# EDGAR Filing Document

**Accession Number:** 0001781162
**File Stem:** 0001140361-25-023850
**Filing Date:** 2025-6
**Character Count:** 2407
**Document Hash:** 8078a96a72aab3b94f1bd42d27b13adf
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-25-023850.hdr.sgml**: 20250827

**ACCESSION NUMBER**: 0001140361-25-023850

**CONFORMED SUBMISSION TYPE**: CORRESP

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250626

**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:** CORRESP

**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

#### Momentus Inc.
3901 N. First Street

San Jose, California 95124

(650) 564-7820

June 26, 2025

#### VIA EDGAR

United States Securities and Exchange Commission

Division of Corporation Finance

Office of Manufacturing

100 F Street, NE

Washington, D.C. 20549

Attention: Kristin Baldwin

---

| | |
|:---|:---|
| **Re:** | **Momentus Inc.** |
|  | **Registration Statement on Form S-1** |
|  | **File No. 333-288123** |
|  | **REQUEST FOR ACCELERATION OF EFFECTIVENESS** |
|  | Requested Date: Monday, June 30, 2025 |
|  | Requested Time: 10:00 a.m., Eastern Time |

---

Ladies and Gentlemen:

In accordance with Rule 461 under the Securities Act of 1933, as amended, Momentus Inc., a Delaware corporation (the "Company"), respectfully requests that the effective date for the Registration Statement referred to above be accelerated so that it will become effective at 10:00 a.m., Eastern Time, on Monday, June 30, 2025, or as soon thereafter as is practicable.

Please contact Stephen Hinton of Bradley Arant Boult Cummings LLP, the Company's legal counsel, at (615) 244-2582, if you have any questions or concerns regarding this matter. Thank you in advance for your assistance.

---

| | |
|:---|:---|
| Sincerely, | Sincerely, |
| MOMENTUS INC. | MOMENTUS INC. |
| By: | /s/ Lon Ensler |
|  | Name: Lon Ensler |
|  | Title: Interim Chief Financial Officer |

---

cc: Stephen Hinton, Bradley Arant Boult Cummings LLP

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