# EDGAR Filing Document

**Accession Number:** 0001813452
**File Stem:** 0001140361-26-017834
**Filing Date:** 2026-4
**Character Count:** 4910
**Document Hash:** d561ce3fc7c369d70d6e5a4cd53bc46c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-26-017834.hdr.sgml**: 20260429

**ACCESSION NUMBER**: 0001140361-26-017834

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260429

**DATE AS OF CHANGE**: 20260429

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Planet 13 Holdings Inc.
- **CENTRAL INDEX KEY:** 0001813452
- **STANDARD INDUSTRIAL CLASSIFICATION:** AGRICULTURE PRODUCTION - CROPS [0100]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 832787199
- **STATE OF INCORPORATION:** NV
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-56374
- **FILM NUMBER:** 26916824

**BUSINESS ADDRESS:**
- **STREET 1:** 2548 WEST DESERT INN ROAD
- **CITY:** LAS VEGAS
- **STATE:** NV
- **ZIP:** 89109
- **BUSINESS PHONE:** 702-815-1313

**MAIL ADDRESS:**
- **STREET 1:** 4675 W. TECO AVE.
- **STREET 2:** SUITE 250
- **CITY:** LAS VEGAS
- **STATE:** NV
- **ZIP:** 89118

### UNITED STATES <br>

### SECURITIES AND EXCHANGE COMMISSION <br>

### Washington, D.C. 20549

### SCHEDULE 14A

#### Proxy Statement Pursuant to Section 14(a) of the <br>

#### Securities Exchange Act of 1934
Filed by the Registrant ☒

Filed by a Party other than the Registrant ☐

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| | |
|:---|:---|
| Check the appropriate box:  | 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  |
| ☒<br>| Definitive Additional Materials  |
| ☐ | Soliciting Material Pursuant to § 240.14a-12 |

---

---

| |
|:---|
| **PLANET 13 HOLDINGS 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 the boxes that apply)  | Payment of Filing Fee (Check all the 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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Your Vote Counts! Smartphone users Point your camera here and vote without entering a control number For complete information and to vote, visit www.ProxyVote.com Control # V94694-P52976 \*Please check the meeting materials for any special requirements for virtual meeting attendance. PLANET 13 HOLDINGS INC. 2548 WEST DESERT INN ROAD SUITE 100 LAS VEGAS, NEVADA 89109 PLANET 13 HOLDINGS INC. 2026 Annual General Meeting Vote by June 9, 2026 11:59 PM ET You invested in PLANET 13 HOLDINGS INC. and it's time to vote! You have the right to vote on proposals being presented at the Annual General Meeting. This is an important notice regarding the availability of proxy materials for the stockholder meeting to be held on June 10, 2026. Get informed before you vote View the Notice of Meeting, Proxy Statement, Annual Report on Form 10-K, and Request for Financial Statements online at www.ProxyVote.com OR you can receive a free paper or email copy of the material(s) by requesting prior to May 27, 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. Vote Virtually at the Meeting\* June 10, 2026 12:00 P.M. (Pacific Daylight Time) To be held virtually at: www.virtualshareholdermeeting.com/PLNH2026

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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. Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click "Delivery Settings". V94695-P52976 1. Election of Directors. For Nominees: 1a. Robert Groesbeck 1b. Larry Scheffler For 1c. Adrienne O'Neal For 1d. Kevin Martin For 1e. David Loop For 1f. Nancy Saitta For 1g. Leilani Bradford For 2. Approve an amendment to Planet 13 Holdings Inc.'s 2023 Equity Incentive Plan to increase the number of shares of common stock authorized for issuance thereunder from 32,000,000 to 52,000,000. For 3. Ratify the appointment of Davidson & Company LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2026. For NOTE: In their discretion, the proxyholder(s) may vote upon such other matters as may properly come before the meeting or any adjournment or postponement thereof. Voting Items Board Recommends

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