Insider · CIK 0001305784
John James Sullivan
Files at: MLAB. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 15, 2026 MForm 4 → | Aug 17, 5:01 pm EDT | MESA LABORATORIES INC /CO/MLAB | 2,784 | — | — | 20,618 | — | |
| Aug 13, 2026 SForm 4 → | Aug 17, 12:18 pm EDT | MESA LABORATORIES INC /CO/MLAB | 7,093 | $112.80 | $800,090 | 17,834 | −28.5% | |
| Nov 7, 2018 AForm 4 → | Nov 28, 5:48 pm EST | MESA LABORATORIES INC /COMLAB | 150 | — | — | 71,448 | — | plan? late |
| Jun 15, 2018 SForm 4 → | Jun 15, 3:57 pm EDT | MESA LABORATORIES INC /COMLAB | 12,000 | $197.02 | $2,364,240 | 71,298 | −14.4% | plan? |
| Jun 15, 2018 MForm 4 → | Jun 15, 3:57 pm EDT | MESA LABORATORIES INC /COMLAB | 12,000 | $28.23 | $338,752 | 83,298 | — | plan? |
| Apr 2, 2018 AForm 4 → | Apr 4, 1:30 pm EDT | MESA LABORATORIES INC /COMLAB | 150 | — | — | 71,298 | — | plan? |
| Feb 15, 2018 SForm 4 → | Feb 20, 11:25 am EST | MESA LABORATORIES INC /COMLAB | 4,000 | $138.00 | $552,000 | 71,148 | −5.32% | plan? |
| Feb 15, 2018 MForm 4 → | Feb 20, 11:25 am EST | MESA LABORATORIES INC /COMLAB | 4,000 | $24.56 | $98,247 | 75,148 | — | plan? |
| May 10, 2017 MForm 4 → | May 15, 12:01 pm EDT | MESA LABORATORIES INC /COMLAB | 9,000 | $18.98 | $170,820 | 71,118 | — | plan? late |
| Feb 17, 2017 SForm 4 → | Feb 21, 7:24 pm EST | MESA LABORATORIES INC /COMLAB | 9,078 | $124.83 | $1,133,179 | 62,118 | −12.8% | plan? |
| Feb 17, 2017 MForm 4 → | Feb 21, 7:24 pm EST | MESA LABORATORIES INC /COMLAB | 9,078 | $18.46 | $167,540 | 71,196 | — | plan? |
| Feb 13, 2017 SForm 4/A → | Feb 21, 7:33 pm EST | MESA LABORATORIES INC /COMLAB | 5,922 | $123.99 | $734,269 | 62,118 | −8.70% | plan? |
| Feb 13, 2017 MForm 4/A → | Feb 21, 7:33 pm EST | MESA LABORATORIES INC /COMLAB | 5,922 | $18.98 | $112,400 | 68,040 | — | plan? |
| Feb 13, 2017 SForm 4 → | Feb 15, 6:09 pm EST | MESA LABORATORIES INC /COMLAB | 5,922 | $123.99 | $734,269 | 62,118 | −8.70% | plan? amended |
| Feb 13, 2017 MForm 4 → | Feb 15, 6:09 pm EST | MESA LABORATORIES INC /COMLAB | 5,922 | $18.98 | $112,400 | 68,040 | — | plan? amended |
| Jun 22, 2016 SForm 4 → | Jun 23, 10:57 am EDT | MESA LABORATORIES INC /COMLAB | 4,000 | $121.63 | $486,520 | 62,118 | −6.05% | plan? |
| Jun 22, 2016 MForm 4 → | Jun 23, 10:57 am EDT | MESA LABORATORIES INC /COMLAB | 5,000 | $18.98 | $94,900 | 66,118 | — | plan? |
| May 27, 2016 GForm 4 → | May 31, 10:51 am EDT | MESA LABORATORIES INC /COMLAB | 275 | — | — | 61,118 | — | plan? |
| Nov 6, 2015 SForm 4 → | Nov 9, 11:57 am EST | MESA LABORATORIES INC /COMLAB | 2,400 | $112.99 | $271,176 | 61,393 | −3.76% | plan? |
| Nov 5, 2015 MForm 4 → | Nov 9, 11:57 am EST | MESA LABORATORIES INC /COMLAB | 12,700 | $44.36 | $563,360 | 63,793 | — | plan? |
| Mar 24, 2015 MForm 4 → | Mar 25, 11:01 am EDT | MESA LABORATORIES INC /COMLAB | 975 | $25.56 | $24,921 | 51,093 | — | plan? |