WESTLAKE CORP

WLK

WESTLAKE CORP

WLK

Insider Sentiment (TTM):

Last Purchase:2025-04-22Last Sale:2026-03-27Shares Purchased (TTM):0Shares Sold (TTM):78,658

Institutional Sentiment:

As of:2026-03-31Institutional Shares Owned:41,185,040Shares Outstanding:127,992,500Institutional Ownership Pct.:32.18%

Earnings Market Reaction:

Filing Date:2026-05-06Price on Filing Date:N/APrevious Close:N/A% Change:N/A

Companies in Industrial Organic Chemicals

LYB IFF NEU SXT REX GPRE

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Financial Statements

10‑Q10‑K

Values in Millions ($)	2026-03-31	2025-12-31	2025-09-30	2025-06-30	2025-03-31	2024-12-31	2024-09-30	2024-06-30	2024-03-31	2023-12-31	2023-09-30	2023-06-30
Assets
Assets Current
Cash And Cash Equivalents At Carrying Value	2,271	2,724	1,927	2,085	2,297	2,919	2,915	3,042	3,108	3,304	3,057	2,677
Available For Sale Securities Debt Securities	-	204	-	-	-	0	-	-	-	-	-	-
Available For Sale Securities Debt Securities Curr…	205	-	198	192	183	-	-	-	-	-	-	-
Receivables Net Current	1,690	1,504	1,763	1,832	1,656	1,483	1,754	1,812	1,691	1,601	1,939	1,855
Inventory Net	1,677	1,653	1,727	1,731	1,781	1,697	1,747	1,684	1,661	1,622	1,672	1,671
Prepaid Expense And Other Assets Current	109	131	136	106	104	115	133	71	66	82	89	93
Assets Current	5,952	6,216	5,751	5,946	6,021	6,214	6,549	6,609	6,526	6,609	6,757	6,296
Property Plant And Equipment Net	8,579	8,605	8,825	8,827	8,674	8,633	8,602	8,541	8,523	8,519	8,570	8,550
Operating Lease Right Of Use Asset	782	798	803	824	827	801	819	779	706	697	651	644
Goodwill	1,345	1,314	1,314	2,044	2,032	2,031	2,039	2,035	2,037	2,041	2,161	2,167
Finite Lived Intangible Assets Net	763	743	765	785	802	820	843	869	889	910	933	955
Other Intangible Assets Net	452	439	443	454	457	462	469	469	481	493	538	552
Equity Method Investments	1,049	1,062	1,063	1,074	1,075	1,081	1,099	1,085	1,104	1,115	1,117	1,120
Deferred Costs And Other Assets	785	784	850	852	823	708	689	696	694	651	669	697
Assets	19,707	19,961	19,814	20,806	20,711	20,750	21,109	21,083	20,960	21,035	21,396	20,981
Liabilities And Stockhold…
Liabilities Current
Accounts Payable Current	811	783	799	926	955	851	898	885	891	877	811	802
Accrued Liabilities Current	1,436	1,490	1,348	1,477	1,330	1,362	1,453	1,352	1,464	1,614	1,549	1,329
Long Term Debt Current	496	497	750	-	-	6	0	300	300	299	299	-
Liabilities Current	2,743	2,770	2,897	2,403	2,285	2,219	2,351	2,537	2,655	2,790	2,659	2,131
Long Term Debt Noncurrent	5,074	5,087	3,906	4,654	4,588	4,556	4,616	4,585	4,590	4,607	4,574	4,894
Deferred Income Tax Liabilities Net	1,388	1,343	1,578	1,524	1,546	1,553	1,514	1,515	1,544	1,560	1,680	1,692
Pension And Other Postretirement Defined Benefit P…	279	286	323	325	309	304	356	348	353	363	349	358
Operating Lease Liability Noncurrent	672	688	709	731	732	713	730	689	622	611	542	536
Other Liabilities Noncurrent	500	492	463	378	330	362	356	315	343	340	307	293
Liabilities	10,656	10,666	9,876	10,015	9,790	9,707	9,923	9,989	10,107	10,271	10,111	9,904
Stockholders Equity
Preferred Stock Value	0	0	0	0	0	0	0	0	0	0	0	0
Common Stock Value	1	1	1	1	1	1	1	1	1	1	1	1
Treasury Stock Value	-504	-513	-484	-484	-484	-467	-408	-413	-414	-435	-440	-463
Additional Paid In Capital Common Stock	685	683	673	662	650	656	645	635	624	630	619	601
Retained Earnings Accumulated Deficit	8,464	8,701	9,313	10,163	10,373	10,481	10,541	10,500	10,252	10,143	10,705	10,484
Accumulated Other Comprehensive Income Loss Net Of…	-99	-80	-77	-64	-130	-144	-117	-149	-132	-98	-131	-79
Stockholders Equity	9,051	9,295	9,938	10,791	10,921	10,527	11,186	11,094	10,853	10,241	10,754	10,544
Minority Interest	504	503	512	513	511	516	524	520	522	523	531	533
Liabilities And Stockholders Equity	19,707	19,961	19,814	20,806	20,711	20,750	21,109	21,083	20,960	21,035	21,396	20,981
Common Stock	135	-	0	0	135	-	0	0	135	-	0	0
Treasury Stock Common	7	-	-0	-0	6	-	-0	-0	6	-	-0	-0
Preferred Stock Par Or Stated Value Per Share	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01
Preferred Stock Shares Authorized	50	50	50	50	50	50	50	50	50	50	50	50
Preferred Stock Shares Issued	-	0	-	-	-	0	-	-	-	0	-	-
Preferred Stock Shares Outstanding	0	0	0	0	0	0	0	0	0	0	0	0
Common Stock Par Or Stated Value Per Share	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01
Common Stock Shares Authorized	300	300	300	300	300	300	300	300	300	300	300	300
Common Stock Shares Issued	-	135	-	-	-	135	-	-	-	135	-	-
Treasury Stock Common Shares	-	7	-	-	-	6	-	-	-	6	-	-

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10‑Q10‑K

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Earnings Market Reaction

10‑Q10‑K

Fiscal Year	Q1 1 Month	Q1 2 Month	Q1 3 Month	Q2 1 Month	Q2 2 Month	Q2 3 Month	Q3 1 Month	Q3 2 Month	Q3 3 Month	Q4 1 Month	Q4 2 Month	Q4 3 Month
2026	-12.58%	-22.86%	-25.68%	-	-	-	-	-	-	-	-	-
2025	-9.83%	-9.20%	2.67%	8.95%	-3.66%	-1.72%	-14.21%	6.28%	28.83%	6.29%	12.79%	-11.27%
2024	6.39%	-0.72%	-2.29%	-0.02%	3.18%	-8.76%	-6.02%	-16.35%	-13.88%	-9.56%	-17.66%	-26.44%
2023	-	-	-	-0.61%	-8.35%	-12.46%	7.38%	17.06%	14.90%	4.80%	9.56%	12.91%
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Performance and Valuation Metrics

Metrics	2026-03-31	2025-12-31	2025-09-30	2025-06-30	2025-03-31	2024-12-31	2024-09-30	2024-06-30	2024-03-31	2023-12-31	2023-09-30	2023-06-30
Liquidity Ratios
Current Ratio	2.17	2.24	1.99	2.47	2.64	2.80	2.79	2.61	2.46	2.37	2.54	2.95
Quick Ratio	1.52	1.60	1.34	1.71	1.81	1.98	1.99	1.91	1.81	1.76	1.88	2.13
Working Capital	3.21B	3.45B	2.85B	3.54B	3.74B	4.00B	4.20B	4.07B	3.87B	3.82B	4.10B	4.17B
Leverage & Debt
Debt to Equity	1.18	1.15	0.99	0.93	0.90	0.88	0.89	0.90	0.93	0.95	0.94	0.94
Interest Coverage TTM	-9.14	-9.23	-5.29	0.67	3.92	5.50	1.60	2.63	2.55	4.42	9.63	10.38
Debt Ratio	0.54	0.53	0.50	0.48	0.47	0.47	0.47	0.47	0.48	0.49	0.47	0.47
Efficiency & Turnover
Asset Turnover TTM	0.54	0.55	0.56	0.56	0.58	0.58	0.57	0.58	0.58	0.60	0.62	0.67
Days Sales Outstanding TTM	55.63	48.80	55.91	56.55	50.85	46.35	55.59	55.20	52.89	49.48	57.75	57.80
Receivables Turnover TTM	6.56	7.48	6.53	6.45	7.18	7.87	6.57	6.61	6.90	7.38	6.32	6.32
Per Share Metrics
Diluted EPS TTM	-12.41	-11.47	-7.72	-0.69	2.94	4.66	0.94	2.21	2.09	3.72	9.66	10.66
Free Cash Flow Per Share TTM	-3.97	-4.13	-2.85	-0.42	0.65	2.38	3.48	5.02	7.43	10.19	12.12	13.53
Dividend Per Share TTM	2.13	2.12	2.11	2.11	2.08	2.05	2.04	2.01	1.86	1.73	1.58	1.44
Margin Metrics
Gross Profit Margin TTM	6.31%	7.28%	9.18%	11.20%	14.34%	16.12%	15.08%	15.80%	15.56%	17.68%	19.87%	20.03%
Operating Profit Margin TTM	-15.65%	-14.13%	-7.33%	0.89%	5.16%	7.21%	2.12%	3.51%	3.42%	5.81%	12.35%	12.80%
Net Profit Margin TTM	-14.47%	-13.17%	-8.62%	-0.75%	3.14%	4.96%	1.00%	2.36%	2.22%	3.82%	9.54%	9.88%
Growth Metrics
Net Revenue Growth (1Y)	-8.63%	-8.01%	-5.32%	-3.00%	-1.27%	-3.24%	-6.88%	-12.55%	-19.39%	-20.55%	-18.63%	-8.20%
Net Income Growth (1Y)	-521.22%	-344.35%	-918.18%	-130.77%	39.63%	25.68%	-90.26%	-79.11%	-86.05%	-79.15%	-54.22%	-53.13%
EPS Growth (1Y)	-522.26%	-344.88%	-920.65%	-130.85%	39.69%	24.97%	-90.32%	-79.26%	-86.13%	-79.12%	-54.19%	-52.88%
Valuation Metrics
P/E TTM	-9.36	-6.38	-9.79	-107.80	32.95	23.58	153.28	62.23	69.22	35.45	12.14	10.49
P/B TTM	1.64	1.01	0.98	0.88	1.14	1.29	1.66	1.60	1.72	1.58	1.40	1.36
P/S TTM	1.35	0.84	0.84	0.81	1.03	1.17	1.53	1.47	1.54	1.35	1.16	1.04
Market Cap	14.86B	9.38B	9.69B	9.49B	12.42B	14.19B	18.55B	17.80B	18.69B	16.98B	15.07B	14.37B
Enterprise Value	18.14B	12.22B	12.40B	12.04B	14.70B	15.82B	20.23B	19.63B	20.45B	18.57B	16.88B	16.57B
Calculated Values
Free Cash Flow TTM	-508.00M	-530.00M	-365.00M	-54.00M	84.00M	306.00M	448.00M	645.00M	954.00M	1.30B	1.55B	1.73B
Net Debt	3.28B	2.84B	2.71B	2.55B	2.28B	1.63B	1.69B	1.83B	1.77B	1.59B	1.80B	2.20B
Per-Share and Margin
EPS TTM
Adjusted EPS TTM
Cash Flow Per Share TTM
Pretax Margin TTM
Stock Comp to Revenue TTM
Turnover Ratios and Averages
Average Assets
Average Equity
Average Inventory
Average Receivables
Average Accounts Payables
Inventory Turnover TTM
Payables Turnover TTM
Days Inventory Outstanding TTM
Days Payables Outstanding TTM
Cash Conversion Cycle TTM
Working Capital to Revenue
Deferred Revenue to Revenue
Growth Rates
Total Assets Growth (1Y)
Total Assets Growth (3Y)
Total Assets Growth (5Y)
Dividends Paid Growth (1Y)
Dividends Paid Growth (3Y)
Dividends Paid Growth (5Y)
EPS Growth (3Y)
EPS Growth (5Y)
Net Income Growth (3Y)
Net Income Growth (5Y)
Net Profit Margin Growth (1Y)
Net Profit Margin Growth (3Y)
Net Profit Margin Growth (5Y)
Net Revenue Growth (3Y)
Net Revenue Growth (5Y)
Deferred Revenue Growth (1Y)
Retained Earnings Growth (1Y)
Credit, Liquidity, Returns, Payout
Cash Ratio
Net Working Capital
Debt to EBITDA TTM
Net Debt to EBITDA TTM
Net Debt to Equity
Altman A
Altman B
Altman C
Altman D
Altman E
Altman Z-Score
ROA TTM
ROE TTM
NOPAT TTM
ROIC TTM
Effective Tax Rate TTM
Payout Ratio TTM
Dilution Ratio
Retained Earnings to Equity
Treasury Stock to Equity
Treasury Stock Change (1Y)
Accrued to Current Liabilities
Valuation Ratios
P/CF TTM
Dividend Yield TTM
Free Cash Flow Yield TTM
EV EBITDA TTM
EV EBIT TTM
Stock Compensation TTM
Adjusted Net Income TTM
Billings TTM
Total Debt
Invested Capital

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Insider Transactions

2026-03-27Sale

Owner: Bender, Mark Steven

Title: EVP & CFO

Shares: 16,413

Price/Share: $112.54

Value: $1,847,119.02

Shares Owned: 28,015

Relationship: Officer

Ownership: Direct

2026-03-27Sale

Owner: Buesinger, Robert F.

Title: EVP, PEM Segment Head

Shares: 4,000

Price/Share: $115.25

Value: $461,000.00

Shares Owned: 34,482

Relationship: Officer

Ownership: Direct

2026-02-27Sale

Owner: Bender, Mark Steven

Title: EVP & CFO

Shares: 17,409

Price/Share: $101.22

Value: $1,762,138.98

Shares Owned: 44,433

Relationship: Officer

Ownership: Direct

2025-12-22Sale

Owner: Chao, Albert

Title: Executive Chairman

Shares: 40,836

Price/Share: $73.69

Value: $3,009,204.84

Shares Owned: 627,722

Relationship: Director,Officer

Ownership: Direct

2025-05-27Sale

Owner: Buesinger, Robert F.

Title: EVP, PEM Segment Head

Shares: 83

Price/Share: $72.70

Value: $6,034.10

Shares Owned: -

Relationship: Officer

Ownership: Indirect

Filed Date	Owner	Relationship	Title	Ownership	Purchase/Sale	No. Shares	Price Per Share	Value	Shares Owned	Document Type
2026-03-27	Bender, Mark Steven	Officer	EVP & CFO	Direct	Sale	16,413	112.54	$1,847,119.02	28,015	4
2026-03-27	Buesinger, Robert F.	Officer	EVP, PEM Segment Head	Direct	Sale	4,000	115.25	$461,000.00	34,482	4
2026-02-27	Bender, Mark Steven	Officer	EVP & CFO	Direct	Sale	17,409	101.22	$1,762,138.98	44,433	4
2025-12-22	Chao, Albert	Director,Officer	Executive Chairman	Direct	Sale	40,836	73.69	$3,009,204.84	627,722	4
2025-05-27	Buesinger, Robert F.	Officer	EVP, PEM Segment Head	Indirect	Sale	83	72.70	$6,034.10	0	4
2025-04-22	Buesinger, Robert F.	Officer	EVP, PEM Segment Head	Indirect	Purchase	83	93.39	$7,751.37	83	4
2024-11-29	Chao, David Tsung-Hung	Director	-	Direct	Sale	1,750	129.08	$225,890.00	7,784	4
2024-11-22	Chao, David Tsung-Hung	Director	-	Direct	Sale	1,750	130.00	$227,500.00	9,534	4
2024-05-09	Buesinger, Robert F.	Officer	EVP, HIP, IT & Digital	Direct	Sale	3,500	158.50	$554,750.00	17,644	4
2024-05-03	Bender, Mark Steven	Officer	EVP & CFO	Direct	Sale	4,950	152.19	$753,340.50	40,356	4
2024-03-15	Buesinger, Robert F.	Officer	EVP, HIP, IT & Digital	Direct	Sale	3,878	144.50	$560,371.00	21,144	4
2024-03-13	Buesinger, Robert F.	Officer	EVP, HIP, IT & Digital	Direct	Sale	122	144.50	$17,629.00	25,022	4
2024-03-06	Bender, Mark Steven	Officer	EVP & CFO	Direct	Sale	4,804	141.02	$677,460.08	45,306	4
2024-02-26	Bender, Mark Steven	Officer	EVP & CFO	Direct	Sale	4,854	137.57	$667,764.78	50,110	4
2023-11-15	Buesinger, Robert F.	Officer	EVP, HIP, IT & Digital	Direct	Sale	4,215	130.50	$550,057.50	16,754	4
2023-08-23	Chao, David Tsung-Hung	Director,TenPercentOwner	-	Direct	Sale	1,000	131.00	$131,000.00	10,148	4
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Institutional Ownership

No data available for chart

2026-03-31

32.18%

Inst. Shares: 41,185,040

Shares Outstanding: 127,992,500

2025-12-31

33.76%

Inst. Shares: 43,294,990

Shares Outstanding: 128,260,331

2025-09-30

29.90%

Inst. Shares: 38,341,092

Shares Outstanding: 128,251,427

2025-06-30

28.26%

Inst. Shares: 36,239,265

Shares Outstanding: 128,238,514

2025-03-31

27.07%

Inst. Shares: 34,731,799

Shares Outstanding: 128,308,537

Date	Institutional Shares Owned	Shares Outstanding	Institutional Ownership %
2026-03-31	41,185,040	127,992,500	32.18%
2025-12-31	43,294,990	128,260,331	33.76%
2025-09-30	38,341,092	128,251,427	29.90%
2025-06-30	36,239,265	128,238,514	28.26%
2025-03-31	34,731,799	128,308,537	27.07%
2024-12-31	34,113,560	128,535,226	26.54%
2024-09-30	32,462,939	128,638,632	25.24%
2024-06-30	32,976,296	128,576,735	25.65%
2024-03-31	43,785,078	128,359,983	34.11%
2023-12-31	34,934,970	127,806,317	27.33%
2023-09-30	35,638,318	127,854,464	27.87%
2023-06-30	35,357,962	127,649,341	27.70%
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WESTLAKE CORP (WLK) — SEC Financial Statements & Analysis

WESTLAKE CORP (WLK) is a industrial organic chemicals company, incorporated in DE. WESTLAKE CORP trades on WLK: NYSE as: WLK. Based on its latest SEC filing (Form 10-Q, period ending 2026-03-31), WESTLAKE CORP reported a -8.63% year-over-year revenue growth, a Gross Profit Margin of 6.31% (TTM), a Debt-to-Equity ratio of 1.18x, a Price-to-Sales (P/S) ratio of 1.35x (TTM), a Price-to-Book (P/B) ratio of 1.64 (TTM), at a market cap of $14.86B. Figures below are sourced from SEC EDGAR, as-filed.

Net Revenue TTM Growth 1Y: -8.63%
Gross Profit Margin TTM: 6.31%
Debt To Equity: 1.18x
P/S TTM: 1.35x
P/B TTM: 1.64
Market Cap: $14.86B

Data as of 2026-03-31 · Source: SEC EDGAR

Frequently Asked Questions

What industry is WESTLAKE CORP in?

WESTLAKE CORP (WLK) operates in the Industrial Organic Chemicals industry.

What is WLK's market cap?

WESTLAKE CORP (WLK) has a market capitalization of $14.86B as of 2026-03-31.

What exchange does WLK trade on?

WESTLAKE CORP (WLK) trades on the WLK: NYSE.

Where is WESTLAKE CORP incorporated?

WESTLAKE CORP is incorporated in DE.

WESTLAKE CORP (WLK) — SEC Financial Statements & Analysis

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