Bender Mark Steven
SEC CIK 1330417 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| WLK | WESTLAKE CORP | EVP, CFO, Dir | 35.9K | — | $11.38M | 54 | 2021-03-23 | 2026-05-13 |
Most active insiders at WLK, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Chao Albert | Executive COB, Dir | — | $6.13M |
| 2 | Bender Mark Steven | EVP, CFO | — | $3.60M |
| 3 | Buesinger Robert F. | EVP, PEM Segment Head | — | $461.0K |
| 4 | Szwejbka Scott Thomas | SVP, HIP Segment Head | — | — |
| 5 | Holy Jeffrey Adam | VP, CAO | — | — |
| 6 | Chao Catherine T. | Dir | — | — |
| 7 | Sabat Carolyn Chao | Dir | — | — |
| 8 | Chao John Tsung-chen | Dir | — | — |
| 9 | Chao David Tsung-Hung | Dir | — | — |
| 10 | Ederington L. Benjamin | EVP, Legal, External Affairs | — | — |
Transactions 54
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-05-14 12:33 | 2026-05-12 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | M - OptEx | $0.00 | +13.2K | 41.2K | +47% | $0 |
| D | 2026-05-14 12:33 | 2026-05-13 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | F - Tax | $97.34 | -5,284 | 35.9K | -13% | -$514.3K |
| 2026-03-30 | 2026-03-27 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | S - Sale | $112.54 | -16.4K | 28.0K | -37% | -$1.85M | |
| A | 2026-03-06 | 2022-02-16 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | F - Tax | $104.96 | -1,171 | 25.6K | -4% | -$122.9K |
| DM | 2026-03-02 | 2026-02-27 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | M - OptEx | $76.42 | +12.7K | 74.5K | +21% | +$969.9K |
| DM | 2026-03-02 | 2026-02-27 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | S - Sale+OE | $100.92 | -17.4K | 44.9K | -28% | -$1.76M |
| D | 2026-03-02 | 2026-02-27 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | D - Sale to Iss | $98.20 | -12.7K | 61.8K | -17% | -$1.25M |
| D | 2026-02-23 | 2026-02-20 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | F - Tax | $94.10 | -445 | 61.8K | -0.7% | -$41.9K |
| D | 2026-02-23 | 2026-02-19 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | A - Grant | $0.00 | +1,777 | 62.3K | +3% | $0 |
| D | 2026-02-19 | 2026-02-18 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | F - Tax | $98.95 | -1,209 | 60.5K | -2% | -$119.6K |
| D | 2026-02-19 | 2026-02-17 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | M - OptEx | $0.00 | +4,751 | 61.7K | +8% | $0 |
| D | 2025-02-24 | 2025-02-20 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | A - Grant | $0.00 | +8,819 | 60.5K | +17% | $0 |
| D | 2025-02-24 | 2025-02-21 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | F - Tax | $110.54 | -3,530 | 57.0K | -6% | -$390.2K |
| DM | 2025-02-20 | 2025-02-19 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | F - Tax | $111.51 | -4,446 | 51.7K | -8% | -$495.8K |
| D | 2025-02-20 | 2025-02-18 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | M - OptEx | $0.00 | +14.0K | 56.1K | +33% | $0 |
| D | 2024-08-15 | 2024-08-14 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | F - Tax | $145.44 | -1,156 | 42.1K | -3% | -$168.1K |
| D | 2024-08-15 | 2024-08-13 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | M - OptEx | $0.00 | +2,938 | 43.3K | +7% | $0 |
| 2024-05-06 | 2024-05-03 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | S - Sale | $152.19 | -4,950 | 40.4K | -11% | -$753.3K | |
| 2024-03-07 | 2024-03-06 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | S - Sale | $141.02 | -4,804 | 45.3K | -10% | -$677.5K | |
| 2024-02-28 | 2024-02-26 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | S - Sale | $137.57 | -4,854 | 50.1K | -9% | -$667.8K | |
| D | 2024-02-21 | 2024-02-16 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | A - Grant | $0.00 | +11.2K | 55.5K | +25% | $0 |
| D | 2024-02-21 | 2024-02-19 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | M - OptEx | $0.00 | +5,558 | 61.1K | +10% | $0 |
| DM | 2024-02-21 | 2024-02-20 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | F - Tax | $130.70 | -6,144 | 55.0K | -10% | -$803.0K |
| DM | 2023-08-09 | 2023-08-07 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | D - Sale to Iss | $133.43 | -24.6K | 66.6K | -27% | -$3.29M |
| DM | 2023-08-09 | 2023-08-07 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | M - OptEx | $96.90 | +24.6K | 69.0K | +55% | +$2.39M |
| D | 2023-05-10 | 2023-05-08 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | M - OptEx | $65.81 | +1,084 | 45.5K | +2% | +$71.3K |
| D | 2023-05-10 | 2023-05-08 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | D - Sale to Iss | $120.03 | -1,084 | 44.4K | -2% | -$130.1K |
| MA | 2023-03-15 | 2023-03-13 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | F - Tax | $104.34 | -6,032 | 44.7K | -12% | -$629.4K |
| A | 2023-03-15 | 2023-02-17 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | A - Grant | $0.00 | +14.3K | 50.4K | +40% | $0 |
| D | 2023-02-28 | 2023-02-27 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | M - OptEx | $65.81 | +3,000 | 53.4K | +6% | +$197.4K |
| D | 2023-02-28 | 2023-02-27 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | D - Sale to Iss | $120.50 | -3,000 | 50.4K | -6% | -$361.5K |
| 2023-02-17 | 2023-02-17 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | A - Grant | $0.00 | +14.3K | 50.4K | +40% | $0 | |
| D | 2023-02-16 | 2023-02-14 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | M - OptEx | — | +7,150 | 37.9K | +23% | — |
| DM | 2023-02-16 | 2023-02-15 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | F - Tax | $121.87 | -1,785 | 36.1K | -5% | -$217.5K |
| DM | 2022-04-01 | 2022-03-31 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | S - Sale+OE | $124.35 | -6,021 | 30.8K | -16% | -$748.7K |
| DM | 2022-04-01 | 2022-03-31 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | M - OptEx | $70.61 | +6,021 | 32.8K | +22% | +$425.1K |
| DM | 2022-03-31 | 2022-03-30 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | S - Sale+OE | $124.81 | -6,000 | 33.8K | -15% | -$748.8K |
| DM | 2022-03-31 | 2022-03-30 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | M - OptEx | $72.82 | +6,000 | 33.7K | +22% | +$436.9K |
| D | 2022-03-30 | 2022-03-29 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | S - Sale+OE | $122.44 | -4,000 | 30.7K | -12% | -$489.8K |
| DM | 2022-03-30 | 2022-03-29 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | M - OptEx | $72.82 | +4,000 | 32.7K | +14% | +$291.3K |
| DM | 2022-03-28 | 2022-03-25 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | S - Sale+OE | $125.34 | -8,000 | 33.7K | -19% | -$1.00M |
| DM | 2022-03-28 | 2022-03-25 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | M - OptEx | $72.82 | +8,000 | 34.7K | +30% | +$582.6K |
| DM | 2022-03-25 | 2021-03-24+ | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | M - OptEx | $72.82 | +8,000 | 38.7K | +26% | +$582.6K |
| D | 2022-03-25 | 2022-03-24 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | S - Sale+OE | $125.38 | -8,000 | 30.7K | -21% | -$1.00M |
| DM | 2022-03-24 | 2021-03-23+ | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | M - OptEx | $72.82 | +6,000 | 33.7K | +22% | +$436.9K |
| DM | 2022-03-24 | 2022-03-23 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | S - Sale+OE | $125.17 | -6,000 | 30.7K | -16% | -$751.0K |
| A | 2022-03-15 | 2022-03-14 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | F - Tax | $118.51 | -2,810 | 30.7K | -8% | -$333.0K |
| A | 2022-03-15 | 2022-02-18 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | A - Grant | $0.00 | +7,922 | 33.5K | +31% | $0 |
| 2022-02-22 | 2022-02-18 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | A - Grant | $0.00 | +7,923 | 33.5K | +31% | $0 | |
| D | 2022-02-17 | 2022-02-16 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | F - Tax | $104.96 | -1,166 | 25.6K | -4% | -$122.4K |
| D | 2022-02-17 | 2022-02-15 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO | M - OptEx | — | +4,755 | 26.8K | +22% | — |
| 2021-11-15 | 2021-11-11 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO, Dir | S - Sale | $101.57 | -2,369 | 22.0K | -10% | -$240.6K | |
| 2021-11-10 | 2021-11-08 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO, Dir | S - Sale | $100.77 | -631 | 24.4K | -3% | -$63.6K | |
| 2021-11-08 | 2021-11-05 | WLK | WESTLAKE CORP | Bender Mark Steven | EVP, CFO, Dir | S - Sale | $98.80 | -6,356 | 25.0K | -20% | -$628.0K |
Purchase Sale Sale after option exercise All abbreviations