Officer sold
~$256KReported value · 9,787 sh @ $26.20
Amphstar Pharmaceuticals's SENIOR EVP, PRODUCTION CENTER sold $256K of Amphstar Pharmaceuticals shares. Nobody planned it ahead of time.
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Traded Dec 17, 2025 · Filed Dec 18, 2025
Derivative exercise or conversion — not an open-market buy.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
option exercise
Code M — exercise or conversion of a derivative security
Footnote references an employee stock purchase plan
Only flagged when a footnote says so; never inferred
Amphstar Pharmaceuticals's SENIOR EVP, PRODUCTION CENTER sold $256K of Amphstar Pharmaceuticals shares. Nobody planned it ahead of time.
Derivative exercise or conversion — not an open-market buy.
A board member of Amphstar Pharmaceuticals sold $45K of Amphstar Pharmaceuticals shares. Nobody planned it ahead of time.