ONTF insider buying – On24 Inc.
20 insider purchases since 2016 worth $14.8M by 9 different insiders. Last 12 months: 0 purchases, $0. Most recent filing: 2025-06-13.
Same time range as the chart above - each mark sits under the week of the trade. Circles = purchases (height = price paid, size = amount), red triangles = open-market sales of $50k+. Prices as reported, not adjusted for later stock splits. 3 older purchases (before the 5-year window) are listed in the table below.
Purchases are open-market buys (SEC Form 4, code "P") - insiders paying with their own money. Sales are open-market sales (code "S") of $50,000 or more; many sales are pre-planned (Rule 10b5-1) or made for taxes and diversification. Each row links to the original filing.
Bought, sold, still holding?
| Insider | Bought | First / last buy | Sold since 2016 | Holds now* | Status |
|---|---|---|---|---|---|
| SPECIAL SITUATIONS INVESTING GROUP II, LLC 10% Owner | $7.3M 2× · 98,278 sh | 2021-02-03 2021-02-03 | 4× · $24.2M last 2021-11-16 | 3,954,575 shares as of 2021-11-18 | Sold part |
| Lynrock Lake LP Director | $2.4M 5× · 426,442 sh | 2025-03-06 2025-06-11 | – | 8,369,807 shares as of 2025-06-13 | Holds - never sold |
| LYNROCK LAKE PARTNERS LLC Director | $1.9M 4× · 336,968 sh | 2025-03-03 2025-06-03 | – | 8,233,997 shares as of 2025-06-05 | Holds - never sold |
| Paul Cynthia Director | $1.1M 3× · 200,805 sh | 2025-03-14 2025-05-23 | – | 0 shares as of 2026-04-02 | Sold everything |
| Sharan Sharat CEO | $769,279 2× · 38,200 sh | 2021-08-24 2021-11-16 | 39× · $15.5M last 2026-03-20 | 0 shares as of 2026-04-02 | Sold everything |
| ZWARENSTEIN BARRY Director | $511,250 1× · 25,000 sh | 2021-08-20 2021-08-20 | – | 0 shares as of 2026-04-02 | Sold everything |
| Trempont Dominique Director | $509,250 1× · 25,000 sh | 2021-08-18 2021-08-18 | 3× · $632,978 last 2024-08-15 | 0 shares as of 2026-04-02 | Sold everything |
| Tansey Casey M 10% Owner | $250,000 1× · 5,000 sh | 2021-02-05 2021-02-05 | – | 7,680,423 shares as of 2021-02-05 | Holds - never sold |
| Arora Anil Director | $49,149 1× · 8,700 sh | 2025-03-11 2025-03-11 | – | 0 shares as of 2026-04-02 | Sold everything |
* Shares held after the insider's most recent SEC filing for this company (all share classes, direct and indirect). If an insider stops filing, later changes are not known.
Insider buying and selling by year
| Year | Purchases | Bought | Buyers | Sales | Sold |
|---|---|---|---|---|---|
| 2026 | 0 | – | – | 10 | $2.4M |
| 2025 | 13 | $5.4M | 4 | 35 | $6.0M |
| 2024 | 0 | – | – | 35 | $5.0M |
| 2023 | 0 | – | – | 23 | $4.3M |
| 2022 | 0 | – | – | 6 | $4.0M |
| 2021 | 7 | $9.3M | 5 | 24 | $111.6M |
Insider purchases
| Filed | Insider | Role | Shares | Avg price | Value | Holdings | Filing |
|---|---|---|---|---|---|---|---|
| 2025-06-13 | Lynrock Lake LP | Director | 33,550 | $5.56 | $186,529 | +0.4% | SEC |
| 2025-06-10 | Lynrock Lake LP | Director | 135,667 | $5.60 | $759,481 | +1.7% | SEC |
| 2025-06-05 | LYNROCK LAKE PARTNERS LLC | Director | 73,708 | $5.57 | $410,211 | +0.9% | SEC |
| 2025-06-02 | Lynrock Lake LP | Director | 89,633 | $5.65 | $506,740 | +1.1% | SEC |
| 2025-05-28 | Paul Cynthia | Director | 92,922 | $5.50 | $511,024 | +1.2% | SEC |
| 2025-05-22 | Paul Cynthia | Director | 69,861 | $5.45 | $380,880 | +0.9% | SEC |
| 2025-05-19 | LYNROCK LAKE PARTNERS LLC | Director | 65,431 | $5.49 | $359,286 | +0.8% | SEC |
| 2025-05-14 | Lynrock Lake LP | Director | 73,728 | $5.31 | $391,250 | +1.0% | SEC |
| 2025-03-18 | Paul Cynthia | Director | 38,022 | $5.79 | $220,147 | +0.5% | SEC |
| 2025-03-13 | LYNROCK LAKE PARTNERS LLC | Director | 114,066 | $5.67 | $646,374 | +1.5% | SEC |
| 2025-03-13 | Arora Anil | Director | 8,700 | $5.65 | $49,149 | +7.4% | SEC |
| 2025-03-10 | Lynrock Lake LP | Director | 93,864 | $5.70 | $534,728 | +1.3% | SEC |
| 2025-03-05 | LYNROCK LAKE PARTNERS LLC | Director | 83,763 | $5.58 | $467,677 | +1.1% | SEC |
| 2021-11-16 | Sharan Sharat | CEO | 14,700 | $16.97 | $249,459 | +0.7% | SEC |
| 2021-08-24 | Sharan Sharat | CEO | 23,500 | $22.12 | $519,820 | +1.2% | SEC |
| 2021-08-23 | ZWARENSTEIN BARRY | Director | 25,000 | $20.45 | $511,250 | +142.9% | SEC |
| 2021-08-19 | Trempont Dominique | Director | 25,000 | $20.37 | $509,250 | +9.4% | SEC |
| 2021-03-09 | SPECIAL SITUATIONS INVESTING GROUP II, LLC | 10% Owner | 10,456 | $70.71 | $739,337 | +0.2% | SEC |
| 2021-02-09 | SPECIAL SITUATIONS INVESTING GROUP II, LLC | 10% Owner | 87,822 | $74.75 | $6.6M | SEC | |
| 2021-02-05 | Tansey Casey M | 10% Owner | 5,000 | $50.00 | $250,000 | SEC |
Insider sales
| Filed | Insider | Role | Shares | Avg price | Value | Type | Filing |
|---|---|---|---|---|---|---|---|
| 2026-03-24 | Sharan Sharat | CEO | 17,171 | $8.07 | $138,570 | Sale | SEC |
| 2026-03-05 | Vattuone Steven | CFO | 22,013 | $8.03 | $176,764 | Sale | SEC |
| 2026-03-02 | Vattuone Steven | CFO | 22,884 | $8.01 | $183,301 | Sale | SEC |
| 2026-03-02 | Sharan Sharat | CEO | 15,679 | $8.01 | $125,589 | Sale | SEC |
| 2026-03-02 | Sahasi Jayesh | CEO | 21,617 | $8.01 | $173,152 | Sale | SEC |
| 2026-03-02 | Blackie James | Officer | 20,277 | $8.01 | $162,419 | Sale | SEC |
| 2026-01-05 | Sharan Sharat | CEO | 50,332 | $7.97 | $401,146 | Sale | SEC |
| 2026-01-02 | Vattuone Steven | CFO | 80,000 | $7.98 | $638,400 | Sale | SEC |
| 2026-01-02 | Sahasi Jayesh | CEO | 34,753 | $7.98 | $277,329 | Sale | SEC |
| 2026-01-02 | Blackie James | Officer | 16,000 | $7.96 | $127,360 | Sale | SEC |
| 2025-12-18 | Sharan Sharat | CEO | 19,119 | $5.82 | $111,273 | Sale | SEC |
| 2025-12-03 | Vattuone Steven | CFO | 35,717 | $5.72 | $204,306 | Sale | SEC |
| 2025-12-03 | Sahasi Jayesh | CEO | 24,053 | $5.68 | $136,635 | Sale | SEC |
| 2025-12-03 | Blackie James | Officer | 22,550 | $5.68 | $128,097 | Sale | SEC |
| 2025-11-25 | Sharan Sharat | CEO | 32,211 | $5.30 | $170,718 | Sale | SEC |
Showing the latest 15 of 133 sales of $50,000+ since 2016.
Compiled automatically from public SEC filings. Not investment advice. Get every new insider purchase in the daily report.
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