1,744 AMPH shares were withheld to cover taxes or exercise cost (CFO) | OQRO Insider tradesWhy it stands out
Routine share withholding; mechanical by default.
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 4, 2026
- Reporting period
- Not applicable
- Filed with the SEC
- Mar 7, 2026
CFOTax withholding
Context
- Classification
tax withholding
Code F — shares delivered to pay exercise price or tax liability
- Planned / mechanical clue
Tax mechanics (code F)
Only flagged when a footnote says so; never inferred
Source receipt
- Record ID
- 0001263136-26-000003
Added to OQROOct 6, 2026, 9:54 PM UTC Data qualityVerified: identifiers matched exactly IssuerAmphastar Pharmaceuticals, Inc. Reporting personWilliam J Peters RelationshipDirector, Officer Officer titleCFO, EVP & TREASURER TableNon-derivative (Table I) Transaction dateMar 4, 2026 Acquired / disposedDisposed (D) Shares owned after123,786 Footnotes from the filing
- The reported shares were withheld to satisfy the reporting person's tax liability in connection with the vesting of restricted stock units, or RSUs.
- Includes 545 shares acquired on May 31, 2025 under the Issuer's 2014 Employee Stock Purchase Plan.
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.