The page is the record's research on the issuer — no analyst, no rating, no view.

# REPLIGEN CORP (NASDAQ: RGEN) — research page

As of 2026-11-08 · us-cm-kg · record version 1

## Identity and listing

The issuer is REPLIGEN CORP, listed on NASDAQ under ticker RGEN, with ISIN US7599161095 and LEI 54930006QJ0T5AUO1E71. Its security type is Corporate and its sector is 2836 Biological Products, (No Diagnostic Substances). Its jurisdiction is United States, Delaware. Segment is not on the record. Its listing status is listed, not halted.

## The disclosure read

The record holds 94 filings in the window from 2025-11-08 to 2026-11-08, on 61 filing days. The median gap between filing days is 4.0 days. The latest filing is dated 2026-11-06, of type corporate_news, which is 2 days before the record date. The NASDAQ median is 52 filings, a cadence gap of 6.0 days and a latency of 5.0 days, across 4,359 issuers. The sector median is 65.5 filings, a cadence gap of 5.5 days and a latency of 4.0 days, across 176 issuers. The issuer's 94 filings are above the NASDAQ median and above the sector median.

## Auditor

The auditor of record is Ernst & Young LLP, located in Boston, Massachusetts, United States. 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, as EDGAR states no dated change of state of incorporation on a filing line. Segment move is not on the record, as the exchanges' tier transfers are not EDGAR filings. The halt flag reads listed, not halted.

## Orderability

The outcome is not determinable. The chapter's orderability section carries no client categories, so the outcome cannot name its 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 reads. The count is 0.

## Open research

No openly published research notes were found. The count is 0.

## 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 sealed years that hold the issuer are 2021, 2022, 2023, 2024, 2025 and 2026. The market's earliest sealed date is 2021-01-04. The live record began on 2026-09-12.

## Sources

9 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://data.sec.gov/submissions/CIK0000730272.json (identity.jurisdiction)
- https://mapping.gleif.org/api/v2/isin-lei/latest/download (identity.lei)
- https://mcp.us-cm-kg.ai/events/NASDAQ/RGEN (the disclosure lines)
- https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag)
- https://www.sec.gov/Archives/edgar/data/730272/000119312526076528/rgen-20251231.htm (the auditor)
- https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter)
- https://mcp.us-cm-kg.ai/record/NASDAQ/RGEN (the record)

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