Official SEC submissions

Amphastar Pharmaceuticals SEC Filings

Direct answer

Amphastar Pharmaceuticals's latest SEC filing is 4.

It was filed on November 6, 2026, and 40 recent filings are available.

Each row links directly to the SEC document and filing index.

Official SEC EDGAR submissions

Get free Amphastar Pharmaceuticals email updates.

Bullstory sends one daily email when new analysis or important company news is available.

Recent SEC filings

Insider transaction

Filed: 2026-11-06

Report date: 2026-11-04

Open SEC document View filing index

10-Q

Periodic report

Filed: 2026-11-05

Report date: 2026-09-30

10-Q

Open SEC document View filing index

8-K

Current report

Filed: 2026-11-05

Report date: 2026-11-05

8-K

Open SEC document View filing index

144

Planned securities sale

Filed: 2026-11-05

Open SEC document View filing index

144

Planned securities sale

Filed: 2026-11-04

Open SEC document View filing index

Insider transaction

Filed: 2026-09-23

Report date: 2026-09-21

Open SEC document View filing index

144

Planned securities sale

Filed: 2026-09-21

Open SEC document View filing index

Insider transaction

Filed: 2026-09-17

Report date: 2026-09-16

Open SEC document View filing index

Insider transaction

Filed: 2026-09-03

Report date: 2026-09-02

Open SEC document View filing index

144

Planned securities sale

Filed: 2026-09-01

Open SEC document View filing index

144

Planned securities sale

Filed: 2026-08-18

Open SEC document View filing index

Insider transaction

Filed: 2026-08-12

Report date: 2026-08-11

Open SEC document View filing index

Insider transaction

Filed: 2026-08-11

Report date: 2026-08-07

Open SEC document View filing index

144

Planned securities sale

Filed: 2026-08-11

Open SEC document View filing index

144

Planned securities sale

Filed: 2026-08-07

Open SEC document View filing index

10-Q

Periodic report

Filed: 2026-08-06

Report date: 2026-06-30

10-Q

Open SEC document View filing index

8-K

Current report

Filed: 2026-08-06

Report date: 2026-08-06

8-K

Open SEC document View filing index

Insider transaction

Filed: 2026-07-13

Report date: 2026-07-09

Open SEC document View filing index

8-K

Current report

Filed: 2026-07-13

Report date: 2026-07-09

8-K

Open SEC document View filing index

8-K

Current report

Filed: 2026-07-08

Report date: 2026-07-02

8-K

Open SEC document View filing index

Insider transaction

Filed: 2026-06-03

Report date: 2024-08-19

Open SEC document View filing index

Insider transaction

Filed: 2026-06-03

Report date: 2026-06-01

Open SEC document View filing index

Insider transaction

Filed: 2026-06-03

Report date: 2026-06-01

Open SEC document View filing index

Insider transaction

Filed: 2026-06-03

Report date: 2026-06-01

Open SEC document View filing index

Insider transaction

Filed: 2026-06-03

Report date: 2026-06-01

Open SEC document View filing index

Insider transaction

Filed: 2026-06-03

Report date: 2026-06-01

Open SEC document View filing index

8-K

Current report

Filed: 2026-06-03

Report date: 2026-06-01

8-K

Open SEC document View filing index

10-Q

Periodic report

Filed: 2026-05-07

Report date: 2026-03-31

10-Q

Open SEC document View filing index

8-K

Current report

Filed: 2026-05-07

Report date: 2026-05-07

8-K

Open SEC document View filing index

DEFA14A

Proxy statement

Filed: 2026-04-13

DEFA14A

Open SEC document View filing index

DEF 14A

Proxy statement

Filed: 2026-04-13

Report date: 2026-06-01

DEF 14A

Open SEC document View filing index

Insider transaction

Filed: 2026-03-17

Report date: 2026-03-15

Open SEC document View filing index

Insider transaction

Filed: 2026-03-17

Report date: 2026-03-15

Open SEC document View filing index

Insider transaction

Filed: 2026-03-17

Report date: 2026-03-15

Open SEC document View filing index

Insider transaction

Filed: 2026-03-17

Report date: 2026-03-15

Open SEC document View filing index

8-K

Current report

Filed: 2026-03-16

Report date: 2026-03-12

8-K

Open SEC document View filing index

Insider transaction

Filed: 2026-03-11

Report date: 2026-03-09

Open SEC document View filing index

Insider transaction

Filed: 2026-03-11

Report date: 2026-03-09

Open SEC document View filing index

Insider transaction

Filed: 2026-03-11

Report date: 2026-03-09

Open SEC document View filing index

Insider transaction

Filed: 2026-03-11

Report date: 2026-03-09

Open SEC document View filing index

Verified data

Recent filing categories: 5
Recent filings: 40
SEC CIK: 0001297184
Latest filing date: November 6, 2026

Explore related company data

View the Amphastar Pharmaceuticals company profile View Amphastar Pharmaceuticals annual financials