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AMPH Exercise Disclosure
Zhou Rong · SEC Form 4 · Filed Sep 17, 2026
Exercise
Calculated transaction value
$133.5K
Zhou Rong Senior EVP, Production Center
AMPH
Transaction date
Sep 16, 2026
Public filing date
Sep 17, 2026
Filing lag
Filed 1 day later
AMPH daily price context
Close on/before transaction
$23.95
Sep 16, 2026
First close after public filing
$23.62
Sep 18, 2026
30-day return after filing
+10.67%
Through Oct 19, 2026
Source details
- Reported owner
- Not disclosed
- Source asset code
- Security
- Security
- Common Stock
- Quantity / price
- 10,000 shares @ $13.35
- SEC ownership
- Direct
- Transaction code
- M
- Form
- 4
- Filing identifier
- 0001645326-26-000014
Filing cohort
Transactions in this filing
Showing 3 of 3
Trades
3
Issuers
1
Estimated value
$372.9K
Buys / sales
0 / 1
| Issuer | Transaction | Traded | Value |
|---|---|---|---|
| Amphastar Pharmaceuticals, Inc. AMPH | Exercise | Sep 16, 2026 | $0 |
| Amphastar Pharmaceuticals, Inc. AMPH Current | Exercise | Sep 16, 2026 | $133.5K |
| Amphastar Pharmaceuticals, Inc. AMPH | Sale | Sep 16, 2026 | $239.4K |