Alex Sum
Sr. VP of Sales and Marketing · GCT Semiconductor Holding, Inc.
- 2025
- Sep 14, 2026
- 2
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Alex Sum 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.
- Hyunsoo Shin - $58K in GCTS purchases and sales in the last 12 months
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Frequently asked questions
Who is Alex Sum?
Alex Sum is a corporate insider, tracked as Sr. VP of Sales and Marketing of GCT Semiconductor Holding, Inc. (GCTS). InsiderAlpha holds 2 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 Alex Sum submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.