Company profile
On24 Inc. Insider Trading
ONTFEvery SEC Form 4 insider trading filing for On24 Inc. (ONTF) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Sector
- Services-Prepackaged Software
- CIK
- 0001110611
- Filings
- 254
- Insiders
- 14
- Last filing
- 2026-04-01
Activity summary
No insider transactions in the last 30 days. The most recent was on April 1, 2026, when Steven Vattuone sold 511,936 shares. 254 filings from 14 insiders are on record below.
Three year balance
Buy and sell value by quarter, Q3 23 to Q2 26. On24 Inc. insiders are net sellers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $3.7M.
No insider activity recorded for ONTF in the last 90 days.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Apr 1, 2026 | Steven Vattuone | ONTF | Disposition | 511,936 | — | — |
| Apr 1, 2026 | James Blackie | ONTF | Disposition | 35,696 | — | — |
| Apr 1, 2026 | Jayesh Sahasi | ONTF | Disposition | 22,086 | — | — |
| Apr 1, 2026 | Jayesh Sahasi | ONTF | Disposition | 55,370 | — | — |
| Apr 1, 2026 | Dominique Trempont | ONTF | Disposition | 21,000 | — | — |
45 more transactions hidden
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Query this yourself
The same rows, over the API.
curl "https://api.form4api.com/v1/transactions?ticker=ONTF" \
-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of On24 Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →