Mark Steven Bender
Known title: EVP & 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 | 4,264 | $475K | 2/19/2025 | 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 | ▲ 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 | 5,597 | $727K | 2/20/2024 | View on chart |
| WLK | ▼ Sell | Tax Withholding | 547 | $76K | 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 | 12,033 | $1.3M | 8/7/2023 | View on chart |
| WLK | ▲ Buy | Option Exercise | 12,606 | $1.1M | 8/7/2023 | View on chart |
| WLK | ▼ Sell | Other | 2,416 | $320K | 8/7/2023 | View on chart |
| WLK | ▼ Sell | Other | 19,598 | $2.6M | 8/7/2023 | View on chart |
| WLK | ▼ Sell | Other | 2,625 | $352K | 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 | 2,061 | $165K | 3/31/2022 | 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 | ▼ 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 | ▲ 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 | ▼ Sell | Open Market | 3,062 | $383K | 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 | ▲ Buy | Option Exercise | 4,000 | $263K | 3/25/2022 | View on chart |
| WLK | ▼ Sell | Open Market | 5,053 | $632K | 3/25/2022 | View on chart |
| WLK | ▼ Sell | Open Market | 2,947 | $371K | 3/25/2022 | View on chart |
| WLK | ▼ Sell | Open Market | 8,000 | $1.0M | 3/24/2022 | View on chart |
| WLK | ▲ Buy | Option Exercise | 4,000 | $263K | 3/24/2022 | View on chart |
| WLK | ▲ Buy | Option Exercise | 3,000 | $197K | 3/23/2022 | View on chart |
| WLK | ▼ Sell | Open Market | 5,656 | $708K | 3/23/2022 | View on chart |
| WLK | ▼ Sell | Open Market | 344 | $43K | 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 |