Stock chart
Ticker: AMPS 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
2025-04-09 2025-04-07 S Sale

Savino Anthony

COFOUNDER,CHIEF CONST. OFFICER

Officer
1,000 -0.7%
4.96
USD 147,550
1,000 -0.7% 4.96 USD 100,000
2025-04-09 2025-04-07 S Sale

Weber Dustin

CHIEF FINANCIAL OFFICER

Officer
1,000 -0.8%
4.96
USD 76,781
1,000 -0.8% 4.96 USD 100,000
2025-04-09 2025-04-07 S Sale

Felton Gregg J

CO-FOUNDER, CEO & PRESIDENT

Executive Director Large shareholder
1,000 -2.2%
4.96
USD 431,758
1,000 -2.2% 4.96 USD 100,000
2025-04-03 2025-03-31 S Sale

Weber Dustin

CHIEF FINANCIAL OFFICER

Officer
20,923 -1.0%
4.95
USD 103,569
20,923 -1.0% 4.95 USD 103,569
2025-04-03 2025-03-31 S Sale

Savino Anthony

COFOUNDER,CHIEF CONST. OFFICER

Officer
28,024 -0.7%
4.95
USD 138,719
28,024 -0.7% 4.95 USD 138,719
2025-04-03 2025-03-31 S Sale

Felton Gregg J

CO-FOUNDER, CEO & PRESIDENT

Executive Director Large shareholder
83,936 -2.1%
4.95
USD 415,483
83,936 -2.1% 4.95 USD 415,483
2025-02-24 2025-02-20 S Sale

Weber Dustin

CHIEF FINANCIAL OFFICER

Officer
9,162 -0.5%
4.91
USD 44,985
9,162 -0.5% 4.91 USD 44,985
2025-02-24 2025-02-20 S Sale

Savino Anthony

COFOUNDER,CHIEF CONST. OFFICER

Officer
8,823 -0.2%
4.91
USD 43,321
8,823 -0.2% 4.91 USD 43,321
2025-02-24 2025-02-20 S Sale

Felton Gregg J

CO-FOUNDER, CEO & PRESIDENT

Executive Director Large shareholder
71,161 -1.7%
4.91
USD 349,401
71,161 -1.7% 4.91 USD 349,401
2025-02-11 2025-02-11 S Sale

NORELL LARS

Large shareholder
1,447,611 -18.3%
4.87
USD 7,042,628
1,447,611 -18.3% 4.87 USD 7,042,628
2025-02-11 2025-02-10 S Sale

NORELL LARS

Large shareholder
1,646,936 -17.2%
4.87
USD 8,012,344
1,646,936 -17.2% 4.87 USD 8,012,344
2025-02-11 2025-02-07 S Sale

NORELL LARS

Large shareholder
7,987,518 -45.5%
4.87
USD 38,894,420
7,987,518 -45.5% 4.87 USD 38,894,420
2025-02-10 2025-02-06 S Sale

NORELL LARS

Large shareholder
12,482 -0.1%
4.90
USD 61,162
12,482 -0.1% 4.90 USD 61,162
2024-06-10 2024-06-07 B Purchase

Felton Gregg J

CO-FOUNDER, CEO & PRESIDENT

Executive Director Large shareholder
34,139 +0.3%
3.99
USD 136,215
34,139 +0.3% 3.99 USD 136,215
2024-06-05 2024-06-04 B Purchase

Felton Gregg J

CO-FOUNDER, CEO & PRESIDENT

Executive Director Large shareholder
25,000 +0.2%
3.99
USD 99,750
25,000 +0.2% 3.99 USD 99,750
2024-06-05 2024-06-03 B Purchase

Felton Gregg J

CO-FOUNDER, CEO & PRESIDENT

Executive Director Large shareholder
8,285 +0.1%
4.03
USD 33,389
8,285 +0.1% 4.03 USD 33,389
2024-06-03 2024-05-31 B Purchase

Felton Gregg J

CO-FOUNDER, CEO & PRESIDENT

Executive Director Large shareholder
82,576 +0.7%
3.90
USD 322,046
82,576 +0.7% 3.90 USD 322,046
2024-04-01 2024-03-28 B Purchase

Felton Gregg J

CO-FOUNDER CO-CEO CO-PRESIDENT

Executive Director Large shareholder
12,500 +0.1%
4.78
USD 59,750
12,500 +0.1% 4.78 USD 59,750
2024-03-05 2024-03-01 PS Planned sale

NORELL LARS

CO-FOUNDER CO-CEO CO-PRESIDENT

Executive Director Large shareholder
40,000 -0.2%
6.86
USD 274,520
40,000 -0.2% 6.86 USD 274,520
2024-02-26 2024-02-16 S Sale

Savino Anthony

COFOUNDER,CHIEF CONST. OFFICER

Officer
4,598 -0.1%
7.15
USD 32,876
4,598 -0.1% 7.15 USD 32,876
2024-02-26 2024-02-16 S Sale

Weber Dustin

CHIEF FINANCIAL OFFICER

Officer
4,350 -0.2%
7.15
USD 31,103
4,350 -0.2% 7.15 USD 31,103
2024-02-16 2024-02-15 PS Planned sale

Savino Anthony

COFOUNDER,CHIEF CONST. OFFICER

Officer
7,575 -0.2%
7.14
USD 54,061
7,575 -0.2% 7.14 USD 54,061
2024-02-16 2024-02-15 PS Planned sale

Savino Anthony

COFOUNDER,CHIEF CONST. OFFICER

Officer
7,700 -0.2%
7.14
USD 54,953
7,700 -0.2% 7.14 USD 54,953
2024-02-16 2024-02-14 PS Planned sale

Savino Anthony

COFOUNDER,CHIEF CONST. OFFICER

Officer
17,300 -0.4%
7.02
USD 121,496
17,300 -0.4% 7.02 USD 121,496
2024-02-16 2024-02-14 PS Planned sale

Savino Anthony

COFOUNDER,CHIEF CONST. OFFICER

Officer
17,425 -0.4%
7.02
USD 122,367
17,425 -0.4% 7.02 USD 122,367
2024-02-02 2024-02-01 PS Planned sale

NORELL LARS

CO-FOUNDER CO-CEO CO-PRESIDENT

Executive Director Large shareholder
40,000 -0.2%
5.58
USD 223,360
40,000 -0.2% 5.58 USD 223,360
2024-01-04 2024-01-02 PS Planned sale

NORELL LARS

CO-FOUNDER CO-CEO CO-PRESIDENT

Executive Director Large shareholder
40,000 -0.2%
6.81
USD 272,320
40,000 -0.2% 6.81 USD 272,320
2023-12-29 2023-12-28 PS Planned sale

Weber Dustin

CHIEF FINANCIAL OFFICER

Officer
21,000 -1.1%
7.03
USD 147,655
21,000 -1.1% 7.03 USD 147,655
2023-12-15 2023-12-14 PS Planned sale

Weber Dustin

CHIEF FINANCIAL OFFICER

Officer
50,000 -2.6%
6.38
USD 318,955
50,000 -2.6% 6.38 USD 318,955
2023-12-04 2023-12-01 PS Planned sale

NORELL LARS

CO-FOUNDER CO-CEO CO-PRESIDENT

Executive Director Large shareholder
40,000 -0.2%
5.15
USD 206,000
40,000 -0.2% 5.15 USD 206,000
2023-08-29 2023-08-25 S Sale

Savino Anthony

COFOUNDER,CHIEF CONST. OFFICER

Officer
25,000 -0.6%
6.12
USD 152,968
25,000 -0.6% 6.12 USD 152,968
2023-08-29 2023-08-24 S Sale

Savino Anthony

COFOUNDER,CHIEF CONST. OFFICER

Officer
25,000 -0.6%
6.02
USD 150,518
25,000 -0.6% 6.02 USD 150,518
2023-08-29 2023-08-23 S Sale

Savino Anthony

COFOUNDER,CHIEF CONST. OFFICER

Officer
25,000 -0.6%
6.22
USD 155,593
25,000 -0.6% 6.22 USD 155,593
2023-06-16 2023-06-14 B Purchase

GSO Altus Holdings LP

Large shareholder
45,000 +0.2%
5.47
USD 246,177
45,000 +0.2% 5.47 USD 246,177
2023-06-16 2023-06-14 PS Planned sale

Weber Dustin

CHIEF FINANCIAL OFFICER

Officer
225,000 -10.3%
5.46
USD 1,228,410
225,000 -10.3% 5.46 USD 1,228,410
2023-06-14 2023-06-14 S Sale

Savino Anthony

COFOUNDER,CHIEF CONST. OFFICER

Officer
25,000 -0.6%
5.36
USD 134,075
25,000 -0.6% 5.36 USD 134,075
2023-06-14 2023-06-13 S Sale

Savino Anthony

COFOUNDER,CHIEF CONST. OFFICER

Officer
25,000 -0.6%
5.62
USD 140,445
25,000 -0.6% 5.62 USD 140,445
2023-06-14 2023-06-12 S Sale

Savino Anthony

COFOUNDER,CHIEF CONST. OFFICER

Officer
25,000 -0.6%
5.40
USD 135,000
25,000 -0.6% 5.40 USD 135,000
2023-06-13 2023-06-12 B Purchase

CONCANNON WILLIAM F

Non-Executive Director
41,600 +33.7%
5.41
USD 225,152
41,600 +33.7% 5.41 USD 225,152
2023-06-13 2023-06-09 B Purchase

CONCANNON WILLIAM F

Non-Executive Director
18,400 +17.5%
5.66
USD 104,216
18,400 +17.5% 5.66 USD 104,216
2023-06-12 2023-06-08 B Purchase

GSO Altus Holdings LP

Large shareholder
57,000 +0.3%
5.25
USD 299,301
57,000 +0.3% 5.25 USD 299,301
2023-06-08 2023-06-07 B Purchase

GSO Altus Holdings LP

Large shareholder
224,000 +1.1%
5.53
USD 1,237,869
224,000 +1.1% 5.53 USD 1,237,869
2023-06-08 2023-06-06 B Purchase

GSO Altus Holdings LP

Large shareholder
15,000 +0.1%
5.17
USD 77,549
15,000 +0.1% 5.17 USD 77,549
2023-05-31 2023-05-31 B Purchase

Felton Gregg J

CO-FOUNDER CO-CEO CO-PRESIDENT

Executive Director
22,500 +0.2%
4.49
USD 101,131
22,500 +0.2% 4.49 USD 101,131
2023-05-22 2023-05-22 B Purchase

Felton Gregg J

CO-FOUNDER CO-CEO CO-PRESIDENT

Executive Director Large shareholder
25,000 +0.2%
4.41
USD 110,303
25,000 +0.2% 4.41 USD 110,303
2023-05-22 2023-05-19 B Purchase

Felton Gregg J

CO-FOUNDER CO-CEO CO-PRESIDENT

Executive Director Large shareholder
50,000 +0.4%
4.43
USD 221,735
50,000 +0.4% 4.43 USD 221,735
2023-02-17 2023-02-16 S Sale

Weber Dustin

CHIEF FINANCIAL OFFICER

Officer
4,470 -0.2%
7.40
USD 33,078
4,470 -0.2% 7.40 USD 33,078
2023-02-17 2023-02-16 S Sale

Savino Anthony

COFOUNDER,CHIEF CONST. OFFICER

Officer
4,725 -0.1%
7.40
USD 34,965
4,725 -0.1% 7.40 USD 34,965
2022-10-12 2022-10-03 S Sale

GSO Altus Holdings LP

Large shareholder
1,050,000 -4.8%
11.01
USD 11,560,500
1,050,000 -4.8% 11.01 USD 11,560,500
2022-10-03 2022-10-03 S Sale

GSO Altus Holdings LP

Large shareholder
7,000,000 -24.3%
11.01
USD 77,070,000
7,000,000 -24.3% 11.01 USD 77,070,000
2020-12-17 2020-12-15 B Purchase

SULENTIC ROBERT E

Non-Executive Director
10,000
0.00
USD 0
10,000 0.00 USD 0
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