InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (7 ops.)
Insider track record
CFODisclosed buys
0
Disclosed sells
7
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Discover the detailed record of transactions filed by Bender Mark Steven, Chief Financial Officer. Officer active across 2 companies, notably Westlake CORP. Cumulatively, 31 filings have been published. Split: 0 buy · 7 sells. Total volume traded: €4.4m. Activity tracked since 5 November 2021. The latest transaction was filed on 12 May 2026 (Levée d'options). Regulator: SEC (Form 4). All data is accessible without signup.
Companies and markets linked to Bender Mark Steven
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations31 total
13,164 shares0Common StockSEC:0001193125-26-223323:0
16,413 shares@ US$112.53525.2% of flowCommon StockSEC:0001193125-26-131706:0
1,171 shares@ US$104.960.0010% mcap7.3% of flowCommon StockSEC:0001193125-26-096289:0
6,199 shares@ US$65.81255.2% of flowCommon StockSEC:0001193125-26-084672:0
1,777 shares0Common StockSEC:0001193125-26-063686:0
4,751 shares0Common StockSEC:0001193125-26-059207:0
8,819 shares0Common StockSEC:0000950170-25-025475:0
13,987 shares0Common StockSEC:0000950170-25-024028:0
2,938 shares0Common StockSEC:0000950170-24-097402:0
4,950 shares@ US$152.1914.5% of flowCommon StockSEC:0000950170-24-053244:0
4,804 shares@ US$141.01912.8% of flowCommon StockSEC:0000950170-24-027605:0
4,854 shares@ US$137.5712.7% of flowCommon StockSEC:0000950170-24-021783:0
11,150 shares0Common StockSEC:0000950170-24-017619:0
12,033 shares@ US$107.7524.3% of flowCommon StockSEC:0001209191-23-045125:0
1,084 shares@ US$65.81251.3% of flowCommon StockSEC:0001209191-23-028402:0
14,342 shares0Common StockSEC:0001567619-23-005094:0
3,000 shares@ US$65.81253.9% of flowCommon StockSEC:0001567619-23-003892:0
14,342 shares0Common StockSEC:0001567619-23-003262:0
7,150 sharesCommon StockSEC:0001567619-23-003131:0
2,061 shares@ US$79.830.0013% mcap10.0% of flowCommon StockSEC:0001567619-22-007819:0
3,000 shares@ US$79.830.0019% mcap14.5% of flowCommon StockSEC:0001567619-22-007737:0
2,000 shares@ US$79.830.0013% mcap9.7% of flowCommon StockSEC:0001567619-22-007689:0
4,000 shares@ US$79.830.0026% mcap19.5% of flowCommon StockSEC:0001567619-22-007575:0
4,000 shares@ US$79.830.0024% mcap18.2% of flowCommon StockSEC:0001567619-22-007463:0
3,000 shares@ US$79.830.0018% mcap13.5% of flowCommon StockSEC:0001567619-22-007422:0
25 of 31 declarations
About Bender Mark Steven
Bender Mark Steven is Directeur Financier, with filings related to Westlake CORP, where he is EVP & CFO, and to Westlake Chemical CORP, where he is EVP and CFO. Across 31 filings in total, the 31 sampled filings, from 2021-11-08 to 2026-05-14, show EUR 0 of purchases and EUR 4,352,194 of sales, with the transaction nature listed as Levée d'options.
