Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights urn:uuid:d2c81d04-b9f9-436b-b7e2-db9735e774e7 2026-06-27T14:41:55-04:00 Jonathan Moreland Profit from legal insider trading. InsiderInsights.com provides free insider trading data tools and resources, and professional grade subscription based real time Form 4 data, analysis and services WLK: BAKSHT JONATHAN (VP,CFO) Filed a Form 3, Becoming a Registered Insider at WESTLAKE CORP With Initial Holdings of 0 urn:uuid:e4d942ef-81fb-e012-88a6-b880dc230908 2026-06-15T15:00:02-04:00 WLK: BENDER MARK STEVEN (VP,CFO) Acquired (JB) 13,164 Shares of WESTLAKE CORP for $0.00 on 5/12 urn:uuid:e1e4b932-8e70-6bdc-1f6b-2b5a652c7d8f 2026-05-14T12:33:47-04:00 WLK: BENDER MARK STEVEN (VP,CFO) Disposed (JS) 5,284 Shares of WESTLAKE CORP for $97.34 on 5/13 urn:uuid:a0fce24d-cd8e-7ae6-3ec0-7cac8f2a32ac 2026-05-14T12:33:47-04:00 WLK: POWERS BRIAN JOHN (VP) Filed a Form 3, Becoming a Registered Insider at WESTLAKE CORP With Initial Holdings of 0 urn:uuid:0f5f0745-1bb6-41c2-3cfd-a9559daa1ed1 2026-04-02T15:13:24-04:00 WLK: BUESINGER ROBERT F (VP) Sold (S) 4k Shares of WESTLAKE CORP for $115.25 on 3/27 urn:uuid:05832e00-f81a-e837-48f8-d0369db0728b 2026-03-31T09:48:51-04:00 WLK: BENDER MARK STEVEN (VP,CFO) Sold (S) 16,413 Shares of WESTLAKE CORP for $112.53 on 3/27 urn:uuid:8fc7389a-5cc5-4d44-0697-87fe80397ce5 2026-03-30T16:10:11-04:00 WLK: BENDER MARK STEVEN (VP,CFO) Disposed (JS) 1,171 Shares of WESTLAKE CORP for $104.96 on 2/16 urn:uuid:2169c684-d40d-48ba-95b6-b942378895c1 2026-03-06T15:16:14-05:00 WLK: BENDER MARK STEVEN (VP,CFO) Exercised 12,693 Options (OE) of WESTLAKE CORP for $65.81-$86.54 on 2/27, and Sold Them All urn:uuid:869931c5-5acb-73e6-539e-26d99d4eb363 2026-03-02T11:35:03-05:00