Senior insider sale
AMPHASTAR PHARMACEUTICALS, INC. — senior position signals high conviction
$481.4K
19.42K shares
What this filing means
PETERSEN FLOYD F. plans to sell 19.42K shares of AMPHASTAR PHARMACEUTICALS, INC. valued at approximately $481.4K. 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: 12/10/2025ACC: 0001969223-25-001063
Director
Since Dec 2018
19.42K
Shares to sell
$481.4K
Approx. market value
1.74K
Acquired (3 months)
1
Planned
3 completed
Securities Acquired — Last 3 Months1
RSU Vesting
N/A
6/7/2022
1.74KTotal acquired1.74K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
6/7/2022 | RSU Vesting N/A | 1.74K | — |
| Total | 1.74K | ||
Planned & Completed Dispositions4
Completed
—Completed
Units to sell
16.68K
Market value
$411.8K
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
1.74K
Market value
$43.4K
12/10/2025
Total
Units
19.42K
Value
$481.4K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
11/13/2025 | 16.68K | $411.8K | — | Completed |
11/3/2025 | 500.00 | $12.6K | — | Completed |
10/1/2025 | 500.00 | $13.6K | — | Completed |
| Planned — Approximate Date | ||||
12/10/2025 | 1.74K | $43.4K | NASDAQ | Planned |
| Total | 19.42K | $481.4K | ||