BLDR · ISSUER CIK 1316835
Builders FirstSource, Inc.
Between Aug 1, 2026 and Oct 29, 2026, 9 Builders FirstSource, Inc. insiders reported $0.00 of open-market purchases and $0.00 of sales on SEC Form 4.
↗9 insiders filed
Original Form 4 filings from Aug 1, 2026 to Oct 29, 2026. No open-market sales in the window.
$0.00Insider buying
$0.00Insider selling
$0.00Net open-market
Oct 20, 2026Latest filing
| Ticker | Insider | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 20, 202616:05 | Oct 18, 2026 | BLDR | COO-Designate | A · Grant | — | +12,808 | 64,950 | +25% | — | ||
| Sep 14, 202616:05 | Sep 10, 2026 | BLDR | Director | A · Grant | — | +564 | 102,626 | +1% | — | ||
| Sep 14, 202616:05 | Sep 10, 2026 | BLDR | Director | A · Grant | — | +564 | 91,795 | +1% | — | ||
| Sep 14, 202616:05 | Sep 10, 2026 | BLDR | Director | A · Grant | — | +470 | 14,766 | +3% | — | ||
| Sep 14, 202616:05 | Sep 10, 2026 | BLDR | Director | A · Grant | — | +489 | 6,870 | +8% | — | ||
| Sep 14, 202616:05 | Sep 10, 2026 | BLDR | Director | A · Grant | — | +1,204 | 1,732,002 | +0% | — | ||
| Sep 14, 202616:05 | Sep 10, 2026 | BLDR | Director | A · Grant | — | +583 | 20,221 | +3% | — | ||
| Sep 14, 202616:05 | Sep 10, 2026 | BLDR | Director | A · Grant | — | +564 | 38,762 | +1% | — | ||
| Sep 14, 202616:05 | Sep 10, 2026 | BLDR | Director | A · Grant | — | +470 | 27,191 | +2% | — |