Amphastar Pharmaceuticals, Inc. (AMPH)

Number of records: 50
SEC FilingInsiderCompanyTrade DateTransactionSharesAvg. PriceTotal% HoldingsReturn
17-Sep-24 4:11 PM
View: 
Zhou Rong
Senior EVP, Production Center
Amphastar Pharmaceuticals, ... (AMPH) 13-Sep-24Option Sale 3,000$48.26$144,784.00(1%)
226.06K to 223.06K
17-Sep-24 4:11 PM
View: 
Zhou Rong
Senior EVP, Production Center
Amphastar Pharmaceuticals, ... (AMPH) 13-Sep-24Option Exercise 3,000$14.95$44,850.001%
223.06K to 226.06K
16-Sep-24 7:09 PM
View: 
Zhang Jack Y.
CEO & Chief Scientific Officer
Director
10% Owner
Amphastar Pharmaceuticals, ... (AMPH) 13-Sep-24Option Exercise 100,000$14.69$1,469,000.00< 1%
10.59M to 10.69M
06-Sep-24 7:48 PM
View: 
Petersen Floyd F.
Director
Amphastar Pharmaceuticals, ... (AMPH) 05-Sep-24Private Sale 3,000$46.47$139,417.00(4%)
78.41K to 75.41K
27-Aug-24 9:33 PM
View: 
Zhou Rong
Senior EVP, Production Center
Amphastar Pharmaceuticals, ... (AMPH) 26-Aug-24Option Exercise 4,000$14.95$59,800.002%
223.06K to 227.06K
27-Aug-24 9:33 PM
View: 
Zhou Rong
Senior EVP, Production Center
Amphastar Pharmaceuticals, ... (AMPH) 26-Aug-24Option Sale 4,000$48.35$193,400.00(2%)
227.06K to 223.06K
13-Aug-24 5:58 PM
View: 
Prins Richard K
Director
Amphastar Pharmaceuticals, ... (AMPH) 12-Aug-24Option Sale 17,101$43.07$736,550.00(33%)
51.07K to 33.97K
13-Aug-24 5:58 PM
View: 
Prins Richard K
Director
Amphastar Pharmaceuticals, ... (AMPH) 12-Aug-24Option Exercise 17,101$19.83$339,170.0050%
33.97K to 51.07K
02-Aug-24 4:32 PM
View: 
Peters William J
CFO, EVP & Treasurer
Director
Amphastar Pharmaceuticals, ... (AMPH) 31-Jul-24Planned Option Sale 10,282$44.23$454,773.00(10%)
104.39K to 94.1K
02-Aug-24 4:32 PM
View: 
Peters William J
CFO, EVP & Treasurer
Director
Amphastar Pharmaceuticals, ... (AMPH) 31-Jul-24Option Exercise 10,282$20.23$208,005.0011%
94.1K to 104.39K
28-Jun-24 4:26 PM
View: 
Peters William J
CFO, EVP & Treasurer
Director
Amphastar Pharmaceuticals, ... (AMPH) 27-Jun-24Private Sale (Planned) 3,596$40.93$147,169.00(4%)
97.7K to 94.1K
11-Jun-24 6:35 PM
View: 
Zhang Jack Y.
CEO & Chief Scientific Officer
Director
10% Owner
Amphastar Pharmaceuticals, ... (AMPH) 10-Jun-24Option Exercise 100,000$14.69$1,469,000.00< 1%
10.49M to 10.59M
11-Jun-24 6:32 PM
View: 
Petersen Floyd F.
Director
Amphastar Pharmaceuticals, ... (AMPH) 10-Jun-24Private Sale 3,000$41.40$124,200.00(4%)
81.41K to 78.41K
05-Jun-24 8:10 PM
View: 
Lee Howard
Director
Amphastar Pharmaceuticals, ... (AMPH) 05-Jun-24Payment of Exercise 579$42.04$24,341.20(< 1%)
148.36K to 147.78K
05-Jun-24 6:00 PM
View: 
Liawatidewi Yakob
EVP Corp Admin Center
Director
Amphastar Pharmaceuticals, ... (AMPH) 04-Jun-24Payment of Exercise 272$42.22$11,483.80(< 1%)
77.67K to 77.4K
05-Jun-24 6:56 PM
View: 
Deflin Gayle
Director
Amphastar Pharmaceuticals, ... (AMPH) 03-Jun-24Grant 3,076----113%
2.72K to 5.79K
05-Jun-24 7:03 PM
View: 
Gerst Diane G.
Director
Amphastar Pharmaceuticals, ... (AMPH) 03-Jun-24Grant 3,076----20%
15.56K to 18.63K
05-Jun-24 6:54 PM
View: 
Petersen Floyd F.
Director
Amphastar Pharmaceuticals, ... (AMPH) 03-Jun-24Sale (Planned) 500$42.65$21,325.90(< 1%)
81.91K to 81.41K
05-Jun-24 8:10 PM
View: 
Lee Howard
Director
Amphastar Pharmaceuticals, ... (AMPH) 03-Jun-24Grant 3,076----2%
145.28K to 148.36K
05-Jun-24 5:58 PM
View: 
Prins Richard K
Director
Amphastar Pharmaceuticals, ... (AMPH) 03-Jun-24Grant 3,076----10%
30.89K to 33.97K
05-Jun-24 5:56 PM
View: 
Zasloff Michael A
Director
Amphastar Pharmaceuticals, ... (AMPH) 03-Jun-24Grant 3,076----14%
21.33K to 24.4K
05-Jun-24 6:54 PM
View: 
Petersen Floyd F.
Director
Amphastar Pharmaceuticals, ... (AMPH) 03-Jun-24Grant 3,076----4%
78.83K to 81.91K
21-May-24 6:26 PM
View: 
Peters William J
CFO, EVP & Treasurer
Director
Amphastar Pharmaceuticals, ... (AMPH) 19-May-24Payment of Exercise 387$43.48$16,826.80(< 1%)
97.66K to 97.27K
02-May-24 4:56 PM
View: 
Petersen Floyd F.
Director
Amphastar Pharmaceuticals, ... (AMPH) 01-May-24Private Sale (Planned) 500$41.67$20,837.00(< 1%)
79.33K to 78.83K
02-Apr-24 9:31 PM
View: 
Petersen Floyd F.
Director
Amphastar Pharmaceuticals, ... (AMPH) 01-Apr-24Private Sale (Planned) 500$43.43$21,714.20(< 1%)
79.83K to 79.33K
19-Mar-24 6:55 PM
View: 
Zhang Jack Y.
CEO & Chief Scientific Officer
Director
10% Owner
Amphastar Pharmaceuticals, ... (AMPH) 17-Mar-24Payment of Exercise 15,768$43.05$678,812.00(< 1%)
10.51M to 10.5M
19-Mar-24 5:10 PM
View: 
Peters William J
CFO, EVP & Treasurer
Director
Amphastar Pharmaceuticals, ... (AMPH) 17-Mar-24Payment of Exercise 4,255$43.05$183,178.00(4%)
101.91K to 97.66K
19-Mar-24 6:55 PM
View: 
Zhang Jack Y.
CEO & Chief Scientific Officer
Director
10% Owner
Amphastar Pharmaceuticals, ... (AMPH) 17-Mar-24Payment of Exercise 7,052$43.05$303,589.00(< 1%)
10.5M to 10.49M
19-Mar-24 5:17 PM
View: 
Liawatidewi Yakob
EVP Corp Admin Center
Director
Amphastar Pharmaceuticals, ... (AMPH) 17-Mar-24Payment of Exercise 1,726$43.05$74,304.30(2%)
78.96K to 77.24K
19-Mar-24 5:15 PM
View: 
Zhou Rong
Senior EVP, Production Center
Amphastar Pharmaceuticals, ... (AMPH) 17-Mar-24Payment of Exercise 1,961$43.05$84,421.00(< 1%)
344.62K to 342.66K
19-Mar-24 5:17 PM
View: 
Liawatidewi Yakob
EVP Corp Admin Center
Director
Amphastar Pharmaceuticals, ... (AMPH) 16-Mar-24Payment of Exercise 1,671$43.05$71,936.50(2%)
80.63K to 78.96K
19-Mar-24 5:15 PM
View: 
Zhou Rong
Senior EVP, Production Center
Amphastar Pharmaceuticals, ... (AMPH) 16-Mar-24Payment of Exercise 2,355$43.05$101,383.00(< 1%)
346.98K to 344.62K
19-Mar-24 5:10 PM
View: 
Peters William J
CFO, EVP & Treasurer
Director
Amphastar Pharmaceuticals, ... (AMPH) 16-Mar-24Payment of Exercise 5,105$43.05$219,770.00(5%)
107.02K to 101.91K
19-Mar-24 6:55 PM
View: 
Zhang Jack Y.
CEO & Chief Scientific Officer
Director
10% Owner
Amphastar Pharmaceuticals, ... (AMPH) 15-Mar-24Option Exercise 310,930$12.46$3,874,190.003%
10.81M to 11.13M
19-Mar-24 6:55 PM
View: 
Zhang Jack Y.
CEO & Chief Scientific Officer
Director
10% Owner
Amphastar Pharmaceuticals, ... (AMPH) 15-Mar-24Payment of Exercise 408,721$43.05$17,595,400.00(4%)
11.13M to 10.72M
19-Mar-24 5:10 PM
View: 
Peters William J
CFO, EVP & Treasurer
Director
Amphastar Pharmaceuticals, ... (AMPH) 15-Mar-24Payment of Exercise 2,285$43.05$98,369.20(2%)
109.3K to 107.02K
19-Mar-24 6:55 PM
View: 
Zhang Jack Y.
CEO & Chief Scientific Officer
Director
10% Owner
Amphastar Pharmaceuticals, ... (AMPH) 15-Mar-24Payment of Exercise 202,658$43.05$8,724,430.00(2%)
10.72M to 10.51M
19-Mar-24 5:17 PM
View: 
Liawatidewi Yakob
EVP Corp Admin Center
Director
Amphastar Pharmaceuticals, ... (AMPH) 15-Mar-24Payment of Exercise 1,027$43.05$44,212.30(1%)
81.66K to 80.63K
19-Mar-24 6:55 PM
View: 
Zhang Jack Y.
CEO & Chief Scientific Officer
Director
10% Owner
Amphastar Pharmaceuticals, ... (AMPH) 15-Mar-24Option Exercise 722,046$12.46$8,996,690.007%
10.09M to 10.81M
19-Mar-24 5:15 PM
View: 
Zhou Rong
Senior EVP, Production Center
Amphastar Pharmaceuticals, ... (AMPH) 15-Mar-24Payment of Exercise 1,219$43.05$52,477.90(< 1%)
348.2K to 346.98K
08-Mar-24 4:32 PM
View: 
Zhang Jack Y.
CEO & Chief Scientific Officer
Director
10% Owner
Amphastar Pharmaceuticals, ... (AMPH) 06-Mar-24Payment of Exercise 2,990$46.31$138,467.00(< 1%)
10.1M to 10.09M
08-Mar-24 4:52 PM
View: 
Peters William J
CFO, EVP & Treasurer
Director
Amphastar Pharmaceuticals, ... (AMPH) 06-Mar-24Payment of Exercise 2,190$46.31$101,419.00(2%)
129.63K to 127.44K
08-Mar-24 4:49 PM
View: 
Liawatidewi Yakob
EVP Corp Admin Center
Director
Amphastar Pharmaceuticals, ... (AMPH) 06-Mar-24Payment of Exercise 1,221$46.31$56,544.50(1%)
82.88K to 81.66K
08-Mar-24 4:47 PM
View: 
Zhou Rong
Senior EVP, Production Center
Amphastar Pharmaceuticals, ... (AMPH) 06-Mar-24Payment of Exercise 1,390$46.31$64,370.90(< 1%)
229.61K to 228.22K
08-Mar-24 4:52 PM
View: 
Peters William J
CFO, EVP & Treasurer
Director
Amphastar Pharmaceuticals, ... (AMPH) 06-Mar-24Planned Option Sale 8,826$46.48$410,194.00(7%)
127.44K to 118.61K
08-Mar-24 4:32 PM
View: 
Zhang Jack Y.
CEO & Chief Scientific Officer
Director
10% Owner
Amphastar Pharmaceuticals, ... (AMPH) 06-Mar-24Payment of Exercise 7,031$46.31$325,606.00(< 1%)
10.1M to 10.1M
08-Mar-24 4:52 PM
View: 
Peters William J
CFO, EVP & Treasurer
Director
Amphastar Pharmaceuticals, ... (AMPH) 06-Mar-24Option Exercise 8,826$11.33$99,998.607%
120.8K to 129.63K
08-Mar-24 4:52 PM
View: 
Peters William J
CFO, EVP & Treasurer
Director
Amphastar Pharmaceuticals, ... (AMPH) 06-Mar-24Sale (Planned) 9,310$46.48$432,689.00(8%)
118.61K to 109.3K
06-Mar-24 10:00 PM
View: 
Zasloff Michael A
Director
Amphastar Pharmaceuticals, ... (AMPH) 05-Mar-24Private Sale 12,500$47.18$589,724.00(37%)
33.83K to 21.33K
06-Mar-24 10:00 PM
View: 
Zhang Jack Y.
CEO & Chief Scientific Officer
Director
10% Owner
Amphastar Pharmaceuticals, ... (AMPH) 04-Mar-24Grant 64,310----< 1%
10.01M to 10.08M