Insiders who reported open-market trades in the last 12 months at the companies Andy Tsong 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.
Keh Shew Lu - $7.81M in DIOD purchases and sales in the last 12 months
Francis Tang - $3.11M in DIOD purchases and sales in the last 12 months
Brett R. Whitmire - $2.19M in DIOD purchases and sales in the last 12 months
Emily Yang - $1.22M in DIOD purchases and sales in the last 12 months
Gary Yu - $716K in DIOD purchases and sales in the last 12 months
Jin Zhao - $708K in DIOD purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Andy Tsong is a corporate insider, tracked as SVP Worldwide Products Group of DIODES INC /DEL/ (DIOD). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Andy Tsong last file a Form 4?
The most recent primary Form 4 on record is dated 27 May 2026, one of 5 filings going back to 2025.
Has Andy Tsong been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($692K) across all tracked filings.
Andy Tsong is SVP Worldwide Products Group of DIODES INC /DEL/ (DIOD). 5 SEC Form 4 filings on record going back to 2025, most recently on 27 May 2026. Most recent open-market trade: sold $169K of DIOD on 27 May 2026. Lifetime open-market sales: $692K.
Recent transactions
7
The latest 7 SEC Form 4 transactions reported by Andy Tsong.
InsiderAlpha's records for Andy Tsong go back to 2025: 5 primary Form 4 filings, an average of 2.5 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.
