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Amphastar Pharmaceuticals, Inc., a bio-pharmaceutical company, develops, manufactures, markets, and sells generic and proprietary injectable, inhalation, and intranasal products in the United States, China, and France. It offers Primatene Mist, an over-the-counter epinephrine inhalation product for the temporary relief of mild symptoms of intermittent asthma. The company also provides Amphadase, a bovine-sourced hyaluronidase injection to absorb and disperse other injected drugs.
Roles derived from SEC Form 4 filings.
Actuals from SEC filings; YoY vs the year-ago quarter. Analyst estimates & surprise require a data feed (coming soon).
| Line item | FY2020 | FY2021 | FY2022 | FY2023 | FY2024 | FY2025 |
|---|---|---|---|---|---|---|
| Revenue | $349.8M | $437.8M | $499.0M | $644.4M | $732.0M | $719.9M |
| Gross profit | $143.3M | $199.7M | $248.9M | $351.1M | $373.9M | $356.1M |
| Operating income | $11.0M | $69.9M | $107.5M | $197.0M | $205.4M | $140.4M |
| Net income | $1.4M | $62.1M | $91.4M | $137.5M | $159.5M | $98.1M |
| Diluted EPS | $0.03 | $1.25 | $1.74 | $2.60 | $3.06 | $2.03 |
| Operating cash flow | $57.3M | $98.0M | $89.2M | $183.5M | $213.4M | $156.1M |
| Free cash flow | $23.4M | $70.5M | $65.1M | $145.3M | $172.3M | $121.2M |
| Gross margin | 41.0% | 45.6% | 49.9% | 54.5% | 51.1% | 49.5% |
| Operating margin | 3.1% | 16.0% | 21.5% | 30.6% | 28.1% | 19.5% |
| Net margin | 0.4% | 14.2% | 18.3% | 21.3% | 21.8% | 13.6% |
| Line item | Q2 '24 | Q3 '24 | Q4 '24 | Q1 '25 | Q2 '25 | Q3 '25 | Q4 '25 | Q1 '26 |
|---|---|---|---|---|---|---|---|---|
| Revenue | $182.4M | $191.2M | $186.5M | $170.5M | $174.4M | $191.8M | $183.1M | $171.2M |
| Gross profit | $95.2M | $101.9M | $86.6M | $85.3M | $86.5M | $98.6M | $85.7M | $70.3M |
| Operating income | $55.2M | $57.0M | $45.1M | $37.3M | $42.2M | $25.3M | $35.6M | $13.6M |
| Net income | $37.9M | $40.4M | $38.0M | $25.3M | $31.0M | $17.4M | $24.4M | $6.4M |
| Diluted EPS | $0.73 | $0.78 | $0.74 | $0.51 | $0.64 | $0.37 | $0.51 | $0.14 |
| Operating cash flow | $69.1M | $60.0M | $29.0M | $35.1M | $35.6M | $52.6M | $32.9M | $47.8M |
| Free cash flow | $63.1M | $46.2M | $16.6M | $24.4M | $25.0M | $47.2M | $24.6M | $38.3M |
| Gross margin | 52.2% | 53.3% | 46.5% | 50.0% | 49.6% | 51.4% | 46.8% | 41.1% |
| Operating margin | 30.3% | 29.8% | 24.2% | 21.9% | 24.2% | 13.2% | 19.4% | 8.0% |
| Net margin | 20.8% | 21.1% | 20.4% | 14.8% | 17.8% | 9.0% | 13.3% | 3.8% |
Consensus revenue & EPS estimates and price targets will appear here once a forward-estimates data feed is connected.
| Date | Insider | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|
| 2026-07-09 | Pierce Anthony T | Award | 7,886 | $0.00 | $0.00 | filing |
| 2026-06-02 | Lee Howard | Tax withholding | 769 | $18.45 | $14,188.05 | filing |
| 2026-06-01 | ZASLOFF MICHAEL A | Award | 8,143 | $0.00 | $0.00 | filing |
| 2026-06-01 | Gerst Diane G. | Award | 8,143 | $0.00 | $0.00 | filing |
| 2026-06-01 | Gaugh David Russell | Award | 8,143 | $0.00 | $0.00 | filing |
| 2026-06-01 | Deflin Gayle | Award | 8,143 | $0.00 | $0.00 | filing |
| 2026-06-01 | Lee Howard | Award | 8,143 | $0.00 | $0.00 | filing |
| 2026-03-15 | Zhang Jack Y.· CEO & CHIEF SCIENTIFIC OFFICER | Tax withholding | 9,784 | $18.18 | $177,873.12 | filing |
| 2026-03-15 | Zhang Jack Y.· CEO & CHIEF SCIENTIFIC OFFICER | Tax withholding | 2,908 | $18.18 | $52,867.44 | filing |
| 2026-03-15 | PETERS WILLIAM J· CFO, EVP & TREASURER | Tax withholding | 1,973 | $18.18 | $35,869.14 | filing |
| 2026-03-15 | Zhou Rong· SENIOR EVP, PRODUCTION CENTER | Tax withholding | 1,225 | $18.18 | $22,270.50 | filing |
| 2026-03-15 | Liawatidewi Yakob· EVP CORP ADMIN CENTER | Tax withholding | 1,033 | $18.18 | $18,779.94 | filing |
| 2026-03-10 | PETERS WILLIAM J· CFO, EVP & TREASURER | Tax withholding | 3,297 | $18.91 | $62,346.27 | filing |
| 2026-03-10 | Zhou Rong· SENIOR EVP, PRODUCTION CENTER | Tax withholding | 2,215 | $18.91 | $41,885.65 | filing |
| 2026-03-09 | PETERS WILLIAM J· CFO, EVP & TREASURER | Award | 58,693 | $0.00 | $0.00 | filing |
| 2026-03-09 | Zhou Rong· SENIOR EVP, PRODUCTION CENTER | Award | 39,432 | $0.00 | $0.00 | filing |
| 2026-03-06 | PETERS WILLIAM J· CFO, EVP & TREASURER | Tax withholding | 2,146 | $19.34 | $41,503.64 | filing |
| 2026-03-04 | Zhang Jack Y.· CEO & CHIEF SCIENTIFIC OFFICER | Tax withholding | 5,769 | $19.96 | $115,149.24 | filing |
| 2026-03-04 | Zhang Jack Y.· CEO & CHIEF SCIENTIFIC OFFICER | Tax withholding | 2,432 | $19.96 | $48,542.72 | filing |
| 2026-03-04 | PETERS WILLIAM J· CFO, EVP & TREASURER | Tax withholding | 1,744 | $19.96 | $34,810.24 | filing |
| 2026-03-04 | Zhou Rong· SENIOR EVP, PRODUCTION CENTER | Tax withholding | 1,124 | $19.96 | $22,435.04 | filing |
| 2026-03-04 | Liawatidewi Yakob· EVP CORP ADMIN CENTER | Tax withholding | 965 | $19.96 | $19,261.40 | filing |
| 2025-12-17 | Zhou Rong· SENIOR EVP, PRODUCTION CENTER | Sale | 9,787 | $26.20 | $256,379.27 | filing |
| 2025-12-17 | Zhou Rong· SENIOR EVP, PRODUCTION CENTER | Option exercise | 9,787 | $11.33 | $110,886.71 | filing |
| 2025-12-12 | Petersen Floyd F. | Sale | 2,426 | $25.92 | $62,888.23 | filing |
Showing the latest 25 transactions — full history in the linked SEC filings.
Fundamentals & filings from SEC EDGAR. Prices adjusted for splits & dividends. Not investment advice.