ON24 INC SEC Filings

Insider transactions by ON24, Inc. (ONTF): The reporting person, Sharan Sharat (President, CEO, Director and >10% owner), executed transactions on 09/16/2025 under a Rule 10b5-1 plan adopted May 14, 2025. Mr. Sharat exercised stock options with an exercise price of $0.89 to acquire 53,459 shares, increasing option-based common shares underlying to 106,918. He also sold 32,159 shares in multiple trades at a weighted average price of $5.5506 per share, with sale prices ranging between $5.46 and $5.62. Following these transactions, he beneficially owned 3,620,863 shares.

ON24, Inc. (ONTF) filing a Form 144 notifies a proposed sale of 32,159 shares of common stock through Morgan Stanley Smith Barney LLC on 09/16/2025, with an aggregate market value of $177,196.09. The shares were acquired the same day, 09/16/2025, by exercising stock options and payment was in cash. The filing reports 42,306,290 shares outstanding for the issuer. The filer also disclosed four sales in the past three months totaling 174,760 shares for gross proceeds of $918,404.04, including 10b5-1 plan trades and an unrestricted sale. The notice includes the sellers representation that they are unaware of any undisclosed material adverse information.

Steven Vattuone, Chief Financial Officer of ON24, Inc. (ONTF), reported sales of common stock under Rule 10b5-1 plans. The Form 4 shows sales on 09/05/2025 (5,251 shares at a weighted average price of $5.5155), 09/08/2025 (4,195 shares at $5.5811) and 09/09/2025 (20,116 shares at $5.5426). The filings state the first set of sales were made under a 10b5-1 plan adopted August 7, 2024, and the later sales under a plan adopted September 12, 2024. The 09/05 and 09/08 sales were executed to cover tax withholding obligations tied to RSU vesting. After these transactions the reporting person’s beneficial ownership is reported as 583,594 shares. The Form 4 was signed by an attorney-in-fact on 09/09/2025.

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.