Officer received an award of 81K AMPH derivative securities | 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
- Mar 9, 2026
- Reporting period
- Not applicable
- Filed with the SEC
- Mar 12, 2026
OfficerGrant / 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
- 0001645326-26-000008
- Filed / recorded
Added to OQROOct 6, 2026, 9:54 PM UTC Data qualityVerified: identifiers matched exactly IssuerAmphastar Pharmaceuticals, Inc. Reporting personRong Zhou Officer titleSENIOR EVP, PRODUCTION CENTER SecurityEmployee Stock Option (right to buy) TableDerivative (Table II) Transaction dateMar 9, 2026 Acquired / disposedAcquired (A) Footnotes from the filing
- The shares subject to the option vest in four equal annual installments beginning on March 9, 2027.
Around the same time
Traded Mar 15 · filed 3 days later
Routine share withholding; mechanical by default.
Traded Mar 15 · filed 2 days later
Routine share withholding; mechanical by default.
Traded Mar 15 · filed 2 days later
Routine share withholding; mechanical by default.