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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 MLAB
| Traded | Insider | Company | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Aug 13, 2026 | John James Sullivan Director | MLAB Mesa Laboratories, Inc. | Sale | 7,093 | $112.80 | $800.1K Sale | Form 4 ↗ |
| Aug 13, 2026 | Siddhartha Kadia President and CEO | MLAB Mesa Laboratories, Inc. | Buy | 7,093 | $112.80 | $800.1K Buy | Form 4 ↗ |
| Aug 13, 2026 | R. Tony Tripeny Director | MLAB Mesa Laboratories, Inc. | Buy | 900 | $113.69 | $102.3K Buy | Form 4 ↗ |
| Jun 22, 2026 | Lyndsey Elizabeth Crennen CAO | MLAB Mesa Laboratories, Inc. | Sale | 442 | $89.50 | $39.6K Sale | Form 4 ↗ |
| Jun 22, 2026 | Brian David Archbold SVP Operations | MLAB Mesa Laboratories, Inc. | Sale | 2,516 | $89.50 | $225.2K Sale | Form 4 ↗ |
| Jun 22, 2026 | John Sakys CFO | MLAB Mesa Laboratories, Inc. | Sale | 2,827 | $89.50 | $253.0K Sale | Form 4 ↗ |
| Jun 16, 2026 | Brian David Archbold SVP Operations | MLAB Mesa Laboratories, Inc. | Sale | 1,151 | $101.27 | $116.6K Sale | Form 4 ↗ |
| Jun 16, 2026 | Lyndsey Elizabeth Crennen CAO | MLAB Mesa Laboratories, Inc. | Sale | 118 | $101.27 | $11.9K Sale | Form 4 ↗ |
| Jun 16, 2026 | John Sakys CFO | MLAB Mesa Laboratories, Inc. | Sale | 1,223 | $101.27 | $123.9K Sale | Form 4 ↗ |
| Mar 10, 2026 | Shiraz Shabanali Ladiwala Director | MLAB Mesa Laboratories, Inc. | Buy | 3,500 | $72.23 | $252.8K Buy | Form 4 ↗ |
| Mar 10, 2026 | Mark Christopher Capone Director | MLAB Mesa Laboratories, Inc. | Buy | 1,301 | $76.35 | $99.3K Buy | Form 4 ↗ |
| Mar 10, 2026 | R. Tony Tripeny Director | MLAB Mesa Laboratories, Inc. | Buy | 1,315 | $76.00 | $99.9K Buy | Form 4 ↗ |
| Jun 16, 2025 | Gary M. Owens President and CEO | MLAB Mesa Laboratories, Inc. | Sale | 1,939 | $97.12 | $188.3K Sale | Form 4 ↗ |
| Jun 16, 2025 | Brian David Archbold SVP Operations | MLAB Mesa Laboratories, Inc. | Sale | 472 | $97.12 | $45.8K Sale | Form 4 ↗ |
| Jun 16, 2025 | John Sakys CFO | MLAB Mesa Laboratories, Inc. | Sale | 642 | $97.12 | $62.4K Sale | Form 4 ↗ |
| Mar 19, 2025 | Gary M. Owens President and CEO | MLAB Mesa Laboratories, Inc. | Sale | 21,000 | $123.91 | $2.6M Sale | Form 4 ↗ |
| Oct 29, 2024 | Gary M. Owens President and CEO | MLAB Mesa Laboratories, Inc. | Sale | 2,551 | $111.98 | $285.7K Sale | Form 4 ↗ |
| Oct 28, 2024 | Gary M. Owens President and CEO | MLAB Mesa Laboratories, Inc. | Sale | 2,518 | $113.62 | $286.1K Sale | Form 4 ↗ |
18 items, most recent first (up to 50). Every row links to its original filing. Updated Nov 15, 2026, 5:05 PM EST.
Download CSV The rows of this feed, with the filters above. A download holds at most 10,000 rows; narrow the filters to get a smaller slice.
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