PETERS WILLIAM J (CFO, EVP & TREASURER) sold 2.4% of their position (4.14K shares) of AMPHASTAR PHARMACEUTICALS, INC. on the open market
Open‑market sale worth $103.5K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 9/23/2026ACC: 0001263136-26-000014
DirectorOfficer· CFO, EVP & TREASURER
Since Mar 2026
-4.14K
Net shares
Net seller
$103.5K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
4.14K disposed
Non-Derivative Transactions1
Common Stock
Direct
Shares
−4.14K
Price / share
$25.00
Trade value
$103.47K
% of position
2.4%
9/21/2026
172.85K→168.71K
Total
Net shares
−4.14K
Net value
-$103.47K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 9/21/2026 | S · Sale | −4.14K | $25.00 | $103.47K | 2.4% | 172.85K | 168.71K |
| Total | −4.14K | -$103.47K | ||||||
Derivative Transactions0
No derivative transactions reported