Amphastar Pharmaceuticals, Inc. (AMPH) — research page
US · us-cm-kg/NASDAQ/AMPH · as of 2026-11-08
Identity and listing
Amphastar Pharmaceuticals, Inc. is listed on NASDAQ under ticker AMPH, with ISIN US03209R1032 and LEI 54930055TH0ZLSAQMJ38. Its security type is Corporate and its sector is 2834 Pharmaceutical Preparations. Its segment and jurisdiction are not on the record. Its listing status is listed, not halted.
| field | value | source · read date |
|---|---|---|
| name | Amphastar Pharmaceuticals, Inc. | source · 2026-11-08 |
| exchange | NASDAQ | source · 2026-11-08 |
| ticker | AMPH | source · 2026-11-08 |
| ISIN | US03209R1032 | source · 2026-09-17 |
| LEI | 54930055TH0ZLSAQMJ38 | source · 2026-11-08 |
| security type | Corporate | source · 2026-11-08 |
| segment | not on the record | |
| sector | 2834 Pharmaceutical Preparations | source · 2026-11-08 |
| jurisdiction | not on the record | |
| status | listed, not halted | source · 2026-11-08 |
The disclosure read
The record holds 66 filings across 35 filing days in the window 2025-11-08 to 2026-11-08. The median gap between filing days is 4.5 days, against a NASDAQ median of 6.0 days and a 2834 Pharmaceutical Preparations sector median of 6.0 days. The latest filing is dated 2026-11-06, two days before the record date, and is of type directors_dealings; the NASDAQ median latency is 5.0 days and the sector median latency is 4.0 days.
| filings | median gap between filing days | days from latest filing to as-of | |
|---|---|---|---|
| this issuer | 66 | 4.5 | 2 |
| exchange median: NASDAQ (4359 issuers) | 52 | 6 | 5 |
| sector median: 2834 Pharmaceutical Preparations (526 issuers) | 63 | 6 | 4 |
| date | type | category | filing |
|---|---|---|---|
| 2026-11-06 | directors_dealings | 4 | 4 |
| 2026-11-05 | regulatory_filing | 144 | 144 |
| 2026-11-05 | results | 10-Q | 10-Q — 10-Q |
| 2026-11-05 | results | 8-K | 8-K — 8-K (items 2.02,9.01) |
| 2026-11-04 | regulatory_filing | 144 | 144 |
window 2025-11-08 to 2026-11-08 · the node's disclosure lines, as get_filings serves them
Auditor
The auditor and its location are not on the record, because the latest annual report cover carries no dei:AuditorName tag. The record holds no auditor changes.
Events and halts
The record holds no listing, delisting or name change lines. Domicile change is not on the record, and segment move is not on the record. The issuer is listed, not halted.
Orderability
The outcome is not determinable, because the chapter's orderability section names no client category. The rule version is acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1, and the chapter is as of 2026-11-04.
rule acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1 · chapter as of 2026-11-04 · the full outcome: get_orderability
Coverage
No research houses were found on the issuer's investor-relations page.
Open research
No openly published research notes were found on the record.
Licensed
Licensed research: none loaded. A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded.
| licensor | entitlement | title | date | source |
|---|---|---|---|---|
| none loaded |
As-of depth
The issuer is held in sealed years 2021, 2022, 2023, 2024, 2025 and 2026. The market's earliest sealed date is 2021-01-04, and the live record began on 2026-09-12.
Sources
8 source pages are named on this page; every value above carries its own source page and read date in the numbers.
- 10.1
- https://www.sec.gov/files/company_tickers_exchange.json (identity.exchange)
- 10.2
- https://www.sec.gov/data-research/sec-markets-data/fails-deliver-data (identity.isin)
- 10.3
- https://mapping.gleif.org/api/v2/isin-lei/latest/download (identity.lei)
- 10.4
- https://data.sec.gov/submissions/CIK0001297184.json (identity.name)
- 10.5
- https://mcp.us-cm-kg.ai/events/NASDAQ/AMPH (the disclosure lines)
- 10.6
- https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag)
- 10.7
- https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter)
- 10.8
- https://mcp.us-cm-kg.ai/record/NASDAQ/AMPH (the record)
Read it by agent
The same page, signed and receipted: get_research at https://mcp.getissuer.ai/mcp with {"isin":"US03209R1032"}. Twins: .md · .json. Written: Claude through the platform account, Haiku class; one pass; checked against the numbers. Page hash sha256:a11d77156648b6c0.