The page is the record's research on the issuer — no analyst, no rating, no view. # Amphastar Pharmaceuticals, Inc. (NASDAQ: AMPH) — research page As of 2026-11-08 · us-cm-kg · record version 1 ## 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. ## 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. ## 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. ## 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. ## 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. - https://www.sec.gov/files/company_tickers_exchange.json (identity.exchange) - https://www.sec.gov/data-research/sec-markets-data/fails-deliver-data (identity.isin) - https://mapping.gleif.org/api/v2/isin-lei/latest/download (identity.lei) - https://data.sec.gov/submissions/CIK0001297184.json (identity.name) - https://mcp.us-cm-kg.ai/events/NASDAQ/AMPH (the disclosure lines) - https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag) - https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter) - https://mcp.us-cm-kg.ai/record/NASDAQ/AMPH (the record) --- Allooloo Technologies Corp. · https://getresearch.ai/us/NASDAQ/AMPH · public-record only · the same page signed and receipted: get_research at https://mcp.getresearch.ai/mcp