[144] ON24, Inc. SEC Filing

Rhea-AI Filing Summary

ON24, Inc. (ticker ONTF) has filed a Form 144 indicating that insider Sharat Sharan intends to sell 61,467 common shares on or about 30 June 2025 through Morgan Stanley Smith Barney on the NYSE. The shares have an aggregate market value of $336,009 and represent roughly 0.14 % of the company’s 42.48 million shares outstanding.

The filing also discloses that, during the prior three months, the same insider sold an additional 152,522 shares for total gross proceeds of $806,017. Combined with the proposed sale, insider dispositions over the four-month window would reach 214 k shares, or about 0.5 % of outstanding equity.

Form 144 notices are routine compliance documents and do not obligate the insider to complete the sale, but they can signal personal liquidity moves or sentiment. Given the modest percentage of shares involved, the transaction is unlikely to create significant market overhang; however, continued insider selling may be monitored by investors for potential sentiment implications.

Positive

• Sale represents only 0.14 % of outstanding shares, limiting dilution or price pressure.
• Transparent disclosure under Form 144 allows investors to track insider activity in real time.

Negative

• Continued insider selling—214 k shares in four months—could be interpreted as lower management confidence.
• No accompanying business update leaves market to speculate on motive behind disposals.

Insights

Securities Analyst

TL;DR—Routine Form 144; small size vs float, limited valuation impact.

The proposed sale equals 0.14 % of shares outstanding and follows 152 k shares sold recently. While insider activity can raise eyebrows, the volumes remain immaterial relative to the float and daily trading volume, suggesting negligible supply shock. No operational data or guidance accompanies the filing, so the investment thesis on ONTF should remain driven by fundamentals instead of this administrative disclosure.

Corporate Governance Expert

TL;DR—Continued insider selling may convey mildly negative optics.

Sharan’s cumulative 214 k-share disposal over four months could be perceived as waning executive conviction, especially absent parallel insider purchases. Although a possible 10b5-1 plan mitigates governance concern, investors typically view serial sales by a key executive as a soft negative signal until contextualized by compensation or diversification needs.

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	61467	336009.36	42475166	06/30/2025	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	06/30/2025	Restricted Stock	Issuer			61467	06/30/2025	Not Applicable

* 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
SHARAT SHARAN 50 Beale Street 8th Floor San Francisco CA 94105	Common	06/17/2025	37527	202180.47
SHARAT SHARAN 50 Beale Street 8th Floor San Francisco CA 94105	Common	05/23/2025	6369	34507.24
SHARAT SHARAN 50 Beale Street 8th Floor San Francisco CA 94105	Common	05/22/2025	31305	170170.85
SHARAT SHARAN 50 Beale Street 8th Floor San Francisco CA 94105	Common	04/17/2025	3529	16029.78
SHARAT SHARAN 50 Beale Street 8th Floor San Francisco CA 94105	Common	04/16/2025	34596	157941.12
SHARAT SHARAN 50 Beale Street 8th Floor San Francisco CA 94105	Common	03/31/2025	39196	205187.14

144: Remarks and Signature

Remarks

Date of Notice

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

How many ONTF shares does Sharat Sharan plan to sell?

The Form 144 lists 61,467 common shares slated for sale on 30 June 2025.

What is the market value of the proposed ON24 insider sale?

The aggregate market value is $336,009 based on the filing figures.

How much has the insider already sold in the last three months?

Previous sales total 152,522 shares with gross proceeds of $806,017.

What percentage of ON24's outstanding shares does the new sale represent?

Approximately 0.14 % of the 42.48 million shares outstanding.

Does a Form 144 guarantee that the shares will be sold?

No. Form 144 is a notice of intent; the insider may choose not to execute the sale.