FP
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. Data as of Nov 8 2026.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
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no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
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returns measure stock purchases only
Filings, ttm
1
0 buys · 1 sells
Median delay
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measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
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no filings in the window
Last traded
Nov 13 2025
Filed Nov 17 2025
Median ADV $12.0M across their filed names
Open performance→Volume by month
Buys $0
Sells $442K
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Healthcare
1 filing
Sector per market data · by filing · past 12 months
Most traded names
AMPH
Amphastar Pharmaceuticals, Inc.
AMPH · 0 buys · 1 sell
1 filing
Recent filings
AMPHSALE
Amphastar Pharmaceuticals, Inc.
View filing →
$442K16,679 sh × $26.49
Exec Nov 13 2025
Filed Nov 17 2025 · 5:30 PM ET