Updated Jul 16, 2026
Vattuone Steven is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market sales: $1.30M.

Steven Vattuone is the Chief Financial Officer of ON24 Inc., a company that provides a cloud-based intelligent engagement platform. He has been involved in various SEC filings related to his role, indicating his active participation in the company's financial management.
| Role | Insider |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-04-02 | ONTF | ON24 INC. | D — Derivative transaction | 511.9K | — | |
| 2026-04-02 | ONTF | ON24 INC. | A — Grant or award | 79.9K | $0.00 | |
| 2026-03-24 | ONTF | ON24 INC. | S — Open-market sale [10b5-1] | 3.4K | $8.07 | $28K |
| 2026-03-05 | ONTF | ON24 INC. | S — Open-market sale [10b5-1] | 22.0K | $8.03 | $177K |
| 2026-03-03 | ONTF | ON24 INC. | S — Open-market sale [10b5-1] | 22.9K | $8.01 | $183K |
| 2026-03-03 | ONTF | ON24 INC. | A — Grant or award [10b5-1] | 27.7K | $0.00 | |
| 2026-02-12 | ONTF | ON24 INC. | S — Open-market sale [10b5-1] | 422 | $7.92 | $3K |
| 2026-02-11 | ONTF | ON24 INC. | S — Open-market sale [10b5-1] | 325 | $7.93 | $3K |
| 2026-02-11 | ONTF | ON24 INC. | A — Grant or award [10b5-1] | 747 | $0.00 | |
| 2025-09-05 | ONTF | ON24 INC. | S — Open-market sale | 20.1K | $5.54 | $111K |
| 2025-09-05 | ONTF | ON24 INC. | S — Open-market sale | 4.2K | $5.58 | $23K |
| 2025-09-05 | ONTF | ON24 INC. | S — Open-market sale | 5.3K | $5.52 | $29K |
| 2025-09-02 | ONTF | ON24 INC. | S — Open-market sale | 6.4K | $5.52 | $35K |
| 2025-09-02 | ONTF | ON24 INC. | S — Open-market sale | 3.5K | $5.43 | $19K |
| 2025-09-02 | ONTF | ON24 INC. | S — Open-market sale | 3.2K | $5.60 | $18K |
| 2025-08-20 | ONTF | ON24 INC. | S — Open-market sale | 5.1K | $5.25 | $27K |
| 2025-08-20 | ONTF | ON24 INC. | S — Open-market sale | 3.1K | $5.21 | $16K |
| 2025-06-05 | ONTF | ON24 INC. | S — Open-market sale | 22.0K | $5.55 | $122K |
| 2025-06-05 | ONTF | ON24 INC. | S — Open-market sale | 2.4K | $5.49 | $13K |
| 2025-06-02 | ONTF | ON24 INC. | S — Open-market sale | 4.7K | $5.54 | $26K |
Steven Vattuone is the Chief Financial Officer of ON24 Inc., a company that provides a cloud-based intelligent engagement platform. He has been involved in various SEC filings related to his role, indicating his active participation in the company's financial management.…
Recorded transactions: 0 open-market purchases () and 32 open-market sales ($1.30M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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