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| Exchange: |
N/A |
| Security
Type: |
N/A |
| Shares
Out: |
47,500,000 |
| Market
Cap: |
1.31(B) |
| Last
Volume: |
0 |
Avg
Vol: |
0 |
| 52
Week Range: |
$20.62 - $32.29 |
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| Level
I Sector: |
N/A |
| Level
II Sector: |
N/A |
| Level
III Sector: |
N/A |
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Member Indexes:
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Rankings:
|
|
| Insider 3 Months : - |
| Insider 6 Months : - |
| Insider 3/6 Months : - |
|
| Guru Rank Number : - |
| Guru Rank Value : - |
| Guru Occurances : - |
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Company Profile Amphastar Pharmaceuticals is a bio-pharmaceutical company that focuses primarily on developing, manufacturing, marketing and selling generic and proprietary injectable, inhalation, and intranasal products, and insulin active pharmaceutical ingredient (API) products. Co.'s reportable segments are: finished pharmaceutical products, which manufactures, markets and distributes Primatene Mist®, glucagon, enoxaparin, naloxone, phytonadione, lidocaine, epinephrine, various critical and non-critical care drugs; and API, which manufactures and distributes recombinant human insulin API and porcine insulin API for external customers and internal product development.
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D/I:
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D
is for direct shares.
I is
for indirect shares.
D/I
refers to the Direct or Indirect
shares traded vs. held. |
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Forms:
|
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|
A
Form 4 is a form filed
by an insider to indicate a change
in ownership.
A Form
3 is a form filed by
an insider to indicate an
initial ownership of a security. |
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3m +/-:
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|
This
represents the company's 3 month
price change. The initial price
is based on the closing price
of the stock on the day the transaction
took place. Purchases & sales
are viewed as long & short
positions respectively.
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Actions:
|
|
|
| B |
Buy |
| S |
Sell |
| OE |
Option
Exercised |
| A |
Acquired |
| D |
Disposed |
| AB |
Automatic
Buy |
| AS |
Automatic
Sell |
| IO |
Initial
Ownership |
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|
Download:
|
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|
Download only Transactions
Forms. (Default)
Download
only Summary Infomation.
Download
both Transactions and Summary Data
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| |
Summary (Direct Transactions Only)  |
3 Months |
6 Months |
12 Months |
24 Months |
| Total Shares Bought |
0 |
0 |
0 |
0 |
| Total Buy Value |
$0 |
$0 |
$0 |
$0 |
| Total People Bought |
0 |
0 |
0 |
0 |
| Total Buy Transactions |
0 |
0 |
0 |
0 |
| Total Shares Sold |
34,808 |
36,308 |
44,039 |
155,187 |
| Total Sell Value |
$918,977 |
$960,704 |
$1,166,421 |
$6,302,576 |
| Total People Sold |
3 |
3 |
4 |
6 |
| Total Sell Transactions |
5 |
8 |
15 |
33 |
| End Date |
2025-11-13 |
2025-08-12 |
2025-02-11 |
2024-02-12 |
|
| Filer's Name |
Relation Title |
Off-Dir-10% |
Tran. Date |
Form |
Action |
Price |
Mkt Value |
D/I |
Shares |
Holdings |
Rank
|
|
|
| 3m +/- |
|
|
Form |
  Zhou Rong |
SENIOR EVP, PRODUCTION CENTER |
• – – |
2025-12-17 |
4 |
S |
$26.20 |
$256,379 |
D/D |
(9,787) |
138,043 |
|
-6% |
|
| Zhou Rong |
SENIOR EVP, PRODUCTION CENTER |
• – – |
2025-12-17 |
4 |
OE |
$11.33 |
$110,887 |
D/D |
9,787 |
147,830 |
|
- |
|
| Petersen Floyd F. |
|
– • – |
2025-12-12 |
4 |
S |
$25.92 |
$62,888 |
D/D |
(2,426) |
71,368 |
|
-9% |
|
| Petersen Floyd F. |
|
– • – |
2025-12-11 |
4 |
S |
$25.69 |
$44,620 |
D/D |
(1,737) |
73,794 |
|
-6% |
|
| Prins Richard K |
|
– • – |
2025-11-25 |
4 |
S |
$27.10 |
$113,253 |
D/D |
(4,179) |
35,183 |
|
1% |
|
| Prins Richard K |
|
– • – |
2025-11-25 |
4 |
OE |
$16.69 |
$69,748 |
D/D |
4,179 |
39,362 |
|
- |
|
| Petersen Floyd F. |
|
– • – |
2025-11-13 |
4 |
S |
$26.49 |
$441,837 |
D/D |
(16,679) |
75,531 |
|
-4% |
|
| Petersen Floyd F. |
|
– • – |
2025-11-13 |
4 |
OE |
$16.69 |
$278,373 |
D/D |
16,679 |
92,210 |
|
- |
|
| Petersen Floyd F. |
|
– • – |
2025-11-03 |
4 |
AS |
$25.27 |
$12,633 |
D/D |
(500) |
75,531 |
|
16% |
|
| Petersen Floyd F. |
|
– • – |
2025-10-01 |
4 |
AS |
$27.20 |
$13,602 |
D/D |
(500) |
76,031 |
|
8% |
|
| Petersen Floyd F. |
|
– • – |
2025-09-02 |
4 |
AS |
$30.98 |
$15,492 |
D/D |
(500) |
76,531 |
|
-10% |
|
| Petersen Floyd F. |
|
– • – |
2025-08-01 |
4 |
AS |
$20.83 |
$10,416 |
D/D |
(500) |
77,031 |
|
21% |
|
| Gaugh David Russell |
|
– • – |
2025-07-18 |
4 |
A |
$0.00 |
$0 |
D/D |
6,304 |
6,304 |
|
- |
|
| Petersen Floyd F. |
|
– • – |
2025-07-02 |
4 |
AS |
$23.47 |
$11,734 |
D/D |
(500) |
77,531 |
|
2% |
|
| Luo Mary Z. |
COO, Chief Scientist, Chairman |
• • • |
2025-06-13 |
4 |
OE |
$13.03 |
$2,606,000 |
D/D |
200,000 |
2,847,659 |
|
- |
|
| Lee Howard |
|
– • – |
2025-06-03 |
4 |
D |
$26.01 |
$24,007 |
D/D |
(923) |
151,976 |
|
- |
|
| Lee Howard |
|
– • – |
2025-06-02 |
4 |
A |
$0.00 |
$0 |
D/D |
5,122 |
152,899 |
|
- |
|
| Zasloff Michael A |
|
– • – |
2025-06-02 |
4 |
A |
$0.00 |
$0 |
D/D |
5,122 |
29,524 |
|
- |
|
| Deflin Gayle |
|
– • – |
2025-06-02 |
4 |
A |
$0.00 |
$0 |
D/D |
5,122 |
10,914 |
|
- |
|
| Prins Richard K |
|
– • – |
2025-06-02 |
4 |
A |
$0.00 |
$0 |
D/D |
5,122 |
35,183 |
|
- |
|
| Gerst Diane G. |
|
– • – |
2025-06-02 |
4 |
A |
$0.00 |
$0 |
D/D |
5,122 |
23,756 |
|
- |
|
| Petersen Floyd F. |
|
– • – |
2025-06-02 |
4 |
A |
$0.00 |
$0 |
D/D |
5,122 |
78,031 |
|
- |
|
| Petersen Floyd F. |
|
– • – |
2025-06-02 |
4 |
AS |
$25.67 |
$12,835 |
D/D |
(500) |
72,909 |
|
-2% |
|
| Peters William J |
CFO, EVP & TREASURER |
• • – |
2025-05-19 |
4 |
D |
$24.79 |
$6,768 |
D/D |
(273) |
124,985 |
|
- |
|
| Petersen Floyd F. |
|
– • – |
2025-05-01 |
4 |
AS |
$24.08 |
$12,041 |
D/D |
(500) |
73,409 |
|
19% |
|
889 Records found
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Page 1 of 36 |
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Transaction Code Key: |
Ownership Code Key |
| |
B |
- Buy |
AB |
- Automatic Buy |
D |
- Direct Ownership |
| |
S |
- Sell |
AS |
- Automatic Sell |
I |
- Indirect Ownership |
| |
OE |
- Options Exercised |
A |
- Acquired |
| |
IO |
- Initital Ownership |
D |
- Disposed |
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1.04 (3.64%) 
