# Builders FirstSource, Inc. (BLDR) insider trading, Q3 2026

Canonical: https://sec-api.dev/insider-trading/bldr

> 11 non-derivative transactions: 0 purchases, 0 sales. CIK 1316835.

| Date | Insider | Relationship | Code | Shares | Price | Owned after | Filing |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2026-09-10 | Boydston Cory Jacobs | Director | A | 470.0 | 0.0 | 27191.0 | https://www.sec.gov/Archives/edgar/data/1316835/000119312526390542/0001193125-26-390542-index.htm |
| 2026-09-10 | CHRISTOPHE CLEVELAND A | Director | A | 564.0 | 0.0 | 38762.0 | https://www.sec.gov/Archives/edgar/data/1316835/000119312526390543/0001193125-26-390543-index.htm |
| 2026-09-10 | Hayes William B | Director | A | 583.0 | 0.0 | 20221.0 | https://www.sec.gov/Archives/edgar/data/1316835/000119312526390546/0001193125-26-390546-index.htm |
| 2026-09-10 | LEVY PAUL S | Director | A | 1204.0 | 0.0 | 1732002.0 | https://www.sec.gov/Archives/edgar/data/1316835/000119312526390547/0001193125-26-390547-index.htm |
| 2026-09-10 | Renz Maria | Director | A | 489.0 | 0.0 | 6870.0 | https://www.sec.gov/Archives/edgar/data/1316835/000119312526390548/0001193125-26-390548-index.htm |
| 2026-09-10 | OLEARY JAMES | Director | A | 564.0 | 0.0 | 91795.0 | https://www.sec.gov/Archives/edgar/data/1316835/000119312526390551/0001193125-26-390551-index.htm |
| 2026-09-10 | Charles Dirkson R | Director | A | 470.0 | 0.0 | 14766.0 | https://www.sec.gov/Archives/edgar/data/1316835/000119312526390552/0001193125-26-390552-index.htm |
| 2026-09-10 | Steinke Craig Arthur | Director | A | 564.0 | 0.0 | 102626.0 | https://www.sec.gov/Archives/edgar/data/1316835/000119312526390554/0001193125-26-390554-index.htm |
| 2026-07-18 | Vance Todd | Officer | A | 3366.0 | 0.0 | 42684.0 | https://www.sec.gov/Archives/edgar/data/1316835/000119312526310380/0001193125-26-310380-index.htm |
| 2026-07-18 | Vaughn Paul | Officer | A | 3366.0 | 0.0 | 40724.0 | https://www.sec.gov/Archives/edgar/data/1316835/000119312526310383/0001193125-26-310383-index.htm |
| 2026-07-18 | O'Brien Matthew Coley | Officer | A | 7406.0 | 0.0 | 7406.0 | https://www.sec.gov/Archives/edgar/data/1316835/000119312526310384/0001193125-26-310384-index.htm |

Source: https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets

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