# EDGAR Filing Document

**Accession Number:** 0001781162
**File Stem:** 0000000000-25-010464
**Filing Date:** 2025-9
**Character Count:** 2212
**Document Hash:** e1fcdfd4bab41622fc26d27e7b4322bc
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000000000-25-010464.hdr.sgml**: 20260130

**ACCESSION NUMBER**: 0000000000-25-010464

**CONFORMED SUBMISSION TYPE**: UPLOAD

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20250925

**FILED FOR**: 

**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:** UPLOAD
- **SEC FILE NUMBER:** 333-290425

**BUSINESS ADDRESS:**
- **STREET 1:** 3901 N. FIRST STREET
- **CITY:** SAN JOSE
- **STATE:** CA
- **ZIP:** 95134
- **BUSINESS PHONE:** 6505647820

**MAIL ADDRESS:**
- **STREET 1:** 3901 N. FIRST STREET
- **CITY:** SAN JOSE
- **STATE:** CA
- **ZIP:** 95134

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Stable Road Acquisition Corp.
- **DATE OF NAME CHANGE:** 20190628
**PUBLIC REFERENCE ACCESSION NUMBER**: 0001140361-25-035600

## Text-Extract

```

                                                           September 25, 2025

John Rood
Chief Executive Officer
Momentus Inc.
3901 N. First Street
San Jose, California 95134

       Re: Momentus Inc.
           Registration Statement on Form S-3
           Filed on September 22, 2025
           File No. 333-290425
Dear John Rood:

       This is to advise you that we have not reviewed and will not review your
registration
statement.

        Please refer to Rules 460 and 461 regarding requests for acceleration.
We remind you
that the company and its management are responsible for the accuracy and
adequacy of their
disclosures, notwithstanding any review, comments, action or absence of action
by the staff.

       Please contact Bradley Ecker at 202-551-4985 with any questions.

                                                           Sincerely,

                                                           Division of
Corporation Finance
                                                           Office of
Manufacturing

```

### Attached PDF Documents

**Attachment 1:** `filename1`

_No text found in this document._