---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-25-036869"
form_type: "8-K"
ticker: "MNTS"
cik: "0001781162"
company_name: "Momentus Inc."
filed_at: "2025-10-01T23:59:59+00:00"
generated_at: "2026-05-17T05:06:29.542848+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Momentus Inc. announces $7.35M at-the-market equity offering effective

## Summary
- Entered Sales Agreement with A.G.P./Alliance Global Partners on Sept 19, 2025, for up to $7.35M in Class A common stock.
- Registration statement declared effective Sept 30, 2025; shares may be sold via ATM or negotiated transactions at company's option.
- Legal opinion from Bradley Arant Boult Cummings LLP filed as Exhibit 5.1 regarding share validity.

## SEC filing metadata
- accession: 0001140361-25-036869
- form_type: 8-K
- ticker: MNTS
- cik: 0001781162
- company_name: Momentus Inc.
- filed_at: 2025-10-01T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1781162/000114036125036869/0001140361-25-036869-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1781162/000114036125036869/ef20056502_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-25-036869
- JSON: https://secwatch.observer/filing/0001140361-25-036869.json
- Plain text: https://secwatch.observer/filing/0001140361-25-036869.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.