38 filings
S-8
AMPH
Amphastar Pharmaceuticals Inc
29 Feb 24
Registration of securities for employees
4:53pm
S-8
AMPH
Amphastar Pharmaceuticals Inc
1 Mar 23
Registration of securities for employees
4:26pm
S-8
AMPH
Amphastar Pharmaceuticals Inc
11 Mar 22
Registration of securities for employees
4:27pm
S-3
AMPH
Amphastar Pharmaceuticals Inc
Shelf registration
9 Nov 21
4:28pm
S-8
AMPH
Amphastar Pharmaceuticals Inc
15 Mar 21
Registration of securities for employees
4:40pm
S-8
wh29bsbzojerov7akp30
16 Mar 20
Registration of securities for employees
5:27pm
S-8
iky7vy3
15 Mar 19
Registration of securities for employees
4:15pm
S-8
82wyaeruatfejk6h7c1
14 Mar 18
Registration of securities for employees
12:00am
S-8
mtivwc
15 Mar 17
Registration of securities for employees
12:00am
S-8
b9mlktro
15 Mar 16
Registration of securities for employees
12:00am
S-8
epop oibqe2ab5
2 Jul 15
Registration of securities for employees
12:00am
S-3
bxttzdq
2 Jul 15
Shelf registration
12:00am
S-8
lds jsizq1dwm
26 Mar 15
Registration of securities for employees
12:00am
S-8
g2qgc79 jblmk
26 Jun 14
Registration of securities for employees
12:00am
S-1MEF
nd1q3t4y37fy 5i0qu
25 Jun 14
Registration of additional securities for an S-1
12:00am
FWP
evtw4f
25 Jun 14
Free writing prospectus
12:00am
424B4
4m2s4h7drl
25 Jun 14
Prospectus supplement with pricing info
12:00am
8-A12B
fmmzx2uqq9k3roelpjnz
18 Jun 14
Registration of securities on exchange
12:00am