ON24 INC. — Director's Dealing 2025

Oct 20, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ON24 INC. (ONTF)
CIK: 0001110611
Period of Report: 2025-10-16

Reporting Person: Sharan Sharat (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-10-16	Common Stock	M	53459.00	$0.89	Acquired	3623992.00	Direct
2025-10-16	Common Stock	S	32093.00	$5.4507	Disposed	3591899.00	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-10-16	Stock Option (Right to Buy)	$0.89	M	53459.00	Disposed	2026-01-04	Common Stock (53459.00)	Direct

Footnotes

F1: The transaction reported in this Form 4 was effected pursuant to a Rule 10B5-1 trading plan adopted by the reporting person on May 14, 2025.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $5.32 to $5.61 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.

F3: The options are fully vested and exercisable.