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Insider Trading - Amphastar Pharmaceuticals Inc. (AMPH)

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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
2020-09-01
Sale
2020-09-02
5:27 pm
Amphastar Pharmaceuticals Inc. AMPH Petersen Floyd F.
Director
500 $19.9 $9,948 75,493
(Direct)
View
2020-10-01
Sale
2020-10-02
4:15 pm
Amphastar Pharmaceuticals Inc. AMPH Petersen Floyd F.
Director
500 $18.89 $9,446 74,993
(Direct)
View
2020-11-02
Sale
2020-11-03
4:05 pm
Amphastar Pharmaceuticals Inc. AMPH Petersen Floyd F.
Director
500 $19.84 $9,920 74,493
(Direct)
View
2020-12-01
Sale
2020-12-02
4:20 pm
Amphastar Pharmaceuticals Inc. AMPH Petersen Floyd F.
Director
500 $17.87 $8,936 73,993
(Direct)
View
2021-01-19
Sale
2021-01-20
5:58 pm
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO
6,495 $18.67 $121,237 89,548
(Direct)
View
2021-02-01
Sale
2021-02-02
4:16 pm
Amphastar Pharmaceuticals Inc. AMPH Petersen Floyd F.
Director
639 $18.26 $11,669 73,354
(Direct)
View
2021-02-01
Sale
2021-02-03
4:15 pm
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
Applied Physics & Chemistry Laboratories Inc.
CEO
10% Owner
37,931 $18.43 $698,941 6,989,748
(Indirect
Direct)
View
2021-02-03
Sale
2021-02-05
8:35 pm
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
Applied Physics & Chemistry Laboratories Inc.
CEO
10% Owner
41,869 $18.69 $782,343 6,947,879
(Indirect
Direct)
View
2021-02-05
Sale
2021-02-09
5:30 pm
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
Applied Physics & Chemistry Laboratories Inc.
CEO
10% Owner
40,886 $18.92 $773,546 6,906,993
(Indirect
Direct)
View
2021-02-10
Sale
2021-02-12
7:11 pm
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
Applied Physics & Chemistry Laboratories Inc.
CEO
10% Owner
48,847 $18.93 $924,750 6,858,146
(Indirect
Direct)
View
2021-02-16
Sale
2021-02-18
6:58 pm
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
Applied Physics & Chemistry Laboratories Inc.
CEO
10% Owner
30,467 $18.59 $566,315 6,827,679
(Indirect
Direct)
View
2021-03-15
Sale
2021-03-17
7:40 pm
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO
4,244 $19.03 $80,745 85,304
(Direct)
View
2021-05-11
Sale
2021-05-13
6:39 pm
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
14,592 $19.14 $279,339 56,759
(Indirect
Direct)
View
2021-05-11
Sale
2021-05-13
6:42 pm
Amphastar Pharmaceuticals Inc. AMPH PRINS RICHARD K
Director
15,827 $18.9 $299,110 39,160
(Direct)
View
2021-05-13
Sale
2021-05-14
7:01 pm
Amphastar Pharmaceuticals Inc. AMPH ZASLOFF MICHAEL A
Director
25,827 $19.34 $499,435 41,187
(Direct)
View
2020-05-13
Sale
2021-05-17
7:38 pm
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
18,119 $19.71 $357,170 89,966
(Indirect
Direct)
View
2021-05-14
Sale
2021-05-18
4:06 pm
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
12,823 $19.98 $256,140 53,573
(Indirect
Direct)
View
2021-05-20
Sale
2021-05-24
4:45 pm
Amphastar Pharmaceuticals Inc. AMPH Lee Howard
Director
10,000 $19.74 $197,354 132,914
(Direct)
View
2021-06-01
Sale
2021-06-02
7:34 pm
Amphastar Pharmaceuticals Inc. AMPH Koo Richard
Director
25,827 $19.28 $498,009 253,270
(Indirect
Direct)
View
2021-06-03
Sale
2021-06-04
7:35 pm
Amphastar Pharmaceuticals Inc. AMPH Petersen Floyd F.
Director
10,000 $18.65 $186,527 73,354
(Direct)
View
2021-06-07
Sale
2021-06-08
8:56 pm
Amphastar Pharmaceuticals Inc. AMPH Lee Howard
Director
15,827 $19.3 $305,449 138,933
(Direct)
View
2021-06-07
Sale
2021-06-08
8:58 pm
Amphastar Pharmaceuticals Inc. AMPH Petersen Floyd F.
Director
15,827 $19.34 $306,039 73,354
(Direct)
View
2021-06-04
Sale
2021-06-08
8:59 pm
Amphastar Pharmaceuticals Inc. AMPH PRINS RICHARD K
Director
10,000 $18.74 $187,351 39,160
(Direct)
View
2021-06-08
Sale
2021-06-10
4:45 pm
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
12,912 $19.43 $250,829 86,244
(Indirect
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
2021-03-15
Tax Withholding
2021-03-17
7:38 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
28,088 $19.15 2,218,900
(Direct)
View
2021-03-15
Tax Withholding
2021-03-17
7:38 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
9,592 $19.15 1,440,369
(Indirect)
View
2021-03-15
Tax Withholding
2021-03-17
7:40 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO
4,178 $19.15 81
(Direct)
View
2021-03-15
Tax Withholding
2021-03-17
8:00 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
1,652 $19.15 77,584
(Direct)
View
2021-03-15
Tax Withholding
2021-03-17
8:30 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
1,559 $19.15 44,437
(Direct)
View
2021-03-16
Tax Withholding
2021-03-18
8:50 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO
6,398 $18.44 74,728
(Direct)
View
2021-03-16
Option Award
2021-03-18
8:50 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO
33,574 $0 108,302
(Direct)
View
2021-03-16
Option Award
2021-03-18
8:50 pm
N/A
2031-03-17
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO
78,833 $0 78,833
(Direct)
View
2021-03-16
Tax Withholding
2021-03-18
8:52 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
3,303 $18.44 74,281
(Direct)
View
2021-03-16
Option Award
2021-03-18
8:52 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
21,984 $0 96,265
(Direct)
View
2021-03-16
Option Award
2021-03-18
8:52 pm
N/A
2031-03-17
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
51,621 $0 51,621
(Direct)
View
2021-03-16
Tax Withholding
2021-03-18
8:54 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
2,430 $18.44 42,007
(Direct)
View
2021-03-16
Option Award
2021-03-18
8:54 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
19,344 $0 61,351
(Direct)
View
2021-03-16
Option Award
2021-03-18
8:54 pm
N/A
2031-03-17
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
45,420 $0 45,420
(Direct)
View
2021-03-16
Tax Withholding
2021-03-18
9:11 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
25,241 $18.44 2,193,659
(Direct)
View
2021-03-16
Tax Withholding
2021-03-18
9:11 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
8,890 $18.44 1,431,479
(Indirect)
View
2021-03-16
Option Award
2021-03-18
9:11 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
127,209 $0 2,320,868
(Direct)
View
2021-03-16
Option Award
2021-03-18
9:11 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
56,892 $0 1,488,371
(Indirect)
View
2021-03-16
Option Award
2021-03-18
9:11 pm
N/A
2031-03-17
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
298,688 $0 298,688
(Direct)
View
2021-03-16
Option Award
2021-03-18
9:11 pm
N/A
2031-03-17
Amphastar Pharmaceuticals Inc. AMPH Zhang Jack Y.
Luo Mary Z.
CEO
10% Owner
133,585 $0 133,585
(Indirect)
View
2021-05-11
Exercise
2021-05-13
6:39 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
10,000 $11.33 71,351
(Direct)
View
2021-05-11
Exercise
2021-05-13
6:39 pm
N/A
2026-03-17
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
10,000 $0 9,637
(Direct)
View
2021-05-11
Exercise
2021-05-13
6:42 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PRINS RICHARD K
Director
15,827 $16.43 54,987
(Direct)
View
2021-05-11
Exercise
2021-05-13
6:42 pm
N/A
2021-06-09
Amphastar Pharmaceuticals Inc. AMPH PRINS RICHARD K
Director
15,827 $0 10,000
(Direct)
View
2021-05-13
Exercise
2021-05-14
7:01 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH ZASLOFF MICHAEL A
Director
25,827 $16.43 67,014
(Direct)
View
2021-05-13
Exercise
2021-05-14
7:01 pm
N/A
2021-06-09
Amphastar Pharmaceuticals Inc. AMPH ZASLOFF MICHAEL A
Director
25,827 $0 0
(Direct)
View
2020-05-13
Exercise
2021-05-17
7:38 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
700 $14.23 96,965
(Direct)
View
2020-05-13
Exercise
2021-05-17
7:38 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
11,120 $14.23 107,385
(Direct)
View
2020-05-13
Exercise
2021-05-17
7:38 pm
N/A
2021-12-22
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
700 $0 19,300
(Direct)
View
2020-05-13
Exercise
2021-05-17
7:38 pm
N/A
2021-12-22
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
11,120 $0 8,180
(Direct)
View
2021-05-14
Exercise
2021-05-18
4:06 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
9,637 $11.33 63,210
(Direct)
View
2021-05-14
Exercise
2021-05-18
4:06 pm
N/A
2026-03-17
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
9,637 $0 0
(Direct)
View
2021-05-19
Option Award
2021-05-20
6:32 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO
3,047 $0 111,349
(Direct)
View
2021-05-19
Option Award
2021-05-20
6:32 pm
N/A
2031-05-19
Amphastar Pharmaceuticals Inc. AMPH PETERS WILLIAM J
CFO
7,209 $0 7,209
(Direct)
View
2021-05-20
Exercise
2021-05-24
4:45 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Lee Howard
Director
10,000 $16.43 142,914
(Direct)
View
2021-05-20
Exercise
2021-05-24
4:45 pm
N/A
2021-06-09
Amphastar Pharmaceuticals Inc. AMPH Lee Howard
Director
10,000 $0 15,827
(Direct)
View
2021-06-01
Exercise
2021-06-02
7:34 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Koo Richard
Director
25,827 $16.43 279,097
(Direct)
View
2021-06-01
Exercise
2021-06-02
7:34 pm
N/A
2021-06-09
Amphastar Pharmaceuticals Inc. AMPH Koo Richard
Director
25,827 $0 0
(Direct)
View
2021-06-03
Exercise
2021-06-04
7:35 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Petersen Floyd F.
Director
10,000 $16.43 83,354
(Direct)
View
2021-06-03
Exercise
2021-06-04
7:35 pm
N/A
2021-06-09
Amphastar Pharmaceuticals Inc. AMPH Petersen Floyd F.
Director
10,000 $0 15,827
(Direct)
View
2021-06-04
Tax Withholding
2021-06-08
7:10 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
264 $18.79 54,703
(Direct)
View
2021-06-07
Option Award
2021-06-08
8:51 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Deflin Gayle
Director
6,019 $0 6,019
(Direct)
View
2021-06-07
Option Award
2021-06-08
8:51 pm
N/A
2029-06-07
Amphastar Pharmaceuticals Inc. AMPH Deflin Gayle
Director
17,182 $0 17,182
(Direct)
View
2021-06-07
Option Award
2021-06-08
8:52 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Gerst Diane G.
Director
3,009 $0 8,679
(Direct)
View
2021-06-07
Option Award
2021-06-08
8:52 pm
N/A
2029-06-07
Amphastar Pharmaceuticals Inc. AMPH Gerst Diane G.
Director
8,592 $0 8,592
(Direct)
View
2021-06-07
Option Award
2021-06-08
8:55 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Koo Richard
Director
6,019 $0 259,289
(Direct)
View
2021-06-07
Option Award
2021-06-08
8:55 pm
N/A
2029-06-07
Amphastar Pharmaceuticals Inc. AMPH Koo Richard
Director
17,182 $0 17,182
(Direct)
View
2021-06-07
Exercise
2021-06-08
8:56 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Lee Howard
Director
7,827 $16.43 140,741
(Direct)
View
2021-06-07
Option Award
2021-06-08
8:56 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Lee Howard
Director
6,019 $0 138,933
(Direct)
View
2021-06-07
Exercise
2021-06-08
8:56 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Lee Howard
Director
8,000 $16.43 146,933
(Direct)
View
2021-06-07
Disposition
2021-06-08
8:56 pm
N/A
2021-06-09
Amphastar Pharmaceuticals Inc. AMPH Lee Howard
Director
7,827 $0 8,000
(Direct)
View
2021-06-07
Option Award
2021-06-08
8:56 pm
N/A
2029-06-07
Amphastar Pharmaceuticals Inc. AMPH Lee Howard
Director
17,182 $0 17,182
(Direct)
View
2021-06-07
Disposition
2021-06-08
8:56 pm
N/A
2021-06-09
Amphastar Pharmaceuticals Inc. AMPH Lee Howard
Director
8,000 $0 0
(Direct)
View
2021-06-07
Option Award
2021-06-08
8:57 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Maris David
Director
6,019 $0 19,170
(Direct)
View
2021-06-07
Option Award
2021-06-08
8:57 pm
N/A
2029-06-07
Amphastar Pharmaceuticals Inc. AMPH Maris David
Director
17,182 $0 17,182
(Direct)
View
2021-06-07
Exercise
2021-06-08
8:58 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Petersen Floyd F.
Director
15,827 $16.43 89,181
(Direct)
View
2021-06-07
Option Award
2021-06-08
8:58 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Petersen Floyd F.
Director
6,019 $0 79,373
(Direct)
View
2021-06-07
Exercise
2021-06-08
8:58 pm
N/A
2021-06-09
Amphastar Pharmaceuticals Inc. AMPH Petersen Floyd F.
Director
15,827 $0 0
(Direct)
View
2021-06-07
Option Award
2021-06-08
8:58 pm
N/A
2029-06-07
Amphastar Pharmaceuticals Inc. AMPH Petersen Floyd F.
Director
17,182 $0 17,182
(Direct)
View
2021-06-04
Exercise
2021-06-08
8:59 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PRINS RICHARD K
Director
5,000 $16.43 44,160
(Direct)
View
2021-06-04
Exercise
2021-06-08
8:59 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PRINS RICHARD K
Director
5,000 $16.43 44,160
(Direct)
View
2021-06-04
Option Award
2021-06-08
8:59 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH PRINS RICHARD K
Director
6,019 $0 45,179
(Direct)
View
2021-06-04
Exercise
2021-06-08
8:59 pm
N/A
2021-06-09
Amphastar Pharmaceuticals Inc. AMPH PRINS RICHARD K
Director
5,000 $0 5,000
(Direct)
View
2021-06-04
Exercise
2021-06-08
8:59 pm
N/A
2021-06-09
Amphastar Pharmaceuticals Inc. AMPH PRINS RICHARD K
Director
5,000 $0 0
(Direct)
View
2021-06-04
Option Award
2021-06-08
8:59 pm
N/A
2029-06-07
Amphastar Pharmaceuticals Inc. AMPH PRINS RICHARD K
Director
17,182 $0 17,182
(Direct)
View
2021-06-07
Option Award
2021-06-08
9:01 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH ZASLOFF MICHAEL A
Director
6,019 $0 47,206
(Direct)
View
2021-06-07
Option Award
2021-06-08
9:01 pm
N/A
2029-06-07
Amphastar Pharmaceuticals Inc. AMPH ZASLOFF MICHAEL A
Director
17,182 $0 17,182
(Direct)
View
2021-06-08
Exercise
2021-06-10
4:45 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
8,180 $14.23 99,156
(Direct)
View
2021-06-08
Exercise
2021-06-10
4:45 pm
N/A
2021-12-22
Amphastar Pharmaceuticals Inc. AMPH Zhou Rong
VP
8,180 $0 0
(Direct)
View
2021-06-12
Tax Withholding
2021-06-14
4:06 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Lee Howard
Director
157 $19.92 138,776
(Direct)
View
2021-06-14
Tax Withholding
2021-06-15
4:20 pm
N/A
N/A
Amphastar Pharmaceuticals Inc. AMPH Liawatidewi Yakob
VP
128 $19.68 54,575
(Direct)
View
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