Senior insider sale
AMPHASTAR PHARMACEUTICALS, INC. — senior position signals high conviction
$845.7K
23.58K shares
What this filing means
PETERSEN FLOYD F. plans to sell 23.58K shares of AMPHASTAR PHARMACEUTICALS, INC. valued at approximately $845.7K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 12/11/2025ACC: 0001969223-25-001078
Director
Since Dec 2018
23.58K
Shares to sell
$845.7K
Approx. market value
4.16K
Acquired (3 months)
1
Planned
4 completed
Securities Acquired — Last 3 Months1
RSU Vesting
N/A
6/10/2023
4.16KTotal acquired4.16K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
6/10/2023 | RSU Vesting N/A | 4.16K | — |
| Total | 4.16K | ||
Planned & Completed Dispositions5
Completed
—Completed
Units to sell
1.74K
Market value
$44.6K
12/11/2025
—Completed
Units to sell
16.68K
Market value
$441.8K
11/13/2025
—Completed
Units to sell
500.00
Market value
$12.6K
11/3/2025
—Completed
Units to sell
500.00
Market value
$13.6K
10/1/2025
Planned — Approximate Date
NASDAQPlanned
Units to sell
4.16K
Market value
$333.0K
12/11/2025
Total
Units
23.58K
Value
$845.7K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
12/11/2025 | 1.74K | $44.6K | — | Completed |
11/13/2025 | 16.68K | $441.8K | — | Completed |
11/3/2025 | 500.00 | $12.6K | — | Completed |
10/1/2025 | 500.00 | $13.6K | — | Completed |
| Planned — Approximate Date | ||||
12/11/2025 | 4.16K | $333.0K | NASDAQ | Planned |
| Total | 23.58K | $845.7K | ||