SEC Filings
Search SEC EDGAR filings by company ticker and form type
arrow_back
Amphastar Pharmaceuticals, Inc.
DEF 14A
12 filings
All DEF 14A Filings
Complete history of DEF 14A filings with the SEC
| Date Filed | View on EDGAR |
|---|---|
|
13
Apr
Apr 13, 2026
|
open_in_new View Filing |
|
14
Apr
Apr 14, 2025
|
open_in_new View Filing |
|
12
Apr
Apr 12, 2024
|
open_in_new View Filing |
|
14
Apr
Apr 14, 2023
|
open_in_new View Filing |
|
14
Apr
Apr 14, 2022
|
open_in_new View Filing |
|
14
Apr
Apr 14, 2021
|
open_in_new View Filing |
|
15
Apr
Apr 15, 2020
|
open_in_new View Filing |
|
18
Apr
Apr 18, 2019
|
open_in_new View Filing |
|
18
Apr
Apr 18, 2018
|
open_in_new View Filing |
|
21
Apr
Apr 21, 2017
|
open_in_new View Filing |
|
22
Apr
Apr 22, 2016
|
open_in_new View Filing |
|
08
Apr
Apr 08, 2015
|
open_in_new View Filing |