Form 4 filings across 1 company. Net figures count open-market buys and sales only. EDGAR profile ↗
Lifetime net: -$256.4K
Reported holding is the most recent post-transaction share count on a Table I row.
How quickly this filer reports. Section 16 allows two business days from the transaction.
All 5 filings we hold were filed within the two-business-day deadline.
Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings
The 9 most recent Form 4 transactions.
| Mar 9 | AMPH | Amphastar Pharmaceuticals,… | AGRANT◆ | 81,341 | — | — | — | Open the original filing on SEC.gov |
| Mar 9 | AMPH | Amphastar Pharmaceuticals,… | AGRANT | 39,432 | — | — | +29.1% | Open the original filing on SEC.gov |
| Mar 6 | AMPH | Amphastar Pharmaceuticals,… | FTAX | 1,357 | $19.34 | $26.2K | -1.0% | Open the original filing on SEC.gov |
| Mar 4 | AMPH | Amphastar Pharmaceuticals,… | FTAX | 1,124 | $19.96 | $22.4K | -0.8% | Open the original filing on SEC.gov |
| Dec 17, 2025 | AMPH | Amphastar Pharmaceuticals,… | MEXER◆ | 9,787 | — | — | — | Open the original filing on SEC.gov |
| Dec 17, 2025 | AMPH | Amphastar Pharmaceuticals,… | SSELL | 9,787 | $26.20 | $256.4K | -6.6% | Open the original filing on SEC.gov |
| Dec 17, 2025 | AMPH | Amphastar Pharmaceuticals,… | MEXER | 9,787 | $11.33 | $110.9K | +7.1% | Open the original filing on SEC.gov |