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Insider Trading - Zhang Jack Y.

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"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Insider Trading Transactions for Zhang Jack Y.

Common stock purchase or sale:
Transaction
Date
Reported
DateTime
Company Symbol Insider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2015-12-01
Sale
2015-12-03
7:12 pm
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
38,583 $15.45 $596,241 7,593,011
(Indirect
Direct)
View
2015-12-04
Sale
2015-12-08
7:14 pm
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
68,117 $14.71 $1,001,909 7,524,894
(Indirect
Direct)
View
2015-12-09
Sale
2015-12-11
6:12 pm
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
63,300 $14.25 $901,753 7,461,594
(Indirect
Direct)
View
2015-06-10
Sale(A)
2016-02-03
7:41 pm
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
160,495 $16.23 $2,605,207 679,750
(Indirect
Direct)
View
2016-09-20
Sale
2016-09-22
4:39 pm
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
444,199 $21.03 $9,342,804 752,321
(Indirect
Direct)
View
2018-05-15
Purchase
2018-05-17
7:05 pm
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
40,000 $16.07 $642,824 2,080,619
(Indirect
Direct)
View
2018-12-11
Sale
2018-12-13
8:08 pm
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
133,915 $21.29 $2,851,052 7,327,679
(Indirect
Direct)
View
2018-12-14
Sale
2018-12-17
8:02 pm
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
43,577 $20.48 $892,309 2,072,317
(Indirect
Direct)
View
2019-09-11
Sale
2019-09-12
7:50 pm
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
Applied Physics & Chemistry Laboratories Inc.
CEO
10% Owner
300,000 $20.82 $6,246,000 7,027,679
(Indirect
Direct)
View
(A) Indicate amendment filing.

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
Company Symnbol Insider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2015-08-17
Exercise
2015-08-19
8:18 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
8,481 $12.97 0
(Direct)
View
2015-08-17
Exercise
2015-08-19
8:18 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
8,481 $12.97 0
(Indirect)
View
2015-08-17
Exercise
2015-08-19
8:18 pm
N/A
2015-09-28
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
8,481 $12.97 0
(Direct)
View
2015-08-17
Exercise
2015-08-19
8:18 pm
N/A
2015-09-28
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
8,481 $12.97 0
(Indirect)
View
2015-06-10
Exercise
2016-02-03
7:41 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
12,975 $12.97 679,750
(Direct)
View
2015-06-10
Exercise
2016-02-03
7:41 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
12,860 $12.97 679,750
(Direct)
View
2015-06-10
Exercise
2016-02-03
7:41 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
83,253 $12.97 679,750
(Direct)
View
2015-06-10
Exercise
2016-02-03
7:41 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
12,619 $12.97 679,750
(Indirect)
View
2015-06-10
Exercise
2016-02-03
7:41 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
12,930 $12.97 679,750
(Indirect)
View
2015-06-10
Exercise
2016-02-03
7:41 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
42,223 $12.97 679,750
(Indirect)
View
2015-06-10
Exercise
2016-02-03
7:41 pm
N/A
2015-09-28
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
12,975 $12.97 679,750
(Direct)
View
2015-06-10
Exercise
2016-02-03
7:41 pm
N/A
2015-09-28
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
12,860 $12.97 679,750
(Direct)
View
2015-06-10
Exercise
2016-02-03
7:41 pm
N/A
2015-09-28
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
83,253 $12.97 679,750
(Direct)
View
2015-06-10
Exercise
2016-02-03
7:41 pm
N/A
2015-09-28
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
12,619 $12.97 679,750
(Indirect)
View
2015-06-10
Exercise
2016-02-03
7:41 pm
N/A
2015-09-28
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
12,930 $12.97 679,750
(Indirect)
View
2015-06-10
Exercise
2016-02-03
7:41 pm
N/A
2015-09-28
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
42,223 $12.97 679,750
(Indirect)
View
2016-03-17
Option Award
2016-03-21
8:03 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
184,466 $0 310,930
(Direct)
View
2016-03-17
Option Award
2016-03-21
8:03 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
79,435 $0 310,930
(Indirect)
View
2016-03-17
Option Award
2016-03-21
8:03 pm
N/A
2024-03-17
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
722,046 $12.46 310,930
(Direct)
View
2016-03-17
Option Award
2016-03-21
8:03 pm
N/A
2024-03-17
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
310,930 $12.46 310,930
(Indirect)
View
2016-03-26
Tax Withholding
2016-03-29
7:20 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
15,711 $11.96 752,321
(Direct)
View
2016-03-26
Tax Withholding
2016-03-29
7:20 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
25,856 $11.96 752,321
(Direct)
View
2016-03-26
Tax Withholding
2016-03-29
7:20 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
6,704 $11.96 752,321
(Indirect)
View
2016-03-26
Tax Withholding
2016-03-29
7:20 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
8,641 $11.96 752,321
(Indirect)
View
2016-09-20
Exercise
2016-09-22
4:39 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
207,350 $16.75 752,321
(Direct)
View
2016-09-20
Exercise
2016-09-22
4:39 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
55,081 $16.75 752,321
(Direct)
View
2016-09-20
Exercise
2016-09-22
4:39 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
181,768 $16.75 752,321
(Indirect)
View
2016-09-20
Exercise
2016-09-22
4:39 pm
N/A
2016-10-03
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
207,350 $16.75 752,321
(Direct)
View
2016-09-20
Exercise
2016-09-22
4:39 pm
N/A
2016-10-03
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
55,081 $16.75 752,321
(Direct)
View
2016-09-20
Exercise
2016-09-22
4:39 pm
N/A
2016-10-03
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
181,768 $16.75 752,321
(Indirect)
View
2017-03-16
Option Award
2017-03-20
8:50 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
156,554 $0 211,213
(Direct)
View
2017-03-16
Tax Withholding
2017-03-20
8:50 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
23,108 $13.75 211,213
(Direct)
View
2017-03-16
Option Award
2017-03-20
8:50 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
67,415 $0 211,213
(Indirect)
View
2017-03-16
Tax Withholding
2017-03-20
8:50 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
9,951 $13.75 211,213
(Indirect)
View
2017-03-16
Option Award
2017-03-20
8:50 pm
N/A
2025-03-16
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
490,477 $14.69 211,213
(Direct)
View
2017-03-16
Option Award
2017-03-20
8:50 pm
N/A
2025-03-16
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
211,213 $14.69 211,213
(Indirect)
View
2017-03-26
Tax Withholding
2017-03-28
8:03 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
21,799 $13.76 793,810
(Direct)
View
2017-03-26
Tax Withholding
2017-03-28
8:03 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
27,480 $14.27 793,810
(Direct)
View
2017-03-26
Tax Withholding
2017-03-28
8:03 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
6,704 $13.76 793,810
(Indirect)
View
2017-03-26
Tax Withholding
2017-03-28
8:03 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
9,271 $14.27 793,810
(Indirect)
View
2017-05-23
Exercise
2017-05-25
4:15 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
382,448 $11.51 0
(Direct)
View
2017-05-23
Exercise
2017-05-25
4:15 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
264,895 $11.51 0
(Indirect)
View
2017-05-23
Exercise
2017-05-25
4:15 pm
N/A
2017-07-13
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
382,448 $11.51 0
(Direct)
View
2017-05-23
Exercise
2017-05-25
4:15 pm
N/A
2017-07-13
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
264,895 $11.51 0
(Indirect)
View
2017-09-13
Exercise
2017-09-15
4:30 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
176,987 $11.53 0
(Direct)
View
2017-09-13
Tax Withholding
2017-09-15
4:30 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
153,882 $15.86 0
(Direct)
View
2017-09-13
Exercise
2017-09-15
4:30 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
138,632 $11.53 0
(Indirect)
View
2017-09-13
Tax Withholding
2017-09-15
4:30 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
120,504 $15.87 0
(Indirect)
View
2017-09-13
Exercise
2017-09-15
4:30 pm
N/A
2017-09-28
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
176,987 $11.53 0
(Direct)
View
2017-09-13
Exercise
2017-09-15
4:30 pm
N/A
2017-09-28
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
138,632 $11.53 0
(Indirect)
View
2017-11-13
Exercise
2017-11-14
7:39 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
319,792 $12.02 559,636
(Direct)
View
2017-11-13
Exercise
2017-11-14
7:39 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
186,545 $12.02 559,636
(Indirect)
View
2017-11-13
Exercise
2017-11-14
7:39 pm
N/A
2018-07-05
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
319,792 $12.02 559,636
(Direct)
View
2017-11-13
Exercise
2017-11-14
7:39 pm
N/A
2018-07-05
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
186,545 $12.02 559,636
(Indirect)
View
2017-12-15
Exercise
2017-12-19
6:25 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
639,584 $12.02 186,545
(Direct)
View
2017-12-15
Tax Withholding
2017-12-19
6:25 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
524,266 $19.3 186,545
(Direct)
View
2017-12-15
Exercise
2017-12-19
6:25 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
373,091 $12.02 186,545
(Indirect)
View
2017-12-15
Tax Withholding
2017-12-19
6:25 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
305,823 $19.3 186,545
(Indirect)
View
2017-12-15
Exercise
2017-12-19
6:25 pm
N/A
2018-07-05
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
639,584 $12.02 186,545
(Direct)
View
2017-12-15
Exercise
2017-12-19
6:25 pm
N/A
2018-07-05
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
373,091 $12.02 186,545
(Indirect)
View
2018-03-15
Option Award
2018-03-16
6:13 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
98,029 $0 116,392
(Direct)
View
2018-03-15
Option Award
2018-03-16
6:13 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
41,687 $0 116,392
(Indirect)
View
2018-03-15
Option Award
2018-03-16
6:13 pm
N/A
2026-03-15
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
273,692 $21.77 116,392
(Direct)
View
2018-03-15
Option Award
2018-03-16
6:13 pm
N/A
2028-03-15
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
116,392 $21.77 116,392
(Indirect)
View
2018-03-16
Tax Withholding
2018-03-20
8:00 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
19,360 $19.91 1,354,973
(Direct)
View
2018-03-16
Tax Withholding
2018-03-20
8:00 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
30,487 $19.91 1,354,973
(Direct)
View
2018-03-16
Tax Withholding
2018-03-20
8:00 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
7,771 $19.91 1,354,973
(Indirect)
View
2018-03-16
Tax Withholding
2018-03-20
8:00 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
9,589 $19.91 1,354,973
(Indirect)
View
2018-03-26
Tax Withholding
2018-03-28
5:21 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
20,728 $18.61 1,346,129
(Direct)
View
2018-03-26
Tax Withholding
2018-03-28
5:21 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
8,844 $18.61 1,346,129
(Indirect)
View
2018-07-02
Exercise
2018-07-03
5:06 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
319,791 $12.02 0
(Direct)
View
2018-07-02
Tax Withholding
2018-07-03
5:06 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
284,516 $15.39 0
(Direct)
View
2018-07-02
Exercise
2018-07-03
5:06 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
186,545 $12.02 0
(Indirect)
View
2018-07-02
Tax Withholding
2018-07-03
5:06 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
165,968 $15.39 0
(Indirect)
View
2018-07-02
Exercise
2018-07-03
5:06 pm
N/A
2018-07-05
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
319,791 $12.02 0
(Direct)
View
2018-07-02
Exercise
2018-07-03
5:06 pm
N/A
2018-07-05
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
186,545 $12.02 0
(Indirect)
View
2019-03-15
Exercise
2019-03-18
7:53 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
514,783 $15.84 110,671
(Direct)
View
2019-03-15
Tax Withholding
2019-03-18
7:53 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
461,097 $20.23 110,671
(Direct)
View
2019-03-15
Option Award
2019-03-18
7:53 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
98,368 $0 110,671
(Direct)
View
2019-03-15
Tax Withholding
2019-03-18
7:53 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
17,205 $20.23 110,671
(Direct)
View
2019-03-15
Tax Withholding
2019-03-18
7:53 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
27,476 $20.23 110,671
(Direct)
View
2019-03-15
Tax Withholding
2019-03-18
7:53 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
32,374 $20.23 110,671
(Direct)
View
2019-03-15
Exercise
2019-03-18
7:53 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
224,737 $15.84 110,671
(Indirect)
View
2019-03-15
Tax Withholding
2019-03-18
7:53 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
200,853 $20.23 110,671
(Indirect)
View
2019-03-15
Option Award
2019-03-18
7:53 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
41,522 $0 110,671
(Indirect)
View
2019-03-15
Tax Withholding
2019-03-18
7:53 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
7,317 $20.23 110,671
(Indirect)
View
2019-03-15
Tax Withholding
2019-03-18
7:53 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
11,832 $20.23 110,671
(Indirect)
View
2019-03-15
Tax Withholding
2019-03-18
7:53 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
13,941 $20.23 110,671
(Indirect)
View
2019-03-15
Exercise
2019-03-18
7:53 pm
N/A
2019-03-27
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
514,783 $15.84 110,671
(Direct)
View
2019-03-15
Option Award
2019-03-18
7:53 pm
N/A
2027-03-15
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
262,182 $22.25 110,671
(Direct)
View
2019-03-15
Exercise
2019-03-18
7:53 pm
N/A
2019-03-27
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
224,737 $15.84 110,671
(Indirect)
View
2019-03-15
Option Award
2019-03-18
7:53 pm
N/A
2027-03-15
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
110,671 $22.25 110,671
(Indirect)
View
2020-03-15
Tax Withholding
2020-03-17
8:03 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
27,179 $14.19 1,389,429
(Direct)
View
2020-03-15
Tax Withholding
2020-03-17
8:03 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
9,593 $14.19 1,389,429
(Indirect)
View
2020-03-16
Tax Withholding
2020-03-18
5:29 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
25,873 $13.03 181,134
(Direct)
View
2020-03-16
Option Award
2020-03-18
5:29 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
152,724 $0 181,134
(Direct)
View
2020-03-16
Tax Withholding
2020-03-18
5:29 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
7,771 $13.03 181,134
(Indirect)
View
2020-03-16
Option Award
2020-03-18
5:29 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
68,303 $0 181,134
(Indirect)
View
2020-03-16
Option Award
2020-03-18
5:29 pm
N/A
2028-03-16
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
405,003 $13.03 181,134
(Direct)
View
2020-03-16
Option Award
2020-03-18
5:29 pm
N/A
2028-03-16
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
181,134 $13.03 181,134
(Indirect)
View