MLAB — MESA LABORATORIES INC /CO/
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
Dividends
Measured signals that fired on MLAB
| date | signal | measured base rate |
|---|---|---|
| 2026-08-17 | Conviction buy by an officer insider | -1.03% over 21 days · t = -2.24 · n = 1,083 statistically distinguishable from its control group |
| 2026-08-13 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-08-12 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-08-11 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 statistically distinguishable from its control group |
| 2026-07-08 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-07-02 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-15 | Ladiwala Shiraz Shabanali Director | Option exercise | 3.8K | 0.00 | 0 |
| 2026-08-15 | Sullivan John James Director | Option exercise | 2.8K | 0.00 | 0 |
| 2026-08-15 | Capone Mark Christopher Director | Option exercise | 2.8K | 0.00 | 0 |
| 2026-08-15 | Alltoft Jennifer Sadie Director | Option exercise | 2.8K | 0.00 | 0 |
| 2026-08-15 | Hall Shannon Director | Option exercise | 2.8K | 0.00 | 0 |
| 2026-08-15 | Tripeny R Tony Director | Option exercise | 2.8K | 0.00 | 0 |
| 2026-08-13 | Sullivan John James Director | Open-market sale | 7.1K | 112.80 | 800.1K |
| 2026-08-13 | Kadia Siddhartha President and CEO | Open-market purchase | 7.1K | 112.80 | 800.1K |
| 2026-08-13 | Tripeny R Tony Director | Open-market purchase | 900 | 113.69 | 102.3K |
| 2026-06-22 | Sakys John CFO | Open-market sale 10b5-1 plan | 2.8K | 89.50 | 253.0K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| Long Path Partners LP | 35.9M | 405.6K |
| BlackRock, Inc. | 34.8M | 393.9K |
| Boston Partners | 23.8M | 268.7K |
| Select Equity Group, L.P. | 20.9M | 235.9K |
| VANGUARD CAPITAL MANAGEMENT LLC | 20.6M | 232.6K |
| Ranger Investment Management, L.P. | 17.9M | 202.9K |
| AQR CAPITAL MANAGEMENT LLC | 15.1M | 170.6K |
| MORGAN STANLEY | 14.3M | 162.1K |
| ROYCE & ASSOCIATES LP | 14.3M | 161.2K |
| DIAMOND HILL CAPITAL MANAGEMENT INC | 13.7M | 155.3K |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| 144 | 2026-08-21 | — | on EDGAR ↗ |
| 4 | 2026-08-17 | 2026-08-15 | on EDGAR ↗ |
| 4 | 2026-08-17 | 2026-08-15 | on EDGAR ↗ |
| 4 | 2026-08-17 | 2026-08-15 | on EDGAR ↗ |
| 4 | 2026-08-17 | 2026-08-15 | on EDGAR ↗ |
| 4 | 2026-08-17 | 2026-08-15 | on EDGAR ↗ |
| 4 | 2026-08-17 | 2026-08-15 | on EDGAR ↗ |
| 4 | 2026-08-17 | 2026-08-13 | on EDGAR ↗ |
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Recent headlines
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