Insider · CIK 0002061362
Ruben Calderon
Files at JFB (JFB Construction Holdings). First filing Dec 10, 2025, latest Dec 10, 2025.
In brief
Ruben Calderon files SEC Form 4 as CFO at JFB (JFB Construction Holdings). Since Dec 10, 2025, Ruben Calderon has reported 1 open-market buy worth $29k and 0 open-market sells worth $0, the latest filed on Dec 10, 2025.
A track record needs three past buys with six months of prices behind them; Ruben Calderon has 0, so none is measured yet.
The newest scored trade: bought $29k of JFB on Dec 10, 2025, filed Dec 10, 2025, scored 38 (weak). In the last 12 months: 1 buy worth $29k and 0 sells worth $0.
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 38Weak | JFB Construction Holdings | $29k 1,550 shares | +6% | - |
Transactions
Every row this insider has filed, 2 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Dec 10, 2025 | JFB JFB Construction Holdings | POpen-market purchase Class A Common Stock | +1,550 | $18.72 | $29k | 26,550 | Dec 10, 2025 |
| Jun 30, 2025 | JFB JFB Construction Holdings | AGrant or award Class A Common Stock | +25,000 | $0.00 | $0 | 25,000 | Aug 20, 2025 |
Questions about Ruben Calderon
Answered from the filings on this page, as of the latest one.
Is Ruben Calderon buying or selling?
In the last 12 months Ruben Calderon reported 1 open-market buy worth $29k and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $29k of JFB on Dec 10, 2025. Grants, option exercises and tax withholding are not counted.
How did Ruben Calderon's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Ruben Calderon has 0.
Where does Ruben Calderon file Form 4?
Ruben Calderon has filed Form 4 at JFB (JFB Construction Holdings) as Chief Financial Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.