Amphastar Pharmaceuticals, Inc. AMPH
Set alert
27.72 USD +0.79 +2.93%
At close · Oct 30
27.72 0.00 0.00%
After hours · Oct 30, 4:00 PM ET
26.76 Day range 27.76
16.87 52-week range 29.40
- YTD
- +3.51%
- 1 year
- +12.41%
- Open
- 27.12
- Prev close
- 26.93
- Mkt cap
- 1.18B
- Vol
- 664.51K
- Avg vol
- 461.35K
- EPS
- 1.69
- P/E
- 16.40
- Div yield
- 0.00%
More statistics
- Low
- 26.76
- High
- 27.76
- Forward P/E
- 8.66
- Beta
- 0.90
- Short ratio
- 8.22
- Inst. own
- 68.40%
- Dividend
- 0.00
- Ex-div date
- Earnings
- Nov 5, 2026
- 50-d avg
- 24.64
- 200-d avg
- 22.25
- 1y target
- 22.50
5D chart
Signals (108)
| Name | Time | Ago |
|---|---|---|
| SMA: Bullish | Oct 30, 3:35 PM | 1 day ago |
| SMA: Bullish | Oct 30, 3:30 PM | 1 day ago |
| MACD: Buy Signal | Oct 30, 3:30 PM | 1 day ago |
| SMA: Bearish | Oct 30, 3:20 PM | 1 day ago |
| SMA: Bullish | Oct 30, 3:10 PM | 1 day ago |
| SMA: Bearish | Oct 30, 2:10 PM | 1 day ago |
| SMA: Bearish | Oct 30, 2:10 PM | 1 day ago |
| SMA: Bullish | Oct 30, 1:45 PM | 1 day ago |
| SMA: Bullish | Oct 30, 1:45 PM | 1 day ago |
| SMA: Bearish | Oct 30, 1:40 PM | 1 day ago |
| SMA: Bearish | Oct 30, 1:00 PM | 1 day ago |
| SMA: Bullish | Oct 30, 12:55 PM | 1 day ago |
| SMA: Bearish | Oct 30, 12:50 PM | 1 day ago |
| MACD: Sell Signal | Oct 30, 12:50 PM | 1 day ago |
| RSI: Overbought | Oct 30, 11:50 AM | 1 day ago |
| RSI: Overbought | Oct 30, 11:35 AM | 1 day ago |
| MACD: Buy Signal | Oct 30, 11:10 AM | 1 day ago |
| SMA: Bullish | Oct 30, 11:05 AM | 1 day ago |
| SMA: Bullish | Oct 30, 10:50 AM | 1 day ago |
| SMA: Bearish | Oct 30, 10:05 AM | 1 day ago |
| MACD: Sell Signal | Oct 30, 10:05 AM | 1 day ago |
| SMA: Bearish | Oct 30, 10:00 AM | 1 day ago |
| MACD: Buy Signal | Oct 30, 9:30 AM | 1 day ago |
| RSI: Overbought | Oct 30, 9:30 AM | 1 day ago |
| MACD: Sell Signal | Oct 29, 3:55 PM | 2 days ago |
| SMA: Bullish | Oct 29, 3:05 PM | 2 days ago |
| SMA: Bearish | Oct 29, 2:55 PM | 2 days ago |
| MACD: Buy Signal | Oct 29, 2:30 PM | 2 days ago |
| MACD: Sell Signal | Oct 29, 2:25 PM | 2 days ago |
| MACD: Buy Signal | Oct 29, 2:15 PM | 2 days ago |
| SMA: Bullish | Oct 29, 2:10 PM | 2 days ago |
| SMA: Bullish | Oct 29, 2:10 PM | 2 days ago |
| SMA: Bearish | Oct 29, 1:40 PM | 2 days ago |
| SMA: Bullish | Oct 29, 1:15 PM | 2 days ago |
| SMA: Bullish | Oct 29, 1:15 PM | 2 days ago |
| SMA: Bearish | Oct 29, 1:05 PM | 2 days ago |
| SMA: Bearish | Oct 29, 12:35 PM | 2 days ago |
| SMA: Bullish | Oct 29, 12:15 PM | 2 days ago |
| SMA: Bearish | Oct 29, 12:05 PM | 2 days ago |
| SMA: Bullish | Oct 29, 11:35 AM | 2 days ago |
| SMA: Bearish | Oct 29, 11:25 AM | 2 days ago |
| SMA: Bullish | Oct 29, 11:15 AM | 2 days ago |
| SMA: Bearish | Oct 29, 11:05 AM | 2 days ago |
| SMA: Bullish | Oct 29, 10:55 AM | 2 days ago |
| SMA: Bearish | Oct 29, 10:50 AM | 2 days ago |
| MACD: Sell Signal | Oct 29, 10:50 AM | 2 days ago |
| SMA: Bullish | Oct 29, 10:35 AM | 2 days ago |
| SMA: Bearish | Oct 29, 10:30 AM | 2 days ago |
| RSI: Overbought | Oct 28, 3:50 PM | 3 days ago |
| MACD: Buy Signal | Oct 28, 3:30 PM | 3 days ago |
| SMA: Bullish | Oct 28, 3:25 PM | 3 days ago |
| SMA: Bearish | Oct 28, 3:05 PM | 3 days ago |
| MACD: Sell Signal | Oct 28, 3:05 PM | 3 days ago |
| SMA: Bullish | Oct 28, 3:00 PM | 3 days ago |
| MACD: Buy Signal | Oct 28, 3:00 PM | 3 days ago |
| MACD: Sell Signal | Oct 28, 2:50 PM | 3 days ago |
| MACD: Buy Signal | Oct 28, 2:00 PM | 3 days ago |
| SMA: Bullish | Oct 28, 1:55 PM | 3 days ago |
| SMA: Bearish | Oct 28, 1:15 PM | 3 days ago |
| SMA: Bearish | Oct 28, 12:30 PM | 3 days ago |
| MACD: Sell Signal | Oct 28, 12:10 PM | 3 days ago |
| SMA: Bearish | Oct 28, 12:05 PM | 3 days ago |
| SMA: Bullish | Oct 28, 11:30 AM | 3 days ago |
| MACD: Buy Signal | Oct 28, 11:30 AM | 3 days ago |
| RSI: Overbought | Oct 28, 11:30 AM | 3 days ago |
| MACD: Sell Signal | Oct 28, 11:25 AM | 3 days ago |
| SMA: Bearish | Oct 28, 11:20 AM | 3 days ago |
| RSI: Overbought | Oct 28, 11:00 AM | 3 days ago |
| RSI: Overbought | Oct 28, 10:15 AM | 3 days ago |
| RSI: Overbought | Oct 28, 10:05 AM | 3 days ago |
| RSI: Overbought | Oct 28, 9:50 AM | 3 days ago |
| MACD: Buy Signal | Oct 27, 3:50 PM | 4 days ago |
| SMA: Bullish | Oct 27, 3:40 PM | 4 days ago |
| SMA: Bearish | Oct 27, 3:25 PM | 4 days ago |
| MACD: Sell Signal | Oct 27, 3:10 PM | 4 days ago |
| MACD: Buy Signal | Oct 27, 3:05 PM | 4 days ago |
| SMA: Bullish | Oct 27, 3:00 PM | 4 days ago |
| SMA: Bearish | Oct 27, 2:50 PM | 4 days ago |
| MACD: Sell Signal | Oct 27, 2:50 PM | 4 days ago |
| SMA: Bullish | Oct 27, 2:45 PM | 4 days ago |
| MACD: Buy Signal | Oct 27, 2:45 PM | 4 days ago |
| MACD: Sell Signal | Oct 27, 2:40 PM | 4 days ago |
| SMA: Bearish | Oct 27, 2:20 PM | 4 days ago |
| MACD: Buy Signal | Oct 27, 1:35 PM | 4 days ago |
| SMA: Bullish | Oct 27, 1:25 PM | 4 days ago |
| MACD: Sell Signal | Oct 27, 12:20 PM | 4 days ago |
| SMA: Bearish | Oct 27, 12:15 PM | 4 days ago |
| SMA: Bearish | Oct 27, 12:15 PM | 4 days ago |
| MACD: Buy Signal | Oct 27, 12:00 PM | 4 days ago |
| SMA: Bearish | Oct 27, 11:15 AM | 4 days ago |
| MACD: Sell Signal | Oct 27, 10:55 AM | 4 days ago |
| SMA: Bullish | Oct 27, 10:35 AM | 4 days ago |
| SMA: Bearish | Oct 27, 10:20 AM | 4 days ago |
| SMA: Bullish | Oct 26, 3:50 PM | 5 days ago |
| MACD: Buy Signal | Oct 26, 3:35 PM | 5 days ago |
| SMA: Bullish | Oct 26, 3:30 PM | 5 days ago |
| MACD: Sell Signal | Oct 26, 2:55 PM | 5 days ago |
| SMA: Bearish | Oct 26, 2:50 PM | 5 days ago |
| SMA: Bullish | Oct 26, 2:35 PM | 5 days ago |
| SMA: Bullish | Oct 26, 2:35 PM | 5 days ago |
| SMA: Bearish | Oct 26, 2:30 PM | 5 days ago |
| SMA: Bullish | Oct 26, 2:10 PM | 5 days ago |
| MACD: Buy Signal | Oct 26, 2:10 PM | 5 days ago |
| SMA: Bearish | Oct 26, 2:05 PM | 5 days ago |
| SMA: Bullish | Oct 26, 1:55 PM | 5 days ago |
| SMA: Bearish | Oct 26, 1:00 PM | 5 days ago |
| SMA: Bullish | Oct 26, 12:50 PM | 5 days ago |
| SMA: Bearish | Oct 26, 11:05 AM | 5 days ago |
Ownership
Held by insiders 30.81%
Held by institutions 68.40%
Float held by institutions 98.87%
Institutions 306
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Blackrock Inc. | 12.28% | 5,224,934 | 143.42M | Jun 29, 2026 |
| Dimensional Fund Advisors LP | 5.42% | 2,305,107 | 63.28M | Jun 29, 2026 |
| State Street Corporation | 3.86% | 1,642,126 | 45.08M | Jun 29, 2026 |
| Vanguard Capital Management LLC | 3.48% | 1,481,952 | 40.68M | Jun 29, 2026 |
| American Century Companies Inc | 2.77% | 1,176,626 | 32.30M | Jun 29, 2026 |
| Marshall Wace LLP | 2.51% | 1,066,322 | 29.27M | Jun 29, 2026 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| iShares Trust-iShares Core S&P Small-Cap ETF | 4.40% | 1,873,133 | 51.42M | Sep 29, 2026 |
| American Century ETF Trust-Avantis U.S. Small Cap Value ETF | 3.06% | 1,303,435 | 35.78M | Sep 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 2.48% | 1,055,676 | 28.98M | Jun 29, 2026 |
| Capitol Series Trust-FullerThaler Behavioral Small-Cap Equity Fund | 2.12% | 902,737 | 24.78M | Jun 29, 2026 |
| iShares Trust-iShares Russell 2000 ETF | 1.97% | 839,366 | 23.04M | Sep 29, 2026 |
| DFA INVESTMENT DIMENSIONS GROUP INC-U.S. Small Cap Value Portfolio | 1.40% | 596,077 | 16.36M | Jul 30, 2026 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| DEFLIN GAYLE | Director | Stock Award(Grant) | May 31, 2026 | 19,057 |
| GERST DIANE G. | Director | Stock Award(Grant) | May 31, 2026 | 31,899 |
| LEE HOWARD S | Director | Stock Award(Grant) | May 31, 2026 | 159,350 |
| LIAWATIDEWI YAKOB | Officer and Director | Stock Award(Grant) | Mar 8, 2026 | 125,384 |
| PETERS WILLIAM J | Chief Financial Officer | Sale | Sep 20, 2026 | 168,707 |
| PETERSEN FLOYD F | Director | Sale | Dec 11, 2025 | 71,368 |
Held by funds
147 US ETFs and mutual funds hold AMPH · largest positions