X0407 4 2023-06-09 false 0001110611 ON24 INC. ONTF 0001192391 FEDERMAN IRWIN C/O ON24, INC. 50 BEALE STREET, 8TH FLOOR SAN FRANCISCO CA 94015 true false false false false Common Stock 16900.00 D Stock Options (Right to buy) 10.09 2030-10-11 Common Stock 110834.00 110834.00 D The Reporting Person is voluntarily restating his holdings in light of the $1.09 special dividend declared on May 8, 2023, payable on or about June 15,2023, to stockholders of record as of the close of business on May 22, 2023. Pursuant to antidilution provisions, the previously awarded restricted stock units ("RSUs") with 14,586 shares outstanding were automatically adjusted to represent RSUs to acquire 16,900 shares, as reflected herein. There were no other changes to the RSUs. 100% of the RSUs will vest on June 10, 2023. Pursuant to antidilution provisions, the exercise price of $11.18 per share of the previously awarded options were automatically adjusted to $10.09 per share, as reflected herein. There were no other changes to the options. The options vested with respect to 1/48th of such shares on November 12, 2020, with 1/48th of such shares vesting thereafter at the end of each full month of continuous service until fully vested. /s/ FEDERMAN IRWIN by Charles Rogerson, as Attorney-in-Fact 2023-06-09