Builders FirstSource, Inc. (BLDR) Insider Trading
Over the last 6 months, 522 institutions increased and 520 reduced their position (13F).
Insider Activity
Sentiment
50/100
Buys (3m)
0
Sells (3m)
0
Net (3m)
$0
Insider trades by month Buys Sells
Mar
May
Jun
Aug
Mar
May
Context3-month price -13.7%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jul 21, 2026 | Vaughn Paulofficer: President - West Division | Grant | 3,366 | — |
| Jul 21, 2026 | O'Brien Matthew Coleyofficer: Chief Human Resources Officer | Grant | 7,406 | — |
| Jul 21, 2026 | Vance Toddofficer: President - East Division | Grant | 3,366 | — |
| Jun 16, 2026 | Narayan Gayatriofficer: President - Tech & Digital | Tax | 2,842 | $77.77 |
| Jun 2, 2026 | ALEXANDER MARK Adirector | Grant | 409 | $76.26 |
| Jun 2, 2026 | Charles Dirkson Rdirector | Grant | 409 | $76.26 |
| Jun 2, 2026 | OLEARY JAMESdirector | Grant | 491 | $76.26 |
| Jun 2, 2026 | Hayes William Bdirector | Grant | 508 | $76.26 |
| Jun 2, 2026 | Boydston Cory Jacobsdirector | Grant | 409 | $76.26 |
| Jun 2, 2026 | LEVY PAUL Sdirector | Grant | 1,049 | $76.26 |
| Jun 2, 2026 | Steinke Craig Arthurdirector | Grant | 491 | $76.26 |
| Jun 2, 2026 | Renz Mariadirector | Grant | 426 | $76.26 |
| Jun 2, 2026 | CHRISTOPHE CLEVELAND Adirector | Grant | 491 | $76.26 |
| May 18, 2026 | Rush David Edirector | Grant | 2,558 | — |
| May 18, 2026 | ALEXANDER MARK Adirector | Grant | 2,558 | — |
| May 18, 2026 | Steinke Craig Arthurdirector | Grant | 2,558 | — |
| May 18, 2026 | CHRISTOPHE CLEVELAND Adirector | Grant | 2,558 | — |
| May 18, 2026 | Boydston Cory Jacobsdirector | Grant | 2,558 | — |
| May 18, 2026 | MILGRIM BRETT Ndirector | Grant | 2,558 | — |
| May 18, 2026 | OLEARY JAMESdirector | Grant | 2,558 | — |
| May 18, 2026 | AINOA CHERYLdirector | Grant | 2,558 | — |
| May 18, 2026 | Charles Dirkson Rdirector | Grant | 2,558 | — |
| May 18, 2026 | Hayes William Bdirector | Grant | 2,558 | — |
| May 18, 2026 | LEVY PAUL Sdirector | Grant | 2,558 | — |
| May 18, 2026 | Renz Mariadirector | Grant | 2,558 | — |
| May 12, 2026 | Rush David Edirector | Sell | 5,000 | $78.17 |
| Mar 17, 2026 | Jackson Peter M.director, officer: President & CEO | Grant | 8,392 | — |
| Mar 17, 2026 | Jackson Peter M.director, officer: President & CEO | Grant | 42,570 | — |
| Mar 17, 2026 | Herron Stephen Jofficer: Chief Operating Officer | Tax | 5,818 | $88.09 |
| Mar 17, 2026 | Vaughn Paulofficer: President - Central Division | Grant | 2,237 | — |
Source: BLDR SEC Form 4 filings, latest Jul 21, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their BLDR positions over the last 6 months (SEC Form 13F).
Increased
522
New positions
201
Reduced
520
Sold out
155
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Reduced | 8.8M | May 13, 2026 |
| BlackRock, Inc. | Reduced | 7.8M | Aug 7, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 7.0M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Reduced | 6.9M | Aug 13, 2026 |
| STATE STREET CORP | Increased | 5.1M | May 15, 2026 |
| STATE STREET CORP | Reduced | 4.8M | Aug 7, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 4.3M | May 8, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 4.2M | Aug 13, 2026 |
| Capital International Investors | Increased | 3.9M | Aug 12, 2026 |
| Pictet Asset Management Holding SA | Increased | 3.8M | Jul 30, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Increased | 3.7M | May 15, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | 3.5M | Aug 14, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 3.4M | Aug 11, 2026 |
| Invesco Ltd. | Increased | 3.3M | Aug 14, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 3.0M | May 7, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.