Ruben Calderon
Chief Financial Officer · JFB Construction Holdings
- 2025
- Dec 10, 2025
- 2
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Ruben Calderon 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.
- Joseph Frank Basile III - $99K in JFB purchases and sales in the last 12 months
- David Scott Clukey - $60K in JFB purchases and sales in the last 12 months
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Frequently asked questions
Who is Ruben Calderon?
Ruben Calderon is a corporate insider, tracked as Chief Financial Officer of JFB Construction Holdings (JFB). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Ruben Calderon last file a Form 4?
The most recent primary Form 4 on record is dated 10 December 2025, one of 2 filings going back to 2025.
Has Ruben Calderon been buying or selling stock?
Recorded transactions: 1 open-market purchase ($29K) and 0 open-market sales across all tracked filings.