# EDGAR Filing Document

**Accession Number:** 0001284309
**File Stem:** 0001828791-26-000005
**Filing Date:** 2026-1
**Character Count:** 6769
**Document Hash:** 12423728e51cca2ad0d69f6424d3e991
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001828791-26-000005.hdr.sgml**: 20260113

**ACCESSION NUMBER**: 0001828791-26-000005

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

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260113

**DATE AS OF CHANGE**: 20260113

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Viant Technology Inc.
- **CENTRAL INDEX KEY:** 0001828791
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC. [7370]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 853447553
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-92329
- **FILM NUMBER:** 26530870

**BUSINESS ADDRESS:**
- **STREET 1:** 2722 MICHELSON DRIVE
- **STREET 2:** SUITE 100
- **CITY:** IRVINE
- **STATE:** CA
- **ZIP:** 92612
- **BUSINESS PHONE:** 949-861-8888

**MAIL ADDRESS:**
- **STREET 1:** 2722 MICHELSON DRIVE
- **STREET 2:** SUITE 100
- **CITY:** IRVINE
- **STATE:** CA
- **ZIP:** 92612
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MADDEN LARRY
- **CENTRAL INDEX KEY:** 0001284309

**ORGANIZATION NAME:**

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

**MAIL ADDRESS:**
- **STREET 1:** C/O VIANT TECHNOLOGY INC.
- **STREET 2:** 2722 MICHELSON DRIVE, SUITE 100
- **CITY:** IRVINE
- **STATE:** CA
- **ZIP:** 92612

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 5)**

**Viant Technology Inc.**

*(Name of Issuer)*

**Class A common stock, par value $0.001 per share**

*(Title of Class of Securities)*

**92557A101**

*(CUSIP Number)*

**Larry Madden**<br>2722 Michelson Drive<br>Suite 100<br>Irvine CA 92612<br>9498618888

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

**01/09/2026**

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

| **CUSIP No.** | **92557A101** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Larry Madden** | Name of reporting person<br>**Larry Madden** | |
| 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>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 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>**1401423.00** |
| 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>**1401423.00** |
| 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>**1401423.00** | Aggregate amount beneficially owned by each reporting person<br>**1401423.00** | |
| 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>**7.8%** | Percent of class represented by amount in Row (11)<br>**7.8%** | |
| 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:**
Class A common stock, par value $0.001 per share

**(b) Name of Issuer:**
Viant Technology Inc.

**(c) Address of Issuer's Principal Executive Offices:**
2722 Michelson Drive, Suite 100, Irvine, CA, 92612

This Amendment No. 5 to Schedule 13D (this "Amendment No. 5") amends and supplements the statement on Schedule 13D filed with the United States Securities and Exchange Commission on June 12, 2024 (as amended to date, the "Schedule 13D"), relating to the Class A common stock, par value $0.001 per share (the "Class A Common Stock"), of Viant Technology Inc., a Delaware corporation (the "Issuer"). Capitalized terms used herein without definition shall have the meaning set forth in the Schedule 13D.

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

**(a)**
The Reporting Person may be deemed to beneficially own 1,401,423 shares of Class A Common Stock, which consists of (i) 194,940 shares of Class A Common Stock held of record by the Reporting Person, (ii) 666,719 shares of Class A Common Stock underlying stock options that are exercisable or will become exercisable within 60 days of the date hereof, (iii) 65,408 shares of Class A Common Stock underlying RSUs that will vest within 60 days of the date hereof, and (iv) 474,356 shares of Class A Common Stock underlying Class B Units that are currently convertible on a one-to-one basis.

Based upon 16,678,890 shares of Class A Common Stock outstanding as of November 7, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 10, 2025, the Reporting Person may be deemed to beneficially own 7.8% of the Class A Common Stock. The ownership information assumes (i) the redemption of the Class B Units indirectly held by the Reporting Person for shares of the Issuer's Class A Common Stock on a one-to-one basis, (ii) the exercise of stock options held of record by the Reporting Person that are currently exercisable or will become exercisable within 60 days of the date hereof and (iii) the vesting of RSUs held by the Reporting Person, if any, within 60 days of the date hereof.

**(b)**
Sole power to vote or direct the vote: 1,401,423

Shared power to vote: 0

Sole power to dispose or direct the disposition of: 1,401,423

Shared power to dispose or direct the disposition of: 0

**(c)**
Since the filing of Amendment No. 4, the Reporting Person did not effect any transactions in the Class A Common Stock.

### 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:** Larry Madden

**Signature:** Larry Madden

**Name/Title:** Larry Madden / Chief Financial Officer

**Date:** 01/13/2026