Westlake Chemical Partners (WLKP) earnings

Westlake Chemical Partners LP· Materials

Results to: Jun 2026
Latest analysed call: Jun 2026 (Q2 FY26)
Balance sheet to: Dec 2025

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Westlake Chemical Partners earnings: last reported Tue, 4 Aug 2026, for the quarter ended Jun 2026.

Reported

The figures, each with its period

Each figure keeps its basis and period; nothing is filled in.

Metric	Value	Change	Basis	Period	Note
Revenue	297 $ million	−0.0% YoY	Quarterly, as filed	Quarter to Jun 2026	Revenue from operations as filed.
Operating margin	29.4 %	−1.3 pts YoY	Operating profit / revenue	Quarter to Jun 2026	For the quarter; a change is in percentage points.
Net profit	14.2 $ million	−2.2% YoY	Quarterly, as filed	Quarter to Jun 2026	Profit after tax as filed.

Source: Inve data from filed results (SEC filings) · to Jun 2026

Price

$20.91 +0.53% · +$0.11

Last close Oct 19, 2026 · US · USD

Performance +4.8% 1Y

1Y: $19.95 on 17 Oct 2025 → $20.91. High $23.72 (11 May 2026), low $17.87 (20 Nov 2025).

Previous close: $20.8
52-week range: $17.87 – $23.72
One year: +5.23%

Overview

Symbol: WLKP
Sector: Materials
Exchange: US
Currency: USD

Financials

What the filings say

Net profit, year on year: −2% (quarter to jun 2026 against jun 2025).

In $ million. Oldest period first.

Line item	Sep 2024	Dec 2024	Mar 2025	Jun 2025	Sep 2025	Dec 2025	Mar 2026	Jun 2026
Sales	277	290	238	297	309	323	306	297
Operating profit	110	92	47	91	92	90	87	87
Operating margin	39.6%	31.7%	19.6%	30.7%	29.8%	27.8%	28.3%	29.4%
Other income	1	1	1	1	0	0	0	0
Interest	7	6	6	6	6	6	5	5
Profit before tax	104	88	42	86	86	84	82	83
Tax rate	0.2%	0.2%	0.3%	0.2%	0.1%	0.2%	0.2%	0.2%
Net profit	18	15	5	15	15	15	14	14

Source: Inve data · income statement, quarterly · to Jun 2026

In $ million. Oldest period first.

Line item	Dec 2018	Dec 2019	Dec 2020	Dec 2021	Dec 2022	Dec 2023	Dec 2024	Dec 2025
Total liabilities	528	441	441	508	468	461	459	454
Fixed assets	1,148	1,103	1,051	1,044	990	944	904	886
Total assets	1,462	1,393	1,356	1,481	1,372	1,317	1,288	1,257

Source: Inve data · balance sheet · to Dec 2025

In $ million. Oldest period first.

Line item	Dec 2018	Dec 2019	Dec 2020	Dec 2021	Dec 2022	Dec 2023	Dec 2024	Dec 2025
Cash from operations	436	451	373	408	464	452	485	280
Cash from investing	-52	-58	2	-64	-12	-76	-89	31
Cash from financing	-392	-393	-378	-344	-404	-382	-396	-326
Net cash flow	-7	0	-3	-0	48	-6	-0	-14
Capital expenditure	-40	-44	-37	-81	-54	-47	-49	-79
Free cash flow	396	407	336	327	410	405	436	202

Source: Inve data · cash flow · to Dec 2025

Insider filings

5 filings, all on Aug 6, 2026.

Open market

decisions to buy or sell

Nobody bought or sold WLKP on the open market in this window. The filings below are 3 option exercises and 2 dispositions to the issuer.

Compensation

not trading decisions

3: Option exercise — converted options into shares

Latest filings (22)

Date	Insider	What	Shares	Value
Aug 6, 2026	FINLEY G STEPHEN Director	Option exercise	5,005	—
Aug 6, 2026	WOELFEL RANDY Director	Option exercise	5,005	—
Aug 6, 2026	WOELFEL RANDY Director	Disposition to issuer	5,005	$106.9K
Aug 6, 2026	Friel Lisa A. Director	Option exercise	5,005	—
Aug 6, 2026	Friel Lisa A. Director	Disposition to issuer	2,502	$53.4K
Aug 27, 2025	Gilson Jean-Marc President and CEO	Purchase	95	$2.0K
Aug 21, 2025	Gilson Jean-Marc President and CEO	Purchase	1,250	$27.5K
Aug 20, 2025	Gilson Jean-Marc President and CEO	Purchase	1,250	$27.3K
Aug 15, 2025	Gilson Jean-Marc President and CEO	Purchase	4,700	$102.7K
Aug 7, 2025	WOELFEL RANDY Director	Option exercise	4,882	—
Aug 7, 2025	WOELFEL RANDY Director	Disposition to issuer	4,882	$107.2K
Aug 7, 2025	Friel Lisa A. Director	Disposition to issuer	2,441	$53.6K
Aug 7, 2025	Friel Lisa A. Director	Option exercise	4,882	—
Aug 7, 2025	FINLEY G STEPHEN Director	Option exercise	4,882	—
May 29, 2025	Gilson Jean-Marc President and CEO	Purchase	94	$2.1K
May 29, 2025	Chao James Senior Chairman	Sale	3,700	$81.8K
May 28, 2025	Chao James Senior Chairman	Sale	4,600	$101.7K
May 27, 2025	Chao James Senior Chairman	Sale	5,608	$124.3K
Feb 25, 2025	Gilson Jean-Marc President and CEO	Purchase	83	$2.0K
Nov 27, 2024	Gilson Jean-Marc President and CEO	Purchase	85	$2.0K
Aug 29, 2024	Gilson Jean-Marc President and CEO	Purchase	1,000	$22.8K
Aug 28, 2024	Gilson Jean-Marc President and CEO	Purchase	320	$7.3K

Source: SEC Form 4 filings. Form 4 reports transactions, not the cap table — absence of filings says nothing about how much an insider owns, and a quiet window is not a signal.

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