InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (9 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
9
T+90 hit rate
0%
T+90 mean return
-16.0%
Across 2 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the full record of transactions filed by Buesinger Robert F., Vice-Président Exécutif, Produits en Vinyle. Director active across 2 companies, notably Westlake Chemical CORP. Cumulatively, 28 filings have been recorded. Split: 0 buy · 9 sells. Total volume traded: €3.2m. History available since 10 May 2021. The latest transaction was disclosed on 27 March 2026 (Cession). Regulator: SEC (Form 4). The full history is openly available.
Declarations28 total
4,000 shares@ US$115.250.0036% mcap6.7% of flowCommon StockSEC:0001193125-26-133508:0
6,839 shares0Common StockSEC:0000950170-25-025477:0
12,923 shares0Common StockSEC:0000950170-25-024029:0
7,051 shares0Common StockSEC:0000950170-24-097401:0
3,500 shares@ US$158.508.6% of flowCommon StockSEC:0000950170-24-058341:0
3,133 shares@ US$122.656.0% of flowCommon StockSEC:0000950170-24-055345:0
3,878 shares@ US$144.508.6% of flowCommon StockSEC:0000950170-24-032552:0
122 shares@ US$144.500.3% of flowCommon StockSEC:0000950170-24-031188:0
5,005 shares@ US$86.53796.6% of flowCommon StockSEC:0000950170-24-028945:0
8,592 shares0Common StockSEC:0000950170-24-017621:0
4,215 shares@ US$130.508.4% of flowCommon StockSEC:0001209191-23-055640:0
4,857 shares@ US$86.53796.4% of flowCommon StockSEC:0001209191-23-047807:0
8,100 shares@ US$65.81258.2% of flowCommon StockSEC:0001209191-23-047684:0
11,298 shares0Common StockSEC:0001567619-23-005095:0
11,298 shares0Common StockSEC:0001567619-23-003263:0
5,632 sharesCommon StockSEC:0001567619-23-003132:0
1,000 shares@ US$98.941.6% of flowCommon StockSEC:0001567619-22-016895:0
572 shares0Common StockSEC:0001567619-22-016613:0
9,571 shares@ US$107.750.0085% mcap41.6% of flowCommon StockSEC:0001567619-22-011902:0
500 shares0Common StockSEC:0001567619-22-007013:0
6,446 shares0Common StockSEC:0001567619-22-006982:0
14,694 shares@ US$79.830.0093% mcap45.9% of flowCommon StockSEC:0001567619-22-006831:0
2,730 shares@ US$115.550.0026% mcap12.5% of flowCommon StockSEC:0001567619-22-006679:0
6,446 shares0Common StockSEC:0001567619-22-005157:0
3,869 sharesCommon StockSEC:0001567619-22-004826:0
25 of 28 declarations
About Buesinger Robert F.
Robert F. Buesinger is the Executive Vice President of Vinyl Products at WESTLAKE CHEMICAL CORP and WESTLAKE CORP. He oversees the operations related to the company's vinyl products.
