Insiders who reported open-market trades in the last 12 months at the companies Ming Hsieh 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.
Ken Xie - $78.15M in FTNT purchases and sales in the last 12 months
Michael Xie - $29.54M in FTNT purchases and sales in the last 12 months
John Whittle - $28.14M in FTNT purchases and sales in the last 12 months
Jian Xie - $505K in FLGT purchases and sales in the last 12 months
Christiane Ohlgart - $408K in FTNT purchases and sales in the last 12 months
Hanlin Gao - $173K in FLGT purchases and sales in the last 12 months
More insiders (A-Z)
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Ming Hsieh is a corporate insider, tracked as Director of Fortinet, Inc. (FTNT). InsiderAlpha holds 27 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 Ming Hsieh submitted recently?
4 primary Form 4 filings in the last 90 days, covering 2 companies.
Has Ming Hsieh been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($41K) across all tracked filings.
Ming Hsieh is Director of Fortinet, Inc. (FTNT). 27 SEC Form 4 filings on record going back to 2024, most recently on 1 October 2026. Lifetime open-market sales: $41K.
Recent transactions
20
The latest 20 SEC Form 4 transactions reported by Ming Hsieh.
InsiderAlpha's records for Ming Hsieh go back to 2024: 27 primary Form 4 filings, an average of 9.0 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
