X0508 4 2024-12-10 false 0001110611 ON24 INC. ONTF 0001841662 Sahasi Jayesh C/O ON24, INC. 50 BEALE STREET, 8TH FLOOR SAN FRANCISCO CA 94015 false true false false EV President, Product and CTO true Common Stock 2024-12-10 4 S false 100.00 7.00 D 697192.00 D Common Stock 2024-12-11 4 S false 100.00 7.00 D 697092.00 D Common Stock 2024-12-12 4 S false 5047.00 7.0006 D 692045.00 D The transaction reported in this Form 4 was effected pursuant to a Rule 10B5-1 trading plan adopted by the reporting person on March 15, 2024 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $7.0000 to $7.0100 inclusive. The reporting person undertakes to provide to Issuer, any security holder of Issuer, or the staff of the Security and Exchange Commission, upon request, full information regarding the number of shares sold in each separate price within the ranges set forth in footnote (2) to this Form 4. /s/ Sahasi Jayesh by Charles Rogerson, as Attorney-in-Fact 2024-12-12