# EDGAR Filing Document

**Accession Number:** 0001497253
**File Stem:** 0001193125-25-262551
**Filing Date:** 2025-11
**Character Count:** 5063
**Document Hash:** b5fb6920f99a56e7f0ae6de16708d613
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-262551.hdr.sgml**: 20251103

**ACCESSION NUMBER**: 0001193125-25-262551

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20251103

**DATE AS OF CHANGE**: 20251103

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** VivoSim Labs, INC.
- **CENTRAL INDEX KEY:** 0001497253
- **STANDARD INDUSTRIAL CLASSIFICATION:** BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 271488943
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0331

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-35996
- **FILM NUMBER:** 251444124

**BUSINESS ADDRESS:**
- **STREET 1:** 11555 SORRENTO VALLEY ROAD
- **STREET 2:** SUITE 100
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92121
- **BUSINESS PHONE:** 858-224-1000

**MAIL ADDRESS:**
- **STREET 1:** 11555 SORRENTO VALLEY ROAD
- **STREET 2:** SUITE 100
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92121

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ORGANOVO HOLDINGS, INC.
- **DATE OF NAME CHANGE:** 20120104

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** REAL ESTATE RESTORATION & RENTAL, INC.
- **DATE OF NAME CHANGE:** 20100722

------

**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**

**(Amendment No.)**

------

Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐

Check the appropriate box:

☐ Preliminary Proxy Statement

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

☐ Definitive Proxy Statement

☒ Definitive Additional Materials

☐ Soliciting Material under §240.14a-12

**VivoSim Labs, Inc.**

**(Name of Registrant as Specified In Its Charter)**

**Not Applicable**

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

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

&nbsp;&nbsp;&nbsp;&nbsp;☒ 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.

------

![img22547606_0.jpg](img22547606_0.jpg)

Your Vote Counts! ORGANOVO HOLDINGS, INC. 2023 Annual Meeting Vote by October 30, 2023 11:59 PM ET ORGANOVO HOLDINGS, INC. 11555 SORRENTO VALLEY ROAD, SUITE 100 SAN DIEGO, CA 92121 V23261-P98852 You invested in ORGANOVO HOLDINGS, INC. and it's time to vote! You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the availability of proxy material for the stockholder meeting to be held on October 31, 2023. Get informed before you vote View the Notice and Proxy Statement and Annual Report online OR you can receive a free paper or email copy of the material(s) by requesting prior to October 17, 2023. If you would like to request a copy of the material(s) for this and/or future stockholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy. For complete information and to vote, visit www.ProxyVote.com Control # Vote Virtually at the Meeting\* October 31, 2023 9:00 a.m. Pacific Time Smartphone users Point your camera here and vote without entering a control number Virtually at: www.virtualshareholdermeeting.com/ONVO2023 \*Please check the meeting materials for any special requirements for meeting attendance. V1.2

------

![img22547606_1.jpg](img22547606_1.jpg)

Vote at www.ProxyVote.com THIS IS NOT A VOTABLE BALLOT This is an overview of the proposals being presented at the upcoming stockholder meeting. Please follow the instructions on the reverse side to vote these important matters. Board Recommends Voting Items 1. To elect each of Keith Murphy and Adam Stern as a Class III director to hold office until the 2026 Annual Meeting of Stockholders and until his respective successor is elected and qualified. Nominees: For 1a. Keith Murphy 1b. Adam Stern For 2. To ratify the appointment of Rosenberg Rich Baker Berman P.A. as our independent registered public accounting firm for the fiscal year ending March 31, 2024. For For 3. To approve, on an advisory basis, the compensation of our named executive officers. For 4. To approve the Organovo Holdings, Inc. 2023 Employee Stock Purchase Plan. 5. To approve an amendment to our Certificate of Incorporation, as amended, to reflect new Delaware law provisions regarding officer exculpation. For NOTE: In their discretion, the proxies are authorized to vote upon such other business as may properly come before the meeting or any adjournment thereof. Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click "Delivery Settings". V23262-P98852

------