Jonathan Klamkin
Chief Executive Officer, Director · Aeluma, Inc.
- 2025
- Sep 23, 2026
- 8
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Jonathan Klamkin 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.
- Mark N. Tompkins - $10.05M in ALMU purchases and sales in the last 12 months
- Steven Denbaars - $1.27M in ALMU purchases and sales in the last 12 months
- Lee McCarthy - $4K in ALMU purchases and sales in the last 12 months
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Frequently asked questions
Who is Jonathan Klamkin?
Jonathan Klamkin is a corporate insider, tracked as Chief Executive Officer, Director of Aeluma, Inc. (ALMU). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Jonathan Klamkin submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Jonathan Klamkin been buying or selling stock?
Recorded transactions: 0 open-market purchases and 17 open-market sales ($7.08M) across all tracked filings.
