Stock chart
Ticker: SD Exchange: NYS


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Purchase Sale Planned purchase Planned sale Net purchase Net sale
Past 90 days
 
Value bought
 
Value sold
 
Net insiders buying
 
Trades (buy and sell)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Total value Details
2023-09-08 2023-09-06 S Sale

Pranin Grayson R

President, CEO and COO

Officer
4,742 -3.6%
16.17
76,670 USD
4,742 -3.6% 16.17 76,670 USD
2019-03-11 2019-03-07 B Purchase

READ RANDOLPH C

15,000 +171.2%
7.48
112,185 USD
15,000 +171.2% 7.48 112,185 USD
2018-01-11 2018-01-10 S Sale

Bott Julian Mark

EVP and CFO

2,373 -1.5%
21.00
49,834 USD
2,373 -1.5% 21.00 49,834 USD
2018-01-08 2018-01-05 S Sale

SUTER JOHN PATRICK

EVP & Chief Operating Officer

22,803 -21.0%
20.73
472,706 USD
22,803 -21.0% 20.73 472,706 USD
2018-01-03 2018-01-02 S Sale

WARMAN PHILIP T

SVP - General Counsel and Corp

13,351 -21.0%
21.21
283,124 USD
13,351 -21.0% 21.21 283,124 USD
2018-01-03 2018-01-02 S Sale

Bennett James Donald

President and CEO

100,000 -21.8%
21.12
2,112,340 USD
100,000 -21.8% 21.12 2,112,340 USD
2017-11-22 2017-11-22 B Purchase

ICAHN CARL C

Large shareholder
184,031 +4.0%
17.40
3,202,139 USD
184,031 +4.0% 17.40 3,202,139 USD
2017-11-22 2017-11-22 B Purchase

ICAHN CARL C

Large shareholder
20,333 +0.4%
17.07
347,084 USD
20,333 +0.4% 17.07 347,084 USD
2017-11-22 2017-11-21 B Purchase

ICAHN CARL C

Large shareholder
183,694 +4.1%
16.31
2,996,049 USD
183,694 +4.1% 16.31 2,996,049 USD
2017-11-22 2017-11-20 B Purchase

ICAHN CARL C

Large shareholder
869,184 +24.4%
16.11
14,002,554 USD
869,184 +24.4% 16.11 14,002,554 USD
2017-03-21 2017-03-17 B Purchase

BENNETT MICHAEL L

5,000 +58.6%
17.71
88,550 USD
5,000 +58.6% 17.71 88,550 USD
2017-03-13 2017-03-10 B Purchase

Bennett James Donald

President and CEO

10,000 +1.7%
18.00
180,000 USD
10,000 +1.7% 18.00 180,000 USD
2017-03-13 2017-03-09 B Purchase

Bennett James Donald

President and CEO

2,910 +0.5%
17.90
52,089 USD
2,910 +0.5% 17.90 52,089 USD
2017-03-13 2017-03-09 B Purchase

Bennett James Donald

President and CEO

2,090 +0.4%
17.90
37,411 USD
2,090 +0.4% 17.90 37,411 USD
2017-03-13 2017-03-09 B Purchase

Bennett James Donald

President and CEO

5,000 +0.9%
17.77
88,833 USD
5,000 +0.9% 17.77 88,833 USD
2017-02-15 2017-02-14 S Sale

Tyrus Capital S.A.M.

16,200 -0.7%
20.52
332,453 USD
16,200 -0.7% 20.52 332,453 USD
2017-02-02 2017-01-31 S Sale

Tyrus Capital S.A.M.

18,065 -1.6%
20.62
372,547 USD
18,065 -1.6% 20.62 372,547 USD
2014-10-10 2014-10-09 B Purchase

DOBSON EVERETT R

Non-Executive Director
13,900 +13.2%
3.80
52,789 USD
13,900 +13.2% 3.80 52,789 USD
2014-10-10 2014-10-08 B Purchase

DOBSON EVERETT R

Non-Executive Director
30,400 +40.7%
3.90
118,688 USD
30,400 +40.7% 3.90 118,688 USD
2014-10-07 2014-10-06 B Purchase

DOBSON EVERETT R

Non-Executive Director
38,900 +108.7%
3.93
152,803 USD
38,900 +108.7% 3.93 152,803 USD
2014-10-07 2014-10-03 B Purchase

DOBSON EVERETT R

Non-Executive Director
15,000 +72.1%
4.10
61,500 USD
15,000 +72.1% 4.10 61,500 USD
2014-09-16 2014-09-12 B Purchase

CHANG WAYNE

SVP & President Midstream

Officer
10,088 +176.8%
4.96
49,996 USD
10,088 +176.8% 4.96 49,996 USD
2014-06-16 2014-06-12 S Sale

COOLEY RANDALL D.

SVP - Accounting

Officer
25,000 -10.5%
6.85
171,250 USD
25,000 -10.5% 6.85 171,250 USD
2014-06-11 2014-06-10 S Sale

GILLILAND WILLIAM A.

Non-Executive Director
332,866 -76.3%
6.72
2,237,459 USD
332,866 -76.3% 6.72 2,237,459 USD
2014-06-11 2014-06-09 S Sale

GILLILAND WILLIAM A.

Non-Executive Director
1,388,489 -100.0%
6.79
9,421,731 USD
1,388,489 -100.0% 6.79 9,421,731 USD
2014-01-10 2014-01-10 S Sale

COOLEY RANDALL D.

Senior VP - Accounting

Officer
16,481 -8.1%
5.95
98,062 USD
16,481 -8.1% 5.95 98,062 USD
2013-10-11 2013-10-09 S Sale

WHITSON MARY L.

SVP - Corporate & HR

Officer
8,000 -2.6%
5.99
47,921 USD
8,000 -2.6% 5.99 47,921 USD
2013-09-19 2013-09-17 S Sale

COOLEY RANDALL D.

Senior VP - Accounting

16,714 -7.8%
5.60
93,598 USD
16,714 -7.8% 5.60 93,598 USD
2013-04-11 2013-04-09 S Sale

WHITSON MARY L.

SVP-Corporate and HR

Officer
10,000 -3.2%
5.19
51,900 USD
10,000 -3.2% 5.19 51,900 USD
2013-04-09 2013-04-05 B Purchase

CHANG WAYNE

SVP - Midstream

Officer
10,000 +3.6%
4.99
49,900 USD
10,000 +3.6% 4.99 49,900 USD
2013-03-21 2013-03-20 S Sale

TIPTON TODD N.

Executive VP - Exploration

Officer
17,929 -4.9%
5.59
100,216 USD
17,929 -4.9% 5.59 100,216 USD
2013-03-20 2013-03-18 S Sale

TIPTON TODD N.

Executive VP - Exploration

Officer
35,000 -8.7%
5.65
197,754 USD
35,000 -8.7% 5.65 197,754 USD
2013-03-19 2013-03-18 S Sale

WARD TOM L.

Chairman and CEO

Executive Director
832,000 -3.4%
5.63
4,687,405 USD
832,000 -3.4% 5.63 4,687,405 USD
2013-03-19 2013-03-15 S Sale

WARD TOM L.

Chairman and CEO

Executive Director
2,835,000 -10.4%
5.70
16,150,712 USD
2,835,000 -10.4% 5.70 16,150,712 USD
2013-03-19 2013-03-15 S Sale

JOHNSON RODNEY E.

EVP - Corp Reserves & Acquisit

Officer
83,026 -19.9%
5.80
481,576 USD
83,026 -19.9% 5.80 481,576 USD
2013-03-19 2013-03-15 S Sale

COOLEY RANDALL D.

Senior VP - Accounting

Officer
25,000 -10.5%
5.70
142,518 USD
25,000 -10.5% 5.70 142,518 USD
2012-12-31 2012-12-31 B Purchase

FAIRFAX FINANCIAL HOLDINGS LTD/ CAN

Large shareholder
525,000 +1.6%
6.25
3,280,673 USD
525,000 +1.6% 6.25 3,280,673 USD
2012-12-31 2012-12-28 B Purchase

FAIRFAX FINANCIAL HOLDINGS LTD/ CAN

Large shareholder
1,000,000 +3.2%
6.24
6,235,700 USD
1,000,000 +3.2% 6.24 6,235,700 USD
2012-12-31 2012-12-27 B Purchase

FAIRFAX FINANCIAL HOLDINGS LTD/ CAN

Large shareholder
1,500,000 +5.0%
6.25
9,375,300 USD
1,500,000 +5.0% 6.25 9,375,300 USD
2012-12-27 2012-12-26 B Purchase

FAIRFAX FINANCIAL HOLDINGS LTD/ CAN

Large shareholder
800,000 +2.8%
6.23
4,984,960 USD
800,000 +2.8% 6.23 4,984,960 USD
2012-12-27 2012-12-24 B Purchase

FAIRFAX FINANCIAL HOLDINGS LTD/ CAN

Large shareholder
500,000 +1.8%
6.21
3,104,400 USD
500,000 +1.8% 6.21 3,104,400 USD
2012-12-27 2012-12-21 B Purchase

FAIRFAX FINANCIAL HOLDINGS LTD/ CAN

Large shareholder
2,000,000 +7.6%
6.24
12,489,200 USD
2,000,000 +7.6% 6.24 12,489,200 USD
2012-12-27 2012-12-21 B Purchase

FAIRFAX FINANCIAL HOLDINGS LTD/ CAN

Large shareholder
175,000 +0.7%
6.20
1,085,000 USD
175,000 +0.7% 6.20 1,085,000 USD
2012-12-27 2012-12-21 B Purchase

FAIRFAX FINANCIAL HOLDINGS LTD/ CAN

Large shareholder
1,500,000 +6.1%
6.10
9,148,500 USD
1,500,000 +6.1% 6.10 9,148,500 USD
2012-09-18 2012-09-14 S Sale

TIPTON TODD N.

EVP - Exploration

Officer
28,034 -7.6%
7.62
213,543 USD
28,034 -7.6% 7.62 213,543 USD
2012-06-06 2012-06-04 B Purchase

OLIVER ROY T JR

Non-Executive Director
50,000 +3.9%
5.80
290,000 USD
50,000 +3.9% 5.80 290,000 USD
2012-04-04 2012-04-03 S Sale

TIPTON TODD N.

EVP - Exploration

Officer
4,000 -1.2%
8.03
32,120 USD
4,000 -1.2% 8.03 32,120 USD
2012-03-29 2012-03-28 B Purchase

JORDAN DANIEL

Non-Executive Director
25,000 +1.6%
7.90
197,500 USD
25,000 +1.6% 7.90 197,500 USD
2012-03-29 2012-03-28 B Purchase

JORDAN DANIEL

Non-Executive Director
25,000 +1.6%
7.80
195,000 USD
25,000 +1.6% 7.80 195,000 USD
2012-03-27 2012-03-23 B Purchase

JORDAN DANIEL

Non-Executive Director
25,000 +1.6%
7.76
193,988 USD
25,000 +1.6% 7.76 193,988 USD
2012-03-27 2012-03-23 S Sale

TIPTON TODD N.

EVP - Exploration

Officer
11,074 -3.4%
8.10
89,699 USD
11,074 -3.4% 8.10 89,699 USD
2012-03-27 2012-03-23 B Purchase

JORDAN DANIEL

Non-Executive Director
25,000 +1.6%
7.70
192,500 USD
25,000 +1.6% 7.70 192,500 USD
2012-03-27 2012-03-23 S Sale

TIPTON TODD N.

EVP - Exploration

Officer
14,601 -4.2%
8.04
117,392 USD
14,601 -4.2% 8.04 117,392 USD
2012-03-19 2012-03-16 S Sale

JOHNSON RODNEY E.

EVP Reservoir Engineering

Officer
11,053 -100.0%
8.48
93,679 USD
11,053 -100.0% 8.48 93,679 USD
2012-03-19 2012-03-15 S Sale

JOHNSON RODNEY E.

EVP Reservoir Engineering

Officer
28,000 -8.6%
8.37
234,360 USD
28,000 -8.6% 8.37 234,360 USD
2011-10-03 2011-09-29 B Purchase

OLIVER ROY T JR

Non-Executive Director
100,000 +8.5%
5.93
592,610 USD
100,000 +8.5% 5.93 592,610 USD
2011-09-15 2011-09-13 B Purchase

WINTON THOMAS L.

SVP - IT and CIO

Officer
2,000 +1.2%
6.95
13,900 USD
2,000 +1.2% 6.95 13,900 USD
2011-09-15 2011-09-13 B Purchase

WINTON THOMAS L.

SVP - IT and CIO

Officer
2,000 +1.2%
6.90
13,800 USD
2,000 +1.2% 6.90 13,800 USD
2011-08-23 2011-08-19 B Purchase

JORDAN DANIEL

Non-Executive Director
25,000 +1.7%
6.82
170,500 USD
25,000 +1.7% 6.82 170,500 USD
2011-08-15 2011-08-11 B Purchase

Brewer Jim Jones Jr

Non-Executive Director
4,100 +17.9%
7.26
29,752 USD
4,100 +17.9% 7.26 29,752 USD
2011-08-12 2011-08-10 B Purchase

JORDAN DANIEL

Non-Executive Director
10,000 +0.7%
7.17
71,700 USD
10,000 +0.7% 7.17 71,700 USD
2011-08-11 2011-08-09 B Purchase

OLIVER ROY T JR

Non-Executive Director
100,000 +9.3%
7.00
699,690 USD
100,000 +9.3% 7.00 699,690 USD
2011-07-25 2011-07-22 S Sale

FAIRFAX FINANCIAL HOLDINGS LTD/ CAN

Large shareholder
1,590,600 -25.6%
11.59
18,427,101 USD
1,590,600 -25.6% 11.59 18,427,101 USD
2011-07-25 2011-07-22 S Sale

FAIRFAX FINANCIAL HOLDINGS LTD/ CAN

Large shareholder
1,590,600 -25.6%
11.59
18,427,101 USD
1,590,600 -25.6% 11.59 18,427,101 USD
2011-07-25 2011-07-21 S Sale

FAIRFAX FINANCIAL HOLDINGS LTD/ CAN

Large shareholder
2,000,000 -24.3%
11.26
22,523,800 USD
2,000,000 -24.3% 11.26 22,523,800 USD
2011-07-25 2011-07-21 S Sale

FAIRFAX FINANCIAL HOLDINGS LTD/ CAN

Large shareholder
2,000,000 -24.3%
11.26
22,523,800 USD
2,000,000 -24.3% 11.26 22,523,800 USD
2011-07-20 2011-07-20 S Sale

FAIRFAX FINANCIAL HOLDINGS LTD/ CAN

Large shareholder
5,000,000 -37.8%
11.35
56,759,000 USD
5,000,000 -37.8% 11.35 56,759,000 USD
2011-07-20 2011-07-19 S Sale

FAIRFAX FINANCIAL HOLDINGS LTD/ CAN

Large shareholder
6,870,000 -34.2%
11.38
78,197,088 USD
6,870,000 -34.2% 11.38 78,197,088 USD
2011-07-20 2011-07-18 S Sale

FAIRFAX FINANCIAL HOLDINGS LTD/ CAN

Large shareholder
104,800 -0.5%
11.23
1,177,135 USD
104,800 -0.5% 11.23 1,177,135 USD
2011-07-20 2011-07-18 S Sale

FAIRFAX FINANCIAL HOLDINGS LTD/ CAN

Large shareholder
1,395,200 -6.5%
11.16
15,565,549 USD
1,395,200 -6.5% 11.16 15,565,549 USD
2011-05-31 2011-05-27 S Sale

TIPTON TODD N.

EVP - Exploration

Officer
17,790 -7.3%
12.07
214,725 USD
17,790 -7.3% 12.07 214,725 USD
2011-05-24 2011-05-20 S Sale

TIPTON TODD N.

EVP - Exploration

Officer
3,375 -1.4%
10.60
35,775 USD
3,375 -1.4% 10.60 35,775 USD
2011-05-24 2011-05-20 S Sale

TIPTON TODD N.

EVP - Exploration

Officer
4,254 -1.7%
10.59
45,050 USD
4,254 -1.7% 10.59 45,050 USD
2011-05-16 2011-05-13 B Purchase

Brewer Jim Jones Jr

Non-Executive Director
50 +500.0%
10.31
515 USD
50 +500.0% 10.31 515 USD
2011-05-16 2011-05-12 B Purchase

Brewer Jim Jones Jr

Non-Executive Director
4,814 +89.6%
10.27
49,425 USD
4,814 +89.6% 10.27 49,425 USD