Senior insider sale
SENIOR EVP, PRODUCTION CENTER at AMPHASTAR PHARMACEUTICALS, INC. — senior position signals high conviction
$290.1K
13.19K shares
What this filing means
ZHOU RONG plans to sell 13.19K shares of AMPHASTAR PHARMACEUTICALS, INC. valued at approximately $290.1K. 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: 9/1/2026ACC: 0001969223-26-000982
Officer· SENIOR EVP, PRODUCTION CENTER
Since Mar 2026
13.19K
Shares to sell
$290.1K
Approx. market value
13.19K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months6
Option Exercise
Cash
9/1/2026
10KESPP
Cash
5/31/2023
690.00ESPP
Cash
11/30/2022
146.00ESPP
Cash
5/31/2022
981.00ESPP
Cash
11/30/2021
360.00ESPP
Cash
5/31/2021
1.01KTotal acquired13.19K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
9/1/2026 | Option Exercise Cash | 10K | — |
5/31/2023 | ESPP Cash | 690.00 | — |
11/30/2022 | ESPP Cash | 146.00 | — |
5/31/2022 | ESPP Cash | 981.00 | — |
11/30/2021 | ESPP Cash | 360.00 | — |
5/31/2021 | ESPP Cash | 1.01K | — |
| Total | 13.19K | ||
Planned & Completed Dispositions1
NASDAQPlanned
Units to sell
13.19K
Market value
$290.1K
9/1/2026
Total
Units
13.19K
Value
$290.1K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
9/1/2026 | 13.19K | $290.1K | NASDAQ | Planned |
| Total | 13.19K | $290.1K | ||