---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-25-046720"
form_type: "8-K"
ticker: "MNTS"
cik: "0001781162"
company_name: "Momentus Inc."
filed_at: "2025-12-29T23:59:59+00:00"
generated_at: "2026-05-16T12:07:19.140336+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Momentus amends equity purchase agreement; price now 94% of lowest trade over 3 days

## Summary
- Purchase price changed from fixed $1.24 to 94% of lowest trade during 3-day valuation period.
- Maximum put shares capped at lesser of 75% of 5-day avg volume, 25% of same-day volume, or 800k/closing price.
- Investor waives late filing of Form 10-Q for quarter ended September 30, 2025.
- Company must file 8-K by next trading day disclosing the amendment.

## SEC filing metadata
- accession: 0001140361-25-046720
- form_type: 8-K
- ticker: MNTS
- cik: 0001781162
- company_name: Momentus Inc.
- filed_at: 2025-12-29T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 2.03, 3.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1781162/000114036125046720/0001140361-25-046720-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1781162/000114036125046720/ef20061954_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-25-046720
- JSON: https://secwatch.observer/filing/0001140361-25-046720.json
- Plain text: https://secwatch.observer/filing/0001140361-25-046720.txt

## Key facts
- Material Agreements
  Momentus Inc. amended First Amendment to Equity Purchase Agreement with Yield Point NY LLC valued at changes the purchase price of the Company's Class A common stock ... from a fixed price of $1.24 per (effective 2025-12-23).
  - Action: amendment
  - Agreement: equity purchase
  - Counterparty: Yield Point NY LLC
  - Value: changes the purchase price of the Company's Class A common stock ... from a fixed price of $1.24 per
  - Effective: 2025-12-23
  source text: On December 23, 2025 Momentus Inc. (“Momentus” or the “Company”) entered into a First Amendment to Equity Purchase Agreement (the “EPA Amendment”) with Yield Point NY LLC (“Yield Point”) to, among other things, amend the Equity Purchase Agreement dated September 25, 2025 by and between the Company and Yield Point.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1781162/000114036125046720/0001140361-25-046720-index.htm

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