InsiderLensMarket›Sector›IssuerWESTLAKE CORP›Insider›Filing
US
WESTLAKE CORP.
MaterialsSIC 2860
Net insider flow
Discretionary BUY minus SELL in USD over rolling windows. Excludes compensation flow (grants, exercises, vesting, tax withholding).
30 days
$0.0
- Buys
- —
- Sells
- —
- Tx · Insiders
- 0 · 0
90 days
−$4.1M
- Buys
- —
- Sells
- $4.1M
- Tx · Insiders
- 4 · 2
365 days
−$7.1M
- Buys
- —
- Sells
- $7.1M
- Tx · Insiders
- 8 · 3
- 27 Mar 2026SALEBuesinger Robert F.4,000115.25 USD
- 27 Mar 2026SALEBender Mark Steven16,413112.54 USD
- 27 Feb 2026EXERCISEBender Mark Steven6,19965.81 USD
- 27 Feb 2026SALEBender Mark Steven421101.52 USD
- 27 Feb 2026SALEBender Mark Steven16,988100.91 USD
- 27 Feb 2026OTHERBender Mark Steven12,69398.20 USD
- 27 Feb 2026EXERCISEBender Mark Steven6,49486.54 USD
- 27 Feb 2026EXERCISEBender Mark Steven6,4940.00 USDderiv
- 27 Feb 2026EXERCISEBender Mark Steven6,1990.00 USDderiv
- 20 Feb 2026GRANT_AWARDPatel Bhavesh V.1,8520.00 USDderiv
- 20 Feb 2026TAX_WITHHOLDINGBender Mark Steven44594.10 USD
- 19 Feb 2026GRANT_AWARDBender Mark Steven1,7770.00 USD
- 20 Feb 2026GRANT_AWARDBender Mark Steven28,3890.00 USDderiv
- 20 Feb 2026GRANT_AWARDBender Mark Steven7,7470.00 USDderiv
- 20 Feb 2026TAX_WITHHOLDINGSzwejbka Scott Thomasentity9194.10 USD
- 19 Feb 2026GRANT_AWARDSzwejbka Scott Thomasentity3650.00 USD
- 20 Feb 2026GRANT_AWARDSzwejbka Scott Thomasentity3,9830.00 USDderiv
- 20 Feb 2026GRANT_AWARDSzwejbka Scott Thomasentity14,5950.00 USDderiv
- 19 Feb 2026GRANT_AWARDBuesinger Robert F.1,3010.00 USD
- 20 Feb 2026TAX_WITHHOLDINGBuesinger Robert F.32694.10 USD
- 20 Feb 2026GRANT_AWARDBuesinger Robert F.5,2810.00 USDderiv
- 20 Feb 2026GRANT_AWARDBuesinger Robert F.19,3510.00 USDderiv
- 20 Feb 2026TAX_WITHHOLDINGEderington L. Benjamin35794.10 USD
- 19 Feb 2026GRANT_AWARDEderington L. Benjamin1,4250.00 USD
- 20 Feb 2026GRANT_AWARDEderington L. Benjamin25,6560.00 USDderiv
- sec_edgartransaction_report31 Mar 2026sec_edgar:0001193125-26-133508
- sec_edgartransaction_report30 Mar 2026sec_edgar:0001193125-26-131706
- sec_edgartransaction_report06 Mar 2026sec_edgar:0001193125-26-096289amend
- sec_edgartransaction_report02 Mar 2026sec_edgar:0001193125-26-084672
- sec_edgartransaction_report24 Feb 2026sec_edgar:0001193125-26-065177
- sec_edgartransaction_report23 Feb 2026sec_edgar:0001193125-26-063686
- sec_edgar
transaction_report
23 Feb 2026
sec_edgar:0001193125-26-063707
sec_edgartransaction_report23 Feb 2026sec_edgar:0001193125-26-063688sec_edgartransaction_report23 Feb 2026sec_edgar:0001193125-26-063700sec_edgartransaction_report23 Feb 2026sec_edgar:0001193125-26-063659sec_edgartransaction_report23 Feb 2026sec_edgar:0001193125-26-063701sec_edgartransaction_report23 Feb 2026sec_edgar:0001193125-26-063669sec_edgartransaction_report23 Feb 2026sec_edgar:0001193125-26-063663sec_edgarinitial_holdings23 Feb 2026sec_edgar:0001193125-26-064648sec_edgartransaction_report23 Feb 2026sec_edgar:0001193125-26-063705sec_edgartransaction_report19 Feb 2026sec_edgar:0001193125-26-059207sec_edgartransaction_report19 Feb 2026sec_edgar:0001193125-26-059219sec_edgartransaction_report19 Feb 2026sec_edgar:0001193125-26-059213sec_edgartransaction_report19 Feb 2026sec_edgar:0001193125-26-059215sec_edgartransaction_report19 Feb 2026sec_edgar:0001193125-26-059210sec_edgartransaction_report19 Feb 2026sec_edgar:0001193125-26-059217sec_edgartransaction_report19 Feb 2026sec_edgar:0001193125-26-059211sec_edgartransaction_report19 Feb 2026sec_edgar:0001193125-26-059212sec_edgartransaction_report23 Dec 2025sec_edgar:0001193125-25-329926sec_edgartransaction_report10 Dec 2025sec_edgar:0001193125-25-314045Last transaction
27 Mar 2026
