---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-007063"
form_type: "8-K"
ticker: "BLK"
cik: "0002012383"
company_name: "BlackRock, Inc."
filed_at: "2025-01-15T23:59:59+00:00"
generated_at: "2026-05-28T01:28:43.393079+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# BlackRock Global Client Business head Mark Wiedman resigns, effective Jan 15

## Summary
- Mark Wiedman resigns as head of Global Client Business, effective January 15, 2025.
- He will depart the firm to pursue other opportunities.
- Wiedman will remain with BlackRock for several months to facilitate an orderly transition.
- No replacement has been announced.

## SEC filing metadata
- accession: 0001193125-25-007063
- form_type: 8-K
- ticker: BLK
- cik: 0002012383
- company_name: BlackRock, Inc.
- filed_at: 2025-01-15T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2012383/000119312525007063/0001193125-25-007063-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2012383/000119312525007063/d897012d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-007063
- JSON: https://secwatch.observer/filing/0001193125-25-007063.json
- Plain text: https://secwatch.observer/filing/0001193125-25-007063.txt

## Key facts
- Executive change
  Mark Wiedman departed as head of the Global Client Business at BlackRock, Inc..
  - Action: resigning
  - Role: head of the Global Client Business
  source text: On January 15, 2025, BlackRock, Inc. (the “Company”) announced that Mark Wiedman is resigning as head of the Global Client Business, effective today.
  evidence_url: https://www.sec.gov/Archives/edgar/data/2012383/000119312525007063/0001193125-25-007063-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.