GLOBALMalwareManufacturingManufacturingRansomwareThegentlemenRansom DemandedActor NamedMedium

Henry Frerk Sons

bd_efde6c4a32cf8539 · schema v1 · pii pii-v1

Full breach record for Henry Frerk Sons →

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Thegentlemen on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.

Group activity: ManufacturingDiscovered: 2026-07-23

View aggregator listing on ransomware.live

Source: Ransomware.live

Post text · scraped from the leak site

***.com zoominfo.com/c/henry-frerk-sons-inc/44255454 Henry Frerk Sons (HFS Materials) is a premier masonry and plaster restoration supplier based in the Chicago region, with over 140 years of history. They specialize in custom matching and blending of historic mortars, concrete, and stone patching materials, alongside offering on-site volumetric ready-mix concrete services. The company provides a comprehensive range of building materials, including natural hydraulic lime, specialized cleaners, sealers, and preblended mortars for both historic preservation and new construction projects

Tracked as a single-filing incident — the only disclosure on record for this event so far.Unverified claimView incident

No regulatory filing corroborates this yet. If an SEC 8-K, state-AG notice, or victim statement lands, DisclosureLens will merge it into an incident and link it here.

Source provenance

Source URL: https://www.ransomware.live/id/SGVucnkgRnJlcmsgU29uc0B0aGVnZW50bGVtZW4=
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 23, 2026
Raw hash: f9ccd2a786a5fcbb34e547b9ee2e7ed8fa320fa15ef905e3e0da2a5a54f28b2e

Reporting entity

Name: thegentlemen

Victim entity

Name: Henry Frerk Sons
norm: henry frerk sons
Domain: hfsmaterials.com
Industry: Manufacturingllm

What this source establishes

Source ceiling: A leak-site claim can't tell us: discovery date · materiality · notification · affected count · confirmed data types · compliance clock. These stay blank until a regulatory filing or victim disclosure lands.
Attack vector: Ransomware· thegentlemen
Threat actor: ThegentlemenExternalFinancial

Compliance

Compliance flags: — (clock not assessable for this source)

Extraction provenance

Status: No extraction artifact recorded for this disclosure.