Equity · Basic Materials
WLK
Westlake Corporation · NYSE
The line runs $87 on 11 June through $77.65 on 17 July, on a scale from $70 to $90. Days the market did not trade hold the previous close, flat.
The chart above plots the price of WLK over the range selected — one day to the full history — drawn by TradingView from their own data. Our own licensed end-of-day series holds 25 sessions over that window: $87 on 11 June 2026 through $77.65 on 17 July 2026.
Finazon · prior-day close · valuation computed from SEC EDGAR filings · as of Sep 9, 2026
WLK insider trades
WLK has no Form 4 filing in the last 90 days, so there is no summary for that window. The most recent filings we hold are below, the newest dated 10 December 2025.
Compensation mechanics Share grants, option exercises, tax withholding and transfers. They reach the same Form 4 as a trade, but they are not the insider buying or selling on the open market, so no purchase or sale value applies to them.
Showing the 12 most recent of 21 compensation filings in this window. The figures above count all of them.
WLK reported financials
WLK reported revenue of $11.2B for the fiscal year ended 31 Dec 2025. Net income over the same period was −$1.5B.
Source: SEC EDGAR XBRL company facts · latest period ended 30 Jun 2026
WLK earnings
no date announced in SEC filings yet
Reported figures & scheduled dates · SEC EDGAR filings
WLK institutional holders
11 of the 45 institutional funds we track reported a WLK position for the quarter ended 30 Jun 2026 — a combined $306.9M; the latest of those filings landed 02 Sep 2026.
Showing the 10 largest of 11 reported positions. The figures above count all of them.
Source: SEC EDGAR 13F filings
WLK fails-to-deliver
On 14 Aug 2026, 3,087 shares of WLK failed to deliver (about $248K) — the latest of 3 consecutive trading days with recorded fails.
Source: SEC fails-to-deliver (CNS) data