John James Sullivan
Director · MESA LABORATORIES INC /CO/
IndividualSelling only
- 2024
- Sep 11, 2026
- 5
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies John James Sullivan files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Siddhartha Kadia - $800K in MLAB purchases and sales in the last 12 months
- John Sakys - $377K in MLAB purchases and sales in the last 12 months
- Brian David Archbold - $342K in MLAB purchases and sales in the last 12 months
- Shiraz Shabanali Ladiwala - $253K in MLAB purchases and sales in the last 12 months
- R. Tony Tripeny - $202K in MLAB purchases and sales in the last 12 months
- Mark Christopher Capone - $99K in MLAB purchases and sales in the last 12 months
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Frequently asked questions
Who is John James Sullivan?
John James Sullivan is a corporate insider, tracked as Director of MESA LABORATORIES INC /CO/ (MLAB). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has John James Sullivan submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has John James Sullivan been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($800K) across all tracked filings.
