Jack Zhang

Track

Insider profile

Currently holds a position at Amphastar Pharmaceuticals Inc

Performance

Overall performance
2.9
Performance over holding periods
2.9
30 days 90 days 120 days
Average return 5% 8.2% 15.1%
Success rate 100% 68% 82%
Transactions
1 0% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance

Positions

Position Company Period
President, Chief Executive Officer, Chief Scientific Officer, Director Amphastar Pharmaceuticals Inc April 13, 2020 -
Chief Executive Officer, Chief Scientific Officer, Director Amphastar Pharmaceuticals Inc June 1, 2013 - April 13, 2020
President, Chief Executive Officer, Chief Scientific Officer, Director Amphastar Pharmaceuticals Inc Jan. 1, 2005 - June 1, 2013
Chief Executive Officer, Director Amphastar Pharmaceuticals Inc Jan. 1, 2005 - Jan. 1, 1996
Jack Zhang's trades of Amphastar Pharmaceuticals Inc's stock


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2022-05-23 2022-05-20
PlS Planned sale
96,920 -45.5%
112.70
US$3,504,575 		96,920 -45.5% 112.70 US$3,504,575
2022-05-20 2022-05-19
PlS Planned sale
55,641 -9.5%
421.34
US$2,056,193 		55,641 -9.5% 421.34 US$2,056,193
2022-05-20 2022-05-19
PlS Planned sale
50,139 -40.8%
62.13
US$1,651,952 		50,139 -40.8% 62.13 US$1,651,952
2022-05-20 2022-05-18
PlS Planned sale
2,006 -0.1%
35.78
US$71,779 		2,006 -0.1% 35.78 US$71,779
2022-05-20 2022-05-18
PlS Planned sale
9,776 -0.5%
34.77
US$339,926 		9,776 -0.5% 34.77 US$339,926
2022-05-20 2022-05-18
PlS Planned sale
55,264 -2.5%
33.97
US$1,877,395 		55,264 -2.5% 33.97 US$1,877,395
2022-05-18 2022-05-17
PlS Planned sale
2,837 -0.1%
36.14
US$102,534 		2,837 -0.1% 36.14 US$102,534
2022-05-18 2022-05-17
PlS Planned sale
47,539 -2.1%
35.74
US$1,698,906 		47,539 -2.1% 35.74 US$1,698,906
2022-05-18 2022-05-16
PlS Planned sale
13,795 -0.6%
36.41
US$502,269 		13,795 -0.6% 36.41 US$502,269
2022-05-18 2022-05-16
PlS Planned sale
54,274 -2.3%
35.58
US$1,931,188 		54,274 -2.3% 35.58 US$1,931,188
2021-02-18 2021-02-18
PlS Planned sale
407 -0.0%
18.58
US$7,562 		407 -0.0% 18.58 US$7,562
2021-02-18 2021-02-17
PlS Planned sale
13,801 -0.2%
18.67
US$257,723 		13,801 -0.2% 18.67 US$257,723
2021-02-18 2021-02-16
PlS Planned sale
16,259 -0.2%
18.51
US$301,031 		16,259 -0.2% 18.51 US$301,031
2021-02-12 2021-02-12
PlS Planned sale
13,277 -0.2%
18.94
US$251,522 		13,277 -0.2% 18.94 US$251,522
2021-02-12 2021-02-11
PlS Planned sale
19,823 -0.3%
19.06
US$377,884 		19,823 -0.3% 19.06 US$377,884
2021-02-12 2021-02-10
PlS Planned sale
15,747 -0.2%
18.76
US$295,344 		15,747 -0.2% 18.76 US$295,344
2021-02-09 2021-02-09
PlS Planned sale
11,927 -0.2%
18.93
US$225,776 		11,927 -0.2% 18.93 US$225,776
2021-02-09 2021-02-08
PlS Planned sale
13,452 -0.2%
18.89
US$254,049 		13,452 -0.2% 18.89 US$254,049
2021-02-09 2021-02-05
PlS Planned sale
15,507 -0.2%
18.94
US$293,721 		15,507 -0.2% 18.94 US$293,721
2021-02-05 2021-02-04
PlS Planned sale
25,570 -0.4%
18.89
US$483,020 		25,570 -0.4% 18.89 US$483,020
2021-02-05 2021-02-03
PlS Planned sale
16,299 -0.2%
18.36
US$299,323 		16,299 -0.2% 18.36 US$299,323
2021-02-03 2021-02-02
PlS Planned sale
13,817 -0.2%
18.66
US$257,821 		13,817 -0.2% 18.66 US$257,821
2021-02-03 2021-02-01
PlS Planned sale
24,114 -0.3%
18.29
US$441,120 		24,114 -0.3% 18.29 US$441,120
2019-09-12 2019-09-11
S Sale
300,000 -4.1%
20.82
US$6,246,000 		300,000 -4.1% 20.82 US$6,246,000