WLK — what changed in the latest 10-Q
A section-by-section comparison of WLK's newest periodic SEC filing (10-K/10-Q) against the prior same-form filing: paragraphs added and removed per section, with verbatim excerpts. Purely a deterministic text diff — no similarity scores, no directional read, not investment advice.
Comparing 10-Q · 2026-05-06 vs the prior 10-Q · 2025-10-31
| Section | Outcome | Added | Removed | Minor | Unchanged |
|---|---|---|---|---|---|
| MD&A | Text added/removed | +49 | −75 | ~18 | 24 |
| Market risk (Item 3) | Text added/removed | 0 | 0 | ~4 | 1 |
| Controls & procedures | Text added/removed | 0 | 0 | ~1 | 1 |
| Legal proceedings | Text added/removed | +1 | −2 | ~2 | 0 |
| Other information | Text added/removed | 0 | 0 | ~1 | 0 |
Counts are paragraphs; added/removed means text added or removed vs the prior filing — no direction or judgement implied.
Not shown (absent or not faithfully extractable): Risk factors
Representative excerpts
Up to 5 excerpts of about 300 characters per section, quoted verbatim from the two SEC filings.
MD&A
Text added vs the prior filing · source: 10-Q · 2026-05-06
We are a vertically integrated global manufacturer and marketer of both housing and infrastructure products and performance and essential materials. We operate in two principal operating segments, Housing and Infrastructure Products ("HIP") and Performance and Essential Materials ("PEM"). The HIP se…
Non-Binding Letter of Intent of a PVC and VCM Production Site in Germany
On April 27, 2026, the Company and Westlake Vinnolit GmbH & Co. KG, a wholly owned subsidiary of the Company, entered into a non-binding letter of intent with the preliminary insolvency administrator of VYNOVA Wilhelmshaven GmbH to acquire a PVC and vinyl chloride monomer ("VCM") production site loc…
On April 27, 2026, the Company provided notice of redemption with respect to all of its outstanding 3.60% 2026 Senior Notes at a redemption price equal to 100% of the principal amount of the notes being redeemed, plus accrued and unpaid interest to the redemption date, which is May 29, 2026. As of M…
On April 2, 2026, the Company entered into a credit agreement for an unsecured revolving credit facility in an aggregate principal amount of up to $1.5 billion. The new revolving credit facility replaces the Company's previous $1.5 billion revolving credit facility, which was terminated on April 2, …
Text removed vs the prior filing · source: 10-Q · 2025-10-31
We are a vertically integrated global manufacturer and marketer of performance and essential materials and housing and infrastructure products. We operate in two principal operating segments, Performance and Essential Materials and Housing and Infrastructure Products. The Performance and Essential M…
Since 2022, our European and North American businesses have been impacted by reduced demand and lower prices due to macroeconomic conditions such as the war in Ukraine, volatility in energy prices, slower GDP growth, inflation and higher interest rates. Furthermore, the lower-than-expected demand fo…
Goodwill is evaluated for impairment when events or changes in circumstances indicate the fair value of a reporting unit with goodwill has been reduced below its carrying amount, and otherwise at least annually. As part of the Company's continuous assessment of changes in the macroeconomic environme…
Based on the quantitative tests performed during the third quarter of 2025, the Company determined that the fair value of the North American Chlorovinyls reporting unit did not exceed its carrying amount. This resulted in a non-cash goodwill impairment charge of $727 million taken in the third quart…
On July 4, 2025, President Trump signed into law the legislation commonly referred to as the One Big Beautiful Bill Act ("OBBBA"), which includes a broad range of tax reform provisions affecting corporations. The OBBBA, among other changes, permanently reinstates the "bonus" depreciation provisions …
Legal proceedings
Text added vs the prior filing · source: 10-Q · 2026-05-06
We are also involved in other legal proceedings incidental to the conduct of our business. From time to time, we receive notices or inquiries from government entities regarding alleged violations of environmental laws and regulations pertaining to, among other things, the disposal, emission and stor…
Text removed vs the prior filing · source: 10-Q · 2025-10-31
•Natrium Facility Discharge Investigation. To resolve alleged violations associated with exceedances of discharge limits under the Natrium facility's National Pollutant Discharge Elimination System ("NPDES") permit effective August 2020, we have entered into enforcement negotiations with the West Vi…
In addition to the matters described above, we are also involved in other legal proceedings incidental to the conduct of our business. From time to time, we receive notices or inquiries from government entities regarding alleged violations of environmental laws and regulations pertaining to, among o…
How to read Risk Factors (Item 1A) in a 10-Q
A 10-Q risk-factor section usually takes one of three forms; this page classifies it as one of:
- Pointer — the filer states there have been no material changes and points back to the annual 10-K risk factors; there is no own risk text to compare this quarter.
- Partial update — the filer carves out specific updated risks ("except as set forth below"); the excerpts show exactly what is new this quarter.
- Restated in full — the quarter carries the complete risk-factor text. When the prior quarter was only a pointer there is no prior full text to diff against, so the page flags the section as restated instead.
This describes the filing structure only — it is never a judgement on whether risk went up or down.
Source: text-level diff of the two SEC EDGAR filings · deterministic (no AI-generated content) · for reference only · not investment advice