PETERS WILLIAM J

PrivateCIK: 1263136
Location

RANCHO CUCAMONGA, CA

PETERS WILLIAM J (CFO, EVP & TREASURER) reported 1 transaction at AMPHASTAR PHARMACEUTICALS, INC.

Review the transaction codes below to understand the nature of each event.

InsiderPETERS WILLIAM JCIK 1263136
DirectorOfficer· CFO, EVP & TREASURER
Since Mar 2026
-2.15K
Net shares
Net seller
$41.5K
Total sold
0
Open market trades
0B · 0S
1
Total transactions
2.15K disposed
Non-Derivative Transactions1

Common Stock

Direct
F · Tax Withholding

Shares

2.15K

Price / share

$19.34

Trade value

$41.50K

% of position

1.7%
3/6/2026
123.79K121.64K
Total

Net shares

2.15K

Net value

-$41.50K

Derivative Transactions0
No derivative transactions reported
PETERS WILLIAM J — Insider Transaction (Form 4) Filed Mar 10, 2026 | Finecho