Company / CIK 0000060519
LOUISIANA-PACIFIC CORP
- Ticker
- LPX
- Size, estimated from filings
- Mid cap ($2B – $10B)
- Insiders on file
- 15
- Members of Congress who traded it
- 1
- Federal contracts on record
- none matched
- Lobbying filings on record
- none matched
- SEC filings
- EDGAR ↗
- Latest trade on record
- September 1, 2026
LOUISIANA-PACIFIC CORP (LPX) has 15 insiders on file who disclosed 80 transactions in the last 12 months (2 open-market buys, 57 sales, about $21.8M at reported prices), and 4 congressional trades in its stock are on record. No federal contract award that started in the last 180 days was found for a recipient with exactly this name; no lobbying filing names it as client this year.
LOUISIANA-PACIFIC CORP in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
BoughtSold
8 people account for the disclosed buying and selling in LOUISIANA-PACIFIC CORP over the last 12 months; the most active is Southern William Bradley with $18M.
Insiders
| Name | Role | Rows | Bought | Sold | Last filed |
|---|---|---|---|---|---|
| Howald Aaron | SVP, CFO | 1 | 0 | 0 | September 3, 2026 |
| Hamill Anthony | SVP, COO | 2 | 0 | 1 | July 6, 2026 |
| Bruce Lizanne M | Director | 4 | 0 | 2 | June 16, 2026 |
| Bayardo Jose A | Director | 1 | 0 | 0 | May 11, 2026 |
| Silberhorn Ty R | Director | 1 | 0 | 0 | May 11, 2026 |
| Ribieras JeanMichel | Director | 1 | 0 | 0 | May 11, 2026 |
| Macadam Stephen E. | Director | 2 | 1 | 0 | May 11, 2026 |
| GRASBERGER F NICHOLAS III | Director | 2 | 1 | 0 | May 11, 2026 |
| BARRETT KELLY HEFNER | Director | 1 | 0 | 0 | May 11, 2026 |
| Ringblom Jason Paul | President | 7 | 0 | 5 | April 8, 2026 |
| Southern William Bradley | Chief Executive Officer | 32 | 0 | 31 | February 18, 2026 |
| Sichling Craig M | SVP, Chief Commercial Officer | 8 | 0 | 6 | February 17, 2026 |
| Davis Leslie E | VP, Controller & CAO | 6 | 0 | 4 | February 17, 2026 |
| Haughie Alan | EVP, CFO | 6 | 0 | 4 | February 17, 2026 |
| Daniel Nicole C | SVP, General Counsel, Corp Sec | 6 | 0 | 4 | February 17, 2026 |
Rows are this company's Form 4 rows for each person. "Bought" and "sold" count open-market purchases (code P) and sales only. More in insider buying and insider selling.
Members of Congress who traded LPX
From periodic transaction reports that name the company's stock. Amounts are the sums of the ranges as filed. Every row is on the LPX page.
| Member | Seat | Trades | Bought | Sold | Range as filed | Latest |
|---|---|---|---|---|---|---|
| Lisa C. McClain | Representative (MI, District 9), Republican | 4 | 2 | 2 | $4,004–$60K | October 31, 2025 |
Insider transactions
| Filer | Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Howald Aaron | LPX | Other A | September 1, 2026 | September 3, 2026 | 2d | 9,083 | — | — | Form 4 ↗ | ||
| Hamill Anthony | LPX | Sell F | July 1, 2026 | July 6, 2026 | 5d | 1,064 | $79 | $84K | late | Form 4 ↗ | |
| Bruce Lizanne M | LPX | Other J | June 15, 2026 | June 16, 2026 | 1d | 378 | — | — | Form 4 ↗ | ||
| Bruce Lizanne M | LPX | Sell S | June 15, 2026 | June 16, 2026 | 1d | 1,141 | $78 | $89K | Form 4 ↗ | ||
| BARRETT KELLY HEFNER | LPX | Other A | May 8, 2026 | May 11, 2026 | 3d | 1,863 | — | — | Form 4 ↗ | ||
| Bruce Lizanne M | LPX | Other A | May 8, 2026 | May 11, 2026 | 3d | 1,863 | — | — | Form 4 ↗ | ||
| GRASBERGER F NICHOLAS III | LPX | Other A | May 8, 2026 | May 11, 2026 | 3d | 1,863 | — | — | Form 4 ↗ | ||
| Macadam Stephen E. | LPX | Other A | May 8, 2026 | May 11, 2026 | 3d | 1,863 | — | — | Form 4 ↗ | ||
| Ribieras JeanMichel | LPX | Other A | May 8, 2026 | May 11, 2026 | 3d | 1,863 | — | — | Form 4 ↗ | ||
| Silberhorn Ty R | LPX | Other A | May 8, 2026 | May 11, 2026 | 3d | 1,863 | — | — | Form 4 ↗ | ||
| Bayardo Jose A | LPX | Other A | May 8, 2026 | May 11, 2026 | 3d | 1,863 | — | — | Form 4 ↗ | ||
| Ringblom Jason Paul | LPX | Sell F | April 7, 2026 | April 8, 2026 | 1d | 1,198 | $70 | $84K | Form 4 ↗ | ||
| Bruce Lizanne M | LPX | Sell S | March 10, 2026 | March 11, 2026 | 1d | 1,300 | $79 | $102K | Form 4 ↗ | ||
| GRASBERGER F NICHOLAS III | LPX | Buy P | February 19, 2026 | February 23, 2026 | 4d | 20,000 | $85 | $1.7M | Form 4 ↗ | ||
| Southern William Bradley | LPX | Sell S | February 18, 2026 | February 18, 2026 | 0d | 707 | $90 | $63K | 10b5-1 plan | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell S | February 18, 2026 | February 18, 2026 | 0d | 3,286 | $89 | $292K | 10b5-1 plan | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell S | February 18, 2026 | February 18, 2026 | 0d | 4,592 | $88 | $404K | 10b5-1 plan | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell S | February 18, 2026 | February 18, 2026 | 0d | 5,581 | $87 | $485K | 10b5-1 plan | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell S | February 17, 2026 | February 18, 2026 | 1d | 1,320 | $90 | $119K | 10b5-1 plan | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell S | February 17, 2026 | February 18, 2026 | 1d | 9,323 | $89 | $834K | 10b5-1 plan | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell S | February 17, 2026 | February 18, 2026 | 1d | 3,230 | $89 | $286K | 10b5-1 plan | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell S | February 17, 2026 | February 18, 2026 | 1d | 293 | $87 | $25K | 10b5-1 plan | Form 4 ↗ | |
| Hamill Anthony | LPX | Other A | February 12, 2026 | February 17, 2026 | 5d | 6,710 | — | — | late | Form 4 ↗ | |
| Daniel Nicole C | LPX | Sell F | February 13, 2026 | February 17, 2026 | 4d | 592 | $94 | $55K | Form 4 ↗ | ||
| Daniel Nicole C | LPX | Sell F | February 12, 2026 | February 17, 2026 | 5d | 1,512 | $94 | $142K | late | Form 4 ↗ | |
| Daniel Nicole C | LPX | Other A | February 12, 2026 | February 17, 2026 | 5d | 3,843 | — | — | late | Form 4 ↗ | |
| Daniel Nicole C | LPX | Other A | February 12, 2026 | February 17, 2026 | 5d | 5,325 | — | — | late | Form 4 ↗ | |
| Davis Leslie E | LPX | Sell F | February 13, 2026 | February 17, 2026 | 4d | 115 | $94 | $11K | Form 4 ↗ | ||
| Davis Leslie E | LPX | Sell F | February 12, 2026 | February 17, 2026 | 5d | 124 | $94 | $12K | late | Form 4 ↗ | |
| Davis Leslie E | LPX | Other A | February 12, 2026 | February 17, 2026 | 5d | 419 | — | — | late | Form 4 ↗ | |
| Davis Leslie E | LPX | Other A | February 12, 2026 | February 17, 2026 | 5d | 1,385 | — | — | late | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell F | February 13, 2026 | February 17, 2026 | 4d | 2,361 | $94 | $221K | Form 4 ↗ | ||
| Southern William Bradley | LPX | Sell F | February 12, 2026 | February 17, 2026 | 5d | 16,475 | $94 | $1.5M | late | Form 4 ↗ | |
| Southern William Bradley | LPX | Other A | February 12, 2026 | February 17, 2026 | 5d | 41,852 | — | — | late | Form 4 ↗ | |
| Haughie Alan | LPX | Sell F | February 13, 2026 | February 17, 2026 | 4d | 887 | $94 | $83K | Form 4 ↗ | ||
| Haughie Alan | LPX | Sell F | February 12, 2026 | February 17, 2026 | 5d | 3,225 | $94 | $303K | late | Form 4 ↗ | |
| Haughie Alan | LPX | Other A | February 12, 2026 | February 17, 2026 | 5d | 8,196 | — | — | late | Form 4 ↗ | |
| Haughie Alan | LPX | Other A | February 12, 2026 | February 17, 2026 | 5d | 7,988 | — | — | late | Form 4 ↗ | |
| Sichling Craig M | LPX | Sell F | February 13, 2026 | February 17, 2026 | 4d | 173 | $94 | $16K | Form 4 ↗ | ||
| Sichling Craig M | LPX | Sell F | February 12, 2026 | February 17, 2026 | 5d | 691 | $94 | $65K | late | Form 4 ↗ | |
| Sichling Craig M | LPX | Other A | February 12, 2026 | February 17, 2026 | 5d | 1,603 | — | — | late | Form 4 ↗ | |
| Sichling Craig M | LPX | Other A | February 12, 2026 | February 17, 2026 | 5d | 4,260 | — | — | late | Form 4 ↗ | |
| Ringblom Jason Paul | LPX | Sell F | February 13, 2026 | February 17, 2026 | 4d | 709 | $94 | $66K | Form 4 ↗ | ||
| Ringblom Jason Paul | LPX | Sell F | February 12, 2026 | February 17, 2026 | 5d | 3,019 | $94 | $283K | late | Form 4 ↗ | |
| Ringblom Jason Paul | LPX | Other A | February 12, 2026 | February 17, 2026 | 5d | 7,672 | — | — | late | Form 4 ↗ | |
| Ringblom Jason Paul | LPX | Other A | February 12, 2026 | February 17, 2026 | 5d | 19,171 | — | — | late | Form 4 ↗ | |
| Davis Leslie E | LPX | Sell F | February 10, 2026 | February 11, 2026 | 1d | 47 | $97 | $4,540 | Form 4 ↗ | ||
| Sichling Craig M | LPX | Sell F | February 10, 2026 | February 11, 2026 | 1d | 224 | $97 | $22K | Form 4 ↗ | ||
| Haughie Alan | LPX | Sell F | February 10, 2026 | February 11, 2026 | 1d | 1,221 | $97 | $118K | Form 4 ↗ | ||
| Ringblom Jason Paul | LPX | Sell F | February 10, 2026 | February 11, 2026 | 1d | 1,143 | $97 | $110K | Form 4 ↗ | ||
| Daniel Nicole C | LPX | Sell F | February 10, 2026 | February 11, 2026 | 1d | 572 | $97 | $55K | Form 4 ↗ | ||
| Southern William Bradley | LPX | Sell F | February 10, 2026 | February 11, 2026 | 1d | 3,919 | $97 | $379K | Form 4 ↗ | ||
| Sichling Craig M | LPX | Sell F | February 8, 2026 | February 11, 2026 | 3d | 169 | $97 | $16K | Form 4 ↗ | ||
| Sichling Craig M | LPX | Sell F | January 29, 2026 | February 11, 2026 | 13d | 27 | $86 | $2,334 | late | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell F | February 8, 2026 | February 10, 2026 | 2d | 3,968 | $97 | $385K | Form 4 ↗ | ||
| Daniel Nicole C | LPX | Sell F | February 8, 2026 | February 10, 2026 | 2d | 792 | $97 | $77K | Form 4 ↗ | ||
| Haughie Alan | LPX | Sell F | February 8, 2026 | February 10, 2026 | 2d | 1,342 | $97 | $130K | Form 4 ↗ | ||
| Davis Leslie E | LPX | Sell F | February 8, 2026 | February 10, 2026 | 2d | 47 | $97 | $4,558 | Form 4 ↗ | ||
| Ringblom Jason Paul | LPX | Sell F | February 8, 2026 | February 10, 2026 | 2d | 1,117 | $97 | $108K | Form 4 ↗ | ||
| Southern William Bradley | LPX | Sell S | February 3, 2026 | February 4, 2026 | 1d | 65 | $91 | $5,945 | 10b5-1 plan | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell S | February 3, 2026 | February 4, 2026 | 1d | 726 | $91 | $66K | 10b5-1 plan | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell S | February 3, 2026 | February 4, 2026 | 1d | 532 | $90 | $48K | 10b5-1 plan | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell S | February 3, 2026 | February 4, 2026 | 1d | 9,893 | $89 | $878K | 10b5-1 plan | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell S | February 3, 2026 | February 4, 2026 | 1d | 5,930 | $88 | $520K | 10b5-1 plan | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell S | February 3, 2026 | February 4, 2026 | 1d | 3,406 | $87 | $296K | 10b5-1 plan | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell S | February 3, 2026 | February 4, 2026 | 1d | 700 | $86 | $60K | 10b5-1 plan | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell S | February 2, 2026 | February 4, 2026 | 2d | 7,080 | $85 | $603K | 10b5-1 plan | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell S | January 15, 2026 | January 16, 2026 | 1d | 4,017 | $94 | $376K | 10b5-1 plan | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell S | January 15, 2026 | January 16, 2026 | 1d | 6,361 | $93 | $593K | 10b5-1 plan | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell S | January 15, 2026 | January 16, 2026 | 1d | 3,788 | $92 | $349K | 10b5-1 plan | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell S | January 14, 2026 | January 16, 2026 | 2d | 47 | $93 | $4,389 | 10b5-1 plan | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell S | January 14, 2026 | January 16, 2026 | 2d | 3,762 | $92 | $348K | 10b5-1 plan | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell S | January 14, 2026 | January 16, 2026 | 2d | 48,088 | $92 | $4.4M | 10b5-1 plan | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell S | January 14, 2026 | January 16, 2026 | 2d | 3,449 | $91 | $313K | 10b5-1 plan | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell S | December 16, 2025 | December 17, 2025 | 1d | 101 | $86 | $8,690 | 10b5-1 plan | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell S | December 16, 2025 | December 17, 2025 | 1d | 1,217 | $85 | $104K | 10b5-1 plan | Form 4 ↗ | |
| Southern William Bradley | LPX | Sell S | December 15, 2025 | December 17, 2025 | 2d | 42,514 | $86 | $3.7M | 10b5-1 plan | Form 4 ↗ | |
| Sichling Craig M | LPX | Sell F | December 5, 2025 | December 9, 2025 | 4d | 44 | $82 | $3,611 | Form 4 ↗ | ||
| Southern William Bradley | LPX | Sell F | December 5, 2025 | December 9, 2025 | 4d | 839 | $82 | $69K | Form 4 ↗ | ||
| Macadam Stephen E. | LPX | Buy P | November 7, 2025 | November 12, 2025 | 5d | 3,200 | $78 | $250K | late | Form 4 ↗ |
Federal contracts (USAspending, awards started in the last 180 days)
No contract award starting in the last 180 days was found for a recipient named exactly "LOUISIANA-PACIFIC CORP". Subsidiaries and differently-spelled recipients are not matched — search contracts.
Lobbying (Senate LDA, as client)
No LDA filing posted since October 2025 names "LOUISIANA-PACIFIC CORP" as the client. Filings under a subsidiary or trade-association name are not matched — search lobbying.
Related companies
Companies whose stock was traded by the same people who traded LPX, by number of filers in common. It shows overlap in public filings and nothing else.
- UNITED THERAPEUTICS Corp UTHR 1 filer in common
- Dell Technologies Inc. DELL 1 filer in common
- Seagate Technology Holdings plc STX 1 filer in common
- Uber Technologies, Inc UBER 1 filer in common
- Datadog, Inc. DDOG 1 filer in common
- Arista Networks, Inc. ANET 1 filer in common
- Meta Platforms, Inc. META 1 filer in common
- Albertsons Companies, Inc. ACI 1 filer in common
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| House Clerk, periodic transaction reports | 2 | 4 | October 22, 2025 | November 21, 2025 | House Clerk search |
| SEC EDGAR, Form 4 | 39 | 80 | November 12, 2025 | September 3, 2026 | Form 4 list on EDGAR |
Site built October 27, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insiders and their transactions come from SEC EDGAR Form 4 filings for this issuer. Contracts and lobbying are matched by exact normalized name (suffixes like Inc./Corp. ignored) to USAspending recipients and LDA clients — a conservative match that misses subsidiaries on purpose. See methodology and corrections.
Not investment advice. Public records shown as filed; no recommendation is made or implied.