ZHANG JACK Y. (CEO & CHIEF SCIENTIFIC OFFICER) reported 2 transactions at AMPHASTAR PHARMACEUTICALS, INC.
Review the transaction codes below to understand the nature of each event.
Filed: 3/17/2026ACC: 0000889740-26-000007
DirectorOfficer10% Owner· CEO & CHIEF SCIENTIFIC OFFICER
Since Mar 2026
-12.69K
Net shares
Net seller
$230.7K
Total sold
0
Open market trades
0B · 0S
2
Total transactions
12.69K disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
−9.78K
Price / share
$18.18
Trade value
$177.87K
% of position
0.3%
3/15/2026
3M→2.99M
Common Stock
Indirect
Shares
−2.91K
Price / share
$18.18
Trade value
$52.87K
% of position
0.2%
3/15/2026
1.25M→1.25M
Total
Net shares
−12.69K
Net value
-$230.74K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 3/15/2026 | F · Tax Withholding | −9.78K | $18.18 | $177.87K | 0.3% | 3M | 2.99M |
| Common Stock Indirect | 3/15/2026 | F · Tax Withholding | −2.91K | $18.18 | $52.87K | 0.2% | 1.25M | 1.25M |
| Total | −12.69K | -$230.74K | ||||||
Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1
Common Stock
IndirectShares owned6.83M
Total
6.83M indirect6.83M
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 6.83M | Indirect |
| Total | 6.83M | 6.83M indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported