STOCK TITAN

ON24 INC SEC Filings

ONTF NYSE

Welcome to our dedicated page for ON24 SEC filings (Ticker: ONTF), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.

The ON24, Inc. (ONTF) SEC filings page on Stock Titan provides access to the company’s official regulatory disclosures as filed with the U.S. Securities and Exchange Commission. These documents offer detailed information about ON24’s business as a software publisher in the information sector, its AI-enabled intelligent engagement platform, and material corporate events that affect shareholders.

Among the key filings for ON24 are current reports on Form 8-K. For example, ON24 has filed 8-Ks to report quarterly financial results, including revenue and other performance metrics, and to furnish the related earnings press releases. These filings give investors insight into the company’s subscription and professional services revenue, operating results, and non-GAAP measures, as well as management’s discussion of strategic priorities such as AI-driven initiatives and focus on regulated industries.

ON24 has also filed 8-Ks describing material events related to strategic alternatives and merger activity. One Form 8-K outlines that the company received indications of interest for a potential acquisition and that its board was evaluating those indications with a financial advisor. A subsequent Form 8-K details the Agreement and Plan of Merger with Cvent Atlanta, LLC and Summit Sub Corp., under which Summit Sub Corp. will merge with and into ON24 and ON24 will become a wholly owned subsidiary of the Cvent affiliate. The filing explains that all outstanding shares of ON24 common stock are to be acquired for cash, and that, upon completion, ON24’s common stock is expected to no longer be publicly listed, subject to shareholder approval, regulatory clearances, and other conditions.

In addition, ON24’s SEC filings include information about annual meetings of stockholders, voting results, and matters such as the ratification of the company’s independent registered public accounting firm. These disclosures help investors understand corporate governance decisions and shareholder actions.

On Stock Titan, ON24’s SEC filings are updated as new documents are posted to the SEC’s EDGAR system. AI-powered summaries can help explain the significance of filings such as Form 8-K, annual reports on Form 10-K, quarterly reports on Form 10-Q, and proxy-related materials, highlighting sections on business description, risk factors, financial performance, and the terms of the proposed merger. Users can also review filings that discuss non-GAAP financial measures and definitions of key metrics such as Annual Recurring Revenue (ARR), as provided by ON24 in its reports.

Rhea-AI Summary

ON24 Inc. Chief Financial Officer Steven Vattuone sold 3,429 shares of common stock at a weighted average price of $8.0656 per share. The shares were sold to cover tax withholding obligations tied to vesting restricted stock units and were executed under a pre-arranged Rule 10b5-1 trading plan. After this transaction, he directly holds 432,001 ON24 shares.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
0.37%
Tags
insider
-
Rhea-AI Summary

ON24 Inc. President and CEO Sharat Sharan reported an open-market sale of 17,171 shares of Common Stock at a weighted average price of $8.0656 per share. The shares were sold pursuant to a Rule 10b5-1 trading plan and to cover tax withholding obligations tied to restricted stock unit vesting. Following this transaction, he directly holds 3,718,512 shares of ON24 common stock.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
0.37%
Tags
insider
-
Rhea-AI Summary

Reporting person Jayesh Sahasi reported sales of Common Stock. The filing lists three dispositions: 34,753 shares on 12/30/2025 for $277,433.20, 250 shares on 02/10/2026 for $1,982.85, and 21,617 shares on 03/02/2026 for $173,182.43.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
-- %
Tags
other
Rhea-AI Summary

The filing discloses proposed and recent sales of Common stock by an affiliate. It lists a proposed sale of 3,429 performance shares on 03/20/2026. It also reports recent sales by Steven Vattuone on 12/30/2025 through 03/03/2026, including 80,000 shares for $638,744.00 on 12/30/2025 and smaller disposals of 22,884, 22,013, 422, and 325 shares with the dollar proceeds shown in the table.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
-- %
Tags
other
-
Rhea-AI Summary

Morgan Stanley Smith Barney LLC submitted a Form 144 reporting an intended sale of 17,171 common shares described as Performance Shares with an effective date of 03/20/2026.

The filing also lists recent sales by Sharat Sharan: 15,679 shares on 03/02/2026 ($125,610.74), 2,310 shares on 02/10/2026 ($18,321.53), and 50,332 shares on 12/31/2025 ($401,141.01).

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
-- %
Tags
other
-
Rhea-AI Summary

Morgan Stanley Smith Barney LLC filed a Rule 144 notice reporting proposed sales of Common stock classified as Performance Shares with a listed quantity of 3,117 shares and an effective date of 03/20/2026. The filing also itemizes recent open-market dispositions by James Blackie: 20,277 shares on 03/02/2026, 240 shares on 02/10/2026, and 16,000 shares on 12/30/2025, each with the dollar proceeds shown in the excerpt.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
-- %
Tags
other
Rhea-AI Summary

ON24, Inc. reports shareholder litigation related to its planned merger with Cvent Atlanta’s affiliate and issues supplemental proxy disclosures ahead of the March 26, 2026 special meeting. Two stockholders filed suits in New York seeking to block or alter the merger, claiming the original proxy omitted material information.

ON24 believes these claims are without merit but is voluntarily expanding its disclosures to reduce delay risk. New details cover non-disclosure agreements (clarifying there were no post-signing “don’t-ask don’t-waive” provisions), the absence of pre-signing employment or participation talks for management, and added specificity around Goldman Sachs’ fairness opinion.

The filing outlines ON24’s cash and fully diluted share assumptions, valuation ranges per share, and peer transaction and trading multiples used in the analysis. It also discloses long-term financial projections through 2035, including revenue, margins, operating expenses, stock-based compensation and unlevered free cash flow, and reiterates extensive forward‑looking statement and merger‑completion risks.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
-- %
Tags
current report
-
Rhea-AI Summary

ON24, Inc. reports its annual business overview, highlighting a cloud-based intelligent engagement platform that helps B2B sales and marketing teams run interactive webinars, virtual events and personalized content experiences, increasingly powered by AI through its ACE analytics and content engine.

The company serves 1,539 customers across technology, financial services, life sciences, manufacturing and professional services, with no single customer contributing more than 10% of revenue and about 20% of the Fortune 500 as customers as of December 31, 2025.

ON24 notes that revenue declined 6% in 2025 versus 2024 after strong growth in 2020–2021, reflecting weaker marketing budgets, a shift back to in‑person events and intense competition. Management is emphasizing core, higher-margin products and de‑emphasizing its large managed virtual conference service.

The report also discloses a proposed merger under a December 29, 2025 Merger Agreement with Cvent Atlanta, LLC and Summit Sub Corp., under which Summit Sub would merge into ON24 and ON24 would become a wholly owned subsidiary of the parent, subject to the risks detailed in its Risk Factors.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
-- %
Tags
annual report
-
Rhea-AI Summary

ON24 Inc. Chief Financial Officer Steven Vattuone sold 22,013 shares of ON24 common stock in an open-market transaction on March 3, 2026, at a weighted average price of $8.0325 per share. The shares were sold under a pre-arranged Rule 10b5-1 trading plan adopted on September 12, 2024, and he held 435,430 shares directly after the sale. The sale price reflected multiple trades between $8.03 and $8.04 per share.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
-- %
Tags
insider
Rhea-AI Summary

ONTF insider sells reported by Steven Vattuone. The filing lists multiple 10b5-1 sales and restricted stock unit activity, including reported sales of 22,884 shares for $183,332.88 on 03/02/2026 and prior sales such as 80,000 shares for $638,746.00 on 12/30/2025. The transactions are presented as individual dispositions under Rule 144 and 10b5-1 plans.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
-- %
Tags
other

FAQ

How many ON24 (ONTF) SEC filings are available on StockTitan?

StockTitan tracks 131 SEC filings for ON24 (ONTF), including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, and Form 4 insider trading disclosures. Each filing includes AI-generated summaries, impact scoring, and sentiment analysis.

When was the most recent SEC filing for ON24 (ONTF)?

The most recent SEC filing for ON24 (ONTF) was filed on March 24, 2026.