---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-25-029141"
form_type: "8-K"
ticker: "MNTS"
cik: "0001781162"
company_name: "Momentus Inc."
filed_at: "2025-08-06T23:59:59+00:00"
generated_at: "2026-05-17T19:44:17.125561+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Momentus appoints Lon Ensler as CFO; base salary $375K, RSU award of 1% outstanding shares

## Summary
- Lon Ensler, age 66, appointed CFO effective August 1, 2025; previously served as interim CFO since April 2024.
- Base salary of $375,000 annually; target cash bonus of 50% of base salary.
- Subject to board approval, awarded RSUs representing 1% of outstanding shares, vesting 25% annually over four years.
- Severance includes 6 months base salary plus prorated target bonus and accelerated RSU vesting upon qualifying termination.

## SEC filing metadata
- accession: 0001140361-25-029141
- form_type: 8-K
- ticker: MNTS
- cik: 0001781162
- company_name: Momentus Inc.
- filed_at: 2025-08-06T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1781162/000114036125029141/0001140361-25-029141-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1781162/000114036125029141/ny20047547x26_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-25-029141
- JSON: https://secwatch.observer/filing/0001140361-25-029141.json
- Plain text: https://secwatch.observer/filing/0001140361-25-029141.txt

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