John James Sullivan is Director at MESA LABORATORIES INC /CO/ (MLAB). They have made 34 open-market trades across 1 company since 2006, most recently 2026-08-15.
CIK 0001305784
2 open-market purchases totalling $17K since 2006, against 32 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| MLAB | 20,618 | $2.6M |
| @PVCNT2F | 24,858 | — |
| Total | $2.6M |
Shares reported on the most recent Form 4, priced at the 2026-08-17 close. 1 holding could not be priced and is excluded from the total.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| MLAB | SELL | 2026-08-13 | 2026-08-17 | $112.80 | $800K | +18.3% | +15.8% | — |
| @PVCNT2F | SELL · 10b5-1 | 2022-06-07 | 2022-06-13 | $207.76 | $1.1M | N/A | N/A | N/A |
| MLAB | SELL | 2022-06-07 | 2022-06-13 | $207.76 | $2.2M | +4.3% | +3.3% | -11.0% |
| MLAB | SELL | 2022-02-15 | 2022-02-16 | $259.42 | $2.7M | -3.2% | +3.5% | -16.1% |
| MLAB | SELL | 2021-11-15 | 2021-11-16 | $308.02 | $3.2M | +0.8% | +2.5% | -15.1% |
| MLAB | SELL | 2021-10-01 | 2021-10-04 | $304.48 | $381K | +3.3% | +3.7% | +9.9% |
| MLAB | SELL | 2021-09-01 | 2021-09-01 | $268.22 | $671K | +12.4% | +13.8% | +14.6% |
| MLAB | SELL | 2021-08-16 | 2021-08-17 | $272.16 | $2.8M | +0.7% | +12.7% | +13.8% |
| MLAB | SELL | 2021-08-02 | 2021-08-02 | $290.47 | $726K | -4.8% | -7.7% | +4.6% |
| MLAB | SELL | 2021-07-01 | 2021-07-06 | $267.44 | $334K | +2.9% | +5.7% | +9.1% |
| MLAB | SELL | 2021-06-08 | 2021-06-09 | $258.19 | $2.7M | +1.0% | +7.5% | +4.4% |
| MLAB | SELL | 2021-06-01 | 2021-06-04 | $251.46 | $1.1M | -2.0% | +5.0% | +3.2% |
| MLAB | SELL | 2021-05-05 | 2021-05-07 | $250.23 | $75K | -3.9% | +3.1% | +14.9% |
| MLAB | SELL | 2021-05-04 | 2021-05-05 | $250.14 | $368K | -1.8% | +4.6% | +16.4% |
| MLAB | SELL | 2021-04-05 | 2021-04-12 | $250.76 | $125K | +5.2% | -0.4% | +16.5% |
| MLAB | SELL | 2021-03-01 | 2021-03-02 | $273.94 | $342K | -4.7% | -11.0% | -9.2% |
| MLAB | SELL | 2021-02-01 | 2021-02-01 | $277.67 | $694K | +2.0% | -0.2% | -10.3% |
| MLAB | SELL | 2021-01-04 | 2021-01-04 | $280.82 | $351K | +5.8% | +0.4% | -13.2% |
| MLAB | SELL | 2020-12-01 | 2020-12-01 | $275.22 | $688K | +4.5% | +5.3% | +2.3% |
| MLAB | SELL | 2020-11-11 | 2020-11-12 | $272.36 | $340K | -1.7% | +0.9% | +2.4% |
| MLAB | SELL | 2020-02-27 | 2020-02-27 | $256.02 | $871K | -3.1% | -10.3% | +6.6% |
| MLAB | SELL | 2020-02-25 | 2020-02-27 | $266.66 | $4.9M | -3.1% | -10.3% | +6.6% |
| MLAB | SELL | 2018-06-15 | 2018-06-15 | $197.02 | $2.4M | +2.3% | +8.7% | -3.2% |
| MLAB | SELL | 2018-02-15 | 2018-02-20 | $138.00 | $552K | -5.1% | +2.8% | +29.2% |
| MLAB | SELL | 2017-02-17 | 2017-02-21 | $124.99 | $2.0M | -0.3% | -5.7% | +19.4% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.