Key facts
- This page summarizes Ruben Calderon's Form 4 filing for JFB Construction Holdings (JFB).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 10 Dec 2025, 14:48.
Ruben Calderon - 10 Dec 2025 Form 4 Insider Report for JFB Construction Holdings (JFB)
- Reporting relationship
- Chief Financial Officer
- Issuer ticker
- JFB
- Reported as of
- 10 Dec 2025
- Net transaction value
- +$29,016
- SEC form
- 4
- Accepted by SEC
- 10 Dec 2025, 14:48:30 UTC
- Prior SEC filing
- 20 Aug 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ Ruben Calderon
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Ruben Calderon filed Form 4 for JFB Construction Holdings (JFB) on 10 Dec 2025.
Change
- Previous filing in this sequence was filed on 20 Aug 2025.
- Current net transaction value: +$29,016.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0002061362
Primary reporting owner
Calderon Ruben
- Relationship
- Chief Financial Officer
- Address
- 1129 WANDERING WILLOW WAY, LOXAHATCHEE
- Signature
- /s/ Ruben Calderon
- Signature date
- 10 Dec 2025
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
JFB
transaction
Class A Common Stock
Purchase
- Transaction value
- $29,016
- Shares
- +1,550
- Change %
- +6.2%
- Price
- $18.72
- Shares after
- 26,550
- Date
- 10 Dec 2025
- Ownership
- Direct
* marks a reported price that did not pass the local price check.