BLDR
Builders FirstSource, Inc. · Retail Trade · Market cap $6.2B
Insider Buying
$4.4M
reported purchases (SEC code P)
Insider Selling
$391K
reported sales (SEC code S)
Unique Insiders
2
in the rolling window
Latest filing
Oct 20, 2026
Rush David E
Builders FirstSource, Inc. (BLDR) has 69 SEC Form 4 filings (89 transaction rows) in the rolling window, disclosed by 2 distinct insiders. Most recent filing: Oct 20, 2026.
Inside the rolling window, 2 insiders at Builders FirstSource, Inc. reported 1 open-market purchase totaling $4.4M and 1 open-market sale totaling $391K. Insiders have net sold $391K over the trailing 6 months. The most recent open-market filing is a sale of 5,000 shares by Director Rush David E, dated May 8, 2026, worth $391K.
- Industry:Construction Materials
- CEO:Peter Jackson
- Employees:28,000
- HQ:Irving, TX, US
- IPO:2005-06-28
| Source | |||||||
|---|---|---|---|---|---|---|---|
Rush David EFirst in 6 months | Director | Sale | 5,000 | $391K | May 12 | -20.9% | SEC ↗ |
LEVY PAUL SFirst filing | Director | Purchase | 50,000 | $4.4M | Mar 16 | -33.9% | SEC ↗ |
Congress trading BLDR 20 all-time
- DRep. Ro KhannaSale$1,001 - $15,0002026-08-10
- DRep. Ro KhannaPurchase$1,001 - $15,0002026-07-07
- DRep. Ro KhannaPurchase$1,001 - $15,0002026-07-07
- DRep. Ro KhannaPurchase$1,001 - $15,0002026-05-01
- DRep. Ro KhannaSale$1,001 - $15,0002025-08-13
- DRep. Ro KhannaSale$1,001 - $15,0002025-08-13
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does BLDR have?
Builders FirstSource, Inc. (BLDR) has 69 SEC Form 4 filings (89 transaction rows) in the rolling 365-day window, disclosed by 2 distinct insiders. Most recent filing: Oct 20, 2026.
When was the most recent SEC Form 4 filing for BLDR?
The most recent Form 4 filing for BLDR on Tracefour is dated Oct 20, 2026.
What is the net insider flow at BLDR over the last 6 months?
Over the trailing 180 days, insiders at BLDR have net sold $391K based on SEC Form 4 disclosures.
What is the total insider buy and sell value at BLDR in the current window?
Inside the rolling window, insiders at BLDR bought $4.4M and sold $391K based on SEC Form 4 filings.
Can I get alerts for BLDR insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Builders FirstSource, Inc. (BLDR). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Builders FirstSource, Inc. is in the Retail Trade sector.