Amphastar Pharmaceuticals, Inc. - AMPH

  1. All Sectors
  2. Manufacturing
  3. Chemicals
  4. Pharmaceutical Preparations
Latest data: 10/23/2026 10:01:30 PM
EDGAR CIK 0001297184

Buy Breakdown

Total $0

Sell Breakdown

Total $460,774

Monthly Totals

Transaction Filed Name Type Shares @ Price Value Balance change Ownership
09/21/2026
10b5-1
09/23/2026
Peters William J
CFO, EVP & TREASURER
CFO Director
Sell
-4,139 @ $25.00
($103,475.00)
 168,707 (-2.39%) Direct
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