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ON24 INC SEC Filings

ONTF NYSE

Welcome to our dedicated page for ON24 SEC filings (Ticker: ONTF), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.

The ON24, Inc. (ONTF) SEC filings page on Stock Titan provides access to the company’s official regulatory disclosures as filed with the U.S. Securities and Exchange Commission. These documents offer detailed information about ON24’s business as a software publisher in the information sector, its AI-enabled intelligent engagement platform, and material corporate events that affect shareholders.

Among the key filings for ON24 are current reports on Form 8-K. For example, ON24 has filed 8-Ks to report quarterly financial results, including revenue and other performance metrics, and to furnish the related earnings press releases. These filings give investors insight into the company’s subscription and professional services revenue, operating results, and non-GAAP measures, as well as management’s discussion of strategic priorities such as AI-driven initiatives and focus on regulated industries.

ON24 has also filed 8-Ks describing material events related to strategic alternatives and merger activity. One Form 8-K outlines that the company received indications of interest for a potential acquisition and that its board was evaluating those indications with a financial advisor. A subsequent Form 8-K details the Agreement and Plan of Merger with Cvent Atlanta, LLC and Summit Sub Corp., under which Summit Sub Corp. will merge with and into ON24 and ON24 will become a wholly owned subsidiary of the Cvent affiliate. The filing explains that all outstanding shares of ON24 common stock are to be acquired for cash, and that, upon completion, ON24’s common stock is expected to no longer be publicly listed, subject to shareholder approval, regulatory clearances, and other conditions.

In addition, ON24’s SEC filings include information about annual meetings of stockholders, voting results, and matters such as the ratification of the company’s independent registered public accounting firm. These disclosures help investors understand corporate governance decisions and shareholder actions.

On Stock Titan, ON24’s SEC filings are updated as new documents are posted to the SEC’s EDGAR system. AI-powered summaries can help explain the significance of filings such as Form 8-K, annual reports on Form 10-K, quarterly reports on Form 10-Q, and proxy-related materials, highlighting sections on business description, risk factors, financial performance, and the terms of the proposed merger. Users can also review filings that discuss non-GAAP financial measures and definitions of key metrics such as Annual Recurring Revenue (ARR), as provided by ON24 in its reports.

Rhea-AI Summary

ON24 (ONTF) filed a Form 144 notice for a planned insider stock sale. The filing covers a proposed sale of 7,010 shares of ON24 common stock on the NYSE through Morgan Stanley Smith Barney LLC, with an aggregate market value of $42,480.60 at the time of the notice.

The shares to be sold were acquired as restricted stock units on December 1, 2025. The filing also lists recent insider selling activity by Steven Vattuone over the past three months under both 10b5-1 trading plans and discretionary trades, including 26,264 common shares sold on December 1, 2025 for gross proceeds of $149,161.14 and 9,453 shares sold on December 3, 2025 for $55,105.32.

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Rhea-AI Summary

ON24, Inc. Chief Financial Officer Steven Vattuone reported open-market sales of ON24 common stock in early December 2025. On December 1, 2025, he sold 13,510 shares at a weighted average price of $5.6951, and on December 2, 2025 he sold 12,754 shares at a weighted average price of $5.6626. On December 3, 2025, he sold an additional 9,453 shares at a weighted average price of $5.8294. The filing states that some of these shares were sold to cover tax withholding tied to restricted stock unit vesting and that transactions on December 1 and December 3 were executed under Rule 10b5-1 trading plans adopted in August and September 2024. Following these sales, Vattuone directly beneficially owns 539,664 ON24 shares.

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Rhea-AI Summary

ON24, Inc. reported insider share sales by an executive officer. The Executive Vice President, Product and Chief Technology Officer sold 12,372 shares of ON24 common stock on 12/01/2025 at a weighted average price of $5.6951 and 11,681 shares on 12/02/2025 at a weighted average price of $5.6626. After these transactions, the officer beneficially owned 718,961 shares and 707,280 shares, respectively, held directly.

The sales were made under a Rule 10b5-1 trading plan adopted on March 4, 2025 and represent shares sold to cover tax withholding obligations related to the vesting of restricted stock units. The prices reported reflect weighted averages across multiple trades within disclosed price ranges.

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Rhea-AI Summary

ON24, Inc. reported that Chief Revenue Officer Blackie James sold small amounts of company stock in early December 2025. On December 1, 2025, he sold 11,599 shares of common stock at a weighted average price of $5.6951 per share, and on December 2, 2025, he sold 10,951 shares at a weighted average price of $5.6626 per share. After these transactions, he beneficially owned 478,861 shares of ON24 common stock. The filing explains that the sales were made under a Rule 10b5‑1 trading plan adopted on August 29, 2024 and that the shares were sold to cover tax withholding obligations related to vesting restricted stock units, rather than as open‑market discretionary sales.

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Rhea-AI Summary

ON24 insider Steven Vattuone has filed a notice to sell 9,453 shares of ON24 common stock under Rule 144. The shares, acquired as restricted stock units on 12/01/2025, have an aggregate market value of 53,409.45. The planned sale is through Morgan Stanley Smith Barney LLC on the NYSE, with an approximate sale date of 12/03/2025.

ON24 had 42,282,395 common shares outstanding at the time referenced. Over the past three months, Vattuone has reported several sales of ON24 common stock, including 26,264 shares sold on 12/01/2025 for gross proceeds of 149,161.14 and 20,116 shares sold on 09/09/2025 for 111,494.94.

By signing the notice, the seller represents that he does not know of any undisclosed material adverse information about ON24’s current or prospective operations.

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Filing
Rhea-AI Summary

ONTF has a planned sale of restricted common stock under Rule 144. The notice covers 25,307 common shares to be sold through Morgan Stanley Smith Barney LLC, with an aggregate market value of $143,490.69. These shares are part of an outstanding total of 42,282,395 common shares, and the approximate sale date listed is 12/01/2025 on the NYSE.

The seller acquired 25,307 restricted common shares from the issuer on 12/01/2025, with the consideration described as not applicable. The notice also lists prior sales over the past three months by James Blackie, including multiple sales of ONTF common shares between 09/02/2025 and 11/20/2025 with individual gross proceeds ranging from about $12,964.88 to $25,333.15.

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Rhea-AI Summary

ONTF received a Rule 144 notice for a planned insider sale of common stock. The seller intends to sell 26,994 common shares through Morgan Stanley Smith Barney LLC on the NYSE around 12/01/2025, with an aggregate market value of $153,055.98. The issuer has 42,282,395 common shares outstanding.

The securities were acquired as restricted stock from the issuer on 12/01/2025, with the full amount of 26,994 shares to be sold. Over the prior three months, the same seller, Jayesh Sahasi of San Francisco, completed several open-market sales of common stock, including 4,099 shares for $21,715.68 on 11/20/2025 and 5,612 shares for $30,960.28 on 09/04/2025.

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Filing
Rhea-AI Summary

ONTF insider files notice to sell restricted shares under Rule 144. A holder of ON24, Inc. common stock submitted a Form 144 covering the planned sale of 29,475 common shares through Morgan Stanley Smith Barney LLC on the NYSE. The shares to be sold have an aggregate market value of 167,123.25, and the issuer has 42,282,395 common shares outstanding.

The seller acquired these 29,475 shares as restricted stock from the issuer on 12/01/2025, with the same date listed for payment. Over the prior three months, the same individual sold multiple blocks of ONTF common stock, including 20,116 shares on 09/09/2025 for gross proceeds of 111,494.94. The signer represents that they are not aware of any undisclosed material adverse information about the company’s current or prospective operations.

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Rhea-AI Summary

ON24, Inc. (ONTF) reported an insider transaction by its President, Chief Executive Officer, Director, and 10% owner. On 11/24/2025, the insider exercised a stock option and acquired 53,459 shares of common stock at an exercise price of $0.89 per share. On the same day, the insider sold 32,211 shares of common stock in open-market transactions at a weighted average price of $5.3033 per share, with individual trades ranging from $5.23 to $5.425.

The transactions were made pursuant to a Rule 10b5-1 trading plan adopted on May 14, 2025, which is designed to provide an affirmative defense for pre-arranged trading. After these transactions, the insider beneficially owns 3,613,147 shares of ON24 common stock directly and holds no derivative securities from this option, which is now fully exercised and was fully vested and exercisable.

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Rhea-AI Summary

ON24, Inc. (ONTF) filed a Form 4 reporting stock sales by its chief financial officer, Steven Vattuone. On 11/20/2025, he sold 4,392 shares of common stock at a weighted average price of $5.2978, leaving him with 579,202 shares beneficially owned. On 11/24/2025, he sold an additional 3,821 shares at a weighted average price of $5.2843, after which he held 575,381 shares.

The filing states that both transactions were effected under separate Rule 10b5-1 trading plans adopted on August 7, 2024 and September 12, 2024. It also explains that some of the shares sold were to cover tax withholding obligations related to the vesting of restricted stock units, and that the reported prices reflect weighted averages across multiple trades within disclosed price ranges.

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FAQ

How many ON24 (ONTF) SEC filings are available on StockTitan?

StockTitan tracks 132 SEC filings for ON24 (ONTF), including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, and Form 4 insider trading disclosures. Each filing includes AI-generated summaries, impact scoring, and sentiment analysis.

When was the most recent SEC filing for ON24 (ONTF)?

The most recent SEC filing for ON24 (ONTF) was filed on December 9, 2025.