# EDGAR Filing Document

**Accession Number:** 0001576280
**File Stem:** 0001193125-26-187414
**Filing Date:** 2026-4
**Character Count:** 4441
**Document Hash:** 580b3c47e851ee34d2b8646edb69c627
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-187414.hdr.sgml**: 20260428

**ACCESSION NUMBER**: 0001193125-26-187414

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260428

**DATE AS OF CHANGE**: 20260428

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Guardant Health, Inc.
- **CENTRAL INDEX KEY:** 0001576280
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-MEDICAL LABORATORIES [8071]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 454139254
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38683
- **FILM NUMBER:** 26908778

**BUSINESS ADDRESS:**
- **STREET 1:** 3100 HANOVER STREET
- **CITY:** PALO ALTO
- **STATE:** CA
- **ZIP:** 94304
- **BUSINESS PHONE:** 855-698-8887

**MAIL ADDRESS:**
- **STREET 1:** 3100 HANOVER STREET
- **CITY:** PALO ALTO
- **STATE:** CA
- **ZIP:** 94304

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**Washington, D.C. 20549** 

**SCHEDULE 14A** 

**SCHEDULE 14A INFORMATION** 

**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 Commission Only (as permitted by Rule 14a-6(e)(2))** 

☐ Definitive Proxy Statement

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;☒ Definitive Additional Materials

☐ Soliciting Material Pursuant to §240.14a-12

**Guardant Health, 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):

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&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

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![LOGO](g931715g02g02.jpg)

Your Vote Counts! GUARDANT HEALTH, INC. 2026 Annual Meeting Vote by June 16, 2026 11:59 PM ET GUARDANT HEALTH, INC. 3100 HANOVER STREET PALO ALTO, CA 94304 You invested in GUARDANT HEALTH, 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 June 17, 2026. Get informed before you vote View the 10K Wrap, Notice & Proxy Statement online OR you can receive a free paper or email copy of the material(s) by requesting prior to June 03, 2026. 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 # Smartphone users Point your camera here and vote without entering a control number Vote Virtually at the Meeting\* June 17, 2026 9:30 AM PDT Virtually at: www.virtualshareholdermeeting.com/GH2026 \*Please check the meeting materials for any special requirements for meeting attendance.

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![LOGO](g931715g03g03.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. Voting Items Board Recommends 1. Election of Class II Directors Nominees: 1a. lan Clark For 1b. Manuel Hidalgo Medina For 2. Ratification of the appointment of Deloitte & Touche LLP as Guardant Health, Inc.'s independent registered public accounting firm for the year ending December 31, 2026. For 3. Non-binding advisory vote to approve Guardant Health, Inc.'s named executive officer compensation. For 4. Non-binding advisory vote on the frequency of stockholder advisory votes regarding compensation of our named executive officers. Year NOTE: 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".