Welcome to our dedicated page for Momentus SEC filings (Ticker: MNTSW), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Momentus Inc. filings document the regulatory record for a U.S. commercial space company with Nasdaq-listed Class A common stock and warrants. Recent 8-K disclosures cover shareholder letters, preliminary financial information, Regulation FD communications, press releases and operational updates involving satellite technology, space transportation and in-orbit services.
The filings also record capital-structure activity, including securities purchase agreements, private placements of common stock and pre-funded warrants, conversions of secured convertible notes and terminations of related warrant arrangements. These documents disclose material agreements, financing terms, registered security classes and corporate events affecting the company's public equity and warrant structure.
Momentus Inc. has received an updated Schedule 13G/A from a group of Citadel-related entities and Kenneth Griffin regarding holdings of its Class A common stock. The reporting persons may be deemed to beneficially own up to 309,865 Shares, representing 1.6% of the outstanding Class A common stock, based on 18,835,815 Shares outstanding as of June 18, 2026. All reported powers to vote and dispose are on a shared, not sole, basis, and the group reports ownership of 5 percent or less of the class.
Momentus Inc. replaced its independent auditor, dismissing Frank, Rimerman + Co. LLP effective August 11, 2026, and appointing Baker Tilly US, LLP after executing an engagement agreement on August 12, 2026. The audit committee approved both actions.
Frank, Rimerman’s opinions on the 2025 and 2024 financial statements contained no adverse or disclaimed opinions and were not qualified on accounting principles or audit scope, although the 2024 report included an explanatory paragraph about substantial doubt regarding the company’s ability to continue as a going concern. The company reports no disagreements with Frank, Rimerman and no reportable events other than a previously disclosed material weakness in internal control over financial reporting, related to misclassification errors, which the company states was remediated as of December 31, 2025 through control enhancements and monitoring.
Momentus Inc. investor group reports a sub‑5% passive stake in Class A common stock. Investment entities affiliated with Davidson Kempner Capital Management LP (DKCM), including M.H. Davidson & Co. and Davidson Kempner Arbitrage, Equities and Relative Value LP, report aggregate beneficial ownership of 850,000 shares of Momentus Inc. Class A common stock, representing 4.51% of the class. All reported shares are held with shared voting and dispositive power; no reporting person has sole voting or dispositive power. The ownership percentages are based on 18,835,815 shares outstanding as of June 18, 2026, as cited from a company prospectus. The filing indicates that each reporting person now owns 5 percent or less of this class of securities.
Momentus Inc. had its warrant class, described as a warrant expiring 8/12/2026, removed from listing and/or registration on the Nasdaq Stock Market LLC under Section 12(b) of the Securities Exchange Act of 1934. Nasdaq certified that it complied with its rules to strike this class of securities and that the issuer complied with applicable exchange and SEC requirements for voluntary withdrawal.
Momentus Inc. reported interim results highlighting a major balance sheet recapitalization alongside continued operating losses. Cash and cash equivalents were $107.6 million at June 30, 2026, up sharply from $12.8 million at December 31, 2025, driven by $109.9 million of net cash from equity and warrant financings, including ATM sales, private placements and a registered direct offering. Total assets rose to $129.5 million and stockholders’ equity to $114.3 million, compared with $17.1 million at year‑end, while total liabilities declined to $15.3 million.
For the six months ended June 30, 2026, service revenue was $3.24 million versus $0.51 million a year earlier, primarily from engineering and hosted payload services. The company recorded a net loss of $17.7 million, wider than the $12.6 million loss in the prior-year period, as research and development expenses grew to $8.4 million and selling, general and administrative costs to $10.2 million. Customer contract liabilities (deposits) decreased to $0.3 million, reflecting conversion of backlog into revenue. Shares of Class A common stock outstanding increased to 20.3 million at June 30, 2026 and 22.0 million as of August 10, 2026, following significant equity issuance and warrant exercises.
Momentus Inc. disclosed that it can sell up to $75 million of its Class A common stock through A.G.P./Alliance Global Partners under an at-the-market, or ATM, equity program. Any future sales will be made under its effective Form S-3 shelf registration and a related prospectus supplement filed on June 18, 2026.
The filing also includes a legal opinion from Bradley Arant Boult Cummings LLP on the validity of the shares, which is incorporated by reference into the registration statement.
Momentus Inc. is offering up to $75,000,000 of common stock in an at‑the‑market program. The offering permits sales of up to 7,455,268 shares (at an assumed price of $10.06 per share) through A.G.P./Alliance Global Partners as sales agent for a 3.0% commission.
The company intends to use net proceeds for working capital and general corporate purposes, including acquisitions, milestone payments and repurchases. Management states that recent financings have eliminated prior substantial doubt about the company’s ability to continue as a going concern.
Momentus Inc. completed a registered direct offering of 1,851,852 shares of Class A common stock at $13.50 per share, raising approximately $25.0 million in gross proceeds. The company plans to use the cash for working capital and general corporate purposes.
The shares were issued off an effective Form S-3 shelf, with A.G.P./Alliance Global Partners acting as placement agent. Momentus agreed to short-term restrictions on additional equity issuance and its executives and directors signed 30-day lock-up agreements. A.G.P. received cash fees and equity warrants as compensation.
Momentus Inc. is offering 1,851,852 shares of its Class A common stock pursuant to a prospectus supplement. The offering price is $13.50 per share, with estimated net proceeds to the company of approximately $23 million after placement agent fees and offering expenses. The shares are expected to be delivered on or about June 15, 2026. The Placement Agent is A.G.P./Alliance Global Partners, which will receive a cash fee and warrants exercisable at $14.85 per share to purchase 92,592 shares.
The company intends to use net proceeds for working capital and general corporate purposes, including development of orbital transfer and satellite bus vehicles, R&D, capital expenditures, repayment of indebtedness, acquisitions, milestone payments, and share repurchases. Common stock outstanding after the offering is stated as 18,835,815 shares.
Momentus Inc. amends its shelf registration to register 3,089,100 shares of Class A common stock for resale by selling stockholders. The prospectus also covers the potential offering of up to $200,000,000 of various securities from time to time.
The 3,089,100 shares consist of 2,173,420 private placement shares, 768,580 pre-funded warrant shares and 147,100 placement-agent warrant shares issued in recent May 2026 transactions. The filing states the Company will not receive proceeds from resales by the selling stockholders and that prospectus supplements will set specific terms for any issuer-led offerings under the shelf.