William Bradley Southern
Chief Executive Officer, Louisiana-Pacific.
Companies
- Worthington IndustriesBoard member Jun 24, 2026 to now1
- GMS Inc.Board member Jan 23, 2024 to now2
- Louisiana-PacificBoard member Jul 3, 2017 to now3
- Louisiana-PacificChief executive officer Jul 3, 2017 to Apr 8, 20263
- ASTEC INDUSTRIES INCBoard member Oct 31, 2018 to Dec 4, 20234
- Louisiana-PacificChief operating officer Feb 1, 2017 to Feb 21, 20175
- Louisiana-PacificSenior Vice President May 11, 2012 to Dec 12, 20166
Holdings
Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.
Shares held
Louisiana-Pacific LPX447,553 shares7$31.4M at $70.22Feb 18, 2026- ASTEC INDUSTRIES INC ASTE11,292 shares8$435.3K at $38.55Dec 1, 2023
Worthington Industries WOR3,215 shares9$203.7K at $63.35Sep 24, 2026- GMS Inc.0 shares10Sep 4, 2025
As of each latest filing. The line shows shares held over time.
Recent filings
- Sep 24, 2026Granted 2,510 shares of Worthington Industries9
- Jul 6, 2026Granted 705 shares of Worthington Industries11
- Feb 18, 2026Sold 707 shares at $89.61 of Louisiana-Pacific7
- Feb 18, 2026Sold 3,286 shares at $88.84 of Louisiana-Pacific7
- Feb 18, 2026Sold 4,592 shares at $88.05 of Louisiana-Pacific7
- Feb 18, 2026Sold 5,581 shares at $86.87 of Louisiana-Pacific7
- Feb 17, 2026Sold 1,320 shares at $90.12 of Louisiana-Pacific7
- Feb 17, 2026Sold 9,323 shares at $89.48 of Louisiana-Pacific7
- Feb 17, 2026Sold 3,230 shares at $88.61 of Louisiana-Pacific7
- Feb 17, 2026Sold 293 shares at $87.02 of Louisiana-Pacific7
- Feb 13, 2026Shares withheld for tax 2,361 shares at $93.62 of Louisiana-Pacific12
- Feb 12, 2026Shares withheld for tax 16,475 shares at $93.89 of Louisiana-Pacific12
- Feb 12, 2026Granted 41,852 shares of Louisiana-Pacific12
- Feb 10, 2026Shares withheld for tax 3,919 shares at $96.59 of Louisiana-Pacific13
- Feb 8, 2026Shares withheld for tax 3,968 shares at $96.97 of Louisiana-Pacific14
- Feb 3, 2026Sold 65 shares at $91.46 of Louisiana-Pacific15
- Feb 3, 2026Sold 726 shares at $90.68 of Louisiana-Pacific15
- Feb 3, 2026Sold 532 shares at $89.78 of Louisiana-Pacific15
- Feb 3, 2026Sold 9,893 shares at $88.80 of Louisiana-Pacific15
- Feb 3, 2026Sold 5,930 shares at $87.70 of Louisiana-Pacific15
- Feb 3, 2026Sold 3,406 shares at $86.92 of Louisiana-Pacific15
- Feb 3, 2026Sold 700 shares at $85.89 of Louisiana-Pacific15
- Feb 2, 2026Sold 7,080 shares at $85.16 of Louisiana-Pacific15
- Jan 15, 2026Sold 4,017 shares at $93.71 of Louisiana-Pacific16
- Jan 15, 2026Sold 6,361 shares at $93.19 of Louisiana-Pacific16
Trade performance
| Date | Stock | Trade | Value | Return since | Vs S&P since | Vs S&P, 1 year |
|---|---|---|---|---|---|---|
| Feb 18, 2026 | LPX | Sale | $1.2M | −19.6% | +32.0% | |
| Feb 17, 2026 | LPX | Sale | $1.3M | −21.9% | +34.9% | |
| Feb 3, 2026 | LPX | Sale | $1.9M | −22.2% | +34.1% | |
| Feb 2, 2026 | LPX | Sale | $602.9K | −18.1% | +29.1% | |
| Jan 15, 2026 | LPX | Sale | $1.3M | −26.0% | +37.4% | |
| Jan 14, 2026 | LPX | Sale | $5.1M | −24.6% | +36.4% | |
| Dec 16, 2025 | LPX | Sale | $112.5K | −17.8% | +31.5% | |
| Dec 15, 2025 | LPX | Sale | $3.7M | −19.2% | +32.6% | |
| Aug 21, 2024 | LPX | Sale | $3.0M | −26.0% | +63.7% | +14.8% |
| Nov 16, 2021 | LPX | Buy | $359.7K | +3.7% | −60.8% | +8.6% |
| Nov 19, 2019 | LPX | Buy | $110.0K | +137.6% | −9.8% | −0.1% |
Returns are price-only (no dividends), measured from the trade date.
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1SEC EDGARWorthington Industries, Board member
- 2SEC EDGARGMS Inc., Board member
- 3SEC EDGARLouisiana-Pacific, Board member
- 4SEC EDGARASTEC INDUSTRIES INC, Board member
- 5
- 6
- 7
- 8
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- 10
- 11SEC EDGARForm 4 filed Jul 7, 2026
- 12SEC EDGARForm 4 filed Feb 17, 2026
- 13SEC EDGARForm 4 filed Feb 11, 2026
- 14SEC EDGARForm 4 filed Feb 10, 2026
- 15SEC EDGARForm 4 filed Feb 4, 2026
- 16SEC EDGARForm 4 filed Jan 16, 2026