InsiderTrades

Chao Albert

SEC CIK 1299403 · EDGAR

Buying vs selling by month open-market trades, last 60 months, WLK
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
WLKWESTLAKE CORPPres, CEO, Dir, 10% 681.8K $258.6K $16.72M 382021-08-112026-08-11

Most active insiders at WLK, 12 months

#InsiderTitleBoughtSold
1 Chao AlbertExecutive COB, Dir —$6.13M
2 Bender Mark StevenEVP, CFO —$3.60M
3 Buesinger Robert F.EVP, PEM Segment Head —$461.0K
4 Szwejbka Scott ThomasSVP, HIP Segment Head ——
5 Holy Jeffrey AdamVP, CAO ——
6 Chao Catherine T.Dir ——
7 Sabat Carolyn ChaoDir ——
8 Chao John Tsung-chenDir ——
9 Chao David Tsung-HungDir ——
10 Ederington L. BenjaminEVP, Legal, External Affairs ——

Transactions 38

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
D 2026-08-11 17:45 2026-08-11 WLK WESTLAKE CORP Chao Albert Executive COB, Dir M - OptEx $61.87 +38.9K 681.8K +6% +$2.40M
DM 2026-08-11 17:45 2026-08-11 WLK WESTLAKE CORP Chao Albert Executive COB, Dir S - Sale+OE $80.28 -38.9K 642.9K -6% -$3.12M
D 2026-02-23 2026-02-20 WLK WESTLAKE CORP Chao Albert Executive COB, Dir F - Tax $94.10 -2,501 642.9K -0.4% -$235.3K
D 2026-02-23 2026-02-19 WLK WESTLAKE CORP Chao Albert Executive COB, Dir A - Grant $0.00 +6,193 645.4K +1.0% $0
D 2026-02-19 2026-02-18 WLK WESTLAKE CORP Chao Albert Executive COB, Dir F - Tax $98.95 -5,089 639.2K -0.8% -$503.6K
D 2026-02-19 2026-02-17 WLK WESTLAKE CORP Chao Albert Executive COB, Dir M - OptEx $0.00 +16.6K 644.3K +3% $0
DM 2025-12-23 2025-12-22 WLK WESTLAKE CORP Chao Albert Executive COB, Dir S - Sale+OE $73.58 -40.8K 628.2K -6% -$3.00M
D 2025-12-23 2025-12-22 WLK WESTLAKE CORP Chao Albert Executive COB, Dir M - OptEx $44.42 +81.7K 668.6K +14% +$3.63M
D 2025-02-24 2025-02-20 WLK WESTLAKE CORP Chao Albert Executive COB, Dir A - Grant $0.00 +33.5K 600.3K +6% $0
D 2025-02-24 2025-02-21 WLK WESTLAKE CORP Chao Albert Executive COB, Dir F - Tax $110.54 -13.4K 586.9K -2% -$1.48M
D 2025-02-20 2025-02-18 WLK WESTLAKE CORP Chao Albert Executive COB, Dir M - OptEx $0.00 +18.0K 572.9K +3% $0
DM 2025-02-20 2025-02-19 WLK WESTLAKE CORP Chao Albert Executive COB, Dir F - Tax $111.51 -6,069 566.8K -1% -$676.8K
DM 2024-08-19 2024-08-16 WLK WESTLAKE CORP Chao Albert Executive COB, Dir D - Sale to Iss $146.61 -45.3K 554.9K -8% -$6.64M
D 2024-08-19 2024-08-16 WLK WESTLAKE CORP Chao Albert Executive COB, Dir M - OptEx $68.09 +45.3K 600.2K +8% +$3.08M
DM 2024-02-21 2024-02-20 WLK WESTLAKE CORP Chao Albert Pres, CEO, Dir F - Tax $130.59 -24.8K 557.1K -4% -$3.24M
D 2024-02-21 2024-02-19 WLK WESTLAKE CORP Chao Albert Pres, CEO, Dir M - OptEx $0.00 +19.8K 579.7K +4% $0
D 2024-02-21 2024-02-16 WLK WESTLAKE CORP Chao Albert Pres, CEO, Dir A - Grant $0.00 +39.7K 559.9K +8% $0
D 2023-09-01 2023-08-31 WLK WESTLAKE CORP Chao Albert Pres, CEO, Dir, 10% M - OptEx $63.98 +20.0K 540.1K +4% +$1.28M
DM 2023-09-01 2023-08-31 WLK WESTLAKE CORP Chao Albert Pres, CEO, Dir, 10% D - Sale to Iss $131.53 -20.0K 520.5K -4% -$2.63M
D 2023-08-31 2023-08-30 WLK WESTLAKE CORP Chao Albert Pres, CEO, Dir, 10% M - OptEx $63.98 +20.0K 540.1K +4% +$1.28M
DM 2023-08-31 2023-08-30 WLK WESTLAKE CORP Chao Albert Pres, CEO, Dir, 10% D - Sale to Iss $134.15 -20.0K 520.15 -97% -$2.68M
A 2023-03-15 2023-02-17 WLK WESTLAKE CORP Chao Albert Pres, CEO, Dir, 10% A - Grant $0.00 +52.3K 542.1K +11% $0
MA 2023-03-15 2023-03-13 WLK WESTLAKE CORP Chao Albert Pres, CEO, Dir, 10% F - Tax $104.34 -22.0K 521.3K -4% -$2.29M
2023-02-17 2023-02-17 WLK WESTLAKE CORP Chao Albert Pres, CEO, Dir, 10% A - Grant $0.00 +52.3K 542.1K +11% $0
DM 2023-02-16 2023-02-15 WLK WESTLAKE CORP Chao Albert Pres, CEO, Dir, 10% F - Tax $121.87 -9,159 489.9K -2% -$1.12M
D 2023-02-16 2023-02-14 WLK WESTLAKE CORP Chao Albert Pres, CEO, Dir, 10% M - OptEx — +26.0K 499.0K +6% —
D 2022-05-23 2022-05-19 WLK WESTLAKE CORP Chao Albert Pres, CEO, Dir, 10% M - OptEx $45.70 +37.9K 510.9K +8% +$1.73M
DM 2022-05-23 2022-05-19 WLK WESTLAKE CORP Chao Albert Pres, CEO, Dir, 10% S - Sale+OE $130.38 -37.9K 498.8K -7% -$4.94M
A 2022-03-15 2022-03-14 WLK WESTLAKE CORP Chao Albert Pres, CEO, Dir, 10% F - Tax $118.51 -12.1K 473.0K -3% -$1.44M
A 2022-03-15 2022-02-18 WLK WESTLAKE CORP Chao Albert Pres, CEO, Dir, 10% A - Grant $0.00 +30.6K 485.1K +7% $0
2022-02-22 2022-02-18 WLK WESTLAKE CORP Chao Albert Pres, CEO, Dir, 10% A - Grant $0.00 +30.6K 485.1K +7% $0
DM 2022-02-17 2022-02-16 WLK WESTLAKE CORP Chao Albert Pres, CEO, Dir, 10% F - Tax $104.96 -5,749 454.6K -1% -$603.4K
D 2022-02-17 2022-02-15 WLK WESTLAKE CORP Chao Albert Pres, CEO, Dir, 10% M - OptEx — +18.4K 460.3K +4% —
DM 2021-12-06 2021-12-02 WLK WESTLAKE CORP Chao Albert Pres, CEO, Dir, 10% S - Sale+OE $91.85 -30.8K 471.0K -6% -$2.83M
D 2021-12-06 2021-12-02 WLK WESTLAKE CORP Chao Albert Pres, CEO, Dir, 10% M - OptEx $30.05 +30.8K 472.7K +7% +$925.1K
DM 2021-12-03 2021-12-01 WLK WESTLAKE CORP Chao Albert Pres, CEO, Dir, 10% S - Sale+OE $91.75 -30.8K 463.1K -6% -$2.82M
D 2021-12-03 2021-12-01 WLK WESTLAKE CORP Chao Albert Pres, CEO, Dir, 10% M - OptEx $30.05 +30.8K 472.7K +7% +$925.1K
2021-08-12 2021-08-11 WLK WESTLAKE CORP Chao Albert Pres, CEO, Dir, 10% P - Purchase $86.21 +3,000 441.9K +0.7% +$258.6K

Purchase Sale Sale after option exercise All abbreviations