Equity · Healthcare
AMPH
NASDAQAmphastar Pharmaceuticals (AMPH)
The line runs 19.99 USD on 12 August through 29.39 USD on 9 November, on a scale from 15 to 30. Days the market did not trade hold the previous close, flat.
- Market cap
- 1.3B USD
- P/E (TTM)
- 13.4
- Revenue, year to Dec 2025
- 719.9M USD
- EPS, diluted, year to Dec 2025
- 2.03 USD
- 52-week range
- 17 USD – 29.39 USD
- Avg volume
- 26.8K
- Mentions, 30 days
- 1
as of Nov 9, 2026
Have Amphastar Pharmaceuticals (AMPH) insiders bought or sold shares recently?
In the 90 days to 10 Nov 2026, Amphastar Pharmaceuticals insiders reported 5 open-market sales and no purchases (SEC Form 4); the filings we hold, back to 3 Nov 2025, show no open-market purchase.
Form 4, 90 days to 10 Nov 2026, newest reported trade 5 Nov 2026
| Reported | Insider | Type | Shares | Value |
|---|---|---|---|---|
| 05 Nov 2026 | PETERS WILLIAM JCFO, EVP & TREASURER | Sell | 12,631 | 366K USD |
| 04 Nov 2026 | PETERS WILLIAM JCFO, EVP & TREASURER | Sell | 16,000 | 448K USD |
| 21 Sep 2026 | PETERS WILLIAM JCFO, EVP & TREASURER | Sell | 4,139 | 103K USD |
| 16 Sep 2026 | Zhou RongSENIOR EVP, PRODUCTION CENTER | Sell | 10,000 | 239K USD |
| 02 Sep 2026 | Zhou RongSENIOR EVP, PRODUCTION CENTER | Sell | 3,187 | 75K USD |
| Sold | 5 open-market sales | 45,957 | $1.23M |
3 other filings in the window: grants, exercises, tax withholding and transfers, not trades
| Reported | Insider | Type | Shares | Value |
|---|---|---|---|---|
| 05 Nov 2026 | PETERS WILLIAM JCFO, EVP & TREASURER | Option exercise | 11,000 | 198K USD |
| 04 Nov 2026 | PETERS WILLIAM JCFO, EVP & TREASURER | Option exercise | 16,000 | 208K USD |
| 16 Sep 2026 | Zhou RongSENIOR EVP, PRODUCTION CENTER | Option exercise | 10,000 | 134K USD |
Which funds hold Amphastar Pharmaceuticals (AMPH)?
9 of the 45 institutional funds we track reported a Amphastar Pharmaceuticals position for the quarter ended 30 Jun 2026 — a combined 61.7M USD; the latest of those filings landed 02 Sep 2026.
| Fund | Position | Shares | Value | Shares q/q |
|---|---|---|---|---|
| Marshall Wace | Held (±25%) | 1,066,322 | 21.5M USD | +4.0% |
| D. E. Shaw & Co. | Added | 887,048 | 17.9M USD | +33.3% |
| Renaissance Technologies | Held (±25%) | 525,100 | 10.6M USD | −5.2% |
| Two Sigma Investments | Added | 248,115 | 5.0M USD | +79.6% |
| AQR Capital Management | Added | 208,651 | 4.2M USD | +164.9% |
| Point72 Asset Management | New position | 54,964 | 1.1M USD | |
| Millennium Management | Trimmed | 31,814 | 642K USD | −91.4% |
| Man Group | Trimmed | 17,342 | 350K USD | −53.5% |
| Citadel Advisors | Trimmed | 16,231 | 328K USD | −75.2% |
What has been filed or recorded for Amphastar Pharmaceuticals (AMPH)?
The filings we hold for Amphastar Pharmaceuticals, newest first: 6 quarterly earnings reports, 2 annual reports and 5 reported financial figures, the latest dated 30 Sep 2026. No next earnings date is announced in SEC filings yet.
| And | ||||
|---|---|---|---|---|
| 30 Sep 2026 | Quarterly earnings | Q3 2026 reported | EPS 0.87 USD | Revenue $208M |
| 30 Sep 2026 | Financials | Total assets | 1.7B USD | at period end |
| 30 Sep 2026 | Financials | Total equity | 814.6M USD | at period end |
| 30 Jun 2026 | Quarterly earnings | Q2 2026 reported | EPS 0.67 USD | Revenue $184M |
| 31 Mar 2026 | Quarterly earnings | Q1 2026 reported | EPS 0.14 USD | Revenue $171M |
| 31 Dec 2025 | Annual report | FY 2025 reported | EPS 2.03 USD | Revenue $720M |
| 31 Dec 2025 | Financials | Revenue | 719.9M USD | fiscal year |
| 31 Dec 2025 | Financials | Net income | 98.1M USD | fiscal year |
| 31 Dec 2025 | Financials | Diluted EPS | 2.03 USD | fiscal year |
| 30 Sep 2025 | Quarterly earnings | Q3 2025 reported | EPS 0.37 USD | Revenue $192M |
| 30 Jun 2025 | Quarterly earnings | Q2 2025 reported | EPS 0.64 USD | Revenue $174M |
| 31 Mar 2025 | Quarterly earnings | Q1 2025 reported | EPS 0.51 USD | Revenue $171M |
| 31 Dec 2024 | Annual report | FY 2024 reported | EPS 3.06 USD | Revenue $732M |
What is Reddit saying about Amphastar Pharmaceuticals (AMPH)?
Reddit mentioned AMPH 1 times in the 30 days to 10 November 2026, in 1 of the communities we track. All of them were scored for sentiment: 0% read bullish, 100% bearish and 0% neither. Reddit data updated 10 November 2026.
30-day window, Method
How do Reddit mentions of Amphastar Pharmaceuticals (AMPH) compare with its price?
Share ↗
Which subreddits are talking about Amphastar Pharmaceuticals (AMPH)?
30 days
| Community | Share | Mentions | Net sentiment |
|---|---|---|---|
| r/wallstreetbets | 100% | 1 | −0.06 |
What do people ask about Amphastar Pharmaceuticals (AMPH)?
What did Amphastar Pharmaceuticals shares close at?29.39
Amphastar Pharmaceuticals closed at 29.39 USD on 9 Nov 2026, up 3.12% on the close before. That is the end-of-day price from Finazon, not a live quote.
What is Amphastar Pharmaceuticals’ market cap?1.3B
Amphastar Pharmaceuticals is worth 1.3B USD by market value as of 9 Nov 2026, which is the share price times the shares on issue from its SEC filings.
What is Amphastar Pharmaceuticals’ P/E ratio?13.4
Amphastar Pharmaceuticals has a price-to-earnings ratio of 13.4, as of 9 Nov 2026: the share price divided by what the company earned per share over the last four reported quarters. A higher number means the market pays more for each dollar of earnings.
What is Amphastar Pharmaceuticals’ revenue?719.9M
Amphastar Pharmaceuticals reported revenue of 719.9M USD for the year ended 31 Dec 2025, as filed with the SEC. See Filings
Have Amphastar Pharmaceuticals insiders bought or sold shares recently?5 sales
In the 90 days to 10 Nov 2026, Amphastar Pharmaceuticals insiders reported 5 open-market sales and no purchases (SEC Form 4); the filings we hold, back to 3 Nov 2025, show no open-market purchase. A further 3 filings were grants, awards, gifts or exercises rather than open-market trades. See Insiders
Which funds own Amphastar Pharmaceuticals?9 of 45
9 of the 45 funds we track reported a Amphastar Pharmaceuticals position for the quarter ended 30 Jun 2026, per their SEC Form 13F filings. The largest reported positions were Marshall Wace, D. E. Shaw & Co. and Renaissance Technologies. See Funds
When did Amphastar Pharmaceuticals last report earnings?0.87
Amphastar Pharmaceuticals last reported earnings on 30 Sep 2026 for Q3 2026, with EPS of 0.87 USD; no next date is announced in SEC filings yet. See Filings
What is Reddit saying about Amphastar Pharmaceuticals?0 mentions
Amphastar Pharmaceuticals was mentioned 0 times in the last 7 days across the finance subreddits we track, and 1 times over the trailing 30 days. Of the 1 mentions scored for sentiment, 0% read bullish and 100% bearish. That is a social signal, not investment advice. See Reddit
Answers are generated from the live figures on this page — Reddit crowd data, SEC filings and open company records — and update as the data does.
References
- Finazonprior-day close, indicative (IEX-derived, not the official close), some closes dollar-rounded at the source
- TradingViewthe price chart widget, drawn by TradingView from their own data
- RedditReddit ingest across the tracked finance subreddits
- SEC EDGARForm 4 filings (insider transactions)
- SEC EDGAR13F filings
- SEC EDGARXBRL company facts, latest period ended 30 Sep 2026
- SEC EDGARreported earnings figures and scheduled report dates
- SEC EDGARValuation computed from SEC EDGAR filings