PAGEInsider
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| WLK | Buesinger Robert F. | EVP, PEM Segment Head | Mar 27 '26 | Sale | 115.25 | 4,000 | 461,000 | 34,482 | Mar 31 |
| WLK | Buesinger Robert F. | EVP, PEM Segment Head | Feb 17 '26 | Option Exercise | 0.00 | 3,478 | 0 | 38,410 | Feb 19 |
| WLK | Buesinger Robert F. | EVP, PEM Segment Head | May 27 '25 | Sale | 72.70 | 83 | 6,034 | 0 | Jun 09 |
| WLK | Buesinger Robert F. | EVP, PEM Segment Head | Apr 22 '25 | Buy | 93.39 | 83 | 7,751 | 83 | Jun 09 |
| WLK | Buesinger Robert F. | EVP, HIP, IT & Digital | Feb 18 '25 | Option Exercise | 0.00 | 12,923 | 0 | 34,846 | Feb 20 |
| WLK | Buesinger Robert F. | EVP, HIP, IT & Digital | Aug 13 '24 | Option Exercise | 0.00 | 7,051 | 0 | 24,695 | Aug 15 |
| WLK | Buesinger Robert F. | EVP, HIP, IT & Digital | May 09 '24 | Sale | 158.50 | 3,500 | 554,750 | 17,644 | May 13 |
| WLK | Buesinger Robert F. | EVP, HIP, IT & Digital | May 07 '24 | Option Exercise | 122.65 | 3,133 | 384,262 | 24,277 | May 08 |
| WLK | Buesinger Robert F. | EVP, HIP, IT & Digital | Mar 15 '24 | Sale | 144.50 | 3,878 | 560,371 | 21,144 | Mar 18 |
| WLK | Buesinger Robert F. | EVP, HIP, IT & Digital | Mar 13 '24 | Sale | 144.50 | 122 | 17,629 | 25,022 | Mar 14 |
| WLK | Buesinger Robert F. | EVP, HIP, IT & Digital | Mar 07 '24 | Option Exercise | 99.59 | 12,670 | 1,261,843 | 37,814 | Mar 11 |
| WLK | Buesinger Robert F. | EVP, HIP, IT & Digital | Feb 19 '24 | Option Exercise | 0.00 | 4,283 | 0 | 29,629 | Feb 21 |
| WLK | Buesinger Robert F. | EVP, HIP, IT & Digital | Nov 15 '23 | Sale | 130.50 | 4,215 | 550,058 | 16,754 | Nov 17 |
| WLK | Buesinger Robert F. | EVP, HIP, IT & Digital | Aug 30 '23 | Option Exercise | 86.54 | 9,714 | 840,630 | 25,826 | Aug 31 |
| WLK | Buesinger Robert F. | EVP, HIP, IT & Digital | Aug 29 '23 | Option Exercise | 65.81 | 16,200 | 1,066,162 | 29,069 | Aug 30 |