# EDGAR Filing Document

**Accession Number:** 0001781162
**File Stem:** 0000000000-25-010557
**Filing Date:** 2025-9
**Character Count:** 3179
**Document Hash:** 9463f9967f51fafb51888b379f19fa83
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000000000-25-010557.hdr.sgml**: 20260331

**ACCESSION NUMBER**: 0000000000-25-010557

**CONFORMED SUBMISSION TYPE**: UPLOAD

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20250929

**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:** 333-290243

**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
**PUBLIC REFERENCE ACCESSION NUMBER**: 0001140361-25-034922

## Text-Extract

```

                                                            September 29, 2025

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

       Re: Momentus Inc.
           Registration Statement on Form S-1
           Filed September 15, 2025
           File No. 333-290243
Dear John Rood:

       We have conducted a limited review of your registration statement and
have the
following comment(s).

        Please respond to this letter by amending your registration statement
and providing
the requested information. If you do not believe a comment applies to your
facts and
circumstances or do not believe an amendment is appropriate, please tell us why
in your
response.

       After reviewing any amendment to your registration statement and the
information
you provide in response to this letter, we may have additional comments.

Registration Statement on Form S-1 filed September 15, 2025
General

1.     Please provide your analysis regarding why the Initial Conversion Shares
and
       Subsequent Conversion Shares are eligible to be registered at this time.
Refer to
       Securities Act Sections Compliance and Disclosure Interpretation 139.11
for
       guidance.
        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.

       Refer to Rules 460 and 461 regarding requests for acceleration. Please
allow adequate
time for us to review any amendment prior to the requested effective date of
the registration
 September 29, 2025
Page 2

statement.

      Please contact Eranga Dias at 202-551-8107 or Asia Timmons-Pierce at
202-551-
3754 with any other questions.

                                                       Sincerely,

                                                       Division of Corporation
Finance
                                                       Office of Manufacturing

```

### Attached PDF Documents

**Attachment 1:** `filename1`

_No text found in this document._