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WLK Insider Trades:
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Ticker
Trade Date
Filing Date
Name
Title
Code
Security
Amount
Price
Value
Trans.
10b5-1
Director
10% Owner
Mcap/AUM
2025-05-27
2025-06-09
BUESINGER ROBERT
EVP, PEM Segment Head
S - Sale
Common Stock
-83
$73.00
-6,059
1
$9.13B
2025-04-22
2025-06-09
BUESINGER ROBERT
EVP, PEM Segment Head
P - Purchase
Common Stock
83
$93.00
7,719
1
$9.13B
2025-04-11
2025-04-15
SZWEJBKA SCOTT THOMAS
SVP, HIP
A - Grant
Restricted Stock Units
8,551
$0.00
1
$9.13B
2025-02-28
2025-03-04
GILSON JEAN-MARC
President and CEO
A - Grant
Restricted Stock Units
8,994
$0.00
1
$9.13B
2025-02-21
2025-02-24
GILSON JEAN-MARC
President and CEO
A - Grant
Restricted Stock Units
8,749
$0.00
1
$9.13B
2025-02-21
2025-02-24
EDERINGTON BENJAMIN
EVP, PEM, GC and CAO
A - Grant
Employee Option (right to buy)
17,428
$0.00
1
$9.13B
2025-02-21
2025-02-24
EDERINGTON BENJAMIN
EVP, PEM, GC and CAO
A - Grant
Restricted Stock Units
5,777
$0.00
1
$9.13B
2025-02-21
2025-02-24
GILSON JEAN-MARC
President and CEO
A - Grant
Employee Option (right to buy)
26,391
$0.00
1
$9.13B
2025-02-21
2025-02-24
HOLY JEFFREY ADAM
VP and CAO
A - Grant
Employee Option (right to buy)
2,791
$0.00
1
$9.13B
2025-02-21
2025-02-24
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
A - Grant
Employee Option (right to buy)
5,871
$0.00
1
$9.13B
2025-02-21
2025-02-24
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
A - Grant
Restricted Stock Units
1,946
$0.00
1
$9.13B
2025-02-21
2025-02-24
BUESINGER ROBERT
EVP, HIP, IT & Digital
F - Tax
Common Stock
-2,738
$111.00
-304K
1
$9.13B
2025-02-21
2025-02-24
EDERINGTON BENJAMIN
EVP, PEM, GC and CAO
F - Tax
Common Stock
-2,924
$111.00
-325K
1
$9.13B
2025-02-21
2025-02-24
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
F - Tax
Common Stock
-606
$111.00
-67,266
1
$9.13B
2025-02-21
2025-02-24
BENDER MARK STEVEN
EVP & CFO
A - Grant
Employee Option (right to buy)
19,279
$0.00
1
$9.13B
2025-02-21
2025-02-24
BUESINGER ROBERT
EVP, HIP, IT & Digital
A - Grant
Employee Option (right to buy)
13,141
$0.00
1
$9.13B
2025-02-21
2025-02-24
BUESINGER ROBERT
EVP, HIP, IT & Digital
A - Grant
Restricted Stock Units
4,356
$0.00
1
$9.13B
2025-02-21
2025-02-24
CHAO ALBERT
Executive Chairman
A - Grant
Employee Option (right to buy)
37,172
$0.00
1
$9.13B
2025-02-21
2025-02-24
CHAO ALBERT
Executive Chairman
A - Grant
Restricted Stock Units
12,322
$0.00
1
$9.13B
2025-02-21
2025-02-24
CHAO JAMES
Senior Chairman
A - Grant
Employee Option (right to buy)
37,172
$0.00
1
$9.13B
2025-02-20
2025-02-24
EDERINGTON BENJAMIN
EVP, PEM, GC and CAO
A - Grant
Common Stock
7,305
$0.00
1
$9.13B
2025-02-20
2025-02-24
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
A - Grant
Common Stock
2,444
$0.00
1
$9.13B
2025-02-19
2025-02-20
BUESINGER ROBERT
EVP, HIP, IT & Digital
F - Tax
Common Stock
-4,015
$112.00
-450K
2
$9.13B
2025-02-19
2025-02-20
EDERINGTON BENJAMIN
EVP, PEM, GC and CAO
F - Tax
Common Stock
-5,268
$112.00
-590K
2
$9.13B
2025-02-19
2025-02-20
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
F - Tax
Common Stock
-336
$112.00
-37,632
2
$9.13B
2025-02-18
2025-02-20
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
M - Exercise
Restricted Stock Units
-1,313
$0.00
1
$9.13B
2025-02-18
2025-02-20
BENDER MARK STEVEN
EVP & CFO
M - Exercise
Restricted Stock Units
-13,987
$0.00
1
$9.13B
2025-02-18
2025-02-20
BENDER MARK STEVEN
EVP & CFO
M - Exercise
Restricted Stock Units
-13,987
$0.00
1
$9.13B
2025-02-18
2025-02-20
BUESINGER ROBERT
EVP, HIP, IT & Digital
M - Exercise
Restricted Stock Units
-12,923
$0.00
1
$9.13B
2025-02-18
2025-02-20
BUESINGER ROBERT
EVP, HIP, IT & Digital
M - Exercise
Common Stock
12,923
$0.00
1
$9.13B
2025-02-18
2025-02-20
CHAO ALBERT
Executive Chairman
M - Exercise
Restricted Stock Units
-17,972
$0.00
1
$9.13B
2025-02-18
2025-02-20
CHAO JAMES
Senior Chairman
M - Exercise
Restricted Stock Units
-8,796
$0.00
1
$9.13B
2025-02-18
2025-02-20
EDERINGTON BENJAMIN
EVP, PEM, GC and CAO
M - Exercise
Restricted Stock Units
-13,174
$0.00
1
$9.13B
2025-02-18
2025-02-20
EDERINGTON BENJAMIN
EVP, PEM, GC and CAO
M - Exercise
Common Stock
13,174
$0.00
1
$9.13B
2025-02-18
2025-02-20
HOLY JEFFREY ADAM
VP and CAO
M - Exercise
Restricted Stock Units
-702
$0.00
1
$9.13B
2025-02-18
2025-02-20
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
M - Exercise
Common Stock
1,313
$0.00
1
$9.13B
2025-02-18
2025-02-20
BUESINGER ROBERT
EVP, HIP, IT & Digital
M - Exercise
Restricted Stock Units
-12,923
$0.00
1
$9.13B
2025-02-18
2025-02-20
BUESINGER ROBERT
EVP, HIP, IT & Digital
M - Exercise
Common Stock
12,923
$0.00
1
$9.13B
2025-02-18
2025-02-20
CHAO ALBERT
Executive Chairman
M - Exercise
Restricted Stock Units
-17,972
$0.00
1
$9.13B
2025-02-18
2025-02-20
CHAO JAMES
Senior Chairman
M - Exercise
Restricted Stock Units
-8,796
$0.00
1
$9.13B
2025-02-18
2025-02-20
EDERINGTON BENJAMIN
EVP, PEM, GC and CAO
M - Exercise
Restricted Stock Units
-13,174
$0.00
1
$9.13B
2025-02-18
2025-02-20
EDERINGTON BENJAMIN
EVP, PEM, GC and CAO
M - Exercise
Common Stock
13,174
$0.00
1
$9.13B
2025-02-18
2025-02-20
HOLY JEFFREY ADAM
VP and CAO
M - Exercise
Restricted Stock Units
-702
$0.00
1
$9.13B
2025-02-18
2025-02-20
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
M - Exercise
Restricted Stock Units
-1,313
$0.00
1
$9.13B
2025-02-18
2025-02-20
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
M - Exercise
Common Stock
1,313
$0.00
1
$9.13B
2025-02-18
2025-02-19
EDERINGTON BENJAMIN
EVP, PEM, GC and CAO
F - Tax
Common Stock
-1,895
$115.00
-218K
1
$9.13B
2025-02-18
2025-02-19
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
F - Tax
Common Stock
-790
$115.00
-90,850
1
$9.13B
2025-02-14
2025-02-19
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
M - Exercise
Restricted Stock Units
-3,039
$0.00
1
$9.13B
2025-02-14
2025-02-19
EDERINGTON BENJAMIN
EVP, PEM, GC and CAO
M - Exercise
Restricted Stock Units
-7,597
$0.00
1
$9.13B
2025-02-14
2025-02-19
EDERINGTON BENJAMIN
EVP, PEM, GC and CAO
M - Exercise
Common Stock
7,597
$0.00
1
$9.13B
2025-02-14
2025-02-19
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
M - Exercise
Common Stock
3,039
$0.00
1
$9.13B
2024-08-23
2024-08-26
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
M - Exercise
Employee Option (right to buy)
-14,864
$0.00
3
$9.13B
2024-08-23
2024-08-26
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
D - Sale to Issuer
Common Stock
-14,864
$149.00
-2.21M
1
$9.13B
2024-08-23
2024-08-26
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
M - Exercise
Common Stock
14,864
$76.00
1.13M
3
$9.13B
2024-08-23
2024-08-23
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
S - Sale
-14,864
$149.00
-2.21M
1
$9.13B
2024-08-16
2024-08-19
CHAO ALBERT
Executive Chairman
D - Sale to Issuer
Common Stock
-45,298
$147.00
-6.66M
2
$9.13B
2024-08-16
2024-08-19
CHAO ALBERT
Executive Chairman
M - Exercise
Employee Option (right to buy)
-45,298
$0.00
1
$9.13B
2024-08-16
2024-08-19
CHAO ALBERT
Executive Chairman
M - Exercise
Common Stock
45,298
$68.00
3.08M
1
$9.13B
2024-08-14
2024-08-15
BUESINGER ROBERT
EVP, HIP, IT & Digital
F - Tax
Common Stock
-2,772
$145.00
-402K
1
$9.13B
2024-08-14
2024-08-15
EDERINGTON BENJAMIN
EVP, PEM, GC and CAO
F - Tax
Common Stock
-1,156
$145.00
-168K
1
$9.13B
2024-08-13
2024-08-15
BUESINGER ROBERT
EVP, HIP, IT & Digital
M - Exercise
Restricted Stock Units
-7,051
$0.00
1
$9.13B
2024-08-13
2024-08-15
BUESINGER ROBERT
EVP, HIP, IT & Digital
M - Exercise
Common Stock
7,051
$0.00
1
$9.13B
2024-08-13
2024-08-15
EDERINGTON BENJAMIN
EVP, PEM, GC and CAO
M - Exercise
Restricted Stock Units
-2,938
$0.00
1
$9.13B
2024-08-13
2024-08-15
EDERINGTON BENJAMIN
EVP, PEM, GC and CAO
M - Exercise
Common Stock
2,938
$0.00
1
$9.13B
2024-08-13
2024-08-15
BENDER MARK STEVEN
EVP & CFO
M - Exercise
Restricted Stock Units
-2,938
$0.00
1
$9.13B
2024-07-15
2024-07-16
GILSON JEAN-MARC
President and CEO
A - Grant
Restricted Stock Units
20,401
$0.00
1
$9.13B
2024-05-09
2024-05-13
BUESINGER ROBERT
EVP, HIP, IT & Digital
S - Sale
Common Stock
-3,500
$159.00
-557K
1
$9.13B
2024-05-07
2024-05-08
BUESINGER ROBERT
EVP, HIP, IT & Digital
D - Sale to Issuer
Common Stock
-3,133
$158.00
-495K
1
$9.13B
2024-05-07
2024-05-08
BUESINGER ROBERT
EVP, HIP, IT & Digital
M - Exercise
Employee Option (right to buy)
-3,133
$0.00
1
$9.13B
2024-05-07
2024-05-08
BUESINGER ROBERT
EVP, HIP, IT & Digital
M - Exercise
Common Stock
3,133
$123.00
385K
1
$9.13B
2024-03-21
2024-03-22
ZOELLER JOHNATHAN STEVAN
VP and CAO
D - Sale to Issuer
Common Stock
-657
$151.00
-99,207
1
$9.13B
2024-03-21
2024-03-22
ZOELLER JOHNATHAN STEVAN
VP and CAO
M - Exercise
Employee Option (right to buy)
-657
$0.00
3
$9.13B
2024-03-21
2024-03-22
ZOELLER JOHNATHAN STEVAN
VP and CAO
M - Exercise
Common Stock
657
$100.00
65,700
3
$9.13B
2024-03-15
2024-03-18
BUESINGER ROBERT
EVP, HIP, IT & Digital
S - Sale
Common Stock
-3,878
$145.00
-562K
1
$9.13B
2024-03-13
2024-03-14
BUESINGER ROBERT
EVP, HIP, IT & Digital
S - Sale
Common Stock
-122
$145.00
-17,690
1
$9.13B
2024-03-08
2024-03-11
ZOELLER JOHNATHAN STEVAN
VP and CAO
M - Exercise
Employee Option (right to buy)
-2,776
$0.00
3
$9.13B
2024-03-08
2024-03-11
ZOELLER JOHNATHAN STEVAN
VP and CAO
D - Sale to Issuer
Common Stock
-2,776
$142.00
-394K
1
$9.13B
2024-03-08
2024-03-11
ZOELLER JOHNATHAN STEVAN
VP and CAO
M - Exercise
Common Stock
2,776
$106.00
294K
3
$9.13B
2024-03-07
2024-03-11
BUESINGER ROBERT
EVP, HIP, IT & Digital
M - Exercise
Employee Option (right to buy)
-12,670
$0.00
2
$9.13B
2024-03-07
2024-03-11
BUESINGER ROBERT
EVP, HIP, IT & Digital
D - Sale to Issuer
Common Stock
-12,670
$143.00
-1.81M
1
$9.13B
2024-03-07
2024-03-11
BUESINGER ROBERT
EVP, HIP, IT & Digital
M - Exercise
Common Stock
12,670
$100.00
1.27M
2
$9.13B
2024-02-20
2024-02-21
ZOELLER JOHNATHAN STEVAN
VP and CAO
F - Tax
Common Stock
-746
$131.00
-97,726
2
$9.13B
2024-02-20
2024-02-21
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
F - Tax
Common Stock
-984
$131.00
-129K
2
$9.13B
2024-02-20
2024-02-21
EDERINGTON BENJAMIN
EVP, PEM, GC and CAO
F - Tax
Common Stock
-4,618
$131.00
-605K
4
$9.13B
2024-02-20
2024-02-21
BUESINGER ROBERT
EVP, HIP, IT & Digital
F - Tax
Common Stock
-4,485
$131.00
-588K
3
$9.13B
2024-02-19
2024-02-21
BENDER MARK STEVEN
EVP & CFO
M - Exercise
Restricted Stock Units
-5,558
$0.00
1
$9.13B
2024-02-19
2024-02-21
BUESINGER ROBERT
EVP, HIP, IT & Digital
M - Exercise
Restricted Stock Units
-4,283
$0.00
1
$9.13B
2024-02-19
2024-02-21
BUESINGER ROBERT
EVP, HIP, IT & Digital
M - Exercise
Common Stock
4,283
$0.00
1
$9.13B
2024-02-19
2024-02-21
CHAO ALBERT
President & CEO
M - Exercise
Restricted Stock Units
-19,810
$0.00
1
$9.13B
2024-02-19
2024-02-21
EDERINGTON BENJAMIN
EVP, PEM, GC and CAO
M - Exercise
Restricted Stock Units
-4,388
$0.00
1
$9.13B
2024-02-19
2024-02-21
EDERINGTON BENJAMIN
EVP, PEM, GC and CAO
M - Exercise
Common Stock
4,388
$0.00
1
$9.13B
2024-02-19
2024-02-21
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
M - Exercise
Restricted Stock Units
-1,170
$0.00
1
$9.13B
2024-02-19
2024-02-21
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
M - Exercise
Common Stock
1,170
$0.00
1
$9.13B
2024-02-19
2024-02-21
ZOELLER JOHNATHAN STEVAN
VP and CAO
M - Exercise
Restricted Stock Units
-866
$0.00
1
$9.13B
2024-02-16
2024-02-21
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
A - Grant
Common Stock
2,346
$0.00
1
$9.13B
2024-02-16
2024-02-21
EDERINGTON BENJAMIN
EVP, PEM, GC and CAO
A - Grant
Common Stock
8,802
$0.00
1
$9.13B
2024-02-16
2024-02-20
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
A - Grant
Employee Option (right to buy)
8,509
$0.00
1
$9.13B
2024-02-16
2024-02-20
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
A - Grant
Restricted Stock Units
3,073
$0.00
1
$9.13B
2024-02-16
2024-02-20
ZOELLER JOHNATHAN STEVAN
VP and CAO
A - Grant
Employee Option (right to buy)
1,980
$0.00
1
$9.13B
2024-02-16
2024-02-20
ZOELLER JOHNATHAN STEVAN
VP and CAO
A - Grant
Restricted Stock Units
715
$0.00
1
$9.13B
2024-02-16
2024-02-20
BENDER MARK STEVEN
EVP & CFO
A - Grant
Employee Option (right to buy)
12,344
$0.00
1
$9.13B
2024-02-16
2024-02-20
BUESINGER ROBERT
SVP, Ops - PEM & Corp Logistic
A - Grant
Employee Option (right to buy)
8,509
$0.00
1
$9.13B
2024-02-16
2024-02-20
BUESINGER ROBERT
SVP, Ops - PEM & Corp Logistic
A - Grant
Restricted Stock Units
3,073
$0.00
1
$9.13B
2024-02-16
2024-02-20
CHAO ALBERT
President & CEO
A - Grant
Employee Option (right to buy)
44,324
$0.00
1
$9.13B
2024-02-16
2024-02-20
EDERINGTON BENJAMIN
EVP, PEM, GC and CAO
A - Grant
Employee Option (right to buy)
10,943
$0.00
1
$9.13B
2024-02-16
2024-02-20
EDERINGTON BENJAMIN
EVP, PEM, GC and CAO
A - Grant
Restricted Stock Units
3,953
$0.00
1
$9.13B
2023-11-30
2023-12-01
CHAO JAMES
Chairman
M - Exercise
Employee Option (right to buy)
-68,173
$0.00
3
$9.13B
2023-11-15
2023-11-17
BUESINGER ROBERT
EVP, HIP, IT & Digital
S - Sale
Common Stock
-4,215
$131.00
-552K
1
$9.13B
2023-08-31
2023-09-01
CHAO ALBERT
President & CEO
D - Sale to Issuer
Common Stock
-19,988
$132.00
-2.64M
3
$9.13B
2023-08-31
2023-09-01
CHAO ALBERT
President & CEO
M - Exercise
Employee Option (right to buy)
19,988
$0.00
1
$9.13B
2023-08-31
2023-09-01
CHAO JAMES
Chairman
M - Exercise
Emplopyee Option (right to buy)
-245K
$0.00
5
$9.13B
2023-08-30
2023-08-31
BUESINGER ROBERT
EVP, HIP, IT & Digital
M - Exercise
Employee Option (right to buy)
4,857
$0.00
1
$9.13B
2023-08-30
2023-08-31
BUESINGER ROBERT
EVP, HIP, IT & Digital
M - Exercise
Common Stock
4,857
$87.00
423K
1
$9.13B
2023-08-30
2023-08-31
BUESINGER ROBERT
EVP, HIP, IT & Digital
D - Sale to Issuer
Common Stock
-4,857
$134.00
-651K
1
$9.13B
2023-08-30
2023-08-31
CHAO ALBERT
President & CEO
D - Sale to Issuer
Common Stock
-20,000
$134.00
-2.68M
2
$9.13B
2023-08-30
2023-08-31
EDERINGTON BENJAMIN
EVP, PEM, GC and CAO
D - Sale to Issuer
Common Stock
-13,734
$134.00
-1.84M
1
$9.13B
2023-08-30
2023-08-31
CHAO ALBERT
President & CEO
M - Exercise
Employee Option (right to buy)
20,000
$0.00
1
$9.13B
2023-08-30
2023-08-31
CHAO JAMES
Chairman
M - Exercise
Emplopyee Option (right to buy)
17,735
$0.00
1
$9.13B
2023-08-30
2023-08-31
CHAO JAMES
Chairman
M - Exercise
Employee Option (right to buy)
12,321
$0.00
1
$9.13B
2023-08-30
2023-08-31
EDERINGTON BENJAMIN
EVP, PEM, GC and CAO
M - Exercise
Employee Option (right to buy)
13,734
$0.00
1
$9.13B
2023-08-30
2023-08-31
EDERINGTON BENJAMIN
EVP, PEM, GC and CAO
M - Exercise
Common Stock
13,734
$62.00
852K
1
$9.13B
2023-08-29
2023-08-30
BUESINGER ROBERT
EVP, HIP, IT & Digital
D - Sale to Issuer
Common Stock
-8,100
$134.00
-1.09M
1
$9.13B
2023-08-29
2023-08-30
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
D - Sale to Issuer
Common Stock
-3,855
$134.00
-517K
1
$9.13B
2023-08-29
2023-08-30
BUESINGER ROBERT
EVP, HIP, IT & Digital
M - Exercise
Employee Option (right to buy)
8,100
$0.00
1
$9.13B
2023-08-29
2023-08-30
BUESINGER ROBERT
EVP, HIP, IT & Digital
M - Exercise
Common Stock
8,100
$66.00
535K
1
$9.13B
2023-08-29
2023-08-30
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
M - Exercise
Employee Option (right to buy)
3,855
$0.00
2
$9.13B
2023-08-29
2023-08-30
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
M - Exercise
Common Stock
3,855
$108.00
416K
2
$9.13B
2023-08-29
2023-08-29
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
S - Sale
-3,855
$134.00
-517K
1
$9.13B
2023-08-14
2023-08-15
ZOELLER JOHNATHAN STEVAN
VP and CAO
F - Tax
Common Stock
-144
$132.00
-19,008
1
$9.13B
2023-08-13
2023-08-15
ZOELLER JOHNATHAN STEVAN
VP and CAO
M - Exercise
Restricted Stock Units
-588
$0.00
1
$9.13B
2023-08-07
2023-08-09
BENDER MARK STEVEN
EVP & CFO
D - Sale to Issuer
Common Stock
-24,639
$133.00
-3.28M
3
$9.13B
2023-08-07
2023-08-09
BENDER MARK STEVEN
EVP & CFO
M - Exercise
Employee Option (right to buy)
24,639
$0.00
2
$9.13B
2023-05-19
2023-05-22
ZOELLER JOHNATHAN STEVAN
VP and CAO
D - Sale to Issuer
Common Stock
-1,963
$117.00
-230K
1
$9.13B
2023-05-19
2023-05-22
ZOELLER JOHNATHAN STEVAN
VP and CAO
M - Exercise
Employee Option (right to buy)
1,963
$0.00
1
$9.13B
2023-05-19
2023-05-22
ZOELLER JOHNATHAN STEVAN
VP and CAO
M - Exercise
Common Stock
1,963
$87.00
171K
1
$9.13B
2023-05-12
2023-05-16
BUESINGER ROBERT
EVP, HIP, IT & Digital
A - Grant
Restricted Stock Units
13,164
$0.00
1
$9.13B
2023-05-12
2023-05-16
EDERINGTON BENJAMIN
EVP, PEM, GC and CAO
A - Grant
Restricted Stock Units
21,940
$0.00
1
$9.13B
2023-05-12
2023-05-16
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
A - Grant
Restricted Stock Units
13,164
$0.00
1
$9.13B
2023-05-08
2023-05-10
BENDER MARK STEVEN
EVP & CFO
M - Exercise
Employee Option (right to buy)
1,084
$0.00
1
$9.13B
2023-05-08
2023-05-10
BENDER MARK STEVEN
EVP & CFO
D - Sale to Issuer
Common Stock
-1,084
$120.00
-130K
1
$9.13B
2023-03-13
2023-03-15
ZOELLER JOHNATHAN STEVAN
VP and CAO
F - Tax
Common Stock
-377
$104.00
-39,208
2
$9.13B
2023-03-13
2023-03-15
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
F - Tax
Common Stock
-972
$104.00
-101K
2
$9.13B
2023-03-13
2023-03-15
EDERINGTON BENJAMIN
EVP, GC, CAO and Secretary
F - Tax
Common Stock
-4,636
$104.00
-482K
2
$9.13B
2023-03-13
2023-03-15
BUESINGER ROBERT
EVP, HIP, IT & Digital
F - Tax
Common Stock
-4,752
$104.00
-494K
2
$9.13B
2023-02-17
2023-03-15
BUESINGER ROBERT
EVP, HIP, IT & Digital
A - Grant
Common Stock
11,298
$0.00
1
$9.13B
2023-02-17
2023-03-15
EDERINGTON BENJAMIN
EVP, GC, CAO and Secretary
A - Grant
Common Stock
11,022
$0.00
1
$9.13B
2023-02-17
2023-03-15
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
A - Grant
Common Stock
3,086
$0.00
1
$9.13B
2023-02-27
2023-02-28
ZOELLER JOHNATHAN STEVAN
VP and CAO
M - Exercise
Employee Option (right to buy)
1,689
$0.00
2
$9.13B
2023-02-27
2023-02-28
ZOELLER JOHNATHAN STEVAN
VP and CAO
M - Exercise
Common Stock
1,689
$71.00
120K
2
$9.13B
2023-02-27
2023-02-28
ZOELLER JOHNATHAN STEVAN
VP and CAO
D - Sale to Issuer
Common Stock
-1,689
$121.00
-204K
1
$9.13B
2023-02-27
2023-02-28
BENDER MARK STEVEN
EVP and CFO
M - Exercise
Employee Option (right to buy)
3,000
$0.00
1
$9.13B
2023-02-27
2023-02-28
BENDER MARK STEVEN
EVP and CFO
D - Sale to Issuer
Common Stock
-3,000
$121.00
-363K
1
$9.13B
2023-02-17
2023-02-21
ZOELLER JOHNATHAN STEVAN
VP and CAO
A - Grant
Restricted Stock Units
796
$0.00
1
$9.13B
2023-02-17
2023-02-21
BENDER MARK STEVEN
EVP & CFO
A - Grant
Employee Option (right to buy)
12,971
$0.00
1
$9.13B
2023-02-17
2023-02-21
BUESINGER ROBERT
EVP, HIP, IT & Digital
A - Grant
Employee Option (right to buy)
9,495
$0.00
1
$9.13B
2023-02-17
2023-02-21
BUESINGER ROBERT
EVP, HIP, IT & Digital
A - Grant
Restricted Stock Units
3,478
$0.00
1
$9.13B
2023-02-17
2023-02-21
CHAO ALBERT
President & CEO
A - Grant
Employee Option (right to buy)
45,196
$0.00
1
$9.13B
2023-02-17
2023-02-21
EDERINGTON BENJAMIN
EVP, GC, CAO and Secretary
A - Grant
Restricted Stock Units
3,809
$0.00
1
$9.13B
2023-02-17
2023-02-21
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
A - Grant
Employee Option (right to buy)
3,825
$0.00
1
$9.13B
2023-02-17
2023-02-21
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
A - Grant
Restricted Stock Units
1,401
$0.00
1
$9.13B
2023-02-17
2023-02-21
KEARNS ROGER
EVP and COO
A - Grant
Employee Option (right to buy)
15,565
$0.00
1
$9.13B
2023-02-17
2023-02-21
ZOELLER JOHNATHAN STEVAN
VP and CAO
A - Grant
Employee Option (right to buy)
2,174
$0.00
1
$9.13B
2023-02-17
2023-02-21
CHAO JOHN TSUNG-CHEN
VP & MD, Westlake Innovations
A - Grant
Employee Option (right to buy)
1,557
$0.00
1
$9.13B
2023-02-17
2023-02-21
CHAO JOHN TSUNG-CHEN
VP & MD, Westlake Innovations
A - Grant
Restricted Stock Units
570
$0.00
1
$9.13B
2023-02-17
2023-02-21
EDERINGTON BENJAMIN
EVP, GC, CAO and Secretary
A - Grant
Employee Option (right to buy)
10,399
$0.00
1
$9.13B
2023-02-17
2023-02-17
BUESINGER ROBERT
EVP, HIP, IT & Digital
A - Grant
Common Stock
11,298
$0.00
1
$9.13B
2023-02-17
2023-02-17
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
A - Grant
Common Stock
3,086
$0.00
1
$9.13B
2023-02-17
2023-02-17
EDERINGTON BENJAMIN
EVP, GC, CAO and Secretary
A - Grant
Common Stock
11,022
$0.00
1
$9.13B
2023-02-15
2023-02-16
ZOELLER JOHNATHAN STEVAN
VP and CAO
F - Tax
Common Stock
-217
$122.00
-26,474
2
$9.13B
2023-02-15
2023-02-16
BUESINGER ROBERT
EVP, HIP, IT & Digital
F - Tax
Common Stock
-1,417
$122.00
-173K
2
$9.13B
2023-02-15
2023-02-16
EDERINGTON BENJAMIN
EVP, GC, CAO and Secretary
F - Tax
Common Stock
-1,383
$122.00
-169K
2
$9.13B
2023-02-15
2023-02-16
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
F - Tax
Common Stock
-418
$122.00
-50,996
2
$9.13B
2023-02-14
2023-02-16
KEARNS ROGER
COO and EVP, PEM
M - Exercise
Restricted Stock Units
-7,036
$0.00
1
$9.13B
2023-02-14
2023-02-16
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
M - Exercise
Common Stock
1,538
1
$9.13B
2023-02-14
2023-02-16
JANSSENS THOMAS
SVP, Ops - PEM & Corp Logistic
M - Exercise
Restricted Stock Units
-1,538
$0.00
1
$9.13B
2023-02-14
2023-02-16
EDERINGTON BENJAMIN
EVP, GC, CAO and Secretary
M - Exercise
Common Stock
5,495
1
$9.13B
2023-02-14
2023-02-16
EDERINGTON BENJAMIN
EVP, GC, CAO and Secretary
M - Exercise
Restricted Stock Units
-5,495
$0.00
1
$9.13B
2023-02-14
2023-02-16
ZOELLER JOHNATHAN STEVAN
VP and CAO
M - Exercise
Restricted Stock Units
-721
$0.00
1
$9.13B
2023-02-14
2023-02-16
CHAO ALBERT
President & CEO
M - Exercise
Restricted Stock Units
-26,048
$0.00
1
$9.13B
2023-02-14
2023-02-16
BUESINGER ROBERT
EVP, HIP, IT & Digital
M - Exercise
Restricted Stock Units
-5,632
$0.00
1
$9.13B
2023-02-14
2023-02-16
BENDER MARK STEVEN
EVP and CFO
M - Exercise
Restricted Stock Units
-7,150
$0.00
1
$9.13B
2022-08-31
2022-09-01
BUESINGER ROBERT
EVP, HIP, IT & Digital
S - Sale
Common Stock
-1,000
$99.00
-99,000
1
$9.13B
2022-08-26
2022-08-29
ZOELLER JOHNATHAN STEVAN
VP & Chief Accounting Officer
S - Sale
Common Stock
-542
$107.00
-57,994
1
$9.13B
2022-05-27
2022-05-31
BUESINGER ROBERT
EVP, HIP, IT & Digital
M - Exercise
Common Stock
14,427
$101.00
1.46M
2
$9.13B
2022-05-27
2022-05-31
BUESINGER ROBERT
EVP, HIP, IT & Digital
M - Exercise
Employee Option (right to buy)
-14,427
$0.00
2
$9.13B
2022-05-27
2022-05-31
BUESINGER ROBERT
EVP, HIP, IT & Digital
S - Sale
Common Stock
-14,427
$129.00
-1.86M
1
$9.13B
2022-05-19
2022-05-23
CHAO ALBERT
President & CEO
M - Exercise
Employee Option (right to buy)
-37,876
$0.00
1
$9.13B
2022-05-17
2022-05-18
KEARNS ROGER
COO and EVP - PEM
M - Exercise
Employee Option (right to buy)
-8,388
$0.00
1
$9.13B
2022-05-05
2022-05-06
EDERINGTON BENJAMIN
EVP, GC, CAO and Secretary
M - Exercise
Common Stock
12,569
$44.00
553K
1
$9.13B
2022-05-05
2022-05-06
EDERINGTON BENJAMIN
EVP, GC, CAO and Secretary
S - Sale
Common Stock
-12,569
$140.00
-1.76M
2
$9.13B
2022-05-05
2022-05-06
EDERINGTON BENJAMIN
EVP, GC, CAO and Secretary
M - Exercise
Employee Option (right to buy)
-12,569
$0.00
1
$9.13B
2022-03-31
2022-04-01
BENDER MARK STEVEN
EVP and CFO
M - Exercise
Employee Option (right to buy)
-6,021
$0.00
2
$9.13B
2022-03-30
2022-03-31
BENDER MARK STEVEN
EVP and CFO
M - Exercise
Employee Option (right to buy)
-6,000
$0.00
2
$9.13B
2022-03-29
2022-03-30
BENDER MARK STEVEN
EVP and CFO
M - Exercise
Employee Option (right to buy)
-4,000
$0.00
2
$9.13B
2022-03-25
2022-03-28
KEARNS ROGER
COO and EVP - PEM
M - Exercise
Employee Option (right to buy)
-10,333
$0.00
2
$9.13B
2022-03-25
2022-03-28
BENDER MARK STEVEN
EVP and CFO
M - Exercise
Employee Option (right to buy)
-8,000
$0.00
2
$9.13B
2022-03-24
2022-03-25
BENDER MARK STEVEN
EVP and CFO
M - Exercise
Employee Option (right to buy)
-8,000
$0.00
2
$9.13B
2022-03-23
2022-03-24
BENDER MARK STEVEN
EVP and CFO
M - Exercise
Employee Option (right to buy)
-6,000
$0.00
2
$9.13B
2022-03-14
2022-03-15
BUESINGER ROBERT
EVP, HIP, IT & Digital
F - Tax
Common Stock
-2,559
$119.00
-305K
2
$9.13B
2022-03-14
2022-03-15
JANSSENS THOMAS
SVP, Operations-PEM & Corp Log
F - Tax
Common Stock
-468
$119.00
-55,692
2
$9.13B
2022-03-14
2022-03-15
EDERINGTON BENJAMIN
EVP, GC, CAO and Secretary
F - Tax
Common Stock
-2,510
$119.00
-299K
2
$9.13B
2022-02-18
2022-03-15
EDERINGTON BENJAMIN
EVP, GC, CAO and Secretary
A - Grant
Common Stock
6,323
$0.00
1
$9.13B
2022-03-10
2022-03-14
BUESINGER ROBERT
EVP, HIP, IT & Digital
S - Sale
Common Stock
-22,555
$118.00
-2.66M
1
$9.13B
2022-03-10
2022-03-14
BUESINGER ROBERT
EVP, HIP, IT & Digital
M - Exercise
Employee Option (right to buy)
-22,555
$0.00
2
$9.13B
2022-03-10
2022-03-14
BUESINGER ROBERT
EVP, HIP, IT & Digital
M - Exercise
Common Stock
22,555
$75.00
1.69M
2
$9.13B
2022-03-09
2022-03-10
BUESINGER ROBERT
EVP, HIP, IT & Digital
S - Sale
Common Stock
-2,730
$116.00
-317K
1
$9.13B
2022-03-01
2022-03-02
ZOELLER JOHNATHAN STEVAN
VP and CAO
M - Exercise
Employee Option (right to buy)
-1,006
$0.00
1
$9.13B
2022-03-01
2022-03-02
ZOELLER JOHNATHAN STEVAN
VP and CAO
S - Sale
Common Stock
-1,006
$110.00
-111K
1
$9.13B
2022-03-01
2022-03-02
ZOELLER JOHNATHAN STEVAN
VP and CAO
M - Exercise
Common Stock
1,006
$66.00
66,396
1
$9.13B
2022-02-18
2022-02-22
EDERINGTON BENJAMIN
SVP, GC, CAO and Secretary
A - Grant
Employee Option (right to buy)
12,408
$0.00
1
$9.13B
2022-02-18
2022-02-22
EDERINGTON BENJAMIN
SVP, GC, CAO and Secretary
A - Grant
Restricted Stock Units
13,174
$0.00
1
$9.13B
2022-02-18
2022-02-22
EDERINGTON BENJAMIN
SVP, GC, CAO and Secretary
A - Grant
Common Stock
6,323
$0.00
1
$9.13B
2022-02-18
2022-02-22
KEARNS ROGER
EVP and COO
A - Grant
Employee Option (right to buy)
16,554
$0.00
1
$9.13B
2022-02-18
2022-02-22
KENNER ANDREW
SVP, Operations
A - Grant
Employee Option (right to buy)
7,011
$0.00
1
$9.13B
2022-02-18
2022-02-22
ZOELLER JOHNATHAN STEVAN
VP and CAO
A - Grant
Employee Option (right to buy)
2,582
$0.00
1
$9.13B
2022-02-18
2022-02-22
ZOELLER JOHNATHAN STEVAN
VP and CAO
A - Grant
Restricted Stock Units
817
$0.00
1
$9.13B
2022-02-18
2022-02-22
BUESINGER ROBERT
EVP, HIP, IT and Digital
A - Grant
Employee Option (right to buy)
11,615
$0.00
1
$9.13B
2022-02-18
2022-02-22
BUESINGER ROBERT
EVP, HIP, IT and Digital
A - Grant
Restricted Stock Units
12,923
$0.00
1
$9.13B
2022-02-18
2022-02-22
CHAO ALBERT
President & CEO
A - Grant
Employee Option (right to buy)
56,819
$0.00
1
$9.13B
2022-02-18
2022-02-22
BENDER MARK STEVEN
EVP and CFO
A - Grant
Employee Option (right to buy)
14,980
$0.00
1
$9.13B
2022-02-18
2022-02-22
BENDER MARK STEVEN
EVP and CFO
A - Grant
Restricted Stock Units
13,987
$0.00
1
$9.13B
2022-02-16
2022-02-17
BUESINGER ROBERT
EVP, Vinyl Products
F - Tax
Common Stock
-963
$105.00
-101K
1
$9.13B
2022-02-16
2022-02-17
EDERINGTON BENJAMIN
SVP, GC, CAO and Secretary
F - Tax
Common Stock
-946
$105.00
-99,330
2
$9.13B
2022-02-15
2022-02-17
EDERINGTON BENJAMIN
SVP, GC, CAO and Secretary
M - Exercise
Restricted Stock Units
-3,796
$0.00
1
$9.13B
2022-02-15
2022-02-17
BUESINGER ROBERT
EVP, Vinyl Products
M - Exercise
Restricted Stock Units
-3,869
$0.00
1
$9.13B
2022-02-15
2022-02-17
CHAO ALBERT
President & CEO
M - Exercise
Restricted Stock Units
-18,354
$0.00
1
$9.13B
2022-02-15
2022-02-17
BENDER MARK STEVEN
EVP and CFO
M - Exercise
Restricted Stock Units
-4,755
$0.00
1
$9.13B
2022-02-15
2022-02-17
EDERINGTON BENJAMIN
SVP, GC, CAO and Secretary
M - Exercise
Common Stock
3,796
1
$9.13B