ON24 INC SEC Filings

Sahasi Jayesh, EV President, Product and CTO of ON24, Inc. (ONTF), reported two sales of common stock under a Rule 10b5-1 trading plan adopted March 4, 2025. On 09/05/2025 the reporting person sold 4,608 shares as tax-withholdings at a weighted average price of $5.5155, leaving 737,913 shares beneficially owned. On 09/08/2025 an additional 3,681 shares were sold at a weighted average price of $5.5811, leaving 734,232 shares. The sales were to satisfy withholding obligations on vested restricted stock units. The Form 4 was signed on behalf of the reporting person on 09/09/2025.

The Form 4 discloses that Blackie James, Chief Revenue Officer of ON24, Inc. (ONTF), sold shares under a pre-established Rule 10b5-1 trading plan adopted August 29, 2024. On 09/05/2025 he sold 3,770 shares at a weighted average price of $5.5155, leaving 509,082 shares beneficially owned. On 09/08/2025 he sold 3,012 shares at a weighted average price of $5.5811, leaving 506,070 shares beneficially owned. The filings state the sales were to cover tax withholding obligations related to restricted stock unit vesting and that the reported prices reflect multiple transactions within provided ranges.

ON24, Inc. (ONTF) Form 144 notice for proposed sale of common stock. The notice reports an intended sale of 20,116 shares through Morgan Stanley Smith Barney on the NYSE with an aggregate market value of $112,850.76 and an approximate sale date of 09/09/2025. The shares were acquired as Restricted Stock Units on 09/01/2025 and payment is recorded as N/A. The filer, identified in prior transactions as Steven Vattuone, sold multiple blocks totaling 21,376 shares in August and September 2025 generating gross proceeds shown per trade.

Sahasi Jayesh, EV President, Product and CTO of ON24, Inc. (ONTF), reported sales of common stock on 09/02/2025, 09/03/2025 and 09/04/2025 executed under a Rule 10b5-1 trading plan adopted March 4, 2025. The filing states the sales were made to cover tax withholding on vested restricted stock units, totaling 11,554 shares sold at weighted-average prices of approximately $5.60, $5.43 and $5.52 on the respective dates. Following these dispositions, the reporting person beneficially owns 742,521 shares of common stock. The filing is signed by an attorney-in-fact on behalf of the reporting person.

Blackie James, Chief Revenue Officer of ON24, Inc. (ONTF), reported sales of company common stock under a Rule 10b5-1 trading plan adopted August 29, 2024. The Form 4 shows three separate sales executed on 09/02/2025, 09/03/2025 and 09/04/2025 that together disposed of 9,455 shares to cover tax withholding related to restricted stock unit vesting. The reported weighted-average prices for those grouped sales are $5.6028, $5.4274 and $5.5168, respectively, with disclosed execution price ranges for each group. Beneficial ownership after the transactions is reported as 519,993 shares, then 517,444 shares, then 512,852 shares following the final sale. The Form 4 is signed on behalf of the reporting person by an attorney-in-fact on 09/04/2025.

ON24, Inc. chief financial officer Steven Vattuone reported routine sales of common stock under a pre-established trading plan to satisfy tax withholding on vested restricted stock units. The Form 4 discloses three dispositions: 3,222 shares sold on 09/02/2025 at a weighted average price of $5.6028, 3,549 shares sold on 09/03/2025 at $5.4274, and 6,394 shares sold on 09/04/2025 at $5.5168. After these transactions Vattuone beneficially owned 613,156 shares. The filing states the sales were effected pursuant to a Rule 10b5-1 plan adopted August 7, 2024, and the dispositions were to cover tax withholding related to RSU vesting.

Form 144 notice by an insider of ON24, Inc. (ONTF) reporting a proposed sale of 25,305 common shares through Morgan Stanley Smith Barney with an aggregate market value of $141,778.85. The shares were recorded as restricted stock acquired on 09/02/2025 and the approximate sale date is listed as 09/02/2025. The filing shows 42,306,290 shares outstanding for the class. It also discloses four sales by the same person in the past three months totaling 15,696 shares for gross proceeds of $86,166.61. The filer affirms no undisclosed material adverse information.

ON24, Inc. insider Steven Vattuone filed a Form 144 reporting a proposed sale of 29,475 common shares with an aggregate market value of $165,142.53. The shares are part of restricted stock acquired from the issuer on 09/02/2025, and the approximate sale date is listed as 09/02/2025. The filing shows the issuer has 42,306,290 shares outstanding and that the planned sale would occur on the NYSE.

The filing also discloses prior transactions by the same person during the past three months: cumulative sales of 44,715 shares generating gross proceeds of $245,793.82 across six trades dated from 06/03/2025 to 08/21/2025. The filer certifies no undisclosed material adverse information and notes Rule 10b5-1 trading plan language.

Form 144 notice from an insider of ON24, Inc. (ONTF) reporting a proposed sale of 26,993 shares of common stock through Morgan Stanley Smith Barney on the NYSE with an aggregate market value of $151,236.38. The filing lists the securities as restricted stock acquired on 09/02/2025 and indicates the approximate sale date as 09/02/2025. The filer also disclosed four prior small open-market sales in the past three months totaling 16,128 shares for gross proceeds of $90,707.45, with individual sale dates in June and August 2025. The notice includes the standard representation that the seller is not aware of undisclosed material adverse information.