Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Philip J. Ritter 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.
Frequently asked questions
Who is Philip J. Ritter?
Philip J. Ritter is a corporate insider of DIODES INC /DEL/ (DIOD). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Philip J. Ritter last file a Form 4?
The only primary Form 4 on record is dated 13 May 2026.
