Luis Machuca
Director · COLUMBIA BANKING SYSTEM, INC.
Individual
- 2024
- Sep 15, 2026
- 10
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Luis Machuca 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.
- Steven R. Gardner - $404K in COLB purchases and sales in the last 12 months
- Torran B. Nixon - $128K in COLB purchases and sales in the last 12 months
- Devine David Moore - $115K in COLB purchases and sales in the last 12 months
- Kumi Yamamoto Baruffi - $25K in COLB purchases and sales in the last 12 months
- Aaron James Deer - $22K in COLB purchases and sales in the last 12 months
- Brock Lakely - $6K in COLB purchases and sales in the last 12 months
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Frequently asked questions
Who is Luis Machuca?
Luis Machuca is a corporate insider, tracked as Director of COLUMBIA BANKING SYSTEM, INC. (COLB). InsiderAlpha holds 10 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 Luis Machuca submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
