
Leonard J. Leblanc
Director · AXT INC
- 2025
- Aug 19, 2026
- 4
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Leonard J. Leblanc 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.
- Morris S. Young - $31.62M in AXTI purchases and sales in the last 12 months
- Jesse Chen - $10.25M in AXTI purchases and sales in the last 12 months
- Gary L. Fischer - $6.44M in AXTI purchases and sales in the last 12 months
- David C. Chang - $4.86M in AXTI purchases and sales in the last 12 months
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Frequently asked questions
Who is Leonard J. Leblanc?
Leonard J. Leblanc is a corporate insider, tracked as Director of AXT INC (AXTI). InsiderAlpha holds 4 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 Leonard J. Leblanc submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Leonard J. Leblanc been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($415K) across all tracked filings.