Insider Trading & Ownership - Koo Richard

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"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>>
Time period
Insider Trading Transactions for Koo Richard
Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2021-06-01
Sale
2021-06-02
7:34 pm
Amphastar Pharmaceuticals Inc.AMPHKoo Richard
Director
25,827$19.28$498,009263,270
(Indirect
Direct)
View
2020-05-27
Sale
2020-05-28
4:05 pm
Amphastar Pharmaceuticals Inc.AMPHKoo Richard
Director
47,782$18.18$868,892257,419
(Indirect
Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2021-06-07
Option Award
2021-06-08
8:55 pm
N/A
2029-06-07
Amphastar Pharmaceuticals Inc.AMPHKoo Richard
Director
23,201$0286,471
(Direct)
View
2021-06-01
Exercise
2021-06-02
7:34 pm
N/A
2021-06-09
Amphastar Pharmaceuticals Inc.AMPHKoo Richard
Director
25,827$0263,270
(Direct)
View
2021-06-01
Exercise
2021-06-02
7:34 pm
N/A
N/A
Amphastar Pharmaceuticals Inc.AMPHKoo Richard
Director
25,827$16.43263,270
(Direct)
View
2020-06-08
Option Award
2020-06-09
8:21 pm
N/A
2028-06-08
Amphastar Pharmaceuticals Inc.AMPHKoo Richard
Director
21,855$0279,274
(Direct)
View
2020-05-27
Exercise
2020-05-28
4:05 pm
N/A
2020-05-27
Amphastar Pharmaceuticals Inc.AMPHKoo Richard
Director
47,782$0257,419
(Direct)
View
2020-05-27
Exercise
2020-05-28
4:05 pm
N/A
N/A
Amphastar Pharmaceuticals Inc.AMPHKoo Richard
Director
47,782$15.11257,419
(Direct)
View