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Sec Filings 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 ==>> What is insider trading>>
AMPH Insider Trading Transactions for Amphastar Pharmaceuticals  Inc.
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Common stock purchase or sale:
Transaction
Date
Reported
Date
Company Symbol Insider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2018-05-15
Purchase
2018-05-17
7:05 pm
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO & Chief Scientific Officer
Director
10% Owner
40,000 $16.07 $642,824 7,461,594
(Indirect
Direct)
View
2018-03-16
Sale
2018-03-20
8:02 pm
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President and General Counsel
Director
20,000 $19.43 $388,638 251,372
(Direct)
View
2018-03-15
Sale
2018-03-16
6:19 pm
Amphastar Pharmaceuticals Inc. AMPH PRINS RICHARD K
Director
16,598 $19.9 $330,318 45,442
(Direct)
View
2018-03-13
Sale
2018-03-15
4:16 pm
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO, SVP & Treasurer
19,801 $20.1 $398,004 99,400
(Direct)
View
2018-03-13
Sale
2018-03-15
4:15 pm
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President and General Counsel
Director
700 $20.45 $14,315 217,348
(Direct)
View
2018-01-25
Sale
2018-01-26
6:02 pm
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President and General Counsel
Director
18,627 $19.42 $361,747 226,914
(Direct)
View
2017-12-19
Sale
2017-12-19
6:28 pm
Amphastar Pharmaceuticals Inc. AMPH Gerst Diane G.
EVP, QA & Regulatory Affairs
523 $19.48 $10,186 30,164
(Direct)
View
2017-12-14
Sale
2017-12-14
8:03 pm
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,866 $18.87 $148,430 31,982
(Direct)
View
2017-12-12
Sale
2017-12-14
8:02 pm
Amphastar Pharmaceuticals Inc. AMPH Gerst Diane G.
EVP, QA & Regulatory Affairs
523 $18.96 $9,917 30,687
(Direct)
View
2017-12-07
Sale
2017-12-08
4:30 pm
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $18.34 $144,210 31,978
(Direct)
View
2017-12-01
Sale
2017-12-05
4:30 pm
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO, SVP & Treasurer
6,226 $19.67 $122,465 78,314
(Direct)
View
2017-11-30
Sale
2017-11-30
7:38 pm
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $19.25 $151,344 31,978
(Direct)
View
2017-11-28
Sale
2017-11-30
7:37 pm
Amphastar Pharmaceuticals Inc. AMPH Gerst Diane G.
EVP, QA & Regulatory Affairs
523 $18.15 $9,493 31,210
(Direct)
View
2017-11-22
Sale
2017-11-24
8:00 pm
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $18.94 $148,895 31,978
(Direct)
View
2017-11-21
Sale
2017-11-21
5:21 pm
Amphastar Pharmaceuticals Inc. AMPH Gerst Diane G.
EVP, QA & Regulatory Affairs
523 $18.81 $9,839 31,733
(Direct)
View
2017-11-16
Sale
2017-11-17
8:02 pm
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $18.04 $141,862 31,978
(Direct)
View
2017-11-15
Sale
2017-11-17
8:01 pm
Amphastar Pharmaceuticals Inc. AMPH Gerst Diane G.
EVP, QA & Regulatory Affairs
523 $17.77 $9,292 32,256
(Direct)
View
2017-11-09
Sale
2017-11-09
9:04 pm
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $18.55 $145,845 39,314
(Direct)
View
2017-11-07
Sale
2017-11-09
9:00 pm
Amphastar Pharmaceuticals Inc. AMPH Gerst Diane G.
EVP, QA & Regulatory Affairs
523 $17.93 $9,375 32,779
(Direct)
View
2017-11-02
Sale
2017-11-03
4:05 pm
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $18.37 $144,460 47,176
(Direct)
View
2017-10-26
Sale
2017-10-26
6:21 pm
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $18.39 $144,618 55,038
(Direct)
View
2017-10-24
Sale
2017-10-26
6:20 pm
Amphastar Pharmaceuticals Inc. AMPH Gerst Diane G.
EVP, QA & Regulatory Affairs
523 $18.29 $9,568 33,302
(Direct)
View
2017-10-19
Sale
2017-10-19
8:01 pm
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $18.34 $144,195 62,900
(Direct)
View
2017-10-17
Sale
2017-10-19
8:00 pm
Amphastar Pharmaceuticals Inc. AMPH Gerst Diane G.
EVP, QA & Regulatory Affairs
523 $18.48 $9,665 33,825
(Direct)
View
2017-10-12
Sale
2017-10-13
8:02 pm
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $18.73 $147,219 70,762
(Direct)
View
2017-10-13
Sale
2017-10-13
8:00 pm
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO, SVP & Treasurer
3,026 $18.56 $56,176 83,496
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
Date
Exercisable
Expiration
Company Symnbol Insider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2018-04-21
Tax Withholding
2018-04-23
5:11 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO, SVP & Treasurer
1,273 $19.31 91,374
(Direct)
View
2018-03-26
Tax Withholding
2018-03-28
5:23 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
EVP, Production Center
535 $18.61 99,668
(Direct)
View
2018-03-26
Tax Withholding
2018-03-28
5:22 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO, SVP & Treasurer
1,677 $18.61 92,647
(Direct)
View
2018-03-26
Tax Withholding
2018-03-28
5:22 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President and General Counsel
Director
4,492 $18.61 220,394
(Direct)
View
2018-03-26
Tax Withholding
2018-03-28
5:22 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President and General Counsel
Director
7,833 $18.47 220,394
(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 & Chief Scientific Officer
Director
10% Owner
20,728 $18.61 7,461,594
(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 & Chief Scientific Officer
Director
10% Owner
8,844 $18.61 7,461,594
(Indirect)
View
2018-03-16
Tax Withholding
2018-03-20
8:06 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
EVP, Production Center
1,128 $19.91 99,668
(Direct)
View
2018-03-16
Tax Withholding
2018-03-20
8:06 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
EVP, Production Center
969 $19.91 99,668
(Direct)
View
2018-03-16
Tax Withholding
2018-03-20
8:04 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO, SVP & Treasurer
2,915 $19.91 97,758
(Direct)
View
2018-03-16
Tax Withholding
2018-03-20
8:04 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO, SVP & Treasurer
3,434 $19.91 97,758
(Direct)
View
2018-03-16
Tax Withholding
2018-03-20
8:02 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President and General Counsel
Director
5,495 $19.91 251,372
(Direct)
View
2018-03-16
Tax Withholding
2018-03-20
8:02 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President and General Counsel
Director
6,486 $19.91 251,372
(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 & Chief Scientific Officer
Director
10% Owner
19,360 $19.91 7,461,594
(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 & Chief Scientific Officer
Director
10% Owner
30,487 $19.91 7,461,594
(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 & Chief Scientific Officer
Director
10% Owner
7,771 $19.91 7,461,594
(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 & Chief Scientific Officer
Director
10% Owner
9,589 $19.91 7,461,594
(Indirect)
View
2018-03-15
Exercise
2018-03-16
6:19 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PRINS RICHARD K
Director
16,598 $14.66 45,442
(Direct)
View
2018-03-15
Exercise
2018-03-16
6:19 pm
N/A
2018-12-20
Amphastar Pharmaceuticals Inc. AMPH PRINS RICHARD K
Director
16,598 $14.66 45,442
(Direct)
View
2018-03-15
Option Award
2018-03-16
6:16 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
EVP, Production Center
8,969 $0 99,668
(Direct)
View
2018-03-15
Option Award
2018-03-16
6:16 pm
N/A
2028-03-15
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
EVP, Production Center
20,827 $19.79 99,668
(Direct)
View
2018-03-15
Option Award
2018-03-16
6:16 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO, SVP & Treasurer
22,359 $0 100,673
(Direct)
View
2018-03-15
Option Award
2018-03-16
6:16 pm
N/A
2028-03-15
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO, SVP & Treasurer
51,921 $19.79 100,673
(Direct)
View
2018-03-15
Option Award
2018-03-16
6:14 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President and General Counsel
Director
39,919 $0 256,867
(Direct)
View
2018-03-15
Option Award
2018-03-16
6:14 pm
N/A
2028-03-15
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President and General Counsel
Director
92,692 $19.79 256,867
(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 & Chief Scientific Officer
Director
10% Owner
98,029 $0 7,461,594
(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 & Chief Scientific Officer
Director
10% Owner
41,687 $0 7,461,594
(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 & Chief Scientific Officer
Director
10% Owner
273,692 $21.77 7,461,594
(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 & Chief Scientific Officer
Director
10% Owner
116,392 $21.77 7,461,594
(Indirect)
View
2018-03-13
Exercise
2018-03-15
4:16 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO, SVP & Treasurer
19,801 $11.33 99,400
(Direct)
View
2018-03-13
Exercise
2018-03-15
4:16 pm
N/A
2026-03-17
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO, SVP & Treasurer
19,801 $11.33 99,400
(Direct)
View
2018-03-13
Exercise
2018-03-15
4:15 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President and General Counsel
Director
300 $11.79 217,348
(Direct)
View
2018-03-13
Exercise
2018-03-15
4:15 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President and General Counsel
Director
400 $11.79 217,348
(Direct)
View
2018-03-13
Exercise
2018-03-15
4:15 pm
N/A
2020-09-28
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President and General Counsel
Director
300 $11.79 217,348
(Direct)
View
2018-03-13
Exercise
2018-03-15
4:15 pm
N/A
2020-09-28
Amphastar Pharmaceuticals Inc. AMPH Shandell Jason B.
President and General Counsel
Director
400 $11.79 217,348
(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 & Chief Scientific Officer
Director
10% Owner
639,584 $12.02 7,461,594
(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 & Chief Scientific Officer
Director
10% Owner
524,266 $19.3 7,461,594
(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 & Chief Scientific Officer
Director
10% Owner
373,091 $12.02 7,461,594
(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 & Chief Scientific Officer
Director
10% Owner
305,823 $19.3 7,461,594
(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 & Chief Scientific Officer
Director
10% Owner
639,584 $12.02 7,461,594
(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 & Chief Scientific Officer
Director
10% Owner
373,091 $12.02 7,461,594
(Indirect)
View
2017-12-14
Exercise
2017-12-14
8:03 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,866 $10.77 31,982
(Direct)
View
2017-12-14
Exercise
2017-12-14
8:03 pm
N/A
2017-12-15
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,866 $10.77 31,982
(Direct)
View
2017-12-07
Exercise
2017-12-08
4:30 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $10.77 31,978
(Direct)
View
2017-12-07
Exercise
2017-12-08
4:30 pm
N/A
2017-12-15
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $10.77 31,978
(Direct)
View
2017-11-30
Exercise
2017-11-30
7:38 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $10.77 31,978
(Direct)
View
2017-11-30
Exercise
2017-11-30
7:38 pm
N/A
2017-12-15
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $10.77 31,978
(Direct)
View
2017-11-22
Exercise
2017-11-24
8:00 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $10.77 31,978
(Direct)
View
2017-11-22
Exercise
2017-11-24
8:00 pm
N/A
2017-12-15
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $10.77 31,978
(Direct)
View
2017-11-16
Exercise
2017-11-17
8:02 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $10.77 31,978
(Direct)
View
2017-11-16
Exercise
2017-11-17
8:02 pm
N/A
2017-12-15
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $10.77 31,978
(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 & Chief Scientific Officer
Director
10% Owner
319,792 $12.02 7,461,594
(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 & Chief Scientific Officer
Director
10% Owner
186,545 $12.02 7,461,594
(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 & Chief Scientific Officer
Director
10% Owner
319,792 $12.02 7,461,594
(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 & Chief Scientific Officer
Director
10% Owner
186,545 $12.02 7,461,594
(Indirect)
View
2017-11-09
Exercise
2017-11-09
9:04 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $10.77 39,314
(Direct)
View
2017-11-09
Exercise
2017-11-09
9:04 pm
N/A
2017-12-15
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $10.77 39,314
(Direct)
View
2017-11-02
Exercise
2017-11-03
4:05 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $10.77 47,176
(Direct)
View
2017-11-02
Exercise
2017-11-03
4:05 pm
N/A
2017-12-15
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $10.77 47,176
(Direct)
View
2017-10-26
Exercise
2017-10-26
6:21 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $10.77 55,038
(Direct)
View
2017-10-26
Exercise
2017-10-26
6:21 pm
N/A
2017-12-15
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $10.77 55,038
(Direct)
View
2017-10-19
Exercise
2017-10-19
8:01 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $10.77 62,900
(Direct)
View
2017-10-19
Exercise
2017-10-19
8:01 pm
N/A
2017-12-15
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $10.77 62,900
(Direct)
View
2017-10-12
Exercise
2017-10-13
8:02 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $10.77 70,762
(Direct)
View
2017-10-12
Exercise
2017-10-13
8:02 pm
N/A
2017-12-15
Amphastar Pharmaceuticals Inc. AMPH Shohet Stephen B.
Director
7,862 $10.77 70,762
(Direct)
View
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