---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-242602"
form_type: "8-K"
ticker: "PFL"
cik: "0001244183"
company_name: "PIMCO INCOME STRATEGY FUND"
filed_at: "2023-09-26T23:59:59+00:00"
generated_at: "2026-06-10T08:32:46.742816+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# PIMCO Income Strategy Fund adds Giang Bui as co-portfolio manager effective October 2, 2023

## Summary
- Giang Bui, Executive Vice President, joins Alfred T. Murata and Mohit Mittal as co-portfolio manager.
- Ms. Bui has 24 years of investment experience, focusing on CLOs and structured products.
- Existing portfolio managers Murata and Mittal continue in their roles; no other changes to fund management.

## SEC filing metadata
- accession: 0001193125-23-242602
- form_type: 8-K
- ticker: PFL
- cik: 0001244183
- company_name: PIMCO INCOME STRATEGY FUND
- filed_at: 2023-09-26T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1244183/000119312523242602/0001193125-23-242602-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1244183/000119312523242602/d877865d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-242602
- JSON: https://secwatch.observer/filing/0001193125-23-242602.json
- Plain text: https://secwatch.observer/filing/0001193125-23-242602.txt

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