Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Richard B. Black 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.
- Hung-Lun (Fred) Chang - $22.82M of AAOI open-market activity in the last 12 months
- Shu-Hua (Joshua) Yeh - $21.16M of AAOI open-market activity in the last 12 months
- Chih-Hsiang (Thompson) Lin - $19.87M of AAOI open-market activity in the last 12 months
- Stefan J. Murry - $16.06M of AAOI open-market activity in the last 12 months
- David C. Kuo - $13.15M of AAOI open-market activity in the last 12 months
- Cynthia Delaney - $12.76M of AAOI 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 Richard B. Black?
Richard B. Black is a corporate insider, tracked as Director of APPLIED OPTOELECTRONICS, INC. (AAOI). InsiderAlpha holds 8 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 Richard B. Black submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Richard B. Black been buying or selling stock?
Recorded transactions: 0 open-market purchases and 4 open-market sales ($1.24M) across all tracked filings.
Where can I see all of Richard B. Black'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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