PETERSEN FLOYD F. sold 18.1% of their position (16.68K shares) of AMPHASTAR PHARMACEUTICALS, INC. on the open market
Open‑market sale worth $441.8K — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 11/17/2025ACC: 0001611286-25-000009
Director
Since Dec 2018
-16.68K
Net shares
Net seller
$441.8K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
16.68K acquired · 33.36K disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+16.68K
Price / share
$16.69
Trade value
$278.37K
% of position
22.1%
11/13/2025
75.53K→92.21K
Common Stock
Direct
Shares
−16.68K
Price / share
$26.49
Trade value
$441.84K
% of position
18.1%
11/13/2025
92.21K→75.53K
Total
Net shares
+0.00
Net value
-$163.46K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 11/13/2025 | M · Option Exercise | +16.68K | $16.69 | $278.37K | 22.1% | 75.53K | 92.21K |
| Common Stock Direct | 11/13/2025 | S · Sale | −16.68K | $26.49 | $441.84K | 18.1% | 92.21K | 75.53K |
| Total | +0.00 | -$163.46K | ||||||
Derivative Transactions1
Stock Option (right to buy)
Direct
Converts to
Common Stock
16.68K shares
Shares
−16.68K
Strike price
16.69
Held after
0.00
Exercisable
—
11/13/2025
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Stock Option (right to buy) Direct | Common Stock16.68K shares | 11/13/2025 | M · Option Exercise | −16.68K | 16.69 | — | 0.00 |