# EDGAR Filing Document

**Accession Number:** 0001781162
**File Stem:** 9999999995-26-001890
**Filing Date:** 2026-6
**Character Count:** 1380
**Document Hash:** b9ebacc76fd1453506e06f1e2696ac9a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-26-001890.hdr.sgml**: 20260605

**ACCESSION NUMBER**: 9999999995-26-001890

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260604

**DATE AS OF CHANGE**: 20260605

**EFFECTIVENESS DATE**: 20260604

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Momentus Inc.
- **CENTRAL INDEX KEY:** 0001781162
- **STANDARD INDUSTRIAL CLASSIFICATION:** GUIDED MISSILES & SPACE VEHICLES & PARTS [3760]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 841905538
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-296218
- **FILM NUMBER:** 261066753

**BUSINESS ADDRESS:**
- **STREET 1:** 1762 AUTOMATION PARKWAY
- **CITY:** SAN JOSE
- **STATE:** CA
- **ZIP:** 95131
- **BUSINESS PHONE:** 6505647820

**MAIL ADDRESS:**
- **STREET 1:** 1762 AUTOMATION PARKWAY
- **CITY:** SAN JOSE
- **STATE:** CA
- **ZIP:** 95131

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Stable Road Acquisition Corp.
- **DATE OF NAME CHANGE:** 20190628

### UNITED STATES
### SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## Notice of Effectiveness

**Date:** June 4, 2026

**Time:** 09:00:00

**Form Type:** S-3

---

**CIK:** 0001781162

**Company Name:** Momentus Inc.

**File Number:** 333-296218