Form 4 filings across 1 company. Net figures count open-market buys and sales only. EDGAR profile ↗
Lifetime net: $0
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 14 most recent Form 4 transactions.
| Mar 10 | AMPH | Amphastar Pharmaceuticals,… | FTAX | 4,395 | $18.91 | $83.1K | -0.4% | Open the original filing on SEC.gov |
| Mar 10 | AMPH | Amphastar Pharmaceuticals,… | FTAX | 14,785 | $18.91 | $279.6K | -0.5% | Open the original filing on SEC.gov |
| Mar 9 | AMPH | Amphastar Pharmaceuticals,… | AGRANT◆ | 149,472 | — | — | — | Open the original filing on SEC.gov |
| Mar 9 | AMPH | Amphastar Pharmaceuticals,… | AGRANT◆ | 372,338 | — | — | — | Open the original filing on SEC.gov |
| Mar 9 | AMPH | Amphastar Pharmaceuticals,… | AGRANT | 72,462 | — | — | +6.1% | Open the original filing on SEC.gov |
| Mar 9 | AMPH | Amphastar Pharmaceuticals,… | AGRANT | 180,504 | — | — | +6.4% | Open the original filing on SEC.gov |
| Mar 6 | AMPH | Amphastar Pharmaceuticals,… | FTAX | 3,077 | $19.34 | $59.5K | -0.3% | Open the original filing on SEC.gov |
| Mar 6 | AMPH | Amphastar Pharmaceuticals,… | FTAX | 7,773 | $19.34 | $150.3K | -0.3% | Open the original filing on SEC.gov |
| Mar 4 | AMPH | Amphastar Pharmaceuticals,… | FTAX | 2,432 | $19.96 | $48.5K | -0.2% | Open the original filing on SEC.gov |
| Mar 4 | AMPH | Amphastar Pharmaceuticals,… | FTAX | 5,769 | $19.96 | $115.1K | -0.2% | Open the original filing on SEC.gov |
| Jun 13, 2025 | AMPH | Amphastar Pharmaceuticals,… | MEXER◆ | 200,000 | — | — | — | Open the original filing on SEC.gov |
| Jun 13, 2025 | AMPH | Amphastar Pharmaceuticals,… | MEXER | 200,000 | $13.03 | $2.6M | +7.5% | Open the original filing on SEC.gov |