# EDGAR Filing Document

**Accession Number:** 0001274737
**File Stem:** 0001628280-25-033488
**Filing Date:** 2025-6
**Character Count:** 2385
**Document Hash:** 73eeb4b46138dd35124307b64c2f4f57
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001628280-25-033488.hdr.sgml**: 20250801

**ACCESSION NUMBER**: 0001628280-25-033488

**CONFORMED SUBMISSION TYPE**: CORRESP

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250630

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** EXAGEN INC.
- **CENTRAL INDEX KEY:** 0001274737
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-MEDICAL LABORATORIES [8071]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** CORRESP

**BUSINESS ADDRESS:**
- **STREET 1:** 1261 LIBERTY WAY
- **CITY:** VISTA
- **STATE:** CA
- **ZIP:** 92081
- **BUSINESS PHONE:** (760) 560-1501

**MAIL ADDRESS:**
- **STREET 1:** 1261 LIBERTY WAY
- **CITY:** VISTA
- **STATE:** CA
- **ZIP:** 92081

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** EXAGEN DIAGNOSTICS INC
- **DATE OF NAME CHANGE:** 20031230

**EXAGEN INC.**

**1261 LIBERTY WAY**

**VISTA, CA 92081**

June 30, 2025

VIA EDGAR

U.S. Securities and Exchange Commission

Division of Corporation Finance

100 F Street, N.E.

Washington, D.C. 20549

Attention: Robert Augustin

**Re:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Exagen Inc.** 

**Registration Statement on Form S-3**

**File No. 333-288199 (the "Registration Statement")**

**<u>Acceleration Request</u>**

Ladies and Gentlemen:

In accordance with Rule 461 of Regulation C promulgated under the Securities Act of 1933, as amended, Exagen Inc. (the "Registrant") hereby respectfully requests that the Securities and Exchange Commission accelerate the effective date of the above-referenced Registration Statement to Wednesday, July 2, 2025, at 4:01p.m., Eastern Time, or as soon as thereafter practicable.

The cooperation of the staff in meeting the timetable described above is very much appreciated.

Please contact Scott M. Stanton or Jason Miller of Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C., counsel to the Registrant, at (858) 314-1880 or (858) 314-2140, respectively, with any questions regarding this request.

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| |
|:---|
| Very truly yours, |
| EXAGEN INC. |
| /s/ John Aballi |
| John Aballi, Chief Executive Officer |

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cc:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; *<u>Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C.</u>*

Scott Stanton, Esq.

Jason Miller, Esq.

<br>