AMPH Smart Money
Amphastar Pharmaceuticals, Inc.
1W: -1.4%
1M: -6.6%
3M: +24.2%
YTD: -3.4%
1Y: +4.3%
3Y: -42.5%
5Y: +33.8%
$25.57
+0.10 (+0.39%)
After Hours: $24.50 (-1.07, -4.18%)
Weekly Expected Move ±4.8%
$23
$24
$25
$26
$28
Credit Risk of going bust: higher than 70% of companies Debt: 38.8% of company value Bonds: none of note held by US funds details ▾
Of US companies ranked in the middle of the pack, about 1 in 580 filed for bankruptcy within a year (2020-2025).
If the stock fell to about $1.35 (down 95%), Amphastar Pharmaceuticals, Inc. would be worth roughly what it owes.
Total debt $688.3M against a stock market value of $1.08B.
Distance to default 3.43 (Merton model): prices to 2026-10-26, balance sheet 2026-06-30, debt counted $307.3M (short-term plus half of long-term), stock volatility 53.9%; Altman Z 2.15. A ranking and a back-test, not a forecast.
US fund filings (SEC N-PORT) show under $25M of this company's bonds, so there is no bond page. Its debt may be bank loans or privately placed. How these are computed.
If the stock fell to about $1.35 (down 95%), Amphastar Pharmaceuticals, Inc. would be worth roughly what it owes.
Total debt $688.3M against a stock market value of $1.08B.
Distance to default 3.43 (Merton model): prices to 2026-10-26, balance sheet 2026-06-30, debt counted $307.3M (short-term plus half of long-term), stock volatility 53.9%; Altman Z 2.15. A ranking and a back-test, not a forecast.
US fund filings (SEC N-PORT) show under $25M of this company's bonds, so there is no bond page. Its debt may be bank loans or privately placed. How these are computed.
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🏦 Institutional Activity
Latest: Q2 2026244
Institutions Holding
-15 vs prior
51.3%
Ownership
-6.41%
34
New
63
Increased
109
Reduced
33
Closed
👔 Insider Trades
25 records| Date | Name | Title | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-21 | PETERS WILLIAM J | officer: cfo, evp & treasurer | S-Sale | 4,139 | $25.00 | $103K | Filing |
| 2026-09-16 | Zhou Rong | officer: senior evp, production center | S-Sale | 10,000 | $23.94 | $239K | Filing |
| 2026-09-02 | Zhou Rong | officer: senior evp, production center | S-Sale | 3,187 | $23.63 | $75K | Filing |
| 2026-08-11 | PRINS RICHARD K | director | S-Sale | 7,973 | $20.30 | $162K | Filing |
| 2026-08-07 | PETERS WILLIAM J | officer: cfo, evp & treasurer | S-Sale | 8,180 | $22.48 | $184K | Filing |
| 2026-07-09 | Pierce Anthony T | director | A-Grant/Award | 7,886 | $— | $0 | Filing |
| 2026-06-02 | Lee Howard | director | F-Tax Withholding | 769 | $18.45 | $14K | Filing |
| 2026-06-01 | ZASLOFF MICHAEL A | director | A-Grant/Award | 8,143 | $— | $0 | Filing |
| 2026-06-01 | Gerst Diane G. | director | A-Grant/Award | 8,143 | $— | $0 | Filing |
| 2026-06-01 | Gaugh David Russell | director | A-Grant/Award | 8,143 | $— | $0 | Filing |
| 2026-06-01 | Deflin Gayle | director | A-Grant/Award | 8,143 | $— | $0 | Filing |
| 2026-06-01 | Lee Howard | director | A-Grant/Award | 8,143 | $— | $0 | Filing |
| 2026-06-01 | PRINS RICHARD K | director | A-Grant/Award | 8,143 | $— | $0 | Filing |
| 2026-03-15 | Zhang Jack Y. | officer: ceo & chief scientific officer | F-Tax Withholding | 2,908 | $18.18 | $53K | Filing |
| 2026-03-15 | Luo Mary Z. | officer: coo, chief scientist, chairman | F-Tax Withholding | 2,908 | $18.18 | $53K | Filing |
| 2026-03-15 | Zhou Rong | officer: senior evp, production center | F-Tax Withholding | 1,225 | $18.18 | $22K | Filing |
| 2026-03-15 | Liawatidewi Yakob | officer: evp corp admin center | F-Tax Withholding | 1,033 | $18.18 | $19K | Filing |
| 2026-03-15 | Luo Mary Z. | officer: coo, chief scientist, chairman | F-Tax Withholding | 9,784 | $18.18 | $178K | Filing |
| 2026-03-15 | Zhang Jack Y. | officer: ceo & chief scientific officer | F-Tax Withholding | 9,784 | $18.18 | $178K | Filing |
| 2026-03-15 | PETERS WILLIAM J | officer: cfo, evp & treasurer | F-Tax Withholding | 1,973 | $18.18 | $36K | Filing |
| 2026-03-10 | PETERS WILLIAM J | officer: cfo, evp & treasurer | F-Tax Withholding | 3,297 | $18.91 | $62K | Filing |
| 2026-03-09 | PETERS WILLIAM J | officer: cfo, evp & treasurer | A-Grant/Award | 58,693 | $— | $0 | Filing |
| 2026-03-04 | Luo Mary Z. | officer: coo, chief scientist, chairman | F-Tax Withholding | 2,432 | $19.96 | $49K | Filing |
| 2026-03-04 | Zhang Jack Y. | officer: ceo & chief scientific officer | F-Tax Withholding | 2,432 | $19.96 | $49K | Filing |
| 2026-03-04 | Luo Mary Z. | officer: coo, chief scientist, chairman | F-Tax Withholding | 5,769 | $19.96 | $115K | Filing |
🏛️ Congressional Trades
0 records| Date | Politician | Chamber | Type | Amount | Filing |
|---|---|---|---|---|---|
| No congressional trades found | |||||
🏦 Top Institutional Holders
20 holders| Holder | Shares | Value | Date Reported | Filing | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 5,224,934 | $105M | -196,409 | 2026-06-30 | Filing |
| DIMENSIONAL FUND ADVISORS LP | 2,305,107 | $47M | +277,160 | 2026-06-30 | Filing |
| STATE STREET CORP | 1,642,126 | $33M | +34,611 | 2026-06-30 | Filing |
| VANGUARD CAPITAL MANAGEMENT LLC | 1,481,952 | $30M | -61,703 | 2026-06-30 | Filing |
| AMERICAN CENTURY COMPANIES INC | 1,176,626 | $24M | +159,088 | 2026-06-30 | Filing |
| MARSHALL WACE, LLP | 1,066,322 | $22M | +40,682 | 2026-06-30 | Filing |
| GEODE CAPITAL MANAGEMENT, LLC | 969,840 | $20M | -6,810 | 2026-06-30 | Filing |
| FULLER & THALER ASSET MANAGEMENT, INC. | 949,238 | $19M | -445,901 | 2026-06-30 | Filing |
| D. E. Shaw & Co., Inc. | 887,048 | $18M | +221,506 | 2026-06-30 | Filing |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 809,568 | $16M | +21,752 | 2026-06-30 | Filing |
| RENAISSANCE TECHNOLOGIES LLC | 525,100 | $11M | -28,800 | 2026-06-30 | Filing |
| GOLDMAN SACHS GROUP INC | 505,360 | $10M | +175,972 | 2026-06-30 | Filing |
| SYSTEMATIC FINANCIAL MANAGEMENT LP | 437,384 | $9M | -15,514 | 2026-06-30 | Filing |
| MORGAN STANLEY | 434,840 | $9M | +14,503 | 2026-06-30 | Filing |
| UBS Group AG | 393,110 | $8M | -27,153 | 2026-06-30 | Filing |
| HRT FINANCIAL LP | 387,530 | $8M | +331,349 | 2026-06-30 | Filing |
| DENALI ADVISORS LLC | 375,965 | $8M | +109,500 | 2026-06-30 | Filing |
| NORTHERN TRUST CORP | 370,991 | $7M | -1,288 | 2026-06-30 | Filing |
| Bridge City Capital, LLC | 338,708 | $7M | +3,603 | 2026-06-30 | Filing |
| Sixth Street Partners Management Company | 310,178 | $6M | +310,178 | 2026-06-30 | Filing |