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.
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A holder of ONTF common stock has filed a notice under Rule 144 to sell 80,000 shares of common stock through Morgan Stanley Smith Barney LLC on the NYSE. The filing lists an aggregate market value of $468,800 for these shares and notes that there were 42,282,395 shares outstanding of the same class. The shares to be sold were acquired on 12/01/2025 as restricted stock units from the issuer.
The notice also discloses recent selling activity for Steven Vattuone, including several sales of ONTF common stock over the prior three months under Rule 10b5-1 trading arrangements, with individual transactions such as 7,010 shares sold on 12/09/2025 and 13,510 shares sold on 12/01/2025. By signing, the seller represents that they are not aware of undisclosed material adverse information about the issuer’s operations.
ON24, Inc. disclosed that it has entered into an Agreement and Plan of Merger under which affiliates of Cvent, Inc. will acquire ON24 in an all-cash deal. A Cvent-affiliated entity, Cvent Atlanta, LLC, formed Summit Sub Corp. to merge with ON24, leaving ON24 as a wholly owned subsidiary of Cvent Atlanta after the transaction.
Under the Merger Agreement, Cvent’s affiliates have agreed to acquire all outstanding shares of ON24 common stock for $8.10 per share in cash. The transaction is subject to several conditions, including approval of ON24 stockholders and required regulatory approvals, and may be terminated under specified circumstances, some of which could require ON24 to pay a termination fee. The company highlights customary risks around completion timing, regulatory review, potential litigation, and business disruption while the deal is pending.
ON24 Inc.'s president, chief executive officer, director, and 10% owner reported an insider stock transaction. On 12/22/2025, the reporting person exercised a stock option to acquire 50,000 shares of common stock at an exercise price of $1.70 per share, coded as an option exercise (M). Following this transaction, the insider directly beneficially owned 3,672,891 shares of ON24 common stock. The underlying options were fully vested and exercisable, and after the exercise, no derivative securities from this option grant remained outstanding.
ON24 Inc. insider who is a director, 10% owner, and President and Chief Executive reported an options exercise and share sale on 12/17/2025. The reporting person exercised stock options to acquire 28,863 shares of common stock at $1.7 per share, then sold 19,119 shares at a weighted average price of $5.8249 per share in transactions ranging from $5.70 to $5.90, under a Rule 10b5-1 trading plan adopted on May 14, 2025. After these transactions, the insider directly beneficially owns 3,622,891 shares of common stock and 50,000 stock options with a $1.7 exercise price that are fully vested and exercisable and expire on 01/04/2026.
A stockholder of ONTF, SHARAT SHARAN, filed a Rule 144 notice to sell 19,119 shares of common stock on the NYSE through Morgan Stanley Smith Barney LLC Executive Financial Services, with an approximate sale date of 12/17/2025.
The shares to be sold were acquired on 12/17/2025 through the cash exercise of stock options for 19,119 shares. The notice also lists prior ONTF common stock sales by the same holder over the past three months, including 32,211 shares sold on 11/24/2025, 32,093 shares on 10/16/2025, 20,873 shares on 10/01/2025, and 29,457 shares on 09/30/2025, each with reported gross proceeds.
ON24, Inc. (ONTF) filed a Form 4 reporting an insider stock sale by its Chief Financial Officer. On December 9, 2025, the CFO sold 7,010 shares of common stock in an open-market transaction at a weighted average price of $6.0381 per share, with individual sales ranging from $6.01 to $6.07. After this transaction, the reporting person beneficially owned 532,654 shares of ON24 common stock. The filing states that the sale was made under a Rule 10b5-1 trading plan adopted on September 12, 2024, which is a pre-arranged plan intended to allow insiders to sell shares according to preset terms.
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.
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.
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.
ON24, Inc. reported that Chief Revenue Officer Blackie James sold small amounts of company stock in early
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