Stock chart
Ticker: AM Exchange: NYS


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Earnings
Earnings
 
Value bought

Past 90 days

 
Value sold

Past 90 days

 
Net insiders buying

Past 90 days

 
Trades (buy and sell)

Past 90 days

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 Value Details
2024-12-16 2024-12-13 B Purchase

MCARDLE JANINE J

Non-Executive Director
1,174 +1.7%
15.11
USD 17,739
1,174 +1.7% 15.11 USD 17,739
2024-11-06 2024-11-05 S Sale

KLIMLEY BROOKS J

Non-Executive Director
10,000 -11.9%
14.66
USD 146,600
10,000 -11.9% 14.66 USD 146,600
2024-08-22 2024-08-21 S Sale

Pearce Sheri

See Remarks

Officer
23,518 -15.3%
14.59
USD 343,128
23,518 -15.3% 14.59 USD 343,128
2024-03-14 2024-03-13 S Sale

Pearce Sheri

See Remarks

Officer
16,394 -8.8%
13.67
USD 224,106
16,394 -8.8% 13.67 USD 224,106
2023-08-22 2023-08-22 B Purchase

MCARDLE JANINE J

Non-Executive Director
6,011 +12.5%
11.96
USD 71,892
6,011 +12.5% 11.96 USD 71,892
2023-08-09 2023-08-09 S Sale

Pearce Sheri

See Remarks

Officer
16,600 -10.7%
12.05
USD 200,030
16,600 -10.7% 12.05 USD 200,030
2023-08-09 2023-08-09 S Sale

KLIMLEY BROOKS J

Non-Executive Director
5,000 -6.6%
12.01
USD 60,025
5,000 -6.6% 12.01 USD 60,025
2023-06-01 2023-06-01 S Sale

Pearce Sheri

See Remarks

Officer
19,600 -11.2%
10.25
USD 200,900
19,600 -11.2% 10.25 USD 200,900
2023-05-05 2023-05-05 S Sale

Kennedy Michael N.

See Remarks

Executive Director
300,000 -22.0%
10.47
USD 3,141,000
300,000 -22.0% 10.47 USD 3,141,000
2023-03-15 2023-03-15 B Purchase

KEYTE DAVID H

Non-Executive Director
10,000 +14.4%
10.01
USD 100,100
10,000 +14.4% 10.01 USD 100,100
2022-05-25 2022-05-25 S Sale

Keenan W Howard JR

Non-Executive Director
147,367 -100.0%
10.49
USD 1,546,057
147,367 -100.0% 10.49 USD 1,546,057
2022-05-25 2022-05-25 S Sale

Keenan W Howard JR

Non-Executive Director
95,501 -100.0%
10.49
USD 1,001,920
95,501 -100.0% 10.49 USD 1,001,920
2022-05-25 2022-05-24 S Sale

Keenan W Howard JR

Non-Executive Director
181,439 -55.2%
10.23
USD 1,855,486
181,439 -55.2% 10.23 USD 1,855,486
2022-05-25 2022-05-24 S Sale

Keenan W Howard JR

Non-Executive Director
117,580 -55.2%
10.23
USD 1,202,432
117,580 -55.2% 10.23 USD 1,202,432
2022-05-25 2022-05-23 S Sale

Keenan W Howard JR

Non-Executive Director
152,299 -31.7%
10.31
USD 1,569,822
152,299 -31.7% 10.31 USD 1,569,822
2022-05-25 2022-05-23 S Sale

Keenan W Howard JR

Non-Executive Director
98,697 -31.7%
10.31
USD 1,017,319
98,697 -31.7% 10.31 USD 1,017,319
2022-05-20 2022-05-20 S Sale

Keenan W Howard JR

Non-Executive Director
41,566 -8.0%
10.19
USD 423,479
41,566 -8.0% 10.19 USD 423,479
2022-05-20 2022-05-20 S Sale

Keenan W Howard JR

Non-Executive Director
26,936 -8.0%
10.19
USD 274,427
26,936 -8.0% 10.19 USD 274,427
2022-05-20 2022-05-19 S Sale

Keenan W Howard JR

Non-Executive Director
275,327 -34.5%
10.19
USD 2,804,563
275,327 -34.5% 10.19 USD 2,804,563
2022-05-20 2022-05-19 S Sale

Keenan W Howard JR

Non-Executive Director
178,424 -34.5%
10.19
USD 1,817,480
178,424 -34.5% 10.19 USD 1,817,480
2022-05-20 2022-05-18 S Sale

Keenan W Howard JR

Non-Executive Director
184,008 -18.7%
10.33
USD 1,899,883
184,008 -18.7% 10.33 USD 1,899,883
2022-05-20 2022-05-18 S Sale

Keenan W Howard JR

Non-Executive Director
119,246 -18.7%
10.33
USD 1,231,215
119,246 -18.7% 10.33 USD 1,231,215
2022-05-12 2022-05-12 B Purchase

KEYTE DAVID H

Non-Executive Director
10,000 +20.2%
9.80
USD 98,000
10,000 +20.2% 9.80 USD 98,000
2022-05-05 2022-05-05 B Purchase

Krueger Brendan E.

See Remarks

Officer
7,000 +2.5%
10.53
USD 73,710
7,000 +2.5% 10.53 USD 73,710
2022-05-05 2022-05-04 B Purchase

Krueger Brendan E.

See Remarks

Officer
3,000 +1.1%
10.54
USD 31,620
3,000 +1.1% 10.54 USD 31,620
2021-11-22 2021-11-18 S Sale

KLIMLEY BROOKS J

Non-Executive Director
7,500 -12.2%
10.49
USD 78,679
7,500 -12.2% 10.49 USD 78,679
2020-11-25 2020-11-24 S Sale

Pearce Sheri

See Remarks

Officer
1,326 -2.9%
7.27
USD 9,636
1,326 -2.9% 7.27 USD 9,636
2020-11-12 2020-11-12 S Sale

KLIMLEY BROOKS J

Non-Executive Director
9,788 -18.9%
6.22
USD 60,920
9,788 -18.9% 6.22 USD 60,920
2020-09-15 2020-09-14 S Sale

RADY PAUL M

Chief Executive Officer

Executive Director
8,600,000 -85.6%
5.40
USD 46,440,000
8,600,000 -85.6% 5.40 USD 46,440,000
2020-05-05 2020-05-05 S Sale

Warren Glen C Jr

President and Secretary

Executive Director
10,000,000 -59.2%
4.10
USD 41,000,000
10,000,000 -59.2% 4.10 USD 41,000,000
2020-05-05 2020-05-05 S Sale

RADY PAUL M

Chief Executive Officer

Executive Director
18,000,000 -93.8%
4.10
USD 73,800,000
18,000,000 -93.8% 4.10 USD 73,800,000
2020-03-11 2020-03-09 PS Planned sale

Yoo K. Phil

See Remarks

Officer
50,000 -27.1%
3.60
USD 179,800
50,000 -27.1% 3.60 USD 179,800
2019-12-16 2019-12-16 S Sale

Yoo K. Phil

See Remarks

Officer
97,395 -34.5%
6.05
USD 589,279
97,395 -34.5% 6.05 USD 589,279
2019-12-05 2019-12-03 PS Planned sale

Yoo K. Phil

See Remarks

Officer
20,000 -6.6%
4.45
USD 88,948
20,000 -6.6% 4.45 USD 88,948
2019-11-13 2019-11-12 S Sale

KAGAN PETER

Non-Executive Director
22,965,437 -100.0%
6.52
USD 149,734,649
22,965,437 -100.0% 6.52 USD 149,734,649
2019-11-13 2019-11-12 S Sale

Keenan W Howard JR

1,820,463 -34.6%
6.52
USD 11,869,419
1,820,463 -34.6% 6.52 USD 11,869,419
2019-11-13 2019-11-12 S Sale

Keenan W Howard JR

1,179,537 -34.6%
6.52
USD 7,690,581
1,179,537 -34.6% 6.52 USD 7,690,581
2019-11-13 2019-11-12 S Sale

Warburg Pincus Private Equity X O&G, L.P.

Non-Executive Director Large shareholder
22,965,437 -100.0%
6.52
USD 149,734,649
22,965,437 -100.0% 6.52 USD 149,734,649
2019-11-13 2019-11-12 S Sale

Warburg Pincus Private Equity X O&G, L.P.

Non-Executive Director Large shareholder
711,929 -100.0%
6.52
USD 4,641,777
711,929 -100.0% 6.52 USD 4,641,777
2019-11-13 2019-11-12 S Sale

Warburg Pincus Private Equity X O&G, L.P.

Non-Executive Director Large shareholder
22,253,508 -100.0%
6.52
USD 145,092,872
22,253,508 -100.0% 6.52 USD 145,092,872
2019-11-13 2019-11-12 S Sale

Yorktown Energy Partners VII, L.P.

1,179,537 -34.6%
6.52
USD 7,690,581
1,179,537 -34.6% 6.52 USD 7,690,581
2019-11-13 2019-11-12 S Sale

Yorktown VIII Associates LLC

1,820,463 -34.6%
6.52
USD 11,869,419
1,820,463 -34.6% 6.52 USD 11,869,419
2019-11-13 2019-11-12 S Sale

Yorktown VII Associates LLC

1,179,537 -34.6%
6.52
USD 7,690,581
1,179,537 -34.6% 6.52 USD 7,690,581
2019-11-13 2019-11-12 S Sale

Yorktown Energy Partners VIII, L.P.

1,820,463 -34.6%
6.52
USD 11,869,419
1,820,463 -34.6% 6.52 USD 11,869,419
2019-09-09 2019-09-05 S Sale

Keenan W Howard JR

1,463,246 -100.0%
6.81
USD 9,964,705
1,463,246 -100.0% 6.81 USD 9,964,705
2019-09-09 2019-09-05 S Sale

Keenan W Howard JR

1,392,602 -100.0%
6.81
USD 9,483,620
1,392,602 -100.0% 6.81 USD 9,483,620
2019-09-06 2019-09-05 S Sale

KAGAN PETER

17,144,152 -42.7%
6.81
USD 116,751,675
17,144,152 -42.7% 6.81 USD 116,751,675
2019-09-06 2019-09-05 S Sale

Yorktown Energy Partners VI LP

Large shareholder
1,463,246 -100.0%
6.81
USD 9,964,705
1,463,246 -100.0% 6.81 USD 9,964,705
2019-09-06 2019-09-05 S Sale

Warburg Pincus Private Equity X O&G, L.P.

Large shareholder
17,144,152 -42.7%
6.81
USD 116,751,675
17,144,152 -42.7% 6.81 USD 116,751,675
2019-09-06 2019-09-05 S Sale

Warburg Pincus Private Equity X O&G, L.P.

Large shareholder
402,481 -36.1%
6.81
USD 2,740,896
402,481 -36.1% 6.81 USD 2,740,896
2019-09-06 2019-09-05 S Sale

Warburg Pincus Private Equity X O&G, L.P.

Large shareholder
12,580,788 -36.1%
6.81
USD 85,675,166
12,580,788 -36.1% 6.81 USD 85,675,166
2019-09-06 2019-09-05 S Sale

Yorktown V CO LLC

Large shareholder
1,392,602 -100.0%
6.81
USD 9,483,620
1,392,602 -100.0% 6.81 USD 9,483,620
2019-09-06 2019-09-05 S Sale

YORKTOWN ENERGY PARTNERS V LP

Large shareholder
1,392,602 -100.0%
6.81
USD 9,483,620
1,392,602 -100.0% 6.81 USD 9,483,620
2019-09-06 2019-09-05 S Sale

Yorktown VI Associates LLC

Large shareholder
1,463,246 -100.0%
6.81
USD 9,964,705
1,463,246 -100.0% 6.81 USD 9,964,705
2019-09-04 2019-09-03 PS Planned sale

Yoo K. Phil

See Remarks

15,000 -4.7%
6.97
USD 104,490
15,000 -4.7% 6.97 USD 104,490
2019-05-23 2019-05-23 S Sale

Yoo K. Phil

See Remarks

20,000 -5.9%
13.17
USD 263,342
20,000 -5.9% 13.17 USD 263,342
2019-05-23 2019-05-21 S Sale

Yorktown Energy Partners VIII, L.P.

Large shareholder
1,825,600 -25.7%
12.61
USD 23,020,816
1,825,600 -25.7% 12.61 USD 23,020,816
2019-05-23 2019-05-21 S Sale

Yorktown Energy Partners VII, L.P.

Large shareholder
1,183,600 -25.8%
12.61
USD 14,925,196
1,183,600 -25.8% 12.61 USD 14,925,196
2019-05-23 2019-05-21 S Sale

Yorktown VII Associates LLC

Large shareholder
1,183,600 -25.8%
12.61
USD 14,925,196
1,183,600 -25.8% 12.61 USD 14,925,196
2019-05-23 2019-05-21 S Sale

Yorktown VIII Associates LLC

Large shareholder
1,825,600 -25.7%
12.61
USD 23,020,816
1,825,600 -25.7% 12.61 USD 23,020,816
2019-05-23 2019-05-21 S Sale

Yorktown V CO LLC

Non-Executive Director Large shareholder
483,200 -25.8%
12.61
USD 6,093,152
483,200 -25.8% 12.61 USD 6,093,152
2019-05-23 2019-05-21 S Sale

Yorktown Energy Partners VI LP

Non-Executive Director Large shareholder
507,600 -25.8%
12.61
USD 6,400,836
507,600 -25.8% 12.61 USD 6,400,836
2019-05-23 2019-05-21 S Sale

Yorktown VI Associates LLC

Non-Executive Director Large shareholder
507,600 -25.8%
12.61
USD 6,400,836
507,600 -25.8% 12.61 USD 6,400,836
2019-05-23 2019-05-21 S Sale

Keenan W Howard JR

Non-Executive Director
1,825,600 -25.7%
12.61
USD 23,020,816
1,825,600 -25.7% 12.61 USD 23,020,816
2019-05-23 2019-05-21 S Sale

Keenan W Howard JR

Non-Executive Director
1,183,600 -25.8%
12.61
USD 14,925,196
1,183,600 -25.8% 12.61 USD 14,925,196
2019-05-23 2019-05-21 S Sale

Keenan W Howard JR

Non-Executive Director
507,600 -25.8%
12.61
USD 6,400,836
507,600 -25.8% 12.61 USD 6,400,836
2019-05-23 2019-05-21 S Sale

Keenan W Howard JR

Non-Executive Director
483,200 -25.8%
12.61
USD 6,093,152
483,200 -25.8% 12.61 USD 6,093,152
2019-05-23 2019-05-21 S Sale

KAGAN PETER

Non-Executive Director
15,000,000 -27.2%
12.61
USD 189,150,000
15,000,000 -27.2% 12.61 USD 189,150,000
2019-05-23 2019-05-21 S Sale

YORKTOWN ENERGY PARTNERS V LP

Non-Executive Director Large shareholder
483,200 -25.8%
12.61
USD 6,093,152
483,200 -25.8% 12.61 USD 6,093,152
2019-05-23 2019-05-21 S Sale

Warburg Pincus Private Equity X O&G, L.P.

Non-Executive Director Large shareholder
15,000,000 -27.2%
12.61
USD 189,150,000
15,000,000 -27.2% 12.61 USD 189,150,000
2019-05-23 2019-05-21 S Sale

Warburg Pincus Private Equity X O&G, L.P.

Non-Executive Director Large shareholder
42,135 -0.1%
12.61
USD 531,322
42,135 -0.1% 12.61 USD 531,322
2019-03-14 2019-03-14 S Sale

Kennedy Michael N.

See Remarks

Officer
27,479 -4.5%
12.86
USD 353,380
27,479 -4.5% 12.86 USD 353,380
2019-03-14 2019-03-13 S Sale

Kennedy Michael N.

See Remarks

Officer
182,521 -23.0%
12.39
USD 2,261,435
182,521 -23.0% 12.39 USD 2,261,435
2018-09-04 2018-09-04 PS Planned sale

Yoo K. Phil

See Remarks

Officer
5,000 -5.4%
16.76
USD 83,800
5,000 -5.4% 16.76 USD 83,800
2018-08-21 2018-08-17 PS Planned sale

Kilstrom Kevin J.

See Remarks

Officer
50,000 -5.2%
18.81
USD 940,315
50,000 -5.2% 18.81 USD 940,315
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