4//SEC Filing
Koo Richard 4
Accession 0001104659-18-072627
CIK 0001297184other
Filed
Dec 11, 7:00 PM ET
Accepted
Dec 12, 8:39 PM ET
Size
9.4 KB
Accession
0001104659-18-072627
Insider Transaction Report
Form 4
Koo Richard
Director
Transactions
- Exercise/Conversion
Common Stock
2018-12-11$14.66/sh+29,278$429,215→ 271,206 total - Sale
Common Stock
2018-12-11$21.32/sh−29,278$624,075→ 241,928 total - Exercise/Conversion
Stock Option (right to buy)
2018-12-11−29,278→ 0 totalExercise: $14.66Exp: 2018-12-20→ Common Stock (29,278 underlying)
Holdings
- 10,000(indirect: See footnote)
Common Stock
Footnotes (3)
- [F1]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.06 to $21.66, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.
- [F2]The reported shares are held directly by Richard Y. Koo, a sole proprietorship, for which the Reporting Person is the sole owner.
- [F3]Shares subject to the option are fully vested and immediately exercisable.
Documents
Issuer
Amphastar Pharmaceuticals, Inc.
CIK 0001297184
Entity typeother
Related Parties
1- filerCIK 0001611219
Filing Metadata
- Form type
- 4
- Filed
- Dec 11, 7:00 PM ET
- Accepted
- Dec 12, 8:39 PM ET
- Size
- 9.4 KB