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Insider Trading - Amphastar Pharmaceuticals Inc. (AMPH)

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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
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AMPH Insider Trading Transactions for Amphastar Pharmaceuticals Inc.
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Common stock purchase or sale:
Transaction
Date
Reported
DateTime
Company Symbol Insider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2019-12-02
Sale
2019-12-04
4:06 pm
Amphastar Pharmaceuticals Inc. AMPH Petersen Floyd F.
Director
500 $19.25 $9,623 74,642
(Direct)
View
2019-11-01
Sale
2019-11-05
4:06 pm
Amphastar Pharmaceuticals Inc. AMPH Petersen Floyd F.
Director
500 $19.48 $9,738 75,142
(Direct)
View
2019-10-01
Sale
2019-10-03
6:21 pm
Amphastar Pharmaceuticals Inc. AMPH Petersen Floyd F.
Director
500 $19.92 $9,959 75,642
(Direct)
View
2019-09-18
Sale
2019-09-20
4:05 pm
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President
7,340 $21.32 $156,509 147,103
(Direct)
View
2019-09-16
Sale
2019-09-18
4:32 pm
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO
9,800 $21.76 $213,256 92,253
(Direct)
View
2019-09-16
Sale
2019-09-17
8:13 pm
Amphastar Pharmaceuticals Inc. AMPH Petersen Floyd F.
Director
500 $21.75 $10,877 76,142
(Direct)
View
2019-09-13
Sale
2019-09-17
7:11 pm
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
3,000 $21.45 $64,340 33,670
(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
(Direct
Indirect)
View
2019-09-05
Sale
2019-09-09
8:16 pm
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
3,910 $21.65 $84,638 36,670
(Direct
Indirect)
View
2019-08-23
Sale
2019-08-27
7:36 pm
Amphastar Pharmaceuticals Inc. AMPH PRINS RICHARD K
Director
7,500 $22.59 $169,420 43,191
(Direct)
View
2019-08-15
Sale
2019-08-16
5:07 pm
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO
4,942 $21 $103,782 82,453
(Direct)
View
2019-08-13
Sale
2019-08-15
4:06 pm
Amphastar Pharmaceuticals Inc. AMPH PRINS RICHARD K
Director
10,000 $20.78 $207,781 49,309
(Direct)
View
2019-08-12
Sale
2019-08-14
5:18 pm
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
15,518 $20.53 $318,615 47,188
(Indirect
Direct)
View
2019-07-10
Sale
2019-07-12
7:05 pm
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President
6,615 $20.31 $134,333 154,443
(Direct)
View
2019-05-06
Sale
2019-05-07
8:25 pm
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
9,600 $22.76 $218,496 99,668
(Indirect
Direct)
View
2019-05-01
Sale
2019-05-02
4:07 pm
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President
10,000 $21.97 $219,700 169,947
(Direct)
View
2019-04-16
Sale
2019-04-18
4:05 pm
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President
9,478 $20.67 $195,879 159,947
(Direct)
View
2019-03-14
Sale
2019-03-18
7:56 pm
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President
32,336 $20.35 $657,931 199,540
(Direct)
View
2019-03-04
Sale
2019-03-06
5:20 pm
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO
1,500 $25.36 $38,037 77,050
(Direct)
View
2019-03-01
Sale
2019-03-04
8:44 pm
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
3,200 $25 $80,000 99,668
(Indirect
Direct)
View
2019-03-01
Sale
2019-03-01
8:01 pm
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President
7,500 $24.99 $187,425 175,818
(Direct)
View
2019-02-15
Sale
2019-02-15
8:09 pm
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO
10,016 $24.37 $244,090 85,566
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
Company Symnbol Insider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2019-09-16
Exercise
2019-09-18
4:32 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO
9,800 $11.33 92,253
(Direct)
View
2019-09-16
Exercise
2019-09-18
4:32 pm
N/A
2026-03-17
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO
9,800 $11.33 92,253
(Direct)
View
2019-08-23
Exercise
2019-08-27
7:36 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PRINS RICHARD K
Director
3,882 $15.11 43,191
(Direct)
View
2019-08-23
Exercise
2019-08-27
7:36 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PRINS RICHARD K
Director
3,618 $15.11 43,191
(Direct)
View
2019-08-23
Exercise
2019-08-27
7:36 pm
N/A
2020-05-27
Amphastar Pharmaceuticals Inc. AMPH PRINS RICHARD K
Director
3,882 $15.11 43,191
(Direct)
View
2019-08-23
Exercise
2019-08-27
7:36 pm
N/A
2020-05-27
Amphastar Pharmaceuticals Inc. AMPH PRINS RICHARD K
Director
3,618 $15.11 43,191
(Direct)
View
2019-08-13
Exercise
2019-08-15
4:06 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PRINS RICHARD K
Director
10,000 $15.11 49,309
(Direct)
View
2019-08-13
Exercise
2019-08-15
4:06 pm
N/A
2020-05-27
Amphastar Pharmaceuticals Inc. AMPH PRINS RICHARD K
Director
10,000 $15.11 49,309
(Direct)
View
2019-08-12
Exercise
2019-08-14
5:18 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
5,000 $10.93 47,188
(Direct)
View
2019-08-12
Exercise
2019-08-14
5:18 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
5,000 $10.93 47,188
(Direct)
View
2019-08-12
Exercise
2019-08-14
5:18 pm
N/A
2023-07-30
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
5,000 $10.93 47,188
(Direct)
View
2019-08-12
Exercise
2019-08-14
5:18 pm
N/A
2023-07-30
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
5,000 $10.93 47,188
(Direct)
View
2019-06-14
Tax Withholding
2019-06-17
7:00 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
204 $19.82 99,668
(Direct)
View
2019-06-14
Tax Withholding
2019-06-17
6:58 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
195 $19.82 42,188
(Direct)
View
2019-06-12
Option Award
2019-06-13
8:04 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH ZASLOFF MICHAEL A
Director
5,491 $0 35,336
(Direct)
View
2019-06-12
Option Award
2019-06-13
8:04 pm
N/A
2027-06-12
Amphastar Pharmaceuticals Inc. AMPH ZASLOFF MICHAEL A
Director
13,915 $20.03 35,336
(Direct)
View
2019-06-12
Option Award
2019-06-13
8:02 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PRINS RICHARD K
Director
5,491 $0 39,309
(Direct)
View
2019-06-12
Option Award
2019-06-13
8:02 pm
N/A
2027-06-12
Amphastar Pharmaceuticals Inc. AMPH PRINS RICHARD K
Director
13,915 $20.03 39,309
(Direct)
View
2019-06-12
Option Award
2019-06-13
8:00 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Petersen Floyd F.
Director
5,491 $0 76,642
(Direct)
View
2019-06-12
Option Award
2019-06-13
8:00 pm
N/A
2027-06-12
Amphastar Pharmaceuticals Inc. AMPH Petersen Floyd F.
Director
13,915 $20.03 76,642
(Direct)
View
2019-06-12
Option Award
2019-06-13
7:58 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Lee Howard
Director
5,491 $0 128,081
(Direct)
View
2019-06-12
Option Award
2019-06-13
7:58 pm
N/A
2027-06-12
Amphastar Pharmaceuticals Inc. AMPH Lee Howard
Director
13,915 $20.03 128,081
(Direct)
View
2019-06-12
Option Award
2019-06-13
7:57 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Koo Richard
Director
5,491 $0 247,419
(Direct)
View
2019-06-12
Option Award
2019-06-13
7:57 pm
N/A
2027-06-12
Amphastar Pharmaceuticals Inc. AMPH Koo Richard
Director
13,915 $20.03 247,419
(Direct)
View
2019-06-12
Option Award
2019-06-13
7:54 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Gerst Diane G.
Director
2,745 $0 6,959
(Direct)
View
2019-06-12
Option Award
2019-06-13
7:54 pm
N/A
2027-06-12
Amphastar Pharmaceuticals Inc. AMPH Gerst Diane G.
Director
6,959 $20.03 6,959
(Direct)
View
2019-06-07
Tax Withholding
2019-06-10
4:55 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Lee Howard
Director
791 $20.11 122,590
(Direct)
View
2019-05-06
Exercise
2019-05-07
8:25 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
9,600 $20.26 99,668
(Direct)
View
2019-05-06
Exercise
2019-05-07
8:25 pm
N/A
2019-08-05
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
9,600 $20.26 99,668
(Direct)
View
2019-05-01
Exercise
2019-05-02
4:07 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President
10,000 $10.93 169,947
(Direct)
View
2019-05-01
Exercise
2019-05-02
4:07 pm
N/A
2023-07-05
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President
10,000 $10.93 169,947
(Direct)
View
2019-03-26
Tax Withholding
2019-03-28
4:58 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
814 $20.54 99,668
(Direct)
View
2019-03-26
Tax Withholding
2019-03-27
9:56 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
885 $20.54 41,273
(Direct)
View
2019-03-26
Tax Withholding
2019-03-27
9:54 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO
2,553 $20.54 86,339
(Direct)
View
2019-03-26
Tax Withholding
2019-03-27
9:53 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President
6,603 $20.54 169,425
(Direct)
View
2019-03-15
Option Award
2019-03-19
4:05 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
9,886 $0 45,769
(Direct)
View
2019-03-15
Tax Withholding
2019-03-19
4:05 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
1,071 $20.23 45,769
(Direct)
View
2019-03-15
Tax Withholding
2019-03-19
4:05 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
1,233 $20.23 45,769
(Direct)
View
2019-03-15
Tax Withholding
2019-03-19
4:05 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
1,307 $20.23 45,769
(Direct)
View
2019-03-15
Option Award
2019-03-19
4:05 pm
N/A
2029-03-15
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
21,991 $20.23 45,769
(Direct)
View
2019-03-15
Option Award
2019-03-19
06:06 am
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO
25,951 $0 101,501
(Direct)
View
2019-03-15
Tax Withholding
2019-03-19
06:06 am
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO
2,944 $20.23 101,501
(Direct)
View
2019-03-15
Tax Withholding
2019-03-19
06:06 am
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO
4,437 $20.23 101,501
(Direct)
View
2019-03-15
Tax Withholding
2019-03-19
06:06 am
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO
5,228 $20.23 101,501
(Direct)
View
2019-03-15
Option Award
2019-03-19
06:06 am
N/A
2029-03-15
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO
57,725 $20.23 101,501
(Direct)
View
2019-03-15
Option Award
2019-03-18
8:52 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
10,133 $0 99,668
(Direct)
View
2019-03-15
Tax Withholding
2019-03-18
8:52 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
1,179 $20.23 99,668
(Direct)
View
2019-03-15
Tax Withholding
2019-03-18
8:52 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
1,553 $20.23 99,668
(Direct)
View
2019-03-15
Tax Withholding
2019-03-18
8:52 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
1,510 $20.23 99,668
(Direct)
View
2019-03-15
Option Award
2019-03-18
8:52 pm
N/A
2029-03-15
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
22,541 $20.23 99,668
(Direct)
View
2019-03-14
Exercise
2019-03-18
7:56 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President
24,508 $10.93 199,540
(Direct)
View
2019-03-14
Option Award
2019-03-18
7:56 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President
39,050 $0 199,540
(Direct)
View
2019-03-14
Tax Withholding
2019-03-18
7:56 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President
5,255 $20.23 199,540
(Direct)
View
2019-03-14
Tax Withholding
2019-03-18
7:56 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President
8,381 $20.23 199,540
(Direct)
View
2019-03-14
Tax Withholding
2019-03-18
7:56 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President
9,876 $20.23 199,540
(Direct)
View
2019-03-14
Exercise
2019-03-18
7:56 pm
N/A
2023-07-05
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President
24,508 $10.93 199,540
(Direct)
View
2019-03-14
Option Award
2019-03-18
7:56 pm
N/A
2029-03-15
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President
86,862 $20.23 199,540
(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
514,783 $15.84 7,327,679
(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 7,327,679
(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 7,327,679
(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 7,327,679
(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 7,327,679
(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 7,327,679
(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 7,327,679
(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 7,327,679
(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 7,327,679
(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 7,327,679
(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 7,327,679
(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 7,327,679
(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 7,327,679
(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 7,327,679
(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 7,327,679
(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 7,327,679
(Indirect)
View
2019-03-04
Exercise
2019-03-06
5:20 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO
1,500 $13.35 77,050
(Direct)
View
2019-03-04
Exercise
2019-03-06
5:20 pm
N/A
2027-03-16
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO
1,500 $13.35 77,050
(Direct)
View
2019-03-01
Exercise
2019-03-04
8:44 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
3,200 $20.26 99,668
(Direct)
View
2019-03-01
Exercise
2019-03-04
8:44 pm
N/A
2019-08-05
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
3,200 $20.26 99,668
(Direct)
View
2019-02-05
Exercise
2019-03-04
8:43 pm
N/A
2019-08-05
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
3,200 $20.26 9,600
(Direct)
View
2019-03-01
Exercise
2019-03-01
8:01 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President
7,500 $20.26 175,818
(Direct)
View
2019-03-01
Exercise
2019-03-01
8:01 pm
N/A
2019-08-02
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President
7,500 $20.26 175,818
(Direct)
View
2019-02-15
Exercise
2019-02-15
8:09 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO
10,016 $13.35 85,566
(Direct)
View
2019-02-15
Exercise
2019-02-15
8:09 pm
N/A
2027-03-16
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO
10,016 $13.35 85,566
(Direct)
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