MNTS SEC Filings: 8-K, 10-Q, S-3 & 424B – Momentus

Financials

TYPE

HEADLINE

FILED AT

10-Q

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

Aug 11, 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]

Mar 31, 2026

10-Q

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

Nov 19, 2025

NT 10-Q

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

Nov 14, 2025

10-Q

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

Aug 19, 2025

News

TYPE

HEADLINE

FILED AT

8-K

Momentus Inc. Terminates $50 Million Equity Purchase Agreement

Aug 25, 2026

8-K

Momentus Inc. Announces Change of Independent Registered Public Accounting Firm

Aug 14, 2026

8-K

Momentus Inc. Announces At-the-Market (ATM) Offering Program

Jun 18, 2026

8-K

Momentus Announces Pricing of a $25 Million Registered Direct Offering

Jun 15, 2026

8-K

Momentus Announces $25 Million Private Placement of Common Stock

May 29, 2026

8-K

Momentus Inc. Announces Results of 2026 Annual Meeting of Stockholders

May 22, 2026

Prospectus

TYPE

HEADLINE

FILED AT

424B5

[No Baby Shelf]* June 2026 ATM | Offering amount: $75,000,000 | Bank: A.G.P./Alliance Global Partners

Jun 18, 2026

424B5

REGISTERED OFFERING

Jun 15, 2026

424B5

February 2026 ATM | Offering amount: $50,000,000 | Bank: A.G.P./Alliance Global Partners

Feb 9, 2026

424B5

February 2026 ATM | Offering amount: $4,177,347 | Bank: A.G.P./Alliance Global Partners

Feb 6, 2026

424B5

December 2025 ATM | Offering amount: $8,031,113 | Amount sold to date: $9,414,342 | Float: 30,606,062

Dec 12, 2025

424B5

October 2025 ATM | Amount sold to date: $9,183,961 | Float: 22,801,536

Oct 20, 2025

Registrations

TYPE

HEADLINE

FILED AT

S-3/A

June 2026 SHELF + SHARE RESALE REGISTRATION | Float: 16,153,355

Jun 1, 2026

S-3

May 2026 SHELF

May 26, 2026

S-8

Form S-8 - Securities to be offered to employees in employee benefit plans

May 22, 2026

S-3

SHARE RESALE REGISTRATION

Apr 21, 2026

S-8

Form S-8 - Securities to be offered to employees in employee benefit plans

Apr 1, 2026

S-8

Form S-8 - Securities to be offered to employees in employee benefit plans

Feb 2, 2026

Proxies

TYPE

HEADLINE

FILED AT

DEF 14A

Form DEF 14A - Other definitive proxy statements

Apr 10, 2026

DEF 14A

Form DEF 14A - Other definitive proxy statements

Jan 23, 2026

PRE 14A

Form PRE 14A - Other preliminary proxy statements

Jan 12, 2026

DEF 14A

Form DEF 14A - Other definitive proxy statements

Dec 30, 2025

PRE 14A

Form PRE 14A - Other preliminary proxy statements

Dec 15, 2025

DEF 14A

Form DEF 14A - Other definitive proxy statements

Oct 30, 2025

Ownerships

TYPE

HEADLINE

FILED AT

SCHEDULE 13G/A

CITADEL ADVISORS LLC (Filed by)

Aug 14, 2026

SCHEDULE 13G/A

DAVIDSON KEMPNER CAPITAL MANAGEMENT LP (Filed by)

Aug 14, 2026

S-3/A

Form S-3/A - Registration statement under Securities Act of 1933: [Amend]

Jun 1, 2026

SCHEDULE 13G

DAVIDSON KEMPNER CAPITAL MANAGEMENT LP (Filed by)

May 28, 2026

Hadfield Chris (Reporting)

May 26, 2026

S-3

Form S-3 - Registration statement under Securities Act of 1933

May 26, 2026

Other

TYPE

HEADLINE

FILED AT

EFFECT

Form EFFECT - Notice of Effectiveness

Jun 5, 2026

CORRESP

Form CORRESP - Correspondence

Jun 2, 2026

LETTER

Form UPLOAD - SEC-generated letter

Jun 1, 2026

EFFECT

Form EFFECT - Notice of Effectiveness

Apr 29, 2026

CORRESP

Form CORRESP - Correspondence

Apr 24, 2026

LETTER

Form UPLOAD - SEC-generated letter

Apr 24, 2026

Momentus Inc. MNTS · SEC Filings