
Mark D. Klein
Chairman, CEO and President, Director · Neostellar Capital Corp.
- 2024
- Sep 22, 2026
- 11
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Mark D. Klein 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.
- Erik A. Falk - $511K in NSLR purchases and sales in the last 12 months
- Ronald M. Lott - $60K in NSLR purchases and sales in the last 12 months
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Frequently asked questions
Who is Mark D. Klein?
Mark D. Klein is a corporate insider, tracked as Chairman, CEO and President, Director of Neostellar Capital Corp. (NSLR). InsiderAlpha holds 11 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 Mark D. Klein submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Mark D. Klein been buying or selling stock?
Recorded transactions: 10 open-market purchases ($901K) and 0 open-market sales across all tracked filings.