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Insider trades
Open-market buys and sells by officers, directors and 10% owners, from SEC Form 4. Usually filed within two business days.
About this data
- What it is
- When a company's officers, directors or owners of more than 10% buy or sell its stock, they must report the trade to the SEC on Form 4. This feed shows purchases and sales on the open market; stock grants, option exercises and shares withheld for tax are left out.
- Who files it
- The insider, usually through the company, within two business days of the trade.
- How current
- We collect new filings throughout the day on SEC business days.
- Worth knowing
- Sales are often routine: insiders sell to diversify, to pay taxes, or under a 10b5-1 plan set up months in advance. A purchase with their own money is less common, which is why many investors pay closer attention to it.
All of this comes from public filings.
Source and freshness · Information, not investment advice (disclaimer).
Open-market trades per day, last 30 days
Purchases Sales
By trade date. Insiders have two business days to file, so the most recent days fill in later.
Latest open-market insider trades
Showing: ticker CERO
| Traded | Insider | Company | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Dec 13, 2024 | YK Bioventures Opportunities GP I, LLC 10% owner | CERO Cero Therapeutics Holdings, Inc. | Sale | 3.00M | $0.06 | $179.9K Sale | Form 4 ↗ |
| Dec 12, 2024 | YK Bioventures Opportunities GP I, LLC 10% owner | CERO Cero Therapeutics Holdings, Inc. | Sale | 1.61M | $0.07 | $113.0K Sale | Form 4 ↗ |
| Dec 11, 2024 | YK Bioventures Opportunities GP I, LLC 10% owner | CERO Cero Therapeutics Holdings, Inc. | Sale | 1.34M | $0.08 | $107.5K Sale | Form 4 ↗ |
| Dec 10, 2024 | Mitchell William Kossar 10% owner | CERO Cero Therapeutics Holdings, Inc. | Sale | 1.57M | $0.09 | $141.4K Sale | Form 4 ↗ |
| Dec 9, 2024 | Mitchell William Kossar 10% owner | CERO Cero Therapeutics Holdings, Inc. | Sale | 850,543 | $0.11 | $93.6K Sale | Form 4 ↗ |
| Dec 6, 2024 | Mitchell William Kossar 10% owner | CERO Cero Therapeutics Holdings, Inc. | Sale | 1.24M | $0.12 | $148.4K Sale | Form 4 ↗ |
| Oct 10, 2024 | Mitchell William Kossar 10% owner | CERO Cero Therapeutics Holdings, Inc. | Sale | 3.25M | $0.10 | $325.0K Sale | Form 4 ↗ |
| Sep 25, 2024 | Stuart M. Sloan 10% owner | CERO Cero Therapeutics Holdings, Inc. | Sale | 532,486 | $0.10 | $53.2K Sale | Form 4 ↗ |
8 items, most recent first (up to 50). Every row links to its original filing. Updated Nov 15, 2026, 5:59 PM EST.
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