---
schema_version: "secwatch.filing_event.v1"
accession: "0001273813-23-000054"
form_type: "8-K"
ticker: "AGO"
cik: "0001273813"
company_name: "ASSURED GUARANTY LTD"
filed_at: "2023-07-10T23:59:59+00:00"
generated_at: "2026-06-13T10:28:52.072551+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Assured Guaranty CIO David A. Buzen to separate effective March 1, 2024

## Summary
- David A. Buzen, Chief Investment Officer, will separate from the company on March 1, 2024, under a mutual agreement.
- Effective August 1, 2023, he becomes Senior Managing Director, Alternative Investments, resigning as CIO and executive officer.
- Separation Agreement provides base salary unchanged through March 1, 2024; cash incentive for 2023 equals 2022's amount.
- Lump-sum payment after separation equals one year salary, average of last three years' incentives, pro-rata 2024 incentive, and 12 months insurance premiums.
- Restrictive covenants include non-competition, non-solicitation, confidentiality, and cooperation; equity vesting tied to continued employment through March 1, 2024.

## SEC filing metadata
- accession: 0001273813-23-000054
- form_type: 8-K
- ticker: AGO
- cik: 0001273813
- company_name: ASSURED GUARANTY LTD
- filed_at: 2023-07-10T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1273813/000127381323000054/0001273813-23-000054-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1273813/000127381323000054/a8-kjuly102023.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001273813-23-000054
- JSON: https://secwatch.observer/filing/0001273813-23-000054.json
- Plain text: https://secwatch.observer/filing/0001273813-23-000054.txt

## Key facts
- Executive change
  David A. Buzen changed role as Senior Managing Director, Alternative Investments at ASSURED GUARANTY LTD.
  - Action: will become
  - Role: Senior Managing Director, Alternative Investments
  source text: Effective August 1, 2023, Mr. Buzen will become the Company’s Senior Managing Director, Alternative Investments, focusing on special projects for the Company, and resign as the Company’s Chief Investment Officer and Head of Asset Management and as an executive officer of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1273813/000127381323000054/0001273813-23-000054-index.htm
- Executive change
  David A. Buzen departed as Chief Investment Officer at ASSURED GUARANTY LTD.
  - Action: will separate
  - Role: Chief Investment Officer
  source text: Assured Guaranty Ltd. (together with its affiliates, “Company”) and David A. Buzen, the Company’s Chief Investment Officer, mutually and amicably agreed on July 6, 2023, that Mr. Buzen will separate from the Company, effective March 1, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1273813/000127381323000054/0001273813-23-000054-index.htm

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