Notice of Proposed Sale · 144
Amphastar Pharmaceuticals, Inc.
AMPHNASDAQEQUITYCurrent
Notice of Proposed Sale
Structured filing — 144
primary_doc.xml
Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.
Proposed-sale notice
- Issuer
- Amphastar Pharmaceuticals, Inc.
- Issuer CIK
- 0001297184
- SEC file number
- 001-36509
- Phone
- 909-980-9484
- Person for whose account securities are to be sold
- PETERS WILLIAM J
- Relationships to issuer
- Officer
- Street
- 11570 SIXTH STREET
- City
- RANCHO CUCAMONGA
- State / country code
- CA
- Postal code
- 91730
Securities proposed for sale
| Security | Proposed units | Aggregate market value | Units outstanding | Approximate sale date | Exchange | Broker / market maker |
|---|---|---|---|---|---|---|
| Common | 8,180 | 183,886.40 | 42,537,944 | 08/07/2026 | NASDAQ | UBS Financial Services, Inc. |
Broker / market maker — proposed row 1, entry 1
- Name
- UBS Financial Services, Inc.
- Street
- 1000 Harbor Blvd
- Street (continued)
- 3rd Floor
- City
- Weehawken
- State / country code
- NJ
- Postal code
- 07086
Acquisition of securities to be sold
| Security | Acquired | Nature of acquisition | Acquired from | Amount acquired | Gift transaction | Payment date | Nature of payment |
|---|---|---|---|---|---|---|---|
| Common | 03/15/2024 | RSU Vesting | Issuer | 3,213 | N | 03/15/2024 | NA |
| Common | 03/16/2024 | RSU Vesting | Issuer | 4,967 | N | 03/16/2024 | NA |
Prior-sale reporting
- Nothing to report for the preceding three months
- Y
Notice signature
- Notice date
- 08/07/2026
- Signed
- /s/ UBS Financial Services Inc, as attorney-in-fact for William J Peters
- Plan adoption dates
- 03/10/2026
Company context
Amphastar is a biopharmaceutical company that focuses on developing, manufacturing, and commercializing technically challenging generic and proprietary injectable, inhalation, and intranasal products. Additionally, the Company sells active pharmaceutical ingredient, or API products. Most of the Company’s finished products are contracted and distributed through group purchasing organizations, drug wholesalers, and drug retailers. More information and resources are available at www.amphastar.com.