RICHARD K. PRINS

Insider Reports History

Location
Rancho Cucamonga, CA
Signature
/s/ Eva Wen, by power of attorney
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by RICHARD K. PRINS:

Stock Role Class Num Shares Value Price $ Report Date Ownership
Amphastar Pharmaceuticals, Inc. Director Common Stock 35.2K $953K $27.10 25 Nov 2025 Direct
IGC Pharma, Inc. Director Common Stock 1.27M $362K $0.29 31 Mar 2025 Direct
IGC Pharma, Inc. Director Options 750K 17 Oct 2025 Direct
IGC Pharma, Inc. Director Restricted Stock Units 140K 31 Mar 2025 Direct
Amphastar Pharmaceuticals, Inc. Director Stock Option (right to buy) 0 25 Nov 2025 Direct

Insider Reports Filed by RICHARD K. PRINS

Symbol Company Period Transactions Value $ Form Type Role Filing Time
AMPH Amphastar Pharmaceuticals, Inc. 25 Nov 2025 3 -$43.5K 4 Director 25 Nov 2025, 19:38
IGC IGC Pharma, Inc. 17 Oct 2025 1 $0 4 Director 22 Oct 2025, 08:29
AMPH Amphastar Pharmaceuticals, Inc. 02 Jun 2025 2 $0 4 Director 04 Jun 2025, 18:40
IGC IGC Pharma, Inc. 31 Mar 2025 6 $0 5 Director 15 May 2025, 16:11
AMPH Amphastar Pharmaceuticals, Inc. 09 Dec 2024 4 -$243K 4 Director 11 Dec 2024, 20:28
AMPH Amphastar Pharmaceuticals, Inc. 12 Nov 2024 4 -$202K 4 Director 13 Nov 2024, 18:55
AMPH Amphastar Pharmaceuticals, Inc. 12 Aug 2024 7 -$397K 4 Director 13 Aug 2024, 17:58
IGC IGC Pharma, Inc. 12 Aug 2024 1 $0 4 Director 12 Aug 2024, 09:26
AMPH Amphastar Pharmaceuticals, Inc. 03 Jun 2024 2 $0 4 Director 05 Jun 2024, 17:58
IGC IGC Pharma, Inc. 13 Mar 2024 11 $0 4 Director 15 Mar 2024, 21:09
AMPH Amphastar Pharmaceuticals, Inc. 17 Nov 2023 2 -$223K 4 Director 20 Nov 2023, 17:23
AMPH Amphastar Pharmaceuticals, Inc. 13 Nov 2023 1 -$263K 4 Director 15 Nov 2023, 16:31
AMPH Amphastar Pharmaceuticals, Inc. 18 Aug 2023 1 -$105K 4 Director 21 Aug 2023, 17:05
AMPH Amphastar Pharmaceuticals, Inc. 15 Aug 2023 1 -$239K 4 Director 16 Aug 2023, 21:22
AMPH Amphastar Pharmaceuticals, Inc. 05 Jun 2023 2 $0 4 Director 07 Jun 2023, 20:13
AMPH Amphastar Pharmaceuticals, Inc. 12 May 2023 7 -$261K 4 Director 16 May 2023, 19:59
IGC IGC Pharma, Inc. 31 Mar 2023 7 $0 4 Director 27 Jun 2023, 20:20
AMPH Amphastar Pharmaceuticals, Inc. 10 Jun 2022 3 $0 4 Director 14 Jun 2022, 17:30
IGC India Globalization Capital, Inc. 21 Mar 2022 6 $0 4 Director 28 Jun 2022, 20:31
AMPH Amphastar Pharmaceuticals, Inc. 15 Mar 2022 3 -$169K 4 Director 17 Mar 2022, 20:38
IGC India Globalization Capital, Inc. 20 Dec 2021 4 $0 4 Director 27 Dec 2021, 17:57
AMPH Amphastar Pharmaceuticals, Inc. 10 Dec 2021 3 -$22.5K 4 Director 13 Dec 2021, 18:36
AMPH Amphastar Pharmaceuticals, Inc. 22 Nov 2021 3 -$20.6K 4 Director 23 Nov 2021, 19:17
AMPH Amphastar Pharmaceuticals, Inc. 04 Jun 2021 8 -$23.1K 4 Director 08 Jun 2021, 20:59
IGC India Globalization Capital, Inc. 13 May 2021 1 $0 4 Director 14 May 2021, 18:26
AMPH Amphastar Pharmaceuticals, Inc. 11 May 2021 3 -$39.1K 4 Director 13 May 2021, 18:42