Secondary report · provider attributed

Sema4 WARN notice — CT, 2022-11-14

Name: Sema4 WARN notice
Creator: WARN Feed
License: https://creativecommons.org/licenses/by/4.0/

WARN Feed secondary report: Sema4 reported 448 workers affected in Connecticut. Notice date: Nov 14, 2022; planned effective date: Jan 13, 2023.

Raw employer name: Sema4
Canonical company: Sema4 →
Workers affected: 448
Event type: Unavailable
Filing status: Unavailable
Provider notice date (unverified): Nov 14, 2022
Effective date: Jan 13, 2023
City: Unavailable
County: Unavailable
State: Connecticut →
ZIP: Unavailable
Reported location: Stamford, Branford
Published address: Unavailable
Source classification: Unavailable
Jurisdiction agency reference: Connecticut Department of Labor

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Original source & provenance

Licensed secondary report
WARN Feed · CC BY 4.0
Provider snapshot: Sep 25, 2026 · STALE
Government document not independently verified.

Open supplied source ↗

Government agency reference
Connecticut Department of Labor

Source ID / record ID
ct-dol-library / warn-feed:8d954dec1489fbd1

First ingested
Oct 7, 2026 · 13:24 UTC

Last observed
Oct 9, 2026 · 14:35 UTC

Snapshot SHA-256
b298695c928459a4b815563b54b2a349fe74ec8af8631279ce6b8a07368a14f2

View original source row

{
  "provider": "WARN Feed",
  "providerUrl": "https://approjects-warn-act-notices.static.hf.space/",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "generatedAt": "2026-09-25T00:11:25.651533Z",
  "reported": {
    "id": "8d954dec1489fbd1",
    "state": "CT",
    "company": "Sema4",
    "company_canonical": "Sema4",
    "company_dba": "",
    "location": "Stamford, Branford",
    "employees_affected": "448",
    "notice_date": "2022-11-14",
    "effective_date": "2023-01-13",
    "notice_type": "",
    "first_seen": "2022-11-14T00:00:00Z"
  },
  "transforms": [
    "Canonical employer name normalized locally.",
    "Unstructured locations are preserved without guessing city, address or ZIP.",
    "NJ provider dates have imputed first-of-month days; notice date withheld."
  ]
}

A source-linked public record. Secondary records are attributed to their provider and are not independently verified. For direct records, “Verified” means sourced from an official agency; it does not confirm the layoffs took place.

Related company filings

Company / location	Workers	Effective date	Notice date	Type / source
Sema4Stamford, Branford · CT recordSecondary · WARN Feed	158	Oct 14, 2022	Aug 15, 2022	UnavailableSource ↗

Dates and counts are the supplied source’s reported values. Secondary-provider locations are unstructured; they are not confirmed worksite addresses. Check the original document for phased dates, updates and exceptions.

Sema4 WARN notice — CT, 2022-11-14

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