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AMPH Sale Disclosure
Prins Richard K · SEC Form 4 · Filed Aug 12, 2026
Sale
Calculated transaction value
$161.85K
Prins Richard K Director
AMPH
Transaction date
Aug 11, 2026
Public filing date
Aug 12, 2026
Filing lag
Filed 1 day later
AMPH daily price context
Close on/before transaction
$20.42
Aug 11, 2026
First close after public filing
$20.18
Aug 13, 2026
30-day return after filing
+17.84%
Through Sep 11, 2026
Source details
- Reported owner
- Not disclosed
- Source asset code
- Security
- Security
- Common Stock
- Quantity / price
- 7,973 shares @ $20.3
- SEC ownership
- Direct
- Transaction code
- S
- Form
- 4
- Filing identifier
- 0001047579-26-000005
Filing cohort
Transactions in this filing
Showing 1 of 1
Trades
1
Issuers
1
Estimated value
$161.85K
Buys / sales
0 / 1
| Issuer | Transaction | Traded | Value |
|---|---|---|---|
| Amphastar Pharmaceuticals, Inc. AMPH Current | Sale | Aug 11, 2026 | $161.85K |