MESA LABORATORIES INC /CO/ (MLAB) has 18 SEC Form 4 insider filings on record in the last 90 days. That includes 2 insider purchases totalling $902K, and 1 sales totalling $800K. Most recent filing: Sept. 11, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
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| Sept. 11, 2026 filed Sept. 9, 2026 | Capone Mark Christopher Director | $0 | 2,423 | 0% | No | |
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| Sept. 11, 2026 filed Sept. 9, 2026 | Ladiwala Shiraz Shabanali Director | $0 | 2,510 | 0% | No | |
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| Sept. 11, 2026 filed Sept. 9, 2026 | Alltoft Jennifer Sadie Director | $0 | 1,774 | 0% | No | |
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| Sept. 11, 2026 filed Sept. 9, 2026 | Hall Shannon Director | $0 | 1,774 | 0% | No | |
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| Sept. 11, 2026 filed Sept. 9, 2026 | Sullivan John James Director | $0 | 1,774 | 0% | No | |
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Showing the 5 most recent of 18 filings in the last 90 days.
Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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