STOCK TITAN

ON24 (ONTF) CFO reports full equity cash-out as $8.10-per-share merger closes

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

ON24 Inc. Chief Financial Officer Steven Vattuone reported merger-related equity transactions. On April 1, 2026, all of his ON24 common stock and stock options were disposed of back to the issuer under a completed merger.

Under the merger agreement, each outstanding ON24 common share was canceled and converted into the right to receive cash of $8.10 per share, with similar treatment for restricted stock units, except unvested RSUs remain subject to time-based vesting. Each outstanding option to purchase ON24 common stock, including options to buy 90,982 and 9,018 shares at a $13.33 exercise price, was canceled and converted into a cash right equal to $8.10 minus the option’s exercise price per share.

Positive

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Insider Vattuone Steven
Role Chief Financial Officer
Type Security Shares Price Value
Disposition Stock Options (Right to buy) 90,982 $0.00 --
Disposition Stock Options (Right to buy) 9,018 $0.00 --
Grant/Award Common Stock 79,935 $0.00 --
Disposition Common Stock 511,936 $0.00 --
Holdings After Transaction: Stock Options (Right to buy) — 0 shares (Direct); Common Stock — 511,936 shares (Direct)
Footnotes (1)
  1. Pursuant to the Agreement and Plan of Merger, dated as of December 29, 2025 (the "Merger Agreement") among the Issuer, Cvent Atlanta, LLC ("Parent"), and Summit Sub Corp. ("Merger Sub"), on April 1, 2026, Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving company and a wholly-owned subsidiary of Parent (the "Merger"). At the effective time of the Merger, each outstanding share of Issuer common stock was automatically canceled and converted into the right to receive cash in an amount equal to $8.10 per share, without interest, with similar treatment for outstanding RSUs except that unvested RSUs remain subject to time-based vesting conditions. At the effective time of the Merger, each outstanding option to purchase Issuer common stock was automatically canceled and converted into the right to receive cash in an amount equal to $8.10 less the exercise price per share of such option.
Merger cash price per share $8.10 per share Cash consideration for each outstanding ON24 common share in merger
Disposed common shares 511,936 shares Common stock disposed to issuer, total shares following transaction 0
Option grant 1 size 90,982 options Stock options to buy common stock canceled in merger
Option grant 2 size 9,018 options Additional stock options to buy common stock canceled in merger
Option exercise price $13.33 per share Exercise price for both canceled option grants
Common stock grant 79,935 shares Common stock acquired via grant/award on April 1, 2026
Option cash-out formula $8.10 minus exercise price Per-share cash right for each canceled ON24 stock option
Agreement and Plan of Merger regulatory
"Pursuant to the Agreement and Plan of Merger, dated as of December 29, 2025..."
An Agreement and Plan of Merger is a formal document where two companies agree to combine into one, outlining how the process will happen. It’s like a step-by-step plan for merging, and it matters because it shows both sides have agreed on the details before the official transition takes place.
Merger Sub regulatory
"Cvent Atlanta, LLC ("Parent"), and Summit Sub Corp. ("Merger Sub"), on April 1, 2026..."
A merger sub is a temporary, wholly owned subsidiary that an acquiring company creates to carry out a merger with another firm. Think of it as a wrapper used to combine two businesses—this can simplify legal and tax steps, isolate liabilities, and help preserve the target’s contracts or stock structure, so investors watch it because the chosen approach affects deal mechanics, shareholder votes, potential dilution, and legal or tax risk.
RSUs financial
"with similar treatment for outstanding RSUs except that unvested RSUs remain subject to time-based vesting conditions"
RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.
stock options financial
"each outstanding option to purchase Issuer common stock was automatically canceled and converted..."
Stock options are agreements that give a person the right to buy or sell a company's stock at a specific price within a certain time frame. They are often used as a reward or incentive, similar to a coupon that can be used later if the stock price rises, allowing the holder to make a profit.
Disposition to issuer financial
"transaction_code_description: "Disposition to issuer" for derivative and non-derivative entries"
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
X
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Vattuone Steven

(Last)(First)(Middle)
C/O ON24, INC.
301 HOWARD STREET, SUITE 1100

(Street)
SAN FRANCISCO CALIFORNIA 94105

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
ON24 INC. [ ONTF ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Financial Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
04/01/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock04/01/2026A79,935A$0.00511,936D
Common Stock04/01/2026D511,936D(1)0.00D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Options (Right to buy)$13.3304/01/2026D90,982 (2)12/11/2030Common Stock90,982$0.000.00D
Stock Options (Right to buy)$13.3304/01/2026D9,018 (2)12/11/2030Common Stock9,018$0.000.00D
Explanation of Responses:
1. Pursuant to the Agreement and Plan of Merger, dated as of December 29, 2025 (the "Merger Agreement") among the Issuer, Cvent Atlanta, LLC ("Parent"), and Summit Sub Corp. ("Merger Sub"), on April 1, 2026, Merger Sub merged with and into the Issuer, with the Issuer continuing as the surviving company and a wholly-owned subsidiary of Parent (the "Merger"). At the effective time of the Merger, each outstanding share of Issuer common stock was automatically canceled and converted into the right to receive cash in an amount equal to $8.10 per share, without interest, with similar treatment for outstanding RSUs except that unvested RSUs remain subject to time-based vesting conditions.
2. At the effective time of the Merger, each outstanding option to purchase Issuer common stock was automatically canceled and converted into the right to receive cash in an amount equal to $8.10 less the exercise price per share of such option.
Remarks:
/s/ Vattuone Steven by Charles Rogerson, as Attorney-in-Fact04/02/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What did ON24 (ONTF) CFO Steven Vattuone report in this Form 4?

Steven Vattuone reported merger-related equity changes. All of his ON24 common shares and stock options were canceled and converted into cash rights under the completed merger, leaving no reported remaining holdings in this filing.

What cash amount did ON24 (ONTF) common shareholders receive in the merger?

Each outstanding ON24 common share was converted into the right to receive $8.10 in cash per share. This cash payment was provided without interest as part of the merger terms described for all outstanding ON24 common stock.

How were ON24 (ONTF) stock options treated in the merger?

Each outstanding option to purchase ON24 common stock was canceled and converted into a cash right. The payment equals $8.10 minus the option’s exercise price per share, following the formula described in the merger agreement.

What happened to Steven Vattuone’s ON24 (ONTF) stock options in this filing?

Stock options covering 90,982 and 9,018 shares at a $13.33 exercise price were disposed of to the issuer. They were canceled and converted into cash rights using the $8.10-minus-exercise-price formula set out in the merger agreement.

How many ON24 (ONTF) common shares did the CFO dispose of in the merger?

The filing shows a disposition of 511,936 ON24 common shares back to the issuer. After this issuer disposition related to the merger, the reported total common shares held following the transaction is shown as zero in the Form 4 data.

What happened to ON24 (ONTF) restricted stock units (RSUs) in the merger?

Outstanding ON24 RSUs received treatment similar to common stock, tied to the $8.10 merger cash amount. However, unvested RSUs remain outstanding and subject to their original time-based vesting conditions, rather than being fully canceled at closing.