Insider filing · AMPH
Floyd F. Petersen sold $442K of Amphastar Pharmaceuticals (AMPH)
Executed Nov 13 2025, disclosed Nov 17 2025, 4 days later.
Value, as filed
$442K
16,679 sh × $26.49
Executed
Nov 13 2025
the trade date, as filed
Disclosed
Nov 17 2025
4 days after the trade
Return, 21 sessionsiFrom the disclosed entry session; derived
–
purchases only
Returns are measured on stock purchases only.
The filer
FP
Floyd F. Petersen
Director
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Floyd F. Petersen (Director) filed 1 Form 4 report in the trailing twelve months (0 purchases, 1 sale), most often in Amphastar Pharmaceuticals, Inc. (AMPH). The largest single filing was $442K of AMPH (16,679 sh × $26.49, as filed), executed Nov 13 2025.
The name
AMPH
Amphastar Pharmaceuticals, Inc.
AMPH · Healthcare · 13 filings in 24 months
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Healthcare · Amphastar Pharmaceuticals, Inc., a bio-pharmaceutical company, develops, manufactures, markets, and sells generic and proprietary injectabl…
More Healthcare filings→ Insider filings, newest first→ View the original filing at www.sec.gov→