ONTF insider buying
2 cluster buysON24 INC. · Technology
When two or more insiders at ON24 INC. buy ONTF on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in ONTF plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.
Detected clusters
- May 12 – Jun 12, 2025Detected Jun 12, 20253 insidersTotal bought$3.3MMarket cap$347.2M
- Mar 3 – Mar 14, 2025Detected Mar 14, 20253 insidersTotal bought$1.9MMarket cap$347.2M
All notable open-market buys in ONTF
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Jun 12, 2025 | Lynrock Lake LPcluster 10% Owner | 33,407 | $5.56 | $185.7K | SEC ↗ |
| Jun 10, 2025 | Lynrock Lake LPcluster 10% Owner | 47,692 | $5.65 | $269.5K | SEC ↗ |
| Jun 9, 2025 | Lynrock Lake LPcluster 10% Owner | 47,692 | $5.57 | $265.6K | SEC ↗ |
| Jun 6, 2025 | Lynrock Lake LPcluster 10% Owner | 40,283 | $5.57 | $224.4K | SEC ↗ |
| Jun 5, 2025 | LYNROCK LAKE PARTNERS LLCcluster 10% Owner | 40,283 | $5.52 | $222.4K | SEC ↗ |
| Jun 3, 2025 | LYNROCK LAKE PARTNERS LLCcluster 10% Owner | 33,425 | $5.62 | $187.8K | SEC ↗ |
| Jun 2, 2025 | Lynrock Lake LPcluster 10% Owner | 40,283 | $5.65 | $227.6K | SEC ↗ |
| May 30, 2025 | Lynrock Lake LPcluster 10% Owner | 32,519 | $5.67 | $184.4K | SEC ↗ |
| May 28, 2025 | Paul Cynthiacluster Director, 10% Owner | 32,519 | $5.49 | $178.5K | SEC ↗ |
| May 27, 2025 | Paul Cynthiacluster Director, 10% Owner | 32,519 | $5.56 | $180.8K | SEC ↗ |
| May 23, 2025 | Paul Cynthiacluster Director, 10% Owner | 27,884 | $5.44 | $151.7K | SEC ↗ |
| May 22, 2025 | Paul Cynthiacluster Director, 10% Owner | 27,884 | $5.48 | $152.8K | SEC ↗ |
| May 21, 2025 | Paul Cynthiacluster Director, 10% Owner | 27,884 | $5.43 | $151.4K | SEC ↗ |
| May 19, 2025 | LYNROCK LAKE PARTNERS LLCcluster 10% Owner | 27,884 | $5.48 | $152.8K | SEC ↗ |
| May 16, 2025 | LYNROCK LAKE PARTNERS LLCcluster 10% Owner | 24,576 | $5.52 | $135.7K | SEC ↗ |
| May 14, 2025 | Lynrock Lake LPcluster 10% Owner | 24,576 | $5.37 | $132.0K | SEC ↗ |
| May 13, 2025 | Lynrock Lake LPcluster 10% Owner | 24,576 | $5.39 | $132.5K | SEC ↗ |
| May 12, 2025 | Lynrock Lake LPcluster 10% Owner | 24,576 | $5.16 | $126.8K | SEC ↗ |
| Mar 14, 2025 | Paul Cynthiacluster Director, 10% Owner | 38,022 | $5.79 | $220.1K | SEC ↗ |
| Mar 13, 2025 | LYNROCK LAKE PARTNERS LLCcluster 10% Owner | 38,022 | $5.64 | $214.4K | SEC ↗ |
| Mar 13, 2025 | Director | 8,661 | $5.65 | $48.9K | SEC ↗ |
| Mar 12, 2025 | LYNROCK LAKE PARTNERS LLCcluster 10% Owner | 38,022 | $5.75 | $218.6K | SEC ↗ |
| Mar 11, 2025 | LYNROCK LAKE PARTNERS LLCcluster 10% Owner | 38,022 | $5.61 | $213.3K | SEC ↗ |
| Mar 11, 2025 | Director | 39 | $5.50 | $214.5 | SEC ↗ |
| Mar 10, 2025 | Lynrock Lake LPcluster 10% Owner | 38,022 | $5.56 | $211.4K | SEC ↗ |
More Technology stocks with insider cluster buys
ONTF insider buying — FAQ
- Are insiders buying ONTF stock?
- Yes — 4 distinct insiders have bought ONTF (ON24 INC.) on the open market, including 2 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Jun 13, 2025.
- How much ONTF stock have insiders bought?
- Insiders have bought a combined $5.2M of ONTF across 30 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in ONTF?
- A cluster buy is two or more distinct ON24 INC. insiders — officers, directors, or 10% owners — each buying ONTF on the open market within a rolling window. ONTF has 2 detected cluster buys to date.
- Where does this ONTF insider trading data come from?
- Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.
How we track insider buying in ONTF
We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy ONTF within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding ONTF.