Stock chart
Ticker: AMRS Exchange: NSM


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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
2023-06-02 2023-06-02 S Sale

Kieftenbeld Hermanus

CHIEF FINANCIAL OFFICER

Officer
3,500 -1.6%
0.95
USD 3,325
3,500 -1.6% 0.95 USD 3,325
2023-06-02 2023-06-02 S Sale

Kieftenbeld Hermanus

CHIEF FINANCIAL OFFICER

Officer
17,499 -7.3%
0.95
USD 16,624
17,499 -7.3% 0.95 USD 16,624
2023-04-06 2023-04-05 S Sale

ALVAREZ EDUARDO

CHIEF OPERATING OFFICER

Officer
231,368 -27.4%
1.23
USD 284,305
231,368 -27.4% 1.23 USD 284,305
2022-09-22 2022-09-21 PS Planned sale

Kung Frank

Non-Executive Director
36,488 -100.0%
3.50
USD 127,708
36,488 -100.0% 3.50 USD 127,708
2022-09-22 2022-09-21 PS Planned sale

Kung Frank

Non-Executive Director
163,512 -100.0%
3.50
USD 572,292
163,512 -100.0% 3.50 USD 572,292
2022-09-22 2022-09-20 PS Planned sale

Kung Frank

Non-Executive Director
72,972 -66.7%
3.60
USD 262,699
72,972 -66.7% 3.60 USD 262,699
2022-09-22 2022-09-20 PS Planned sale

Kung Frank

Non-Executive Director
327,028 -66.7%
3.60
USD 1,177,301
327,028 -66.7% 3.60 USD 1,177,301
2022-09-19 2022-09-19 PS Planned sale

Kung Frank

Non-Executive Director
197,148 -64.3%
3.80
USD 749,162
197,148 -64.3% 3.80 USD 749,162
2022-09-19 2022-09-19 PS Planned sale

Kung Frank

Non-Executive Director
883,528 -64.3%
3.80
USD 3,357,406
883,528 -64.3% 3.80 USD 3,357,406
2022-09-19 2022-09-16 PS Planned sale

Kung Frank

Non-Executive Director
151,983 -33.1%
3.60
USD 547,139
151,983 -33.1% 3.60 USD 547,139
2022-09-19 2022-09-16 PS Planned sale

Kung Frank

Non-Executive Director
681,117 -33.1%
3.60
USD 2,452,021
681,117 -33.1% 3.60 USD 2,452,021
2022-09-19 2022-09-15 PS Planned sale

Kung Frank

Non-Executive Director
252,667 -35.5%
4.20
USD 1,061,201
252,667 -35.5% 4.20 USD 1,061,201
2022-09-19 2022-09-15 PS Planned sale

Kung Frank

Non-Executive Director
1,132,333 -35.5%
4.20
USD 4,755,799
1,132,333 -35.5% 4.20 USD 4,755,799
2022-09-07 2022-09-02 PS Planned sale

ALVAREZ EDUARDO

CHIEF OPERATING OFFICER

Officer
22,421 -6.0%
2.87
USD 64,348
22,421 -6.0% 2.87 USD 64,348
2022-09-07 2022-09-02 S Sale

KELSEY NICOLE

CHIEF LEGAL OFFICER- SECRETARY

Officer
5,019 -7.9%
2.87
USD 14,405
5,019 -7.9% 2.87 USD 14,405
2022-09-07 2022-09-02 S Sale

Kieftenbeld Hermanus

CHIEF FINANCIAL OFFICER

Officer
25,888 -9.7%
2.87
USD 74,299
25,888 -9.7% 2.87 USD 74,299
2022-08-17 2022-08-15 B Purchase

Melo John

President and CEO

Executive Director
17,155 +3.5%
4.03
USD 69,135
17,155 +3.5% 4.03 USD 69,135
2022-07-08 2022-07-06 S Sale

Melo John

President and CEO

Executive Director
1,485 -0.3%
2.19
USD 3,245
1,485 -0.3% 2.19 USD 3,245
2022-07-08 2022-07-06 S Sale

Melo John

President and CEO

Executive Director
54,091 -9.9%
2.12
USD 114,673
54,091 -9.9% 2.12 USD 114,673
2022-07-01 2022-06-30 PS Planned sale

KELSEY NICOLE

CHIEF LEGAL OFFICER- SECRETARY

Officer
94,033 -59.8%
1.80
USD 169,419
94,033 -59.8% 1.80 USD 169,419
2022-06-03 2022-06-02 S Sale

Kieftenbeld Hermanus

CHIEF FINANCIAL OFFICER

Officer
17,344 -6.1%
2.34
USD 40,587
17,344 -6.1% 2.34 USD 40,587
2022-06-03 2022-06-02 S Sale

Kieftenbeld Hermanus

CHIEF FINANCIAL OFFICER

Officer
17,561 -5.8%
2.34
USD 41,094
17,561 -5.8% 2.34 USD 41,094
2022-06-03 2022-06-02 S Sale

Hughes Anthony

CHIEF ACCOUNTING OFFICER

Officer
6,305 -5.6%
2.34
USD 14,754
6,305 -5.6% 2.34 USD 14,754
2022-06-03 2022-06-02 S Sale

KELSEY NICOLE

CHIEF LEGAL OFFICER- SECRETARY

Officer
8,406 -5.1%
2.34
USD 19,671
8,406 -5.1% 2.34 USD 19,671
2021-12-08 2021-12-06 B Purchase

MCCANN JAMES F

Non-Executive Director
17,400 +140.0%
5.71
USD 99,354
17,400 +140.0% 5.71 USD 99,354
2021-09-03 2021-09-02 S Sale

Kieftenbeld Hermanus

CHIEF FINANCIAL OFFICER

Officer
24,380 -8.0%
14.86
USD 362,287
24,380 -8.0% 14.86 USD 362,287
2021-07-09 2021-07-07 S Sale

Melo John

President and CEO

Executive Director
95,115 -14.8%
15.53
USD 1,477,012
95,115 -14.8% 15.53 USD 1,477,012
2021-04-15 2021-04-13 S Sale

Kung Frank

Non-Executive Director
286,032 -28.7%
14.96
USD 4,279,754
286,032 -28.7% 14.96 USD 4,279,754
2021-04-15 2021-04-13 S Sale

Kung Frank

Non-Executive Director
1,281,858 -28.7%
14.96
USD 19,179,800
1,281,858 -28.7% 14.96 USD 19,179,800
2021-04-15 2021-04-13 S Sale

Kung Frank

Non-Executive Director
377,384 -32.3%
14.96
USD 5,646,608
377,384 -32.3% 14.96 USD 5,646,608
2021-04-15 2021-04-13 S Sale

Kung Frank

Non-Executive Director
2,733,089 -32.3%
14.96
USD 40,893,844
2,733,089 -32.3% 14.96 USD 40,893,844
2020-06-09 2020-06-05 B Purchase

Kung Frank

Non-Executive Director
551,884 +inf%
3.00
USD 1,655,652
551,884 +inf% 3.00 USD 1,655,652
2020-06-09 2020-06-05 B Purchase

Kung Frank

Non-Executive Director
80,573 +10.2%
3.00
USD 241,719
80,573 +10.2% 3.00 USD 241,719
2020-06-09 2020-06-05 B Purchase

Kung Frank

Non-Executive Director
2,473,280 +inf%
3.00
USD 7,419,840
2,473,280 +inf% 3.00 USD 7,419,840
2020-06-09 2020-06-05 B Purchase

Kung Frank

Non-Executive Director
583,488 +10.2%
3.00
USD 1,750,464
583,488 +10.2% 3.00 USD 1,750,464
2020-02-21 2020-02-19 S Sale

Melo John

President and CEO

Executive Director
52,875 -7.6%
3.41
USD 180,304
52,875 -7.6% 3.41 USD 180,304
2020-02-21 2020-02-19 B Purchase

DOERR L JOHN

Non-Executive Director
52,785 +0.1%
3.41
USD 179,997
52,785 +0.1% 3.41 USD 179,997
2020-02-04 2020-01-31 B Purchase

DOERR L JOHN

Non-Executive Director Large shareholder
5,226,481 +10.9%
2.87
USD 15,000,000
5,226,481 +10.9% 2.87 USD 15,000,000
2020-02-04 2020-01-31 B Purchase

DOERR L JOHN

Non-Executive Director Large shareholder
5,279,171 +12.4%
2.87
USD 15,151,221
5,279,171 +12.4% 2.87 USD 15,151,221
2019-12-12 2019-12-10 S Sale

Yang Patrick Y

Non-Executive Director
10,671 -19.7%
3.10
USD 33,080
10,671 -19.7% 3.10 USD 33,080
2019-05-01 2019-04-29 B Purchase

Kung Frank

Non-Executive Director
110,811 +16.4%
4.76
USD 527,460
110,811 +16.4% 4.76 USD 527,460
2019-05-01 2019-04-29 B Purchase

Kung Frank

Non-Executive Director
802,718 +16.4%
4.76
USD 3,820,938
802,718 +16.4% 4.76 USD 3,820,938
2019-04-26 2019-04-24 B Purchase

DOERR L JOHN

Large shareholder
2,832,440 +19.4%
5.12
USD 14,502,093
2,832,440 +19.4% 5.12 USD 14,502,093
2019-04-17 2019-04-15 B Purchase

DOERR L JOHN

Large shareholder
6,732,369 +85.7%
2.87
USD 19,321,899
6,732,369 +85.7% 2.87 USD 19,321,899
2018-12-14 2018-12-13 B Purchase

ALVAREZ EDUARDO

Chief Operating Officer

Officer
11,834 +3.7%
4.23
USD 50,058
11,834 +3.7% 4.23 USD 50,058
2018-11-27 2018-11-27 B Purchase

VALIASEK KATHLEEN

Chief Financial Officer

Officer
23,000 +10.1%
4.37
USD 100,574
23,000 +10.1% 4.37 USD 100,574
2018-10-17 2018-10-15 PS Planned sale

Melo John

President and CEO

Executive Director
5,195 -0.7%
7.50
USD 38,952
5,195 -0.7% 7.50 USD 38,952
2018-09-07 2018-09-05 B Purchase

ALVAREZ EDUARDO

Chief Operating Officer

Officer
11,877 +3.7%
8.45
USD 100,326
11,877 +3.7% 8.45 USD 100,326
2018-08-22 2018-08-22 B Purchase

VALIASEK KATHLEEN

Chief Financial Officer

Officer
14,000 +6.5%
7.20
USD 100,800
14,000 +6.5% 7.20 USD 100,800
2018-08-21 2018-08-20 S Sale

Kung Frank

Non-Executive Director
139,306 -22.5%
6.22
USD 866,316
139,306 -22.5% 6.22 USD 866,316
2018-08-21 2018-08-20 S Sale

Kung Frank

Non-Executive Director
1,008,816 -22.5%
6.22
USD 6,273,625
1,008,816 -22.5% 6.22 USD 6,273,625
2018-08-21 2018-08-17 S Sale

Kung Frank

Non-Executive Director
336,914 -70.7%
6.22
USD 2,095,201
336,914 -70.7% 6.22 USD 2,095,201
2018-08-21 2018-08-17 S Sale

Kung Frank

Non-Executive Director
2,439,848 -70.7%
6.22
USD 15,172,927
2,439,848 -70.7% 6.22 USD 15,172,927
2018-08-21 2018-08-17 S Sale

DOERR L JOHN

Non-Executive Director Large shareholder
4,877,386 -45.9%
6.22
USD 30,331,488
4,877,386 -45.9% 6.22 USD 30,331,488
2018-08-15 2018-08-13 B Purchase

Yang Patrick Y

Non-Executive Director
15,000 +40.6%
7.66
USD 114,900
15,000 +40.6% 7.66 USD 114,900
2018-08-13 2018-08-09 B Purchase

Yang Patrick Y

Non-Executive Director
10,000 +37.1%
7.71
USD 77,100
10,000 +37.1% 7.71 USD 77,100
2018-07-18 2018-07-16 PS Planned sale

Melo John

President and CEO

Executive Director
22,355 -2.9%
6.61
USD 147,704
22,355 -2.9% 6.61 USD 147,704
2018-05-09 2018-05-07 S Sale

Maxwell (Mauritius) Pte Ltd

Large shareholder
95,162 -2.9%
6.54
USD 622,635
95,162 -2.9% 6.54 USD 622,635
2018-01-18 2018-01-16 PS Planned sale

Melo John

President and CEO

Executive Director
10,776 -11.5%
4.68
USD 50,436
10,776 -11.5% 4.68 USD 50,436
2017-05-22 2017-05-19 B Purchase

Yang Patrick Y

Non-Executive Director
100,000 +39.5%
0.29
USD 28,940
100,000 +39.5% 0.29 USD 28,940
2017-05-22 2017-05-19 B Purchase

Yang Patrick Y

Non-Executive Director
100,000 +65.4%
0.29
USD 29,440
100,000 +65.4% 0.29 USD 29,440
2017-05-22 2017-05-18 B Purchase

Yang Patrick Y

Non-Executive Director
100,000 +188.7%
0.29
USD 29,050
100,000 +188.7% 0.29 USD 29,050
2017-04-21 2017-04-20 S Sale

Maxwell (Mauritius) Pte Ltd

Large shareholder
313,649 -0.6%
0.51
USD 160,839
313,649 -0.6% 0.51 USD 160,839
2017-04-21 2017-04-19 S Sale

Maxwell (Mauritius) Pte Ltd

Large shareholder
338,864 -0.7%
0.59
USD 198,439
338,864 -0.7% 0.59 USD 198,439
2017-04-19 2017-04-18 S Sale

Maxwell (Mauritius) Pte Ltd

Large shareholder
699,705 -1.4%
0.61
USD 425,001
699,705 -1.4% 0.61 USD 425,001
2017-04-19 2017-04-17 S Sale

Maxwell (Mauritius) Pte Ltd

Large shareholder
937,225 -1.8%
0.68
USD 640,218
937,225 -1.8% 0.68 USD 640,218
2017-04-03 2017-03-30 S Sale

Maxwell (Mauritius) Pte Ltd

Large shareholder
184,535 -0.4%
0.51
USD 94,482
184,535 -0.4% 0.51 USD 94,482
2017-03-30 2017-03-29 S Sale

Maxwell (Mauritius) Pte Ltd

Large shareholder
300,470 -0.6%
0.52
USD 155,643
300,470 -0.6% 0.52 USD 155,643
2017-03-30 2017-03-28 S Sale

Maxwell (Mauritius) Pte Ltd

Large shareholder
117,520 -0.2%
0.48
USD 56,915
117,520 -0.2% 0.48 USD 56,915
2017-03-28 2017-03-27 S Sale

Maxwell (Mauritius) Pte Ltd

Large shareholder
86,613 -0.2%
0.48
USD 41,921
86,613 -0.2% 0.48 USD 41,921
2017-03-28 2017-03-24 S Sale

Maxwell (Mauritius) Pte Ltd

Large shareholder
42,446 -0.1%
0.48
USD 20,544
42,446 -0.1% 0.48 USD 20,544
2017-03-24 2017-03-23 S Sale

Maxwell (Mauritius) Pte Ltd

Large shareholder
43,482 -0.1%
0.49
USD 21,111
43,482 -0.1% 0.49 USD 21,111
2017-03-24 2017-03-22 S Sale

Maxwell (Mauritius) Pte Ltd

Large shareholder
121,946 -0.2%
0.47
USD 57,876
121,946 -0.2% 0.47 USD 57,876
2017-03-22 2017-03-21 S Sale

Maxwell (Mauritius) Pte Ltd

Large shareholder
134,691 -0.3%
0.48
USD 64,679
134,691 -0.3% 0.48 USD 64,679
2017-03-22 2017-03-20 S Sale

Maxwell (Mauritius) Pte Ltd

Large shareholder
88,382 -0.2%
0.49
USD 43,396
88,382 -0.2% 0.49 USD 43,396
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