Who
John James Sullivan
Director
Company insider
Files Form 4 as: President and CEO, Mesa Laboratories.
In numbers
- Trades disclosed
- 253
- Buys
- 2
- Sells
- 39
- Bought
- $17K
- Sold
- $25.1M
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 20 Mar 2006
- Last trade
- 13 Oct 2026
- Last filed
- 29 Oct 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 13 Oct 2026filed 29 Oct 2026 | MLAB Mesa LaboratoriesLife-science tools | SEC FORM 4 Code G | —1,200 at $0.00 | filing |
| 9 Sep 2026filed 11 Sep 2026 | MLAB Mesa Laboratoriesoption or derivative · Life-science tools | SEC FORM 4 Code A | —1,774 at $0.00 | filing |
| 9 Sep 2026filed 11 Sep 2026 | MLAB Mesa Laboratoriesoption or derivative · Life-science tools | SEC FORM 4 Code A | —1,774 at $0.00 | filing |
| 15 Aug 2026filed 17 Aug 2026 | MLAB Mesa LaboratoriesLife-science tools | SEC FORM 4 Code M | —2,784 at $0.00 | filing |
| 15 Aug 2026filed 17 Aug 2026 | MLAB Mesa Laboratoriesoption or derivative · Life-science tools | SEC FORM 4 Code M | —2,784 at $0.00 | filing |
| 15 Aug 2026filed 17 Aug 2026 | MLAB Mesa Laboratoriesoption or derivative · Life-science tools | SEC FORM 4 Code M | —2,784 at $0.00 | filing |
| 15 Aug 2026filed 17 Aug 2026 | MLAB Mesa LaboratoriesLife-science tools | SEC FORM 4 Code M | —2,784 at $0.00 | filing |
| 13 Aug 2026filed 17 Aug 2026 | MLAB Mesa LaboratoriesLife-science tools | SEC FORM 4 Sold | $800K7,093 at $112.80 | filing |
| 13 Aug 2026filed 17 Aug 2026 | MLAB Mesa LaboratoriesLife-science tools | SEC FORM 4 Sold | $800K7,093 at $112.80 | filing |
| 2 Dec 2025filed 5 Dec 2025 | MLAB Mesa LaboratoriesLife-science tools | SEC FORM 4 Code G | —2,000 at $0.00 | filing |
| 15 Aug 2025filed 18 Aug 2025 | MLAB Mesa Laboratoriesoption or derivative · Life-science tools | SEC FORM 4 Code M | —1,404 at $0.00 | filing |
| 15 Aug 2025filed 18 Aug 2025 | MLAB Mesa Laboratoriesoption or derivative · Life-science tools | SEC FORM 4 Code A | —2,784 at $0.00 | filing |
| 15 Aug 2025filed 18 Aug 2025 | MLAB Mesa LaboratoriesLife-science tools | SEC FORM 4 Code M | —1,404 at $0.00 | filing |
| 19 Nov 2024filed 25 Nov 2024 | MLAB Mesa LaboratoriesLife-science tools | SEC FORM 4 Code G | —2,000 at $0.00 | filing |
| 1 Sep 2024filed 6 Sep 2024 | MLAB Mesa Laboratoriesoption or derivative · Life-science tools | SEC FORM 4 Code M | —1,074 at $0.00 | filing |
| 1 Sep 2024filed 6 Sep 2024 | MLAB Mesa LaboratoriesLife-science tools | SEC FORM 4 Code M | —1,074 at $0.00 | filing |
| 15 Aug 2024filed 19 Aug 2024 | MLAB Mesa Laboratoriesoption or derivative · Life-science tools | SEC FORM 4 Code A | —1,404 at $0.00 | filing |
| 2 Apr 2024filed 3 Apr 2024 | MLAB Mesa Laboratoriesoption or derivative · Life-science tools | SEC FORM 4 Code E | —450 at $0.00 | filing |
| 9 Nov 2023filed 14 Nov 2023 | MLAB Mesa LaboratoriesLife-science tools | SEC FORM 4 Code G | —200 at $0.00 | filing |
| 9 Nov 2023filed 14 Nov 2023 | MLAB Mesa LaboratoriesLife-science tools | SEC FORM 4 Code G | —200 at $0.00 | filing |
News
Mesa Laboratories (NASDAQ:MLAB) and CryoPort (NASDAQ:CYRX) Head-To-Head ReviewMLAB · tickerreport.com · 25 Oct 2026
0 headlines in the last 90 days name John James Sullivan; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.