Director received an award of 8,143 AMPH shares | OQRO Insider tradesWhy it stands out
Compensation award — excluded from discretionary-purchase analysis.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
All the details
Dates, kept separate
- Transaction date
- Jun 1, 2026
- Reporting period
- Not applicable
- Filed with the SEC
- Jun 4, 2026
DirectorGrant / award
Context
- Classification
grant award
Code A — grant or award
- Planned / mechanical clue
Footnote references vesting of compensation awards
Only flagged when a footnote says so; never inferred
Source receipt
- Record ID
- 0001047579-26-000003
- Filed / recorded
Added to OQROOct 6, 2026, 9:54 PM UTC Data qualityVerified: identifiers matched exactly IssuerAmphastar Pharmaceuticals, Inc. Reporting personRichard K Prins TableNon-derivative (Table I) Transaction dateJun 1, 2026 Acquired / disposedAcquired (A) Footnotes from the filing
- The reported shares are represented by restricted stock units, or RSUs, all of which vest on June 1, 2027.
Around the same time
Gift or transfer — classified separately from trades.
Compensation award — excluded from discretionary-purchase analysis.
Compensation award — excluded from discretionary-purchase analysis.