DSP Form 144: Affiliate Sells Class A Stock

DSP filed a Form 144 reporting proposed and recent sales of Class A Common Stock by an affiliate.

Rhea-AI Filing Summary

DSP filed a Form 144 reporting proposed and recent sales of Class A Common Stock by an affiliate. The filing lists multiple scheduled restricted stock unit awards (dated 06/10/2026) and numerous sale transactions by Lawrence Madden between 03/13/2026 and 06/08/2026, showing individual share quantities and gross proceeds for each trade.

Insights

Securities Counsel

Form 144 notice of proposed and recent affiliate sales; procedural compliance matters.

Form 144 is a required notice for affiliate sales of securities; the filing lists the security as Class A Common Stock and records multiple transactions with exact share counts and gross proceeds. The filing also lists RSU awards dated 06/10/2026.

Review will focus on whether sales comply with holding-period and volume limitations and whether required broker confirmations and Form 144 timeliness are met; subsequent trade confirmations or broker statements may provide final settlement details.

Equity Markets Analyst

Multiple small-to-mid sized insider dispositions recorded; no proceeds aggregation disclosed as a single total.

The transactions by Lawrence Madden list individual trades ranging from 1,658 to 18,663 shares with per-trade gross proceeds shown in dollars. The schedule of RSU awards shows award quantities and grant dates tied to compensation.

These entries indicate routine affiliate liquidity activity rather than a single block offering; the timing and sizes suggest staged dispositions across sessions.

Key Figures

RSU award (example): 10,124 shares RSU award (example): 20,771 shares Largest reported sale (single trade): 18,663 shares +2 more

5 metrics

RSU award (example) 10,124 shares Restricted stock units awarded under incentive award plan dated 03/15/2024 (settlement listed 06/10/2026)

RSU award (example) 20,771 shares Restricted stock units awarded under incentive award plan dated 03/15/2026 (settlement listed 06/10/2026)

Largest reported sale (single trade) 18,663 shares Sale by Lawrence Madden on 06/05/2026 with gross proceeds $228,483.64

Typical reported sale (example) 13,826 shares Sale by Lawrence Madden on 05/11/2026 with gross proceeds $156,105.22

Smallest reported sale (example) 1,658 shares Sale by Lawrence Madden on 03/13/2026 with gross proceeds $21,607.39

Key Terms

Restricted stock units, Form 144, Class A Common Stock

3 terms

Restricted stock units financial

"Restricted stock units awarded under incentive award plan"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Form 144 regulatory

"Filer Information | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Class A Common Stock financial

"Class A Common Stock | Morgan Stanley Smith Barney One New York Plaza"

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does DSP's Form 144 filing report?

It reports proposed and recent affiliate sales of Class A Common Stock. The notice lists RSU awards dated 06/10/2026 and multiple sales by Lawrence Madden between 03/13/2026 and 06/08/2026, with share counts and gross proceeds per trade.

Who is the reported seller in the DSP Form 144?

The filing lists Lawrence Madden as the selling affiliate in multiple trades. The entries show his address and a sequence of Class A Common Stock sales with specific share quantities and gross dollar proceeds for each transaction.

Are the RSU awards part of the Form 144 for DSP?

The document lists Restricted Stock Unit awards dated 06/10/2026. Each RSU line shows award quantities and reference dates; the entries are labeled as compensation-related awards under the issuer's incentive plan.

Does the Form 144 aggregate total shares sold or proceeds for DSP?

The excerpt provides per-trade share counts and gross proceeds but does not state an aggregate total. Each transaction row includes the share quantity and a dollar amount for gross proceeds for that specific trade.

What timeframe do the reported DSP trades cover?

Transactions listed span from 03/13/2026 through 06/08/2026. The filing enumerates multiple sale dates in that window with specific share counts and gross proceeds for each trade.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/12/2026 - 05:35 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001284309
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Viant Technology Inc.
SEC File Number	001-40015
Address of Issuer	2722 Michelson Drive Suite 100 Irvine CALIFORNIA 92612
Phone	9498618888
Name of Person for Whose Account the Securities are To Be Sold	Lawrence Madden
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Class A Common Stock	Morgan Stanley Smith Barney One New York Plaza, 8th Floor New York NY 10004	26370	318813	20080982	06/12/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Class A Common Stock	06/10/2026	Restricted stock units awarded under incentive award plan	Issuer			10124	03/15/2024	Compensation
Class A Common Stock	06/10/2026	Restricted stock units awarded under incentive award plan	Issuer			9368	03/15/2025	Compensation
Class A Common Stock	06/10/2026	Restricted stock units awarded under incentive award plan	Issuer			4248	03/18/2025	Compensation
Class A Common Stock	06/10/2026	Restricted stock units awarded under incentive award plan	Issuer			20771	03/15/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Lawrence Madden 2722 Michelson Drive Suite 100 Irvine CA 92612	Class A Common Stock	05/08/2026	18538	219671.59
Lawrence Madden 2722 Michelson Drive Suite 100 Irvine CA 92612	Class A Common Stock	05/11/2026	13826	156105.22
Lawrence Madden 2722 Michelson Drive Suite 100 Irvine CA 92612	Class A Common Stock	05/11/2026	3471	41463.18
Lawrence Madden 2722 Michelson Drive Suite 100 Irvine CA 92612	Class A Common Stock	04/21/2026	13283	144929.48
Lawrence Madden 2722 Michelson Drive Suite 100 Irvine CA 92612	Class A Common Stock	04/22/2026	13263	142427.38
Lawrence Madden 2722 Michelson Drive Suite 100 Irvine CA 92612	Class A Common Stock	04/23/2026	12782	129881.74
Lawrence Madden 2722 Michelson Drive Suite 100 Irvine CA 92612	Class A Common Stock	04/06/2026	7297	82517.39
Lawrence Madden 2722 Michelson Drive Suite 100 Irvine CA 92612	Class A Common Stock	04/01/2026	7410	83536.64
Lawrence Madden 2722 Michelson Drive Suite 100 Irvine CA 92612	Class A Common Stock	04/02/2026	10131	110880.76
Lawrence Madden 2722 Michelson Drive Suite 100 Irvine CA 92612	Class A Common Stock	03/13/2026	1658	21607.39
Lawrence Madden 2722 Michelson Drive Suite 100 Irvine CA 92612	Class A Common Stock	06/05/2026	18663	228483.64
Lawrence Madden 2722 Michelson Drive Suite 100 Irvine CA 92612	Class A Common Stock	06/08/2026	14670	177479.13

144: Remarks and Signature

Remarks
Date of Notice	06/12/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Lawrence Madden
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)