09/16/2024
6:09 PM | Amphastar Pharmaceuticals (Issuer)
Luo Mary Z. (Reporting)
Zhang Jack Y. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/06/2024
6:48 PM | Amphastar Pharmaceuticals (Issuer)
Petersen Floyd F. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/05/2024
3:48 PM | Amphastar Pharmaceuticals (Subject)
Petersen Floyd F. (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
08/30/2024
3:14 PM | Amphastar Pharmaceuticals (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/27/2024
8:33 PM | Amphastar Pharmaceuticals (Issuer)
Zhou Rong (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
08/26/2024
4:26 PM | Amphastar Pharmaceuticals (Subject)
Zhou Rong (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
08/13/2024
4:58 PM | Amphastar Pharmaceuticals (Issuer)
PRINS RICHARD K (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
|
08/12/2024
4:25 PM | Amphastar Pharmaceuticals (Subject)
PRINS RICHARD K (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
08/09/2024
3:15 PM | Amphastar Pharmaceuticals (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
08/07/2024
3:22 PM | Amphastar Pharmaceuticals (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/02/2024
3:32 PM | Amphastar Pharmaceuticals (Issuer)
PETERS WILLIAM J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
07/31/2024
4:24 PM | Amphastar Pharmaceuticals (Subject)
PETERS WILLIAM J (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
06/28/2024
3:26 PM | Amphastar Pharmaceuticals (Issuer)
PETERS WILLIAM J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/27/2024
3:25 PM | Amphastar Pharmaceuticals (Subject)
PETERS WILLIAM J (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
06/11/2024
5:35 PM | Amphastar Pharmaceuticals (Issuer)
Luo Mary Z. (Reporting)
Zhang Jack Y. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/11/2024
5:32 PM | Amphastar Pharmaceuticals (Issuer)
Petersen Floyd F. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/10/2024
3:51 PM | Amphastar Pharmaceuticals (Subject)
Petersen Floyd F. (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
06/05/2024
7:10 PM | Amphastar Pharmaceuticals (Issuer)
Lee Howard (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/05/2024
5:54 PM | Amphastar Pharmaceuticals (Issuer)
Petersen Floyd F. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/05/2024
5:56 PM | Amphastar Pharmaceuticals (Issuer)
Deflin Gayle (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/05/2024
6:03 PM | Amphastar Pharmaceuticals (Issuer)
Gerst Diane G. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/05/2024
4:56 PM | Amphastar Pharmaceuticals (Issuer)
ZASLOFF MICHAEL A (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/05/2024
4:58 PM | Amphastar Pharmaceuticals (Issuer)
PRINS RICHARD K (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/05/2024
5:00 PM | Amphastar Pharmaceuticals (Issuer)
Liawatidewi Yakob (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/04/2024
3:14 PM | Amphastar Pharmaceuticals (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/21/2024
5:26 PM | Amphastar Pharmaceuticals (Issuer)
PETERS WILLIAM J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/02/2024
3:56 PM | Amphastar Pharmaceuticals (Issuer)
Petersen Floyd F. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
04/19/2024
3:21 PM | Amphastar Pharmaceuticals (Filer)
| Form DEFA14A | |
04/12/2024
3:08 PM | Amphastar Pharmaceuticals (Filer)
| Form DEF 14A | |
04/12/2024
3:08 PM | Amphastar Pharmaceuticals (Filer)
| Form DEF 14A | |
04/12/2024
3:14 PM | Amphastar Pharmaceuticals (Filer)
| Form DEFA14A | |
04/12/2024
3:14 PM | Amphastar Pharmaceuticals (Filer)
| Form DEFA14A | |
04/02/2024
8:31 PM | Amphastar Pharmaceuticals (Issuer)
Petersen Floyd F. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/19/2024
5:55 PM | Amphastar Pharmaceuticals (Issuer)
Luo Mary Z. (Reporting)
Zhang Jack Y. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/08/2024
3:47 PM | Amphastar Pharmaceuticals (Issuer)
Zhou Rong (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/08/2024
3:49 PM | Amphastar Pharmaceuticals (Issuer)
Liawatidewi Yakob (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/08/2024
3:52 PM | Amphastar Pharmaceuticals (Issuer)
PETERS WILLIAM J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/08/2024
3:32 PM | Amphastar Pharmaceuticals (Issuer)
Luo Mary Z. (Reporting)
Zhang Jack Y. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/06/2024
4:54 PM | Amphastar Pharmaceuticals (Issuer)
Liawatidewi Yakob (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/06/2024
4:57 PM | Amphastar Pharmaceuticals (Issuer)
ZASLOFF MICHAEL A (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/06/2024
5:29 PM | Amphastar Pharmaceuticals (Issuer)
Luo Mary Z. (Reporting)
Zhang Jack Y. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
WARNING: “Buffett Indicator” flashing for first time in 50 years (Ad) The stock market collapsed and didn't recover for an entire decade.
And what we're facing today could be even worse.
That's why the actions you take in the next 90 days could be crucial for your financial future. Take these 4 steps today to protect your retirement NOW |
03/06/2024
4:49 PM | Amphastar Pharmaceuticals (Issuer)
PETERS WILLIAM J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/06/2024
4:51 PM | Amphastar Pharmaceuticals (Issuer)
Zhou Rong (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/06/2024
9:23 AM | Amphastar Pharmaceuticals (Subject)
FEDERATED HERMES, INC. (Filed by)
FEDERATED HERMES, INC. (Filed by)
| Form SC 13G/A | |
03/05/2024
12:21 PM | Amphastar Pharmaceuticals (Subject)
ZASLOFF MICHAEL A (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
03/04/2024
7:35 PM | Amphastar Pharmaceuticals (Issuer)
Petersen Floyd F. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/29/2024
3:53 PM | Amphastar Pharmaceuticals (Filer)
| Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans | |
02/28/2024
3:38 PM | Amphastar Pharmaceuticals (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
02/09/2024
4:21 PM | Amphastar Pharmaceuticals (Subject)
Zhang Jack Y. (Filed by)
| Form SC 13G/A | |
02/02/2024
6:37 PM | Amphastar Pharmaceuticals (Issuer)
Petersen Floyd F. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/23/2024
10:53 AM | Amphastar Pharmaceuticals (Subject)
BlackRock Inc. (Filed by)
| Form SC 13G/A | |
01/17/2024
1:36 PM | Amphastar Pharmaceuticals (Subject)
FEDERATED HERMES, INC. (Filed by)
FEDERATED HERMES, INC. (Filed by)
| Form SC 13G/A | |
01/11/2024
3:37 PM | Amphastar Pharmaceuticals (Issuer)
Luo Mary Z. (Reporting)
Zhang Jack Y. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/10/2024
5:27 PM | Amphastar Pharmaceuticals (Issuer)
Luo Mary Z. (Reporting)
Zhang Jack Y. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/10/2024
3:25 PM | Amphastar Pharmaceuticals (Subject)
Luo Mary Z. (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
01/09/2024
3:22 PM | Amphastar Pharmaceuticals (Subject)
Luo Mary Z. (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
01/08/2024
3:23 PM | Amphastar Pharmaceuticals (Subject)
Luo Mary Z. (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
01/03/2024
6:25 PM | Amphastar Pharmaceuticals (Issuer)
Petersen Floyd F. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/05/2023
5:25 PM | Amphastar Pharmaceuticals (Issuer)
Zhou Rong (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/04/2023
7:49 PM | Amphastar Pharmaceuticals (Issuer)
Petersen Floyd F. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/01/2023
3:11 PM | Amphastar Pharmaceuticals (Subject)
Petersen Floyd F. (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
11/20/2023
4:23 PM | Amphastar Pharmaceuticals (Issuer)
PRINS RICHARD K (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/17/2023
11:34 AM | Amphastar Pharmaceuticals (Subject)
Zhou Rong (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
11/15/2023
3:30 PM | Amphastar Pharmaceuticals (Issuer)
Deflin Gayle (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/15/2023
3:31 PM | Amphastar Pharmaceuticals (Issuer)
PRINS RICHARD K (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/13/2023
11:38 AM | Amphastar Pharmaceuticals (Subject)
PRINS RICHARD K (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
11/13/2023
11:38 AM | Amphastar Pharmaceuticals (Subject)
Deflin Gayle (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
11/02/2023
7:37 PM | Amphastar Pharmaceuticals (Issuer)
Petersen Floyd F. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
