Key facts
- This page summarizes Richard Koo's Form 4 filing for Amphastar Pharmaceuticals, Inc. (AMPH).
- 2 reported transactions and 1 derivative row are listed below.
- Accepted by SEC: 08 Jun 2021, 20:55.
Richard Koo - 07 Jun 2021 Form 4 Insider Report for Amphastar Pharmaceuticals, Inc. (AMPH)
- Reporting relationship
- Director
- Issuer ticker
- AMPH
- Reported as of
- 07 Jun 2021
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 08 Jun 2021, 20:55:10 UTC
- Prior SEC filing
- 02 Jun 2021
- Source filing
- View source filing
- Reporting owner signature
- /s/ Eva Wen, by power of attorney
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Richard Koo filed Form 4 for Amphastar Pharmaceuticals, Inc. (AMPH) on 08 Jun 2021.
Change
- Previous filing in this sequence was filed on 02 Jun 2021.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
AMPH
transaction
Common Stock
Award
- Transaction value
- $0
- Shares
- +6,019
- Change %
- +2.4%
- Price
- $0.000000
- Shares after
- 259,289
- Date
- 07 Jun 2021
- Ownership
- Direct
- Footnotes
- F1
AMPH
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 10,000
- Date
- 07 Jun 2021
- Ownership
- See footnote
- Footnotes
- F2
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
AMPH
transaction
Derivative
Stock Option (right to buy)
Award
- Transaction value
- $0
- Shares
- +17,182
- Change %
- Price
- $0.000000
- Shares after
- 17,182
- Date
- 07 Jun 2021
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 17,182
- Exercise price
- $19.52
- Footnotes
- F3
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 3 footnotes
Footnote F1
The reported shares are represented by restricted stock units, or RSUs, all of which vest on June 7, 2022.
Footnote F2
The reported shares are held directly by Richard Y. Koo, a sole proprietorship, for which the Reporting Person is the sole owner.
Footnote F3
All of the shares subject to the option vest on June 7, 2022.