Latest filingSep 14, 2026Most recent Form 4
BLDR
Builders FirstSource, Inc.
NYSEConsumer DiscretionaryRetail-Lumber & Other Building Materials Dealers
Insider activity for last month from 08/14 to 09/14. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$00 sells
Net open-market+$08 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period8transactions
- A · Grants / awards · dominant8 · 100%
Activity by reported role
A joint filing can contribute to multiple roles8transactions
- Director · dominant8 · 100%
Distinct insiders active
Reporting-owner CIKs by month · peak Sep 2026 (8)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeBoydston Cory JacobsCommon Stock, par value $0.01 per share · Direct
27,191Sep 10, 2026
Christophe Cleveland ACommon Stock, par value $0.01 per share · Direct
38,762Sep 10, 2026
Hayes William BCommon Stock, par value $0.01 per share · Direct
20,221Sep 10, 2026
Levy Paul SCommon Stock, par value $0.01 per share · Direct
1,732,002Sep 10, 2026
Renz MariaCommon Stock, par value $0.01 per share · Direct
6,870Sep 10, 2026
Charles Dirkson RCommon Stock, par value $0.01 per share · Direct
14,766Sep 10, 2026
Oleary JamesCommon Stock, par value $0.01 per share · Direct
91,795Sep 10, 2026
Steinke Craig ArthurCommon Stock, par value $0.01 per share · Direct
102,626Sep 10, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 14 → Sep 14
LessMore
Top insiders
By absolute net value across the selected period- SA+$0
- OJ+$0
- CR+$0
- RM+$0
- LS+$0
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
No filing-only signal badges matched this period.
BLDR transaction history
Filters apply within this company and selected period by defaultLatest insider transactions
Form 4 filings from last month. Click any column to sort; click it again to flip the order.
| ID | Ticker | Insider | Role | Type | Shares | Value | Code | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|
| #214576 | BLDR | Steinke Craig Arthur | DIR | grant | 564 | $0 | A | 09/14 | 09/10 |
| #214560 | BLDR | Oleary James | DIR | grant | 564 | $0 | A | 09/14 | 09/10 |
| #214511 | BLDR | Charles Dirkson R | DIR | grant | 470 | $0 | A | 09/14 | 09/10 |
| #214452 | BLDR | Renz Maria | DIR | grant | 489 | $0 | A | 09/14 | 09/10 |
| #214405 | BLDR | Levy Paul S | DIR | grant | 1.20k | $0 | A | 09/14 | 09/10 |
| #214389 | BLDR | Hayes William B | DIR | grant | 583 | $0 | A | 09/14 | 09/10 |
| #214351 | BLDR | Christophe Cleveland A | DIR | grant | 564 | $0 | A | 09/14 | 09/10 |
| #214323 | BLDR | Boydston Cory Jacobs | DIR | grant | 470 | $0 | A | 09/14 | 09/10 |
Builders FirstSource, Inc. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at Builders FirstSource, Inc.?
Steinke Craig Arthur, OLEARY JAMES, Charles Dirkson R, Renz Maria, LEVY PAUL S, Hayes William B, CHRISTOPHE CLEVELAND A, Boydston Cory Jacobs.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
No code-S sale is available for this period.
What is the recent purchase and sale balance?
No code-P purchases or code-S sales were reported in the selected period.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.