MLAB MESA LABORATORIES INC /CO/
Nasdaq · SEC CIK 724004 · EDGAR
- Bought, last 12 months
- $1.35M 5 purchases by 4 insiders
- Sold, last 12 months
- $1.57M 7 sales by 4 insiders
- Filings on record
- 205 since 2021-07-06, latest 2026-09-11 14:13
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Kadia Siddhartha | Pres, CEO | $800.1K | — |
| Sullivan John James | Dir | — | $800.1K |
| Sakys John | CFO | — | $376.9K |
| Archbold Brian David | SVP Ops | — | $341.7K |
| Ladiwala Shiraz Shabanali | Dir | $252.8K | — |
| Tripeny R Tony | Dir | $202.3K | — |
| Capone Mark Christopher | Dir | $99.3K | — |
| Crennen Lyndsey Elizabeth | CAO | — | $51.5K |
| Alltoft Jennifer Sadie | Dir | — | — |
| Owens Gary M | Pres, CEO | — | — |
Transactions 221
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2023-06-16 | 2023-06-15 | MLAB | Archbold Brian David | SVP Ops | M - OptEx | $0.00 | +614 | 1,918 | +47% | $0 |
| D | 2023-06-16 | 2023-06-15 | MLAB | Archbold Brian David | SVP Ops | F - Tax | $134.45 | -283 | 1,635 | -15% | -$38.0K |
| D | 2023-06-16 | 2023-06-15 | MLAB | Sullivan John James | Dir | M - OptEx | $0.00 | +15 | 28.2K | +0.1% | $0 |
| D | 2023-06-16 | 2023-06-15 | MLAB | Sullivan John James | Dir | F - Tax | $134.45 | -6 | 28.2K | -0.0% | -$806.70 |
| D | 2023-06-16 | 2023-06-15 | MLAB | Sakys John | CFO | M - OptEx | $0.00 | +848 | 10.5K | +9% | $0 |
| D | 2023-06-16 | 2023-06-15 | MLAB | Sakys John | CFO | F - Tax | $134.45 | -373 | 10.2K | -4% | -$50.1K |
| D | 2023-06-16 | 2023-06-15 | MLAB | Schmieder John Bradley | Dir | M - OptEx | $0.00 | +30 | 69.0K | +0.0% | $0 |
| DM | 2023-03-27 | 2023-03-22+ | MLAB | Sakys John | CFO | S - Sale+OE | $169.50 | -4,628 | 9,696 | -32% | -$784.4K |
| DM | 2023-03-27 | 2023-03-22+ | MLAB | Sakys John | CFO | M - OptEx | $105.40 | +4,628 | 10.7K | +76% | +$487.8K |
| D | 2023-03-16 | 2023-03-15 | MLAB | Sakys John | CFO | M - OptEx | $70.56 | +1,000 | 10.7K | +10% | +$70.6K |
| D | 2023-03-16 | 2023-03-15 | MLAB | Sakys John | CFO | S - Sale+OE | $165.71 | -1,000 | 9,696 | -9% | -$165.7K |
| D | 2023-03-09 | 2023-03-09 | MLAB | Sakys John | CFO | M - OptEx | $70.56 | +400 | 10.1K | +4% | +$28.2K |
| D | 2023-03-09 | 2023-03-09 | MLAB | Sakys John | CFO | S - Sale+OE | $169.97 | -400 | 9,696 | -4% | -$68.0K |
| D | 2023-02-09 | 2023-02-09 | MLAB | Sakys John | CFO | S - Sale+OE | $184.27 | -1,000 | 9,696 | -9% | -$184.3K |
| D | 2023-02-09 | 2023-02-09 | MLAB | Sakys John | CFO | M - OptEx | $51.85 | +1,000 | 10.7K | +10% | +$51.9K |
| 2023-02-06 | 2023-02-02 | MLAB | Sullivan John James | Dir | G - Gift | $0.00 | -14.6K | 28.2K | -34% | $0 | |
| I | 2023-02-06 | 2023-02-02 | MLAB | Sullivan John James | Dir | G - Gift | $0.00 | +14.6K | 44.6K | +49% | $0 |
| D | 2023-01-25 | 2023-01-23 | MLAB | Sakys John | CFO | M - OptEx | $70.56 | +2,100 | 11.8K | +22% | +$148.2K |
| D | 2023-01-25 | 2023-01-23 | MLAB | Sakys John | CFO | S - Sale+OE | $210.19 | -2,100 | 9,696 | -18% | -$441.4K |
| A | 2023-01-17 | 2023-01-13 | MLAB | Schmieder John Bradley | Dir | S - Sale | $191.31 | -1,571 | 69.0K | -2% | -$300.5K |
| DM | 2023-01-17 | 2013-01-13+ | MLAB | Schmieder John Bradley | Dir | X - OptEx | $104.25 | +1,571 | 69.5K | +2% | +$163.8K |
| D | 2023-01-17 | 2023-01-13 | MLAB | Schmieder John Bradley | Dir | S - Sale+OE | $191.31 | -1,571 | 69.0K | -2% | -$300.5K |
| 2022-12-09 | 2022-12-08 | MLAB | Hall Shannon | Dir | S - Sale | $174.98 | -230 | 957 | -19% | -$40.2K | |
| 2022-11-29 | 2022-11-28 | MLAB | Sullivan John James | Dir | G - Gift | $0.00 | -1,425 | 42.8K | -3% | $0 | |
| 2022-11-21 | 2022-11-11 | MLAB | Schmieder John Bradley | Dir | S - Sale | $175.45 | -2,500 | 69.0K | -3% | -$438.6K | |
| D | 2022-09-02 | 2022-09-01 | MLAB | Schmieder John Bradley | Dir | M - OptEx | $0.00 | +431 | 71.5K | +0.6% | $0 |
| D | 2022-09-02 | 2022-09-01 | MLAB | GUILLEMIN EVAN | Dir | M - OptEx | $0.00 | +431 | 29.2K | +1% | $0 |
| DM | 2022-09-02 | 2022-09-01 | MLAB | Archbold Brian David | VP Ops | M - OptEx | $0.00 | +903 | 1,359 | +198% | $0 |
| D | 2022-09-02 | 2022-09-01 | MLAB | Archbold Brian David | VP Ops | F - Tax | $178.42 | -412 | 1,304 | -24% | -$73.5K |
| D | 2022-09-02 | 2022-09-01 | MLAB | Sakys John | CFO | F - Tax | $178.42 | -799 | 9,696 | -8% | -$142.6K |
| DM | 2022-09-02 | 2022-09-01 | MLAB | Sakys John | CFO | M - OptEx | $0.00 | +1,817 | 9,981 | +22% | $0 |
| D | 2022-09-02 | 2022-09-01 | MLAB | Owens Gary M | Pres, CEO | F - Tax | $178.42 | -722 | 26.6K | -3% | -$128.8K |
| DM | 2022-09-02 | 2022-09-01 | MLAB | Owens Gary M | Pres, CEO | M - OptEx | $0.00 | +5,668 | 25.7K | +28% | $0 |
| D | 2022-09-02 | 2022-09-01 | MLAB | Sullivan John James | Dir | M - OptEx | $0.00 | +787 | 44.2K | +2% | $0 |
| D | 2022-09-02 | 2022-09-01 | MLAB | Hall Shannon | Dir | M - OptEx | $0.00 | +431 | 1,187 | +57% | $0 |
| D | 2022-09-02 | 2022-09-01 | MLAB | Alltoft Jennifer Sadie | Dir | M - OptEx | $0.00 | +431 | 1,646 | +35% | $0 |
| D | 2022-08-19 | 2022-08-18 | MLAB | GUILLEMIN EVAN | Dir | S - Sale+OE | $196.12 | -3,692 | 28.8K | -11% | -$724.1K |
| DM | 2022-08-19 | 2022-08-18 | MLAB | GUILLEMIN EVAN | Dir | M - OptEx | $99.65 | +2,680 | 31.1K | +9% | +$267.1K |
| DMA | 2022-08-17 | 2022-08-15+ | MLAB | Sakys John | CFO | S - Sale+OE | $200.57 | -744 | 8,678 | -8% | -$149.2K |
| DMA | 2022-08-17 | 2022-08-15+ | MLAB | Sakys John | CFO | M - OptEx | $70.56 | +2,000 | 10.7K | +23% | +$141.1K |
| DM | 2022-08-17 | 2022-08-15+ | MLAB | Sakys John | CFO | M - OptEx | $70.56 | +2,000 | 9,306 | +27% | +$141.1K |
| DM | 2022-08-17 | 2022-08-15+ | MLAB | Sakys John | CFO | S - Sale+OE | $200.57 | -2,000 | 8,678 | -19% | -$401.1K |
| D | 2022-08-16 | 2022-08-15 | MLAB | Ladiwala Shiraz Shabanali | Dir | M - OptEx | $0.00 | +405 | 405 | New | $0 |
| 2022-08-09 | 2022-08-09 | MLAB | Tripeny R Tony | Dir | P - Purchase | $200.00 | +500 | 500 | New | +$100.0K | |
| DM | 2022-07-06 | 2022-07-05 | MLAB | Sullivan John James | Dir | M - OptEx | $112.63 | +18.6K | 28.4K | +188% | +$2.09M |
| D | 2022-06-22 | 2022-06-21 | MLAB | Sakys John | CFO | A - Grant | $0.00 | +1,667 | 9,400 | +22% | $0 |
| D | 2022-06-22 | 2022-06-21 | MLAB | Sakys John | CFO | S - Sale+OE | $188.22 | -722 | 8,678 | -8% | -$135.9K |
| D | 2022-06-22 | 2022-06-17 | MLAB | Sakys John | CFO | F - Tax | $185.57 | -173 | 7,733 | -2% | -$32.1K |
| D | 2022-06-22 | 2022-06-17 | MLAB | Sakys John | CFO | M - OptEx | $0.00 | +392 | 7,906 | +5% | $0 |
| D | 2022-06-22 | 2022-06-21 | MLAB | Owens Gary M | Pres, CEO | S - Sale+OE | $188.22 | -1,756 | 21.6K | -8% | -$330.5K |
| D | 2022-06-22 | 2022-06-21 | MLAB | Owens Gary M | Pres, CEO | A - Grant | $0.00 | +4,055 | 23.4K | +21% | $0 |
| D | 2022-06-22 | 2022-06-17 | MLAB | Owens Gary M | Pres, CEO | F - Tax | $185.57 | -740 | 19.3K | -4% | -$137.3K |
| D | 2022-06-22 | 2022-06-17 | MLAB | Owens Gary M | Pres, CEO | M - OptEx | $0.00 | +1,685 | 20.1K | +9% | $0 |
| D | 2022-06-22 | 2022-06-21 | MLAB | DINOIA GREGORY | SVP Commercial | S - Sale+OE | $188.22 | -555 | 3,634 | -13% | -$104.5K |
| D | 2022-06-22 | 2022-06-21 | MLAB | DINOIA GREGORY | SVP Commercial | A - Grant | $0.00 | +1,278 | 4,189 | +44% | $0 |
| D | 2022-06-22 | 2022-06-17 | MLAB | DINOIA GREGORY | SVP Commercial | F - Tax | $185.57 | -173 | 2,911 | -6% | -$32.1K |
| D | 2022-06-22 | 2022-06-17 | MLAB | DINOIA GREGORY | SVP Commercial | M - OptEx | $0.00 | +391 | 3,084 | +15% | $0 |
| D | 2022-06-22 | 2022-06-17 | MLAB | Archbold Brian David | SVP Ops | M - OptEx | $0.00 | +338 | 492 | +219% | $0 |
| D | 2022-06-22 | 2022-06-17 | MLAB | Archbold Brian David | SVP Ops | F - Tax | $185.57 | -155 | 337 | -32% | -$28.8K |
| D | 2022-06-22 | 2022-06-21 | MLAB | Archbold Brian David | SVP Ops | A - Grant | $0.00 | +868 | 1,205 | +258% | $0 |
| D | 2022-06-22 | 2022-06-21 | MLAB | Archbold Brian David | SVP Ops | S - Sale+OE | $188.22 | -392 | 813 | -33% | -$73.8K |
| D | 2022-06-16 | 2022-06-15 | MLAB | MESA LABORATORIES INC /CO/ | Dir | M - OptEx | $0.00 | +30 | 29.8K | +0.1% | $0 |
| D | 2022-06-16 | 2022-06-15 | MLAB | Sullivan John James | Dir | F - Tax | $185.70 | -14 | 24.9K | -0.1% | -$2,600 |
| D | 2022-06-16 | 2022-06-15 | MLAB | Sullivan John James | Dir | M - OptEx | $0.00 | +30 | 24.9K | +0.1% | $0 |
| D | 2022-06-16 | 2022-06-15 | MLAB | GUILLEMIN EVAN | Dir | M - OptEx | $0.00 | +30 | 29.8K | +0.1% | $0 |
| D | 2022-06-16 | 2022-06-15 | MLAB | Schmieder John Bradley | Dir | M - OptEx | $0.00 | +30 | 71.0K | +0.0% | $0 |
| DMA | 2022-06-13 | 2022-06-07+ | MLAB | Sullivan John James | Dir | M - OptEx | $70.56 | +6,193 | 24.9K | +33% | +$437.0K |
| DA | 2022-06-13 | 2022-06-07 | MLAB | Sullivan John James | Dir | S - Sale+OE | $207.76 | -5,192 | 23.9K | -18% | -$1.08M |
| D | 2022-06-13 | 2022-06-07 | MLAB | Sullivan John James | Dir | S - Sale+OE | $207.76 | -5,192 | 23.9K | -18% | -$1.08M |
| DM | 2022-06-13 | 2022-06-07+ | MLAB | Sullivan John James | Dir | M - OptEx | $70.56 | +6,193 | 24.9K | +33% | +$437.0K |
| D | 2022-04-22 | 2022-04-20 | MLAB | Sakys John | CFO | S - Sale+OE | $250.44 | -72 | 7,514 | -0.9% | -$18.0K |
| D | 2022-04-22 | 2022-04-20 | MLAB | Sakys John | CFO | M - OptEx | $51.85 | +72 | 7,586 | +1.0% | +$3,733 |
| DM | 2022-03-25 | 2022-03-23+ | MLAB | Sakys John | CFO | S - Sale+OE | $251.23 | -1,600 | 8,184 | -16% | -$402.0K |
| D | 2022-03-25 | 2022-03-23 | MLAB | Sakys John | CFO | M - OptEx | $51.85 | +1,600 | 9,114 | +21% | +$83.0K |
| D | 2022-02-22 | 2022-02-17 | MLAB | Sullivan John James | Dir | M - OptEx | $70.56 | +1,000 | 23.9K | +4% | +$70.6K |
| DM | 2022-02-16 | 2022-02-15 | MLAB | Sullivan John James | Dir | M - OptEx | $93.87 | +5,192 | 23.6K | +28% | +$487.4K |
| D | 2022-02-16 | 2022-02-15 | MLAB | Sullivan John James | Dir | S - Sale+OE | $259.42 | -5,192 | 22.9K | -19% | -$1.35M |
| I | 2022-02-15 | 2021-12-16 | MLAB | Schmieder John Bradley | Dir | W - Inherited | $0.00 | +19.4K | 19.4K | New | $0 |
| D | 2022-01-04 | 2022-01-03 | MLAB | Schmieder John Bradley | Dir | S - Sale+OE | $327.77 | -1,000 | 71.0K | -1% | -$327.8K |
| D | 2022-01-04 | 2022-01-03 | MLAB | Schmieder John Bradley | Dir | M - OptEx | $97.78 | +1,000 | 72.0K | +1% | +$97.8K |
| D | 2021-12-15 | 2021-12-14 | MLAB | Archbold Brian David | SVP Ops | S - Sale+OE | $325.02 | -1,659 | 154 | -92% | -$539.2K |
| DM | 2021-12-15 | 2021-12-14 | MLAB | Archbold Brian David | SVP Ops | M - OptEx | $208.61 | +1,659 | 364 | New | +$346.1K |
| DM | 2021-12-10 | 2021-12-10 | MLAB | Sakys John | CFO | M - OptEx | $97.05 | +1,758 | 9,272 | +23% | +$170.6K |
| D | 2021-12-10 | 2021-12-10 | MLAB | Sakys John | CFO | S - Sale+OE | $324.74 | -1,758 | 7,514 | -19% | -$570.9K |
| DM | 2021-12-06 | 2021-12-02 | MLAB | GUILLEMIN EVAN | Dir | M - OptEx | $91.57 | +2,320 | 31.1K | +8% | +$212.4K |
| D | 2021-12-06 | 2021-12-02 | MLAB | GUILLEMIN EVAN | Dir | S - Sale+OE | $310.61 | -2,320 | 29.8K | -7% | -$720.6K |
| D | 2021-11-18 | 2021-11-17 | MLAB | Sullivan John James | Dir | M - OptEx | $70.56 | +1,000 | 22.9K | +5% | +$70.6K |
| DM | 2021-11-16 | 2021-11-15 | MLAB | Sullivan John James | Dir | M - OptEx | $97.10 | +5,192 | 22.3K | +30% | +$504.1K |
| D | 2021-11-16 | 2021-11-15 | MLAB | Sullivan John James | Dir | S - Sale+OE | $308.02 | -5,192 | 21.9K | -19% | -$1.60M |
| D | 2021-11-12 | 2021-11-11 | MLAB | Sakys John | CFO | S - Sale+OE | $317.12 | -1,000 | 7,514 | -12% | -$317.1K |
| D | 2021-11-12 | 2021-11-11 | MLAB | Sakys John | CFO | M - OptEx | $97.78 | +1,000 | 8,514 | +13% | +$97.8K |
| D | 2021-11-09 | 2021-11-08 | MLAB | KELLY DAVID M | Dir | M - OptEx | $58.51 | +18 | 2,618 | +0.7% | +$1,053 |
| D | 2021-11-09 | 2021-11-08 | MLAB | KELLY DAVID M | Dir | S - Sale+OE | $324.07 | -18 | 2,600 | -0.7% | -$5,833 |
| 2021-11-09 | 2021-11-08 | MLAB | DINOIA GREGORY | SVP Commercial | S - Sale | $323.72 | -280 | 2,693 | -9% | -$90.6K | |
| D | 2021-10-25 | 2021-10-20 | MLAB | Sakys John | CFO | S - Sale+OE | $309.86 | -2,000 | 7,514 | -21% | -$619.7K |
| D | 2021-10-25 | 2021-10-20 | MLAB | Sakys John | CFO | M - OptEx | $97.78 | +2,000 | 9,514 | +27% | +$195.6K |
| 2021-10-04 | 2021-10-01 | MLAB | Sullivan John James | Dir | S - Sale | $304.48 | -1,250 | 21.9K | -5% | -$380.6K | |
| D | 2021-09-10 | 2021-09-10 | MLAB | Sakys John | CFO | S - Sale+OE | $270.21 | -1,400 | 7,514 | -16% | -$378.3K |
| D | 2021-09-10 | 2021-09-10 | MLAB | Sakys John | CFO | M - OptEx | $89.70 | +1,400 | 8,914 | +19% | +$125.6K |
| 2021-09-01 | 2021-09-01 | MLAB | Sullivan John James | Dir | S - Sale | $268.22 | -1,250 | 23.1K | -5% | -$335.3K |
Purchase Sale Sale after option exercise All abbreviations