Buesinger Robert F. – Insider Transactions

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
WLK	Buesinger Robert F.	EVP, PEM Segment Head	Mar 27 '26	Sale	115.25	4,000	461,000	34,482	Mar 31 12:00 AM
WLK	Buesinger Robert F.	EVP, PEM Segment Head	Feb 17 '26	Option Exercise	0.00	6,956	0	38,410	Feb 19 12:00 AM
WLK	Buesinger Robert F.	EVP, PEM Segment Head	May 27 '25	Sale	72.70	83	6,034	0	Jun 09 12:00 AM
WLK	Buesinger Robert F.	EVP, PEM Segment Head	Apr 22 '25	Buy	93.39	83	7,751	83	Jun 09 12:00 AM
WLK	Buesinger Robert F.	EVP, HIP, IT & Digital	Feb 18 '25	Option Exercise	0.00	25,846	0	34,846	Feb 20 12:00 AM
WLK	Buesinger Robert F.	EVP, HIP, IT & Digital	Aug 13 '24	Option Exercise	0.00	14,102	0	24,695	Aug 15 12:00 AM
WLK	Buesinger Robert F.	EVP, HIP, IT & Digital	May 09 '24	Sale	158.50	3,500	554,750	17,644	May 13 12:00 AM
WLK	Buesinger Robert F.	EVP, HIP, IT & Digital	May 07 '24	Option Exercise	122.65	6,266	768,524	24,277	May 08 12:00 AM
WLK	Buesinger Robert F.	EVP, HIP, IT & Digital	Mar 15 '24	Sale	144.50	3,878	560,371	21,144	Mar 18 12:00 AM
WLK	Buesinger Robert F.	EVP, HIP, IT & Digital	Mar 13 '24	Sale	144.50	122	17,629	25,022	Mar 14 12:00 AM
WLK	Buesinger Robert F.	EVP, HIP, IT & Digital	Mar 07 '24	Option Exercise	99.59	25,340	2,523,686	37,814	Mar 11 12:00 AM
WLK	Buesinger Robert F.	EVP, HIP, IT & Digital	Feb 19 '24	Option Exercise	0.00	8,566	0	29,629	Feb 21 12:00 AM
WLK	Buesinger Robert F.	EVP, HIP, IT & Digital	Nov 15 '23	Sale	130.50	4,215	550,058	16,754	Nov 17 12:00 AM
WLK	Buesinger Robert F.	EVP, HIP, IT & Digital	Aug 30 '23	Option Exercise	86.54	9,714	840,630	25,826	Aug 31 12:00 AM
WLK	Buesinger Robert F.	EVP, HIP, IT & Digital	Aug 29 '23	Option Exercise	65.81	16,200	1,066,162	29,069	Aug 30 12:00 AM

Insider Trading & Congressional Trades

Buesinger Robert F. – Insider Transactions