The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Buesinger Robert F. since 2016.
This trader's CIK number is 1488587.
At the time of last reporting, Buesinger Robert F. was the EVP, PEM Segment Head of Westlake Corp. (stock ticker symbol WLK).
Also see all insider trading activities at Westlake Corp.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | WLK | 83 | $7,751 | 83 | $6,034 | 12,923 | $0 |
| 2024 | WLK | 0 | $0 | 7,500 | $1,132,750 | 27,137 | $1,617,407 |
| 2023 | WLK | 0 | $0 | 4,215 | $550,057 | 18,589 | $953,400 |
| 2022 | WLK | 0 | $0 | 40,712 | $4,934,904 | 40,851 | $3,043,973 |
| 2021 | WLK | 0 | $0 | 21,513 | $2,073,093 | 21,338 | $1,054,173 |
| 2020 | WLK | 0 | $0 | 4,581 | $355,027 | 7,887 | $203,488 |
| 2019 | WLK | 0 | $0 | 0 | $0 | 8,534 | $0 |
| 2018 | WLK | 0 | $0 | 20,796 | $2,358,932 | 17,297 | $890,184 |
| 2017 | WLK | 0 | $0 | 16,081 | $1,295,373 | 15,081 | $702,749 |
| 2016 | WLK | 0 | $0 | 2,880 | $156,738 | 4,994 | $86,552 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-04-22 | WLK | Buy | 83 | 93.39 | 7,751 |
| 2025-05-27 | WLK | Sale | 83 | 72.70 | 6,034 |
| 2025-02-18 | WLK | Option Ex | 12,923 | .00 | 0 |
| 2024-08-13 | WLK | Option Ex | 7,051 | .00 | 0 |
| 2024-05-09 | WLK | Sale | 3,500 | 158.50 | 554,750 |
| 2024-05-07 | WLK | Option Ex | 3,133 | 122.65 | 384,262 |
| 2024-03-15 | WLK | Sale | 3,878 | 144.50 | 560,371 |
| 2024-03-13 | WLK | Sale | 122 | 144.50 | 17,629 |
| 2024-03-07 | WLK | Option Ex | 12,670 | 97.33 | 1,233,145 |
| 2024-02-19 | WLK | Option Ex | 4,283 | .00 | 0 |
| 2023-11-15 | WLK | Sale | 4,215 | 130.50 | 550,057 |
| 2023-08-30 | WLK | Option Ex | 4,857 | 86.54 | 420,315 |
| 2023-08-29 | WLK | Option Ex | 8,100 | 65.81 | 533,085 |
| 2023-02-14 | WLK | Option Ex | 5,632 | .00 | 0 |
| 2022-08-31 | WLK | Sale | 1,000 | 98.94 | 98,940 |
| 2022-05-27 | WLK | Option Ex | 14,427 | 97.14 | 1,401,496 |
| 2022-05-27 | WLK | Sale | 14,427 | 129.47 | 1,867,820 |
| 2022-03-10 | WLK | Sale | 22,555 | 117.61 | 2,652,693 |
| 2022-03-10 | WLK | Option Ex | 22,555 | 72.82 | 1,642,477 |
| 2022-03-09 | WLK | Sale | 2,730 | 115.55 | 315,451 |
| 2022-02-15 | WLK | Option Ex | 3,869 | .00 | 0 |
| 2021-05-10 | WLK | Sale | 5,000 | 105.00 | 525,000 |
| 2021-03-08 | WLK | Option Ex | 16,513 | 63.84 | 1,054,173 |
| 2021-03-08 | WLK | Sale | 16,513 | 93.75 | 1,548,093 |
| 2021-02-16 | WLK | Option Ex | 2,569 | .00 | 0 |
| 2021-02-14 | WLK | Option Ex | 1,128 | .00 | 0 |
| 2021-02-14 | WLK | Option Ex | 1,128 | .00 | 0 |
| 2020-11-24 | WLK | Sale | 4,581 | 77.50 | 355,027 |
| 2020-11-24 | WLK | Option Ex | 4,581 | 44.42 | 203,488 |
| 2020-02-17 | WLK | Option Ex | 3,306 | .00 | 0 |
| 2019-12-01 | WLK | Option Ex | 4,995 | .00 | 0 |
| 2019-02-18 | WLK | Option Ex | 3,539 | .00 | 0 |
| 2018-05-15 | WLK | Sale | 1,447 | 118.88 | 172,012 |
| 2018-03-05 | WLK | Sale | 19,349 | 113.03 | 2,186,920 |
| 2018-03-05 | WLK | Option Ex | 15,315 | 58.12 | 890,184 |
| 2018-02-20 | WLK | Option Ex | 1,982 | .00 | 0 |
| 2017-12-01 | WLK | Sale | 2,674 | 98.50 | 263,389 |
| 2017-11-17 | WLK | Option Ex | 5,214 | 63.98 | 333,581 |
| 2017-11-17 | WLK | Sale | 5,214 | 93.82 | 489,198 |
| 2017-03-01 | WLK | Sale | 8,193 | 66.25 | 542,786 |
| 2017-03-01 | WLK | Option Ex | 8,193 | 45.06 | 369,168 |
| 2017-02-14 | WLK | Option Ex | 1,674 | .00 | 0 |
| 2016-11-10 | WLK | Option Ex | 2,880 | 30.05 | 86,552 |
| 2016-11-10 | WLK | Sale | 2,880 | 54.42 | 156,738 |
| 2016-02-15 | WLK | Option Ex | 2,114 | .00 | 0 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Buesinger Robert F. (EVP, PEM Segment Head of Westlake Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.