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AMPH

Amphastar Pharmaceuticals, Inc. SEC filings
Pharmaceutical Preparations · Nasdaq
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Filing history
2026-11-06
Insider trade 4
Filing ↗
2026-11-05
Quarterly report 10-Q
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2026-11-05
Current report 8-K
Earnings results
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2026-11-05
Planned insider sale 144
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2026-11-04
Planned insider sale 144
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2026-09-23
Insider trade 4
Filing ↗
2026-09-21
Planned insider sale 144
Filing ↗
2026-09-17
Insider trade 4
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2026-09-03
Insider trade 4
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2026-09-01
Planned insider sale 144
Filing ↗
2026-08-18
Planned insider sale 144
Filing ↗
2026-08-12
Insider trade 4
Filing ↗
2026-08-11
Insider trade 4
Filing ↗
2026-08-11
Planned insider sale 144
Filing ↗
2026-08-07
Planned insider sale 144
Filing ↗
2026-08-06
Quarterly report 10-Q
Filing ↗
2026-08-06
Current report 8-K
Earnings results
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2026-07-14
Passive 5%+ stake SCHEDULE 13G
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2026-07-13
Insider trade 4
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2026-07-13
New insider's holdings 3
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2026-07-13
Current report 8-K
Exec/director change
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2026-07-08
Current report 8-K
Other event
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2026-06-03
Insider trade 4
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2026-06-03
Insider trade 4
Filing ↗
2026-06-03
Insider trade 4
Filing ↗
2026-06-03
Insider trade 4
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2026-06-03
Insider trade 4
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2026-06-03
Insider trade 4
Filing ↗
2026-06-03
Current report 8-K
Shareholder vote
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2026-05-07
Quarterly report 10-Q
Filing ↗
2026-05-07
Current report 8-K
Earnings results
Filing ↗
2026-04-13
Annual report to shareholders ARS
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2026-04-13
Proxy material DEFA14A
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2026-04-13
Proxy statement (shareholder vote) DEF 14A
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2026-03-26
Passive 5%+ stake update SCHEDULE 13G/A
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2026-03-17
Insider trade 4
Filing ↗
2026-03-17
Insider trade 4
Filing ↗
2026-03-17
Insider trade 4
Filing ↗
2026-03-17
Insider trade 4
Filing ↗
2026-03-16
Current report 8-K
Other event
Filing ↗