Amphastar Pharmaceuticals, Inc. reports

Company location: Rancho Cucamonga, CA
Fiscal year end: 31 December

Amphastar Pharmaceuticals, Inc. has filed 950 SEC EDGAR filings since 11 Feb 2005

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SEC filing history

Showing 851-875 of 941 matching filings.

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25

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35

4

FORM 4 SUBMISSION

Filing date: 19 Jun 2015
Reporting date: 17 Jun 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 17 Jun 2015
Reporting date: 27 Mar 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 17 Jun 2015
Reporting date: 14 Apr 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 17 Jun 2015
Reporting date: 15 Jun 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

3

FORM 3 SUBMISSION

Filing date: 17 Jun 2015
Reporting date: 09 Jun 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 17 Jun 2015
Reporting date: 15 Jun 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 12 Jun 2015
Reporting date: 05 Jun 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 09 Jun 2015
Reporting date: 27 Mar 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-36509

8-K

Filing date: 01 Jun 2015
Reporting date: 27 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 29 May 2015
Reporting date: 27 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 29 May 2015
Reporting date: 27 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 29 May 2015
Reporting date: 27 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 29 May 2015
Reporting date: 27 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 29 May 2015
Reporting date: 27 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 29 May 2015
Reporting date: 27 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 22 May 2015
Reporting date: 20 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 20 May 2015
Reporting date: 19 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-36509

FORM 10-Q

Filing date: 14 May 2015
Reporting date: 31 Mar 2015
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-36509

FORM 8-K FILING DOCUMENT

Filing date: 13 May 2015
Reporting date: 13 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 23 Apr 2015
Reporting date: 21 Apr 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 10 Apr 2015
Reporting date: 09 Apr 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 10 Apr 2015
Reporting date: 09 Apr 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

ARS File 001-36509

AUTO-GENERATED PAPER DOCUMENT

Filing date: 09 Apr 2015
Reporting date: 31 Dec 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

DEFA14A File 001-36509

DEFINITIVE ADDITIONAL MATERIALS

Filing date: 08 Apr 2015
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

DEF 14A File 001-36509

DEFINITIVE PROXY STATEMENT

Filing date: 08 Apr 2015
Reporting date: 27 May 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

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