Buesinger F. Robert's Insider Trades & SAST Disclosures

Buesinger F. Robert's most recent trade in Westlake Corporation was a trade of 4,000 Common Stock done at an average price of $115.3 . Disclosure was reported to the exchange on March 30, 2026.

Stock Client Name Client Category Action Reported to Exchange Quantity Post Transaction Holding Traded % Avg. Price Value Security Type
Westlake Corp
Robert F. Buesinger EVP, PEM Segment Head Sale of securities on an exchange or to another person at price $ 115.25 per share. 30 Mar 2026 4,000 34,482 (0%) 0% 115.3 461,000 Common Stock
Westlake Corp
Robert F. Buesinger EVP, PEM Segment Head 22 Apr 2025 83 83 (0%) 0% 93.4 7,751 Common Stock
Westlake Corp
Robert F. Buesinger EVP, PEM Segment Head 22 Apr 2025 83 0 (0%) 0% 72.7 6,034 Common Stock
Westlake Corp
Robert F. Buesinger EVP, PEM 11 Apr 2025 17,101 17,101 - - Restricted Stock Units
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 20 Feb 2025 13,141 13,141 - - Employee Option (right to buy)
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 20 Feb 2025 6,839 37,670 (0%) 0% 0 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 20 Feb 2025 4,356 4,356 - - Restricted Stock Units
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 20 Feb 2025 2,738 34,932 (0%) 0% 110.5 302,659 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 18 Feb 2025 12,923 0 - - Restricted Stock Units
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 18 Feb 2025 12,923 34,846 (0%) 0% 0 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 18 Feb 2025 3,851 30,995 (0%) 0% 111.5 429,232 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 18 Feb 2025 164 30,831 (0%) 0% 112.8 18,493 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 13 Aug 2024 7,051 24,695 (0%) 0% 0 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 13 Aug 2024 7,051 0 - - Restricted Stock Units
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 13 Aug 2024 2,772 21,923 (0%) 0% 145.4 403,160 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 09 May 2024 3,500 17,644 (0%) 0% 158.5 554,750 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 07 May 2024 3,133 24,277 (0%) 0% 122.6 384,262 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 07 May 2024 3,133 21,144 (0%) 0% 157.5 493,448 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 07 May 2024 3,133 6,362 - - Employee Option (right to buy)
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 15 Mar 2024 3,878 21,144 (0%) 0% 144.5 560,371 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 13 Mar 2024 122 25,022 (0%) 0% 144.5 17,629 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 07 Mar 2024 12,670 25,144 (0%) 0% 142.6 1,806,109 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 07 Mar 2024 7,665 37,814 (0%) 0% 108.1 828,721 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 07 Mar 2024 7,665 3,950 - - Employee Option (right to buy)
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 07 Mar 2024 5,005 0 - - Employee Option (right to buy)
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 07 Mar 2024 5,005 30,149 (0%) 0% 86.5 433,122 Common Stock
Westlake Corp
Buesinger F. Robert EVP, HIP, IT & Digital 16 Feb 2024 8,592 25,346 (0%) 0% 0 Common Stock
Westlake Corp
Buesinger F. Robert SVP, Ops - PEM & Corp Logistic 16 Feb 2024 8,509 8,509 - - Employee Option (right to buy)
Westlake Corp
Buesinger F. Robert EVP, HIP, IT & Digital 16 Feb 2024 4,283 29,629 (0%) 0% 0 Common Stock
Westlake Corp
Robert Buesinger F. EVP, HIP, IT & Digital 16 Feb 2024 4,283 0 - - Restricted Stock Units
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 16 Feb 2024 4,083 25,546 (0%) 0% 129.9 530,463 Common Stock
Westlake Corp
Buesinger F. Robert SVP, Ops - PEM & Corp Logistic 16 Feb 2024 3,073 3,073 - - Restricted Stock Units
Westlake Corp
Buesinger F. Robert EVP, HIP, IT & Digital 16 Feb 2024 399 25,144 (0%) 0% 137.4 54,813 Common Stock
Westlake Corp
Robert Buesinger F. EVP, HIP, IT & Digital 16 Feb 2024 3 25,543 (0%) 0% 135.3 406 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 15 Nov 2023 4,215 16,754 (0%) 0% 130.5 550,058 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 30 Aug 2023 4,857 0 - - Employee Option (right to buy)
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 30 Aug 2023 4,857 20,969 (0%) 0% 134.5 653,136 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 30 Aug 2023 4,857 25,826 (0%) 0% 86.5 420,315 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 29 Aug 2023 8,100 0 - - Employee Option (right to buy)
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 29 Aug 2023 8,100 20,969 (0%) 0% 133.8 1,084,024 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 29 Aug 2023 8,100 29,069 (0%) 0% 65.8 533,081 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 12 May 2023 13,164 13,164 - - Restricted Stock Units
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 17 Feb 2023 11,298 25,721 (0%) 0% 0 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 17 Feb 2023 9,495 9,495 - - Employee Option (right to buy)
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 17 Feb 2023 4,512 21,209 (0%) 0% 104.3 470,692 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 17 Feb 2023 3,478 3,478 - - Restricted Stock Units
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 17 Feb 2023 240 20,969 (0%) 0% 105.3 25,265 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 14 Feb 2023 5,632 15,840 (0%) 0% - Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 14 Feb 2023 5,632 0 - - Restricted Stock Units
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 14 Feb 2023 1,397 14,443 (0%) 0% 121.9 170,238 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 14 Feb 2023 20 14,423 (0%) 0% 122.4 2,448 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 31 Aug 2022 1,000 10,208 (0%) 0% 98.9 98,940 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 23 Aug 2022 572 11,208 (0%) 0% 0 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 27 May 2022 14,427 11,780 (0%) 0% 129.5 1,867,820 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 27 May 2022 9,571 0 - - Employee Option (right to buy)
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 27 May 2022 9,571 21,351 (0%) 0% 107.7 1,031,275 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 27 May 2022 4,856 26,207 (0%) 0% 86.5 420,228 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 27 May 2022 4,856 9,862 - - Employee Option (right to buy)
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 15 Mar 2022 500 11,780 (0%) 0% 0 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 10 Mar 2022 22,555 14,839 (0%) 0% 117.6 2,652,694 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 10 Mar 2022 14,694 29,533 (0%) 0% 79.8 1,173,022 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 10 Mar 2022 14,694 0 - - Employee Option (right to buy)
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 10 Mar 2022 7,861 8,100 - - Employee Option (right to buy)
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 10 Mar 2022 7,861 37,394 (0%) 0% 65.8 517,352 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 09 Mar 2022 2,730 14,839 (0%) 0% 115.6 315,452 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT and Digital 18 Feb 2022 12,923 12,923 - - Restricted Stock Units
Westlake Corp
Robert F. Buesinger EVP, HIP, IT and Digital 18 Feb 2022 11,615 11,615 - - Employee Option (right to buy)
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 18 Feb 2022 6,446 17,569 (0%) 0% 0 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 18 Feb 2022 6,446 17,569 (0%) 0% 0 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 18 Feb 2022 2,556 12,283 (0%) 0% 118.5 302,912 Common Stock
Westlake Corp
Robert F. Buesinger EVP, HIP, IT & Digital 18 Feb 2022 3 12,280 (0%) 0% 120.3 361 Common Stock
Westlake Corp
Robert F. Buesinger EVP, Vinyl Products 15 Feb 2022 3,869 12,086 (0%) 0% - Common Stock
Westlake Corp
Robert F. Buesinger EVP, Vinyl Products 15 Feb 2022 3,869 0 - - Restricted Stock Units
Westlake Corp
Robert F. Buesinger EVP, Vinyl Products 15 Feb 2022 963 11,123 (0%) 0% 105.0 101,076 Common Stock
Westlake Corp
Robert F. Buesinger EVP, Vinyl Products 13 Aug 2021 7,051 7,051 - - Restricted Stock Units
Westlake Corp
Robert F. Buesinger EVP, Vinyl Products 10 May 2021 5,000 8,217 (0%) 0% 105 525,000 Common Stock
*All Values are in $ Million
Client Category: Promoter/ KMP/ Director / Immediate Relatives / Employee / etc  
Security Type: Share/ Warrants / Convertible Debentures
Data as reported to USA Exchanges
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