Overview

Basic information

Litigation

Active legal matters

Material Events

8-K disclosures

SEC Filings

Key regulatory docs

Insider Transactions

Ownership changes

Overview

Basic information

Litigation

Active legal matters

Material Events

8-K disclosures

SEC Filings

Key regulatory docs

Insider Transactions

Ownership changes

Historical Insider Transactions

The table below lists insider purchases and sales reported by company officers, directors, and major shareholders during the last 12 months.

DATE

INSIDER

INSIDER TYPE SHARES PRICE

SHARES

PRICE

VALUE

Aug 07, 2025

Stice Travis D.

Stice Travis D.
Executive Chairman
Sell
4,478 $141.36

4,478

$141.36

$633,026

Aug 07, 2025

Stice Travis D.

Stice Travis D.
Executive Chairman
Sell
10,223 $142.37

10,223

$142.37

$1,455,416

Aug 07, 2025

Stice Travis D.

Stice Travis D.
Executive Chairman
Sell
2,478 $143.54

2,478

$143.54

$355,701

Aug 07, 2025

Stice Travis D.

Stice Travis D.
Executive Chairman
Sell
1,292 $144.42

1,292

$144.42

$186,596

Aug 07, 2025

Stice Travis D.

Stice Travis D.
Executive Chairman
Sell
975 $145.65

975

$145.65

$142,006

Aug 07, 2025

Stice Travis D.

Stice Travis D.
Executive Chairman
Sell
474 $146.63

474

$146.63

$69,505

Aug 07, 2025

Stice Travis D.

Stice Travis D.
Executive Chairman
Sell
480 $147.44

480

$147.44

$70,771

Jun 18, 2025

Meloy Charles Alvin

Meloy Charles Alvin
Sell
87 $155.03

87

$155.03

$13,487

Jun 17, 2025

Meloy Charles Alvin

Meloy Charles Alvin
Sell
6,039 $155.29

6,039

$155.29

$937,799

Jun 17, 2025

Meloy Charles Alvin

Meloy Charles Alvin
Sell
27 $156.02

27

$156.02

$4,213

Jun 09, 2025

Thompson Jere W III

Thompson Jere W III
CFO, Executive VP
Sell
1,500 $141.52

1,500

$141.52

$212,275

Jun 03, 2025

Wesson Daniel N

Wesson Daniel N
Exec. VP & COO
Sell
5,000 $142.06

5,000

$142.06

$710,307

May 12, 2025

Van't Hof Matthew Kaes

Van't Hof Matthew Kaes
President
Sell
10,000 $142.69

10,000

$142.69

$1,426,903

Feb 28, 2025

Tsuru Frank D.

Tsuru Frank D.
Buy
2,000 $156.51

2,000

$156.51

$313,020

Dec 16, 2024

WEST STEVEN E

WEST STEVEN E
Buy
6,000 $162.66

6,000

$162.66

$975,960

Dec 13, 2024

Van't Hof Matthew Kaes

Van't Hof Matthew Kaes
PRESIDENT & CFO
Sell
4,000 $163.48

4,000

$163.48

$653,928

Dec 05, 2024

Stice Travis D.

Stice Travis D.
CEO
Sell
3,000 $172.51

3,000

$172.51

$517,536

Nov 13, 2024

Plaumann Mark Lawrence

Plaumann Mark Lawrence
Sell
1,150 $181.00

1,150

$181.00

$208,150

Nov 13, 2024

Plaumann Mark Lawrence

Plaumann Mark Lawrence
Sell
240 $181.00

240

$181.00

$43,440

Nov 08, 2024

REEVES ROBERT K

REEVES ROBERT K
Buy
2,832 $180.00

2,832

$180.00

$509,760

Sep 23, 2024

Greth Lyndal

Greth Lyndal
Sell
1,348,510 $175.11

1,348,510

$175.11

$236,134,215

Sep 23, 2024

Greth Lyndal

Greth Lyndal
Sell
134,851 $175.11

134,851

$175.11

$23,613,421

Sep 23, 2024

Greth Lyndal

Greth Lyndal
Sell
7,578,332 $175.11

7,578,332

$175.11

$1,327,022,771

Sep 23, 2024

Greth Lyndal

Greth Lyndal
Sell
4,151,137 $175.11

4,151,137

$175.11

$726,895,222

Aug 09, 2024

Dick Teresa L.

Dick Teresa L.
CAO, Exec. VP, Assist. Sec.
Sell
5,000 $200.00

5,000

$200.00

$1,000,000

Aug 08, 2024

Van't Hof Matthew Kaes

Van't Hof Matthew Kaes
PRESIDENT & CFO
Sell
24,294 $197.69

24,294

$197.69

$4,802,800

Aug 08, 2024

Van't Hof Matthew Kaes

Van't Hof Matthew Kaes
PRESIDENT & CFO
Sell
25,706 $198.59

25,706

$198.59

$5,104,906

Jun 10, 2024

Wesson Daniel N

Wesson Daniel N
Exec. VP & COO
Sell
4,000 $194.69

4,000

$194.69

$778,760

Jun 10, 2024

Barkmann Albert

Barkmann Albert
Exec. VP and Chief Engineer
Sell
1,000 $194.75

1,000

$194.75

$194,750

May 28, 2024

Wesson Daniel N

Wesson Daniel N
Exec. VP & COO
Sell
6,000 $197.14

6,000

$197.14

$1,182,844

Apr 02, 2024

Stice Travis D.

Stice Travis D.
CEO
Sell
30,000 $200.00

30,000

$200.00

$6,000,060

Mar 21, 2024

Dick Teresa L.

Dick Teresa L.
CAO, Exec. VP, Assist. Sec.
Sell
2,000 $193.92

2,000

$193.92

$387,840

Mar 21, 2024

Zmigrosky Matt

Zmigrosky Matt
EVP, Chief Legal and Admin Off
Sell
5,000 $193.94

5,000

$193.94

$969,685

Mar 20, 2024

Dick Teresa L.

Dick Teresa L.
CAO, Exec. VP, Assist. Sec.
Sell
2,000 $192.00

2,000

$192.00

$384,000

Mar 20, 2024

Van't Hof Matthew Kaes

Van't Hof Matthew Kaes
PRESIDENT & CFO
Sell
12,000 $190.82

12,000

$190.82

$2,289,847

Mar 20, 2024

Barkmann Albert

Barkmann Albert
Exec. VP and Chief Engineer
Sell
1,066 $190.75

1,066

$190.75

$203,340

Mar 19, 2024

Wesson Daniel N

Wesson Daniel N
Exec. VP & COO
Sell
6,000 $192.17

6,000

$192.17

$1,153,024

Mar 19, 2024

Thompson Jere W III

Thompson Jere W III
Exec. VP - Strategy & Corp Dev
Sell
2,675 $192.35

2,675

$192.35

$514,524

Dec 14, 2023

Van't Hof Matthew Kaes

Van't Hof Matthew Kaes
PRESIDENT & CFO
Sell
4,000 $153.32

4,000

$153.32

$613,266

Sep 12, 2023

Zmigrosky Matt

Zmigrosky Matt
EVP, Chief Legal and Admin Off
Sell
2,706 $157.17

2,706

$157.17

$425,302

Sep 12, 2023

Houston David L

Houston David L
Sell
8,000 $156.54

8,000

$156.54

$1,252,342

Aug 10, 2023

WEST STEVEN E

WEST STEVEN E
Sell
8,000 $150.65

8,000

$150.65

$1,205,181

Aug 04, 2023

Van't Hof Matthew Kaes

Van't Hof Matthew Kaes
PRESIDENT & CFO
Sell
9,000 $148.98

9,000

$148.98

$1,340,813

Aug 03, 2023

Wesson Daniel N

Wesson Daniel N
Exec. VP & COO
Sell
4,000 $149.68

4,000

$149.68

$598,702

Aug 03, 2023

Zmigrosky Matt

Zmigrosky Matt
EVP, Chief Legal and Admin Off
Sell
5,812 $150.16

5,812

$150.16

$872,731

Jun 13, 2023

Stice Travis D.

Stice Travis D.
CEO
Sell
11,600 $132.13

11,600

$132.13

$1,532,692

Jun 13, 2023

Van't Hof Matthew Kaes

Van't Hof Matthew Kaes
PRESIDENT & CFO
Sell
7,500 $132.10

7,500

$132.10

$990,725

Jun 09, 2023

Wesson Daniel N

Wesson Daniel N
Exec. VP & COO
Sell
3,000 $132.51

3,000

$132.51

$397,517

Dec 21, 2022

Zmigrosky Matt

Zmigrosky Matt
Exec. VP, Gen Counsel and Sec
Sell
2,012 $136.96

2,012

$136.96

$275,562

Jun 07, 2022

Van't Hof Matthew Kaes

Van't Hof Matthew Kaes
PRESIDENT & CFO
Sell
6,000 $160.00

6,000

$160.00

$960,000

May 27, 2022

Stice Travis D.

Stice Travis D.
CEO
Sell
30,000 $150.01

30,000

$150.01

$4,500,303

May 27, 2022

Dick Teresa L.

Dick Teresa L.
CAO, Exec. VP, Assist. Sec.
Sell
2,500 $152.22

2,500

$152.22

$380,544

May 27, 2022

Van't Hof Matthew Kaes

Van't Hof Matthew Kaes
PRESIDENT & CFO
Sell
6,000 $150.00

6,000

$150.00

$900,000

Apr 04, 2022

Van't Hof Matthew Kaes

Van't Hof Matthew Kaes
PRESIDENT & CFO
Sell
6,000 $140.02

6,000

$140.02

$840,120

Mar 21, 2022

Dick Teresa L.

Dick Teresa L.
CAO, Exec. VP, Assist. Sec.
Sell
2,500 $140.03

2,500

$140.03

$350,069

Mar 04, 2022

Zmigrosky Matt

Zmigrosky Matt
Exec. VP, Gen Counsel and Sec
Sell
3,000 $136.77

3,000

$136.77

$410,310

Mar 03, 2022

Wesson Daniel N

Wesson Daniel N
Exec. VP & COO
Sell
3,500 $134.95

3,500

$134.95

$472,319

Mar 02, 2022

Hawkins Thomas F.

Hawkins Thomas F.
Exec. VP - Special Projects
Sell
2,484 $136.73

2,484

$136.73

$339,627

Mar 02, 2022

Hawkins Thomas F.

Hawkins Thomas F.
Exec. VP - Special Projects
Sell
5,516 $138.11

5,516

$138.11

$761,805

Mar 01, 2022

Cross Michael P

Cross Michael P
Sell
4,000 $139.00

4,000

$139.00

$556,000

Dec 01, 2021

Wesson Daniel N

Wesson Daniel N
Exec. VP - Operations
Sell
2,400 $108.48

2,400

$108.48

$260,357

Nov 08, 2021

Dick Teresa L.

Dick Teresa L.
CAO, Exec. VP, Assist. Sec.
Sell
2,500 $115.91

2,500

$115.91

$289,775

Nov 08, 2021

Dick Teresa L.

Dick Teresa L.
CAO, Exec. VP, Assist. Sec.
Sell
2,500 $117.00

2,500

$117.00

$292,500

Nov 08, 2021

Cross Michael P

Cross Michael P
Sell
3,000 $117.18

3,000

$117.18

$351,532

Nov 05, 2021

Dick Teresa L.

Dick Teresa L.
CAO, Exec. VP, Assist. Sec.
Sell
2,500 $114.51

2,500

$114.51

$286,275

Nov 04, 2021

Van't Hof Matthew Kaes

Van't Hof Matthew Kaes
CFO & Exec. VP - Bus Dev
Sell
5,500 $111.35

5,500

$111.35

$612,426

May 12, 2021

Hawkins Thomas F.

Hawkins Thomas F.
Exec. VP - Land
Sell
7,500 $83.69

7,500

$83.69

$627,674

May 05, 2021

Stice Travis D.

Stice Travis D.
CEO
Sell
20,000 $85.00

20,000

$85.00

$1,700,000

Apr 29, 2021

Stice Travis D.

Stice Travis D.
CEO
Sell
20,000 $85.00

20,000

$85.00

$1,700,000

Mar 19, 2021

Van't Hof Matthew Kaes

Van't Hof Matthew Kaes
CFO & Exec. VP - Bus Dev
Sell
1,900 $77.24

1,900

$77.24

$146,747

Mar 08, 2021

Hawkins Thomas F.

Hawkins Thomas F.
Exec. VP - Land
Sell
10,000 $83.66

10,000

$83.66

$836,630

Mar 05, 2021

Cross Michael P

Cross Michael P
Sell
3,000 $85.54

3,000

$85.54

$256,620

Mar 01, 2021

Pantermuehl Russell

Pantermuehl Russell
Exec. VP & Chief Engineer
Sell
10,000 $73.80

10,000

$73.80

$738,025

Feb 25, 2021

Pantermuehl Russell

Pantermuehl Russell
Exec. VP & Chief Engineer
Sell
10,000 $74.51

10,000

$74.51

$745,101

Jun 19, 2020

Van't Hof Matthew Kaes

Van't Hof Matthew Kaes
CFO & Exec. VP - Bus Dev
Buy
1,800 $46.92

1,800

$46.92

$84,456

Mar 19, 2020

Van't Hof Matthew Kaes

Van't Hof Matthew Kaes
CFO & Exec. VP - Bus Dev
Buy
4,750 $17.23

4,750

$17.23

$81,839

Mar 10, 2020

Stice Travis D.

Stice Travis D.
CEO
Buy
17,146 $28.40

17,146

$28.40

$487,001

Sep 17, 2019

Pantermuehl Russell

Pantermuehl Russell
Exec. VP & Chief Engineer
Sell
3,000 $104.25

3,000

$104.25

$312,759

Sep 17, 2019

Cross Michael P

Cross Michael P
Sell
1,000 $104.75

1,000

$104.75

$104,750

Sep 16, 2019

Hollis Michael L.

Hollis Michael L.
President and COO
Sell
2,000 $102.25

2,000

$102.25

$204,493

Sep 16, 2019

HOLDER RANDALL J

HOLDER RANDALL J
EVP
Sell
3,000 $103.21

3,000

$103.21

$309,620

Sep 10, 2019

Pantermuehl Russell

Pantermuehl Russell
Exec. VP & Chief Engineer
Sell
5,000 $100.25

5,000

$100.25

$501,264

Aug 21, 2019

Pantermuehl Russell

Pantermuehl Russell
Exec. VP & Chief Engineer
Sell
2,000 $100.78

2,000

$100.78

$201,551

Aug 19, 2019

HOLDER RANDALL J

HOLDER RANDALL J
EVP
Sell
3,000 $100.00

3,000

$100.00

$300,000

Aug 09, 2019

Stice Travis D.

Stice Travis D.
CEO
Buy
4,186 $95.55

4,186

$95.55

$399,968

Jun 20, 2019

Pantermuehl Russell

Pantermuehl Russell
Exec. VP & Chief Engineer
Sell
5,000 $107.28

5,000

$107.28

$536,416

Jun 20, 2019

Van't Hof Matthew Kaes

Van't Hof Matthew Kaes
CFO & Exec. VP - Bus Dev
Sell
1,500 $107.47

1,500

$107.47

$161,200

May 21, 2019

Pantermuehl Russell

Pantermuehl Russell
Exec. VP & Chief Engineer
Sell
5,000 $112.18

5,000

$112.18

$560,897

Mar 18, 2019

HOLDER RANDALL J

HOLDER RANDALL J
EVP
Sell
4,000 $104.13

4,000

$104.13

$416,511

Mar 14, 2019

Soliman Jennifer

Soliman Jennifer
Exec. VP and Chief HR Officer
Sell
350 $104.41

350

$104.41

$36,544

Mar 13, 2019

Van't Hof Matthew Kaes

Van't Hof Matthew Kaes
CFO & Exec. VP - Bus Dev
Sell
1,700 $101.82

1,700

$101.82

$173,094

Mar 08, 2019

Hollis Michael L.

Hollis Michael L.
President and COO
Buy
5,313 $95.12

5,313

$95.12

$505,352

Dec 20, 2018

Van't Hof Matthew Kaes

Van't Hof Matthew Kaes
Sr. VP - Strategy & Corp Dev
Sell
1,000 $89.91

1,000

$89.91

$89,913

Sep 20, 2018

Pantermuehl Russell

Pantermuehl Russell
Exec. VP Reservoir Engineering
Sell
1,032 $129.30

1,032

$129.30

$133,438

Sep 20, 2018

Molnar Paul

Molnar Paul
Exec. VP Exploration & Bus Dev
Sell
5,000 $127.64

5,000

$127.64

$638,183

Sep 19, 2018

Pantermuehl Russell

Pantermuehl Russell
Exec. VP Reservoir Engineering
Sell
2,000 $127.80

2,000

$127.80

$255,600

Sep 04, 2018

Van't Hof Matthew Kaes

Van't Hof Matthew Kaes
Sr. VP - Strategy & Corp Dev
Sell
140 $120.61

140

$120.61

$16,885

Jul 16, 2018

Hollis Michael L.

Hollis Michael L.
President and COO
Sell
5,000 $128.85

5,000

$128.85

$644,250

Jun 20, 2018

Van't Hof Matthew Kaes

Van't Hof Matthew Kaes
Sr. VP - Strategy & Corp Dev
Sell
832 $128.46

832

$128.46

$106,876

May 17, 2018

Pantermuehl Russell

Pantermuehl Russell
Exec. VP Reservoir Engineering
Sell
2,000 $137.00

2,000

$137.00

$274,003

May 17, 2018

Dick Teresa L.

Dick Teresa L.
CFO, Exec. VP, Assist. Sec.
Sell
2,500 $136.98

2,500

$136.98

$342,450

May 11, 2018

Houston David L

Houston David L
Sell
6,500 $125.76

6,500

$125.76

$817,426

Apr 16, 2018

Hollis Michael L.

Hollis Michael L.
President and COO
Sell
3,000 $118.80

3,000

$118.80

$356,400

Mar 05, 2018

Dick Teresa L.

Dick Teresa L.
CFO, Exec. VP, Assist. Sec.
Sell
2,500 $130.97

2,500

$130.97

$327,422

Mar 05, 2018

Molnar Paul

Molnar Paul
Exec. VP Exploration & Bus Dev
Sell
10,000 $130.46

10,000

$130.46

$1,304,558

Feb 22, 2018

Soliman Jennifer

Soliman Jennifer
Sr. VP and Chief HR Officer
Sell
128 $124.50

128

$124.50

$15,936

Feb 22, 2018

HOLDER RANDALL J

HOLDER RANDALL J
Exec. VP, General Counsel, Sec
Sell
7,120 $124.15

7,120

$124.15

$883,950

Feb 16, 2018

Pantermuehl Russell

Pantermuehl Russell
Exec. VP Reservoir Engineering
Sell
7,821 $124.36

7,821

$124.36

$972,645

Feb 16, 2018

Pantermuehl Russell

Pantermuehl Russell
Exec. VP Reservoir Engineering
Sell
7,811 $125.09

7,811

$125.09

$977,087

Feb 16, 2018

Pantermuehl Russell

Pantermuehl Russell
Exec. VP Reservoir Engineering
Sell
8,128 $126.20

8,128

$126.20

$1,025,737

Feb 16, 2018

Stice Travis D.

Stice Travis D.
CEO
Sell
30,383 $124.36

30,383

$124.36

$3,778,403

Feb 16, 2018

Stice Travis D.

Stice Travis D.
CEO
Sell
27,790 $125.06

27,790

$125.06

$3,475,509

Feb 16, 2018

Stice Travis D.

Stice Travis D.
CEO
Sell
28,977 $126.20

28,977

$126.20

$3,656,961

Feb 16, 2018

Dick Teresa L.

Dick Teresa L.
CFO, Exec. VP, Assist. Sec.
Sell
2,093 $124.60

2,093

$124.60

$260,789

Feb 16, 2018

Dick Teresa L.

Dick Teresa L.
CFO, Exec. VP, Assist. Sec.
Sell
2,540 $125.17

2,540

$125.17

$317,940

Feb 16, 2018

Dick Teresa L.

Dick Teresa L.
CFO, Exec. VP, Assist. Sec.
Sell
2,100 $126.22

2,100

$126.22

$265,071

Feb 16, 2018

Hawkins Thomas F.

Hawkins Thomas F.
Sr. VP - Land
Sell
655 $126.23

655

$126.23

$82,678

Feb 16, 2018

Soliman Jennifer

Soliman Jennifer
Sr. VP and Chief HR Officer
Sell
183 $126.38

183

$126.38

$23,128

Feb 16, 2018

Van't Hof Matthew Kaes

Van't Hof Matthew Kaes
Sr. VP - Strategy & Corp Dev
Sell
1 $125.12

1

$125.12

$125

Feb 16, 2018

Van't Hof Matthew Kaes

Van't Hof Matthew Kaes
Sr. VP - Strategy & Corp Dev
Sell
664 $126.13

664

$126.13

$83,751

Feb 16, 2018

Hollis Michael L.

Hollis Michael L.
President and COO
Sell
10,542 $124.40

10,542

$124.40

$1,311,437

Feb 16, 2018

Hollis Michael L.

Hollis Michael L.
President and COO
Sell
9,793 $125.10

9,793

$125.10

$1,225,150

Feb 16, 2018

Hollis Michael L.

Hollis Michael L.
President and COO
Sell
9,410 $126.22

9,410

$126.22

$1,187,714

Feb 16, 2018

HOLDER RANDALL J

HOLDER RANDALL J
Exec. VP, General Counsel, Sec
Sell
2,587 $124.71

2,587

$124.71

$322,613

Feb 16, 2018

HOLDER RANDALL J

HOLDER RANDALL J
Exec. VP, General Counsel, Sec
Sell
1,166 $125.43

1,166

$125.43

$146,250

Feb 16, 2018

HOLDER RANDALL J

HOLDER RANDALL J
Exec. VP, General Counsel, Sec
Sell
2,970 $126.24

2,970

$126.24

$374,933

Feb 16, 2018

Molnar Paul

Molnar Paul
Exec. VP Exploration & Bus Dev
Sell
4,425 $124.43

4,425

$124.43

$550,617

Feb 16, 2018

Molnar Paul

Molnar Paul
Exec. VP Exploration & Bus Dev
Sell
4,324 $125.16

4,324

$125.16

$541,206

Feb 16, 2018

Molnar Paul

Molnar Paul
Exec. VP Exploration & Bus Dev
Sell
3,900 $126.22

3,900

$126.22

$492,246

Jan 16, 2018

Hollis Michael L.

Hollis Michael L.
President and COO
Sell
1,200 $128.85

1,200

$128.85

$154,618

Jan 16, 2018

Hollis Michael L.

Hollis Michael L.
President and COO
Sell
1,500 $129.55

1,500

$129.55

$194,330

Jan 16, 2018

Hollis Michael L.

Hollis Michael L.
President and COO
Sell
300 $130.29

300

$130.29

$39,087

Jan 02, 2018

Stice Travis D.

Stice Travis D.
CEO
Sell
35,000 $125.00

35,000

$125.00

$4,375,000

TOP