Summary
Updated Aug 31, 2026
Siddhartha Kadia is President and CEO of MESA LABORATORIES INC /CO/ (MLAB). 3 SEC Form 4 filings on record, most recently on 17 August 2026. Most recent open-market trade: bought $800K of MLAB on 17 August 2026. Lifetime open-market purchases: $800K.
Recent Transactions
1Every recent SEC Form 4 transaction Siddhartha Kadia has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Siddhartha Kadia go back to 2026: 3 primary Form 4 filings, an average of 3.0 per year. The typical open-market purchase is $800K (1 buy totaling $800K). The largest single buy on record is $800K of MLAB in 2026. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Siddhartha Kadia 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.
- John James Sullivan - $800K of MLAB open-market activity in the last 12 months
- John Sakys - $377K of MLAB open-market activity in the last 12 months
- Brian David Archbold - $342K of MLAB open-market activity in the last 12 months
- Shiraz Shabanali Ladiwala - $253K of MLAB open-market activity in the last 12 months
- R. Tony Tripeny - $202K of MLAB open-market activity in the last 12 months
- Mark Christopher Capone - $99K of MLAB open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Siddhartha Kadia?
Siddhartha Kadia is a corporate insider, tracked as President and CEO of MESA LABORATORIES INC /CO/ (MLAB). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Siddhartha Kadia submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Siddhartha Kadia been buying or selling stock?
Recorded transactions: 1 open-market purchase ($800K) and 0 open-market sales across all tracked filings.
Where can I see all of Siddhartha Kadia's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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