William Bradley Southern
Chief Executive Officer at Louisiana-Pacific Corporation
Sits on 3 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 3
- Current seats
- 3
- Board service
- 8 years
- Director since
- 2023
8 years of board service in total across 3 boards, counting each seat separately. Longest: Louisiana-Pacific Corporation, 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Worthington Enterprises Inc. September 21, 202699.8%
-
Louisiana-Pacific Corporation May 10, 202496.4%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 24, 2026 | Worthington Enterprises Inc. | Grant or award | +2,510 | — | — |
| Jul 6, 2026 | Worthington Enterprises Inc. | Grant or award | +705 | — | — |
| Feb 18, 2026 | Louisiana-Pacific Corporation | Open-market sale | −5,581 | $86.87 | $484,821 |
| Feb 18, 2026 | Louisiana-Pacific Corporation | Open-market sale | −4,592 | $88.05 | $404,326 |
| Feb 18, 2026 | Louisiana-Pacific Corporation | Open-market sale | −3,286 | $88.84 | $291,928 |
| Feb 18, 2026 | Louisiana-Pacific Corporation | Open-market sale | −707 | $89.61 | $63,354 |
| Feb 17, 2026 | Louisiana-Pacific Corporation | Open-market sale | −293 | $87.02 | $25,497 |
| Feb 17, 2026 | Louisiana-Pacific Corporation | Open-market sale | −3,230 | $88.61 | $286,210 |
| Feb 17, 2026 | Louisiana-Pacific Corporation | Open-market sale | −9,323 | $89.48 | $834,222 |
| Feb 17, 2026 | Louisiana-Pacific Corporation | Open-market sale | −1,320 | $90.12 | $118,958 |
| Feb 13, 2026 | Louisiana-Pacific Corporation | Shares withheld for tax | −2,361 | $93.62 | $221,037 |
| Feb 12, 2026 | Louisiana-Pacific Corporation | Grant or award | +41,852 | — | — |
| Feb 12, 2026 | Louisiana-Pacific Corporation | Shares withheld for tax | −16,475 | $93.89 | $1,546,838 |
| Feb 10, 2026 | Louisiana-Pacific Corporation | Shares withheld for tax | −3,919 | $96.59 | $378,536 |
| Feb 8, 2026 | Louisiana-Pacific Corporation | Shares withheld for tax | −3,968 | $96.97 | $384,777 |
Questions about William Bradley Southern
What boards is William Bradley Southern on?
William Bradley Southern sits on the boards of Astec Industries Inc., Louisiana-Pacific Corporation and Worthington Enterprises Inc.
What company is William Bradley Southern the CEO of?
William Bradley Southern is Chief Executive Officer of Louisiana-Pacific Corporation.
How long has William Bradley Southern served on boards?
Our records show at least 8 years of board service across 3 boards, the earliest from 2023.
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