Mark Steven Bender
Known title: EVP and CFOCIK: 0001330417
Associated companies
Transaction History
| WLK | ▼ Sell | Tax Withholding | 5,284 | $514K | 5/13/2026 | View on chart |
| WLK | ▲ Buy | Option Exercise | 13,164 | $0 | 5/12/2026 | View on chart |
| WLK | ▼ Sell | Open Market | 16,413 | $1.8M | 3/27/2026 | View on chart |
| WLK | ▲ Buy | Option Exercise | 6,199 | $408K | 2/27/2026 | View on chart |
| WLK | ▲ Buy | Option Exercise | 6,494 | $562K | 2/27/2026 | View on chart |
| WLK | ▼ Sell | Other | 12,693 | $1.2M | 2/27/2026 | View on chart |
| WLK | ▼ Sell | Open Market | 16,988 | $1.7M | 2/27/2026 | View on chart |
| WLK | ▼ Sell | Open Market | 421 | $43K | 2/27/2026 | View on chart |
| WLK | ▼ Sell | Tax Withholding | 445 | $42K | 2/20/2026 | View on chart |
| WLK | ▲ Buy | Grant | 1,777 | $0 | 2/19/2026 | View on chart |
| WLK | ▼ Sell | Tax Withholding | 1,209 | $120K | 2/18/2026 | View on chart |
| WLK | ▲ Buy | Option Exercise | 4,751 | $0 | 2/17/2026 | View on chart |
| WLK | ▼ Sell | Tax Withholding | 3,530 | $390K | 2/21/2025 | View on chart |
| WLK | ▲ Buy | Grant | 8,819 | $0 | 2/20/2025 | View on chart |
| WLK | ▼ Sell | Tax Withholding | 50 | $6K | 2/19/2025 | View on chart |
| WLK | ▼ Sell | Tax Withholding | 132 | $15K | 2/19/2025 | View on chart |
| WLK | ▼ Sell | Tax Withholding | 4,264 | $475K | 2/19/2025 | View on chart |
| WLK | ▲ Buy | Option Exercise | 13,987 | $0 | 2/18/2025 | View on chart |
| WLK | ▼ Sell | Tax Withholding | 1,156 | $168K | 8/14/2024 | View on chart |
| WLK | ▲ Buy | Option Exercise | 2,938 | $0 | 8/13/2024 | View on chart |
| WLK | ▼ Sell | Open Market | 4,950 | $753K | 5/3/2024 | View on chart |
| WLK | ▼ Sell | Open Market | 4,804 | $677K | 3/6/2024 | View on chart |
| WLK | ▼ Sell | Open Market | 4,854 | $668K | 2/26/2024 | View on chart |
| WLK | ▼ Sell | Tax Withholding | 547 | $76K | 2/20/2024 | View on chart |
| WLK | ▼ Sell | Tax Withholding | 5,597 | $727K | 2/20/2024 | View on chart |
| WLK | ▲ Buy | Option Exercise | 5,558 | $0 | 2/19/2024 | View on chart |
| WLK | ▲ Buy | Grant | 11,150 | $0 | 2/16/2024 | View on chart |
| WLK | ▲ Buy | Option Exercise | 12,606 | $1.1M | 8/7/2023 | View on chart |
| WLK | ▲ Buy | Option Exercise | 12,033 | $1.3M | 8/7/2023 | View on chart |
| WLK | ▼ Sell | Other | 2,416 | $320K | 8/7/2023 | View on chart |
| WLK | ▼ Sell | Other | 2,625 | $352K | 8/7/2023 | View on chart |
| WLK | ▼ Sell | Other | 19,598 | $2.6M | 8/7/2023 | View on chart |
| WLK | ▲ Buy | Option Exercise | 1,084 | $71K | 5/8/2023 | View on chart |
| WLK | ▼ Sell | Other | 1,084 | $130K | 5/8/2023 | View on chart |
| WLK | ▲ Buy | Option Exercise | 3,000 | $197K | 2/27/2023 | View on chart |
| WLK | ▼ Sell | Other | 3,000 | $362K | 2/27/2023 | View on chart |
| WLK | ▲ Buy | Grant | 14,342 | $0 | 2/17/2023 | View on chart |
| WLK | ▼ Sell | Tax Withholding | 1,760 | $214K | 2/15/2023 | View on chart |
| WLK | ▼ Sell | Tax Withholding | 25 | $3K | 2/15/2023 | View on chart |
| WLK | ▲ Buy | Option Exercise | 7,150 | — | 2/14/2023 | View on chart |
| WLK | ▲ Buy | Option Exercise | 3,960 | $261K | 3/31/2022 | View on chart |
| WLK | ▼ Sell | Open Market | 5,921 | $736K | 3/31/2022 | View on chart |
| WLK | ▲ Buy | Option Exercise | 2,061 | $165K | 3/31/2022 | View on chart |
| WLK | ▼ Sell | Open Market | 100 | $12K | 3/31/2022 | View on chart |
| WLK | ▲ Buy | Option Exercise | 3,000 | $239K | 3/30/2022 | View on chart |
| WLK | ▼ Sell | Open Market | 3,062 | $383K | 3/30/2022 | View on chart |
| WLK | ▲ Buy | Option Exercise | 3,000 | $197K | 3/30/2022 | View on chart |
| WLK | ▼ Sell | Open Market | 2,938 | $366K | 3/30/2022 | View on chart |
| WLK | ▲ Buy | Option Exercise | 2,000 | $160K | 3/29/2022 | View on chart |
| WLK | ▲ Buy | Option Exercise | 2,000 | $132K | 3/29/2022 | View on chart |
| WLK | ▼ Sell | Open Market | 4,000 | $490K | 3/29/2022 | View on chart |
| WLK | ▲ Buy | Option Exercise | 4,000 | $319K | 3/25/2022 | View on chart |
| WLK | ▼ Sell | Open Market | 2,947 | $371K | 3/25/2022 | View on chart |
| WLK | ▼ Sell | Open Market | 5,053 | $632K | 3/25/2022 | View on chart |
| WLK | ▲ Buy | Option Exercise | 4,000 | $263K | 3/25/2022 | View on chart |
| WLK | ▲ Buy | Option Exercise | 4,000 | $263K | 3/24/2022 | View on chart |
| WLK | ▼ Sell | Open Market | 8,000 | $1.0M | 3/24/2022 | View on chart |
| WLK | ▲ Buy | Option Exercise | 3,000 | $197K | 3/23/2022 | View on chart |
| WLK | ▼ Sell | Open Market | 344 | $43K | 3/23/2022 | View on chart |
| WLK | ▼ Sell | Open Market | 5,656 | $708K | 3/23/2022 | View on chart |
| WLK | ▲ Buy | Grant | 7,923 | $0 | 2/18/2022 | View on chart |
| WLK | ▼ Sell | Tax Withholding | 1,166 | $122K | 2/16/2022 | View on chart |
| WLK | ▲ Buy | Option Exercise | 4,755 | — | 2/15/2022 | View on chart |
| WLK | ▼ Sell | Open Market | 2,369 | $241K | 11/11/2021 | View on chart |
| WLK | ▼ Sell | Open Market | 631 | $64K | 11/8/2021 | View on chart |
| WLK | ▼ Sell | Open Market | 6,356 | $628K | 11/5/2021 | View on chart |
| WLK | ▲ Buy | Option Exercise | 4,000 | $319K | 3/24/2021 | View on chart |
| WLK | ▲ Buy | Option Exercise | 3,000 | $239K | 3/23/2021 | View on chart |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 5, 2026
Westlake Consolidates Brands, Shuts Cologne PVC Plant Amid Market Shift
Westlake Royal Building Products has merged its US Tile® and Newpoint™ roofing brands into a single name and added standing‑seam roofing assets, broadening its U.S. roofing footprint. At the same time the company is closing its Cologne PVC plant because the European market remains weak. Analysts have cut their price targets, reflecting a more cautious outlook on cash‑flow recovery.
Westlake Consolidates Brands, Shuts Cologne PVC Plant Amid Market Shift. Westlake Royal Building Products has merged its US Tile® and Newpoint™ roofing brands into a single name and added standing‑seam roofing assets, broadening its U.S. roofing footprint. At the same time the company is closing its Cologne PVC plant because the European market remains weak. Analysts have cut their price targets, reflecting a more cautious outlook on cash‑flow recovery.