# EDGAR Filing Document

**Accession Number:** 0001411685
**File Stem:** 0001411685-25-000054
**Filing Date:** 2025-7
**Character Count:** 2249
**Document Hash:** 533e282d338d24511fd9157f0ca13162
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001411685-25-000054.hdr.sgml**: 20250728

**ACCESSION NUMBER**: 0001411685-25-000054

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20250728

**DATE AS OF CHANGE**: 20250728

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Vistagen Therapeutics, Inc.
- **CENTRAL INDEX KEY:** 0001411685
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 205093315
- **STATE OF INCORPORATION:** NV
- **FISCAL YEAR END:** 0331

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-37761
- **FILM NUMBER:** 251156651

**BUSINESS ADDRESS:**
- **STREET 1:** 343 ALLERTON AVENUE
- **CITY:** SOUTH SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94080
- **BUSINESS PHONE:** 650-577-3600

**MAIL ADDRESS:**
- **STREET 1:** 343 ALLERTON AVENUE
- **CITY:** SOUTH SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94080

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** VistaGen Therapeutics, Inc.
- **DATE OF NAME CHANGE:** 20110610

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Excaliber Enterprises, Ltd.
- **DATE OF NAME CHANGE:** 20070906

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**WASHINGTON, D.C. 20549**

**SCHEDULE 14A**

**Proxy Statement Pursuant to Section 14(a)**

**of the Securities Exchange Act of 1934**

Filed by the Registrant ☒

Filed by a Party other than the Registrant ☐

Check the appropriate box:

☐ Preliminary Proxy Statement

☐ Confidential, for Use of the SEC Only (as permitted by Rule 14a-6(e)(2))

☐ Definitive Proxy Statement

☒ Definitive Additional Materials

☐ Soliciting Material Pursuant to 14a-12

**VISTAGEN THERAPEUTICS, INC.**

(Name of Registrant as Specified in its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check all boxes that apply):

☒ No fee required

☐ Fee paid previously with preliminary materials

☐ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11

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