[144] ON24 INC. SEC Filing

Rhea-AI Filing Summary

An affiliate of ONTF has filed a Form 144 notice to sell up to 32,211 shares of common stock through Morgan Stanley Smith Barney LLC on the NYSE, with an indicated aggregate market value of $175,227.84. The notice states that 42,282,395 shares of this class were outstanding. These shares were acquired on 11/24/2025 by exercising stock options for cash.

The seller, identified as Sharat Sharan, also reports several recent sales of ONTF common stock during the prior three months, including 32,093 shares on 10/16/2025 for gross proceeds of $174,929.32, and additional blocks of 20,873, 29,457, and 32,159 shares on earlier dates. Some of these trades are designated as Rule 10b5-1 sales under a pre-arranged trading plan.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

Relationship to Issuer

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	32211	175227.84	42282395	11/24/2025	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	11/24/2025	Exercise of Stock Options	Issuer			32211	11/24/2025	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
10b5-1 Sales for SHARAT SHARAN 301 Howard Street, Suite 1100 San Francisco CA 94105	Common	10/16/2025	32093	174929.32
SHARAT SHARAN 301 Howard Street, Suite 1100 San Francisco CA 94105	Common	10/01/2025	20873	116986.90
SHARAT SHARAN 301 Howard Street, Suite 1100 San Francisco CA 94105	Common	09/30/2025	29457	169012.48
10b5-1 Sales for SHARAT SHARAN 301 Howard Street, Suite 1100 San Francisco CA 94105	Common	09/16/2025	32159	178501.75

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the ONTF Form 144 filing disclose about planned share sales?

The Form 144 filing for ONTF discloses an intent by a shareholder to sell up to 32,211 shares of common stock, with an indicated aggregate market value of $175,227.84, on the NYSE through Morgan Stanley Smith Barney LLC.

How many ONTF shares are reported as outstanding in this Form 144?

The notice states that there were 42,282,395 shares of ONTF common stock outstanding at the time referenced in the filing.

How were the ONTF shares in this Form 144 acquired by the seller?

The 32,211 shares covered by this Form 144 were acquired on 11/24/2025 through an exercise of stock options from the issuer, with the purchase price paid in cash.

Who is the selling security holder in the ONTF Form 144 filing?

The filing identifies the selling security holder as Sharat Sharan, with a listed address at 301 Howard Street, Suite 1100, San Francisco, CA 94105.

What recent ONTF share sales by the filer are reported in the last 3 months?

The notice lists several ONTF common stock sales in the prior three months, including 32,093 shares on 10/16/2025 for $174,929.32, 20,873 shares on 10/01/2025 for $116,986.90, 29,457 shares on 09/30/2025 for $169,012.48, and 32,159 shares on 09/16/2025 for $178,501.75.

Are any of the ONTF share sales under a Rule 10b5-1 trading plan?

Yes. The filing labels certain transactions as "10b5-1 Sales for SHARAT SHARAN", indicating that some of the reported ONTF share sales were executed under a pre-arranged Rule 10b5-1 trading plan.

What representation does the ONTF Form 144 filer make about inside information?

By signing the notice, the person for whose account the securities are to be sold represents that they do not know any material adverse information about the issuer’s current or prospective operations that has not been publicly disclosed.