Amphastar Pharmaceuticals, Inc. - AMPH

  1. All Sectors
  2. Manufacturing
  3. Chemicals
  4. Pharmaceutical Preparations
Latest data: 9/9/2026 10:01:45 PM
EDGAR CIK 0001297184

Buy Breakdown

Total $0

Sell Breakdown

Total $370,902

Monthly Totals

Transaction Filed Name Type Shares @ Price Value Balance change Ownership
09/02/2026
09/03/2026
Zhou Rong
SENIOR EVP, PRODUCTION CENTER
Officer
Sell
-3,187 @ $23.63
($75,305.94)
 169,203 (-1.85%) Direct
08/11/2026
08/12/2026
Prins Richard K
Director
Sell
-7,973 @ $20.30
($161,851.90)
 29,625 (-21.21%) Direct
12/12/2025
12/15/2025
Petersen Floyd F.
Director
Sell
-2,426 @ $25.92
($62,888.23)
 71,368 (-3.29%) Direct
12/11/2025
12/15/2025
Petersen Floyd F.
Director
Sell
-1,737 @ $25.69
($44,620.06)
 73,794 (-2.30%) Direct
11/03/2025
10b5-1
11/05/2025
Petersen Floyd F.
Director
Sell
-500 @ $25.27
($12,633.10)
 75,531 (-0.66%) Direct
10/01/2025
10b5-1
10/02/2025
Petersen Floyd F.
Director
Sell
-500 @ $27.20
($13,602.40)
 76,031 (-0.65%) Direct