Acumen Pharmaceuticals, Inc. (ABOS) — research page
US · us-cm-kg/NASDAQ/ABOS · as of 2026-11-08
Identity and listing
The issuer is Acumen Pharmaceuticals, Inc., listed on NASDAQ under ticker ABOS, with ISIN US00509G2093. The LEI is not on the record, as no GLEIF record with the exact legal name in jurisdiction US-DE exists. The security type is Corporate, the segment is not on the record, the sector is 2836 Biological Products, (No Diagnostic Substances), and the jurisdiction is United States, Delaware. The issuer is listed and not halted.
| field | value | source · read date |
|---|---|---|
| name | Acumen Pharmaceuticals, Inc. | source · 2026-11-08 |
| exchange | NASDAQ | source · 2026-11-08 |
| ticker | ABOS | source · 2026-11-08 |
| ISIN | US00509G2093 | source · 2026-10-13 |
| LEI | not on the record | |
| security type | Corporate | source · 2026-11-08 |
| segment | not on the record | |
| sector | 2836 Biological Products, (No Diagnostic Substances) | source · 2026-11-08 |
| jurisdiction | United States — Delaware | source · 2026-11-08 |
| status | listed, not halted | source · 2026-11-08 |
The disclosure read
The record holds 117 filings in the twelve months from 2025-11-08 to 2026-11-08, across 40 filing days. The median gap between filing days is 3 days. The latest filing is dated 2026-11-05, 3 days before the record date, and is of type ad_hoc. Exchange peers number 4359 issuers, with a median cadence gap of 6.0 days, a median of 52 filings, and a median latency of 5.0 days. Sector peers number 176 issuers, with a median cadence gap of 5.5 days, a median of 65.5 filings, and a median latency of 4.0 days. The issuer's filings are 117, above the exchange median of 52 and above the sector median of 65.5.
| filings | median gap between filing days | days from latest filing to as-of | |
|---|---|---|---|
| this issuer | 117 | 3 | 3 |
| exchange median: NASDAQ (4359 issuers) | 52 | 6 | 5 |
| sector median: 2836 Biological Products, (No Diagnostic Substances) (176 issuers) | 65.5 | 5.5 | 4 |
| date | type | category | filing |
|---|---|---|---|
| 2026-11-05 | ad_hoc | 8-K | 8-K — 8-K (items 1.02,2.05,9.01) |
| 2026-10-30 | corporate_news | 8-K | 8-K — 8-K (items 7.01,8.01,9.01) |
| 2026-10-28 | regulatory_filing | EFFECT | EFFECT (items ,,) |
| 2026-10-26 | prospectus | S-3 | S-3 — S-3 |
| 2026-10-26 | results | 10-Q | 10-Q — 10-Q |
window 2025-11-08 to 2026-11-08 · the node's disclosure lines, as get_filings serves them
Auditor
The auditor of record is Ernst & Young LLP, located in Philadelphia, Pennsylvania. The record holds no auditor changes.
Events and halts
The record holds no listing, delisting, name change or segment move lines. The domicile change is not on the record, as EDGAR states no dated change of state of incorporation on a filing line. The segment move is not on the record, as the exchanges' tier transfers are not EDGAR filings. The halt flag is clear: 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.
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's years sealed 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
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://data.sec.gov/submissions/CIK0001576885.json (identity.jurisdiction)
- 10.4
- https://mcp.us-cm-kg.ai/events/NASDAQ/ABOS (the disclosure lines)
- 10.5
- https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag)
- 10.6
- https://www.sec.gov/Archives/edgar/data/1576885/000162828026021413/abos-20251231.htm (the auditor)
- 10.7
- https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter)
- 10.8
- https://mcp.us-cm-kg.ai/record/NASDAQ/ABOS (the record)
Read it by agent
The same page, signed and receipted: get_research at https://mcp.getissuer.ai/mcp with {"isin":"US00509G2093"}. Twins: .md · .json. Written: Claude through the platform account, Haiku class; one pass; checked against the numbers. Page hash sha256:c195b7dd8d1397a5.