# EDGAR Filing Document

**Accession Number:** 0001482541
**File Stem:** 0001641172-25-021534
**Filing Date:** 2025-7
**Character Count:** 7137
**Document Hash:** 6f9bd5a6b39bb1bba958836d96d78733
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001641172-25-021534.hdr.sgml**: 20250730

**ACCESSION NUMBER**: 0001641172-25-021534

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250730

**DATE AS OF CHANGE**: 20250730

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CEA Industries Inc.
- **CENTRAL INDEX KEY:** 0001482541
- **STANDARD INDUSTRIAL CLASSIFICATION:** AGRICULTURE SERVICES [0700]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 273911608
- **STATE OF INCORPORATION:** NV
- **FISCAL YEAR END:** 0430

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-88074
- **FILM NUMBER:** 251166247

**BUSINESS ADDRESS:**
- **STREET 1:** 1780 55TH STREET, SUITE C
- **CITY:** BOULDER
- **STATE:** CO
- **ZIP:** 80301
- **BUSINESS PHONE:** 303-993-5271

**MAIL ADDRESS:**
- **STREET 1:** 1780 55TH STREET, SUITE C
- **CITY:** BOULDER
- **STATE:** CO
- **ZIP:** 80301

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Surna Inc.
- **DATE OF NAME CHANGE:** 20100128
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Finlinson Lance Brock
- **CENTRAL INDEX KEY:** 0002002770

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A

**MAIL ADDRESS:**
- **STREET 1:** 9715 GULFSHORE DRIVE #304
- **CITY:** NAPLES
- **STATE:** FL
- **ZIP:** 34108

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 1)**

**CEA Industries Inc.**

*(Name of Issuer)*

**Common Stock**

*(Title of Class of Securities)*

**86887P101**

*(CUSIP Number)*

**Lance Brock Finlinson**<br>9715 Gulfshore Drive #304<br>Naples FL 34108<br>(317)450-6000

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**07/28/2025**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **86887P101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Lance Brock Finlinson** | Name of reporting person<br>**Lance Brock Finlinson** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**PF** | Source of funds (See Instructions)<br>**PF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**0.00** | Aggregate amount beneficially owned by each reporting person<br>**0.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**0%** | Percent of class represented by amount in Row (11)<br>**0%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Stock

**(b) Name of Issuer:**
CEA Industries Inc.

**(c) Address of Issuer's Principal Executive Offices:**
385 S Pierce Avenue, Suite C, Louisville, CO, 80027

**Item 4. Purpose of Transaction**

The securities were initially acquired for investment purposes and were disposed of when certain price objectives were met.

**Item 5. Interest in Securities of the Issuer**

**(a)**
0; 0%

**(b)**
0

**(c)**
Date of Transaction                Number of Shares Sold           Price Per Share in USD
7/28/25                                                411                                     49.0429
7/28/25                                                853                                     47.4036
7/28/25                                                5,000                                  46.9289
7/28/25                                                5,000                                  46.9424
7/28/25                                                500                                     46.013
7/28/25                                                5,000                                  44.0481
7/28/25                                                5,700                                  45.00
7/28/25                                                290                                     66.011
7/28/25                                                4,710                                  63.3815
7/28/25                                                2,500                                  56.4985
7/28/25                                                5,000                                  47.0094
7/28/25                                                1,169                                  46.0429
7/28/25                                                3,831                                  45.00
7/28/25                                                1,994                                  46.1187
7/28/25                                                3,006                                  44.3253
7/28/25                                                5,000                                  55.2429
7/28/25                                                5,000                                  64.4724
7/28/25                                                3,000                                  57.3131
7/28/25                                                2,500                                  56.7184
7/29/25                                                1,971                                  48.0658
7/29/25                                                3,616                                  49.5383
7/29/25                                                2,252                                  47.18
7/29/25                                                3,085                                  47.88

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Lance Brock Finlinson

**Signature:** /s/ Lance Brock Finlinson

**Name/Title:** Lance Brock Finlinson

**Date:** 07/30/2025