How many insider trades does FilingIQ track for WLKP?

FilingIQ tracks 157 Form 4 insider transactions for WLKP (Westlake Chemical Partners LP), covering filings from Dec 2, 2016 onwards. 5 of those are dated within the last 90 days.

Are WLKP insiders net buyers or net sellers?

Across the full Form 4 history for WLKP, 94 transactions (60%) were open-market purchases and 5 (3%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does WLKP insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ links every filing to the insider's SEC CIK, marks plan trades, tax withholding, option exercises, gifts, derivatives and amendments, and shows each open-market purchase and sale with the same fixed facts. It does not rate the stock.

What sector is WLKP in?

Westlake Chemical Partners LP (WLKP) is classified in the Basic Materials sector, specifically Chemicals, with a current market capitalisation of $747.57M.

WLKP insider trading

NYSE Basic Materials

Westlake Chemical Partners LP: insider trade history from SEC Form 4 filings.

Total Form 4 trades

157

Last 90 days

Buys / sells

60% / 3%

Market cap

$747.57M

About Westlake Chemical Partners LP

Westlake Chemical Partners LP acquires, develops, and operates ethylene production facilities and related assets in the United States. The company's ethylene production facilities which primarily convert ethane into ethylene. It also sells ethylene co-products, such as propylene, crude butadiene, pyrolysis gasoline, and hydrogen directly to third parties on either a spot or contract basis. Westlake Chemical Partners GP LLC serves as the general partner of the company. Westlake Chemical Partners LP was founded in 1991 and is headquartered in Houston, Texas.

Company website: www.wlkpartners.com

WLKP insider activity at a glance

FilingIQ tracks 157 insider transactions for WLKP in filings since Dec 2, 2016. The most recent transaction is dated Aug 6, 2026.

Across the full history, 94 open-market purchases and 5 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

How FilingIQ classifies each line, and the seven facts it shows on every open-market purchase and sale, are documented on the methodology page.

View live WLKP trades on FilingIQ Raw filings on SEC EDGAR

Latest WLKP Form 4 filings

Gilson Jean-Marc President and CEO

P Aug 29, 2025

Gilson Jean-Marc President and CEO

P Aug 28, 2025

Gilson Jean-Marc President and CEO

P Aug 28, 2025

Friel Lisa A.

ADM Aug 8, 2025

Most recent disclosures. Sign up to filter by transaction code, insider role or dollar value.

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Frequently asked

How many insider trades does FilingIQ track for WLKP?: FilingIQ tracks 157 Form 4 insider transactions for WLKP (Westlake Chemical Partners LP), covering filings from Dec 2, 2016 onwards. 5 of those are dated within the last 90 days.
Are WLKP insiders net buyers or net sellers?: Across the full Form 4 history for WLKP, 94 transactions (60%) were open-market purchases and 5 (3%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does WLKP insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ links every filing to the insider's SEC CIK, marks plan trades, tax withholding, option exercises, gifts, derivatives and amendments, and shows each open-market purchase and sale with the same fixed facts. It does not rate the stock.
What sector is WLKP in?: Westlake Chemical Partners LP (WLKP) is classified in the Basic Materials sector, specifically Chemicals, with a current market capitalisation of $747.57M.

Methodology & sources

Every WLKP insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). How lines are classified and which facts FilingIQ adds is documented on the methodology page; the people behind it are on the team page. Not investment advice; see disclaimer.