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Insiders · Profile

PRINS RICHARD K

Director at Amphastar Pharmaceuticals · Director at IGC Pharma. Filing since 19 Apr 2013. CIK 0001047579

AMPH Amphastar Pharmaceuticals, Inc. Director · 46 trades IGC IGC Pharma, Inc. Director · 6 trades
Company
Date
Role
Action
Shares
Amount
Of holding
AMPH Amphastar Pharmaceuticals, Inc.
11 Aug 2026
Director
Sold at will
7,973
$161.85K
21.2%
AMPH Amphastar Pharmaceuticals, Inc.
25 Nov 2025
Director
Sold at will
4,179
$113.25K
10.6%
AMPH Amphastar Pharmaceuticals, Inc.
9 Dec 2024
Director
Sold at will
10,000
$437.70K
24.7%
AMPH Amphastar Pharmaceuticals, Inc.
12 Nov 2024
Director
Sold at will
5,000
$243.99K
13.7%
AMPH Amphastar Pharmaceuticals, Inc.
12 Aug 2024
Director
Sold at will
17,101
$736.55K
33.5%
AMPH Amphastar Pharmaceuticals, Inc.
17 Nov 2023
Director
Sold at will
4,000
$223.45K
11.1%
AMPH Amphastar Pharmaceuticals, Inc.
13 Nov 2023
Director
Sold at will
5,000
$262.50K
12.2%
AMPH Amphastar Pharmaceuticals, Inc.
18 Aug 2023
Director
Sold at will
2,000
$105.01K
4.7%
AMPH Amphastar Pharmaceuticals, Inc.
15 Aug 2023
Director
Sold at will
4,163
$238.91K
8.8%
AMPH Amphastar Pharmaceuticals, Inc.
15 May 2023
Director
Sold at will
5,000
$217.50K
10.1%
AMPH Amphastar Pharmaceuticals, Inc.
12 May 2023
Director
Sold at will
5,000
$210.32K
9.6%
AMPH Amphastar Pharmaceuticals, Inc.
15 Mar 2022
Director
Sold, plan not stated
10,000
$340.21K
18.1%
AMPH Amphastar Pharmaceuticals, Inc.
10 Dec 2021
Director
Sold, plan not stated
5,291
$113.01K
10.5%
AMPH Amphastar Pharmaceuticals, Inc.
22 Nov 2021
Director
Sold, plan not stated
5,000
$106.10K
10.0%
AMPH Amphastar Pharmaceuticals, Inc.
7 Jun 2021
Director
Sold, plan not stated
5,000
$93.50K
11.3%
AMPH Amphastar Pharmaceuticals, Inc.
4 Jun 2021
Director
Sold, plan not stated
5,000
$93.85K
11.3%
AMPH Amphastar Pharmaceuticals, Inc.
11 May 2021
Director
Sold, plan not stated
15,827
$299.11K
28.8%
IGC IGC Pharma, Inc.
9 Mar 2021
Director
Sold, plan not stated
50,000
$87.50K
7.5%
IGC IGC Pharma, Inc.
3 Mar 2021
Director
Sold, plan not stated
50,000
$90.01K
6.9%
IGC IGC Pharma, Inc.
1 Dec 2020
Director
Sold, plan not stated
50,000
$102.00K
6.3%
AMPH Amphastar Pharmaceuticals, Inc.
11 Aug 2020
Director
Sold, plan not stated
6,000
$121.98K
13.3%
AMPH Amphastar Pharmaceuticals, Inc.
12 May 2020
Director
Sold, plan not stated
30,282
$575.42K
43.5%
AMPH Amphastar Pharmaceuticals, Inc.
26 Aug 2019
Director
Sold, plan not stated
3,618
$81.77K
8.4%
AMPH Amphastar Pharmaceuticals, Inc.
23 Aug 2019
Director
Sold, plan not stated
3,882
$87.65K
9.0%
AMPH Amphastar Pharmaceuticals, Inc.
13 Aug 2019
Director
Sold, plan not stated
10,000
$207.78K
20.3%
AMPH Amphastar Pharmaceuticals, Inc.
14 Dec 2018
Director
Sold, plan not stated
1,616
$33.37K
4.6%
AMPH Amphastar Pharmaceuticals, Inc.
29 Nov 2018
Director
Sold, plan not stated
5,000
$102.50K
12.4%
AMPH Amphastar Pharmaceuticals, Inc.
14 Nov 2018
Director
Sold, plan not stated
5,000
$101.17K
12.4%
IGC IGC Pharma, Inc.
27 Aug 2018
Director
Sold, plan not stated
50,000
$54.00K
22.7%
AMPH Amphastar Pharmaceuticals, Inc.
14 Aug 2018
Director
Sold, plan not stated
10,000
$178.18K
22.0%
AMPH Amphastar Pharmaceuticals, Inc.
15 Mar 2018
Director
Sold, plan not stated
16,598
$330.32K
36.5%
IGC IGC Pharma, Inc.
4 Dec 2017
Director
Sold, plan not stated
25,000
$13.77K
5.7%
AMPH Amphastar Pharmaceuticals, Inc.
15 Aug 2017
Director
Sold, plan not stated
5,000
$74.09K
14.8%
AMPH Amphastar Pharmaceuticals, Inc.
14 Aug 2017
Director
Sold, plan not stated
5,000
$74.00K
14.8%
AMPH Amphastar Pharmaceuticals, Inc.
9 Jun 2017
Director
Sold, plan not stated
10,000
$170.71K
25.7%
AMPH Amphastar Pharmaceuticals, Inc.
11 May 2017
Director
Sold, plan not stated
7,500
$115.73K
24.6%
AMPH Amphastar Pharmaceuticals, Inc.
11 Nov 2016
Director
Sold, plan not stated
8,000
$160.50K
25.8%
AMPH Amphastar Pharmaceuticals, Inc.
18 Aug 2016
Director
Sold, plan not stated
3,086
$60.54K
10.6%
AMPH Amphastar Pharmaceuticals, Inc.
11 Aug 2016
Director
Sold, plan not stated
13,993
$252.27K
32.5%
AMPH Amphastar Pharmaceuticals, Inc.
13 Jun 2016
Director
Sold, plan not stated
7,500
$119.54K
20.5%
AMPH Amphastar Pharmaceuticals, Inc.
17 May 2016
Director
Sold, plan not stated
3,200
$43.39K
12.2%
AMPH Amphastar Pharmaceuticals, Inc.
17 Mar 2016
Director
Sold, plan not stated
2,400
$27.00K
8.4%
AMPH Amphastar Pharmaceuticals, Inc.
17 Nov 2015
Director
Sold, plan not stated
3,772
$52.61K
11.5%
AMPH Amphastar Pharmaceuticals, Inc.
18 Aug 2015
Director
Sold, plan not stated
9,100
$133.40K
20.3%
AMPH Amphastar Pharmaceuticals, Inc.
17 Aug 2015
Director
Sold, plan not stated
5,400
$79.38K
11.2%
AMPH Amphastar Pharmaceuticals, Inc.
22 May 2015
Director
Sold, plan not stated
1,942
$28.65K
5.1%
AMPH Amphastar Pharmaceuticals, Inc.
21 May 2015
Director
Sold, plan not stated
13,565
$200.18K
27.3%
AMPH Amphastar Pharmaceuticals, Inc.
20 May 2015
Director
Sold, plan not stated
13,945
$206.25K
27.9%
AMPH Amphastar Pharmaceuticals, Inc.
19 May 2015
Director
Sold, plan not stated
3,000
$44.82K
7.7%
AMPH Amphastar Pharmaceuticals, Inc.
18 Aug 2014
Director
Bought
2,600
$26.08K
7.8%
AMPH Amphastar Pharmaceuticals, Inc.
15 Aug 2014
Director
Bought
1,400
$14.00K
4.4%
IGC IGC Pharma, Inc.
19 Apr 2013
Director
Bought
105,000
$0.00
opened
52 decisions on file.