Lynrock Lake LP - 01 Apr 2026 Form 4 Insider Report for ON24 INC. (ONTF)

Reporting relationship: 10%+ Owner
Issuer ticker: ONTF
Reported as of: 01 Apr 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Apr 2026, 18:35:08 UTC
Prior SEC filing: 13 Feb 2026
Source filing: View source filing
Reporting owner signature: Lynrock Lake LP, By: Lynrock Lake Partners LLC, its General Partner, By: /s/ Cynthia Paul, Sole Member

Key filing fact

Lynrock Lake LP filed Form 4 for ON24 INC. (ONTF) on 02 Apr 2026.

Key facts

This page summarizes Lynrock Lake LP's Form 4 filing for ON24 INC. (ONTF).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 02 Apr 2026, 18:35.

Change

Previous filing in this sequence was filed on 13 Feb 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (3)

CIK 0001734341 Primary reporting owner

Lynrock Lake LP

Relationship: 10%+ Owner
Address: 2 INTERNATIONAL DRIVE, SUITE 130, RYE BROOK
Signature: Lynrock Lake LP, By: Lynrock Lake Partners LLC, its General Partner, By: /s/ Cynthia Paul, Sole Member
Signature date: 02 Apr 2026

CIK 0001771092

LYNROCK LAKE PARTNERS LLC

Relationship: 10%+ Owner
Address: C/O LYNROCK LAKE LP, 2 INTERNATIONAL DRIVE, SUITE 130, RYE BROOK
Signature: Lynrock Lake Partners LLC, By: /s/ Cynthia Paul, Sole Member
Signature date: 02 Apr 2026

CIK 0001736572

Paul Cynthia

Relationship: Director, 10%+ Owner
Address: C/O LYNROCK LAKE LP, 2 INTERNATIONAL DRIVE, SUITE 130, RYE BROOK
Signature: /s/ Cynthia Paul
Signature date: 02 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ONTF transaction

Common Stock

Disposed to Issuer

Transaction value
Shares: -141,095
Change %: -100%
Price: $8.10^*
Shares after: 0
Date: 01 Apr 2026
Ownership: Direct
Footnotes: F1

ONTF transaction

Common Stock

Disposed to Issuer

Transaction value
Shares: -141,095
Change %: -100%
Price: $8.10^*
Shares after: 0
Date: 01 Apr 2026
Ownership: Direct
Footnotes: F1

ONTF transaction

Common Stock

Disposed to Issuer

Transaction value
Shares: -141,095
Change %: -100%
Price: $8.10^*
Shares after: 0
Date: 01 Apr 2026
Ownership: Direct
Footnotes: F1

ONTF transaction

Common Stock

Disposition pursuant to a tender of shares in a change of control transaction

Transaction value
Shares: -8,293,974
Change %: -100%
Price: $8.10^*
Shares after: 0
Date: 01 Apr 2026
Ownership: By Fund
Footnotes: F1, F2

ONTF transaction

Common Stock

Disposition pursuant to a tender of shares in a change of control transaction

Transaction value
Shares: -8,293,974
Change %: -100%
Price: $8.10^*
Shares after: 0
Date: 01 Apr 2026
Ownership: By Fund
Footnotes: F1, F2

ONTF transaction

Common Stock

Disposition pursuant to a tender of shares in a change of control transaction

Transaction value
Shares: -8,293,974
Change %: -100%
Price: $8.10^*
Shares after: 0
Date: 01 Apr 2026
Ownership: By Fund
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Section 16 status

Lynrock Lake LP is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 2 footnotes

Footnote F1

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.

Footnote F2

Shares are held directly by Lynrock Lake Master Fund LP ("Lynrock Fund"). The investment manager and general partner of Lynrock Fund are Lynrock Lake LP ("Lynrock") and Lynrock Lake Partners LLC ("Lynrock GP"), respectively, and each may be deemed to beneficially own the shares held by Lynrock Fund. Cynthia Paul is the Chief Investment Officer of Lynrock and Sole Member of Lynrock GP and may be deemed to beneficially own the shares held by Lynrock Fund. Each of Lynrock, Lynrock GP and Ms. Paul disclaims beneficial ownership in these shares except to the extent of its or her respective pecuniary interest therein.