEDULE 13G/A

WOLVERINE ASSET MANAGEMENT LLC (Filed by)

Oct 6, 2026

SCHEDULE 13G

BERKLEY W R CORP (Filed by)

Aug 6, 2026

SCHEDULE 13G/A

Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]

Feb 17, 2026

SCHEDULE 13G

MIZUHO FINANCIAL GROUP INC (Filed by)

Feb 12, 2026

SCHEDULE 13G

HIGHBRIDGE CAPITAL MANAGEMENT LLC (Filed by)

Nov 14, 2025

SCHEDULE 13G

WOLVERINE ASSET MANAGEMENT LLC (Filed by)

Nov 7, 2025

Other

TYPE

HEADLINE

FILED AT

Quantumsphere Acquisition Corp. Ordinary Shares QUMS · SEC Filings