---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-21-016377"
form_type: "8-K"
ticker: "SLV"
cik: "0001330568"
company_name: "iShares Silver Trust"
filed_at: "2021-07-02T23:59:59+00:00"
generated_at: "2026-06-30T07:29:23.297357+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# iShares Silver Trust sponsor appoints new CFO and Director, replacing Mary Cronin

## Summary
- Trent W. Walker appointed CFO of iShares Delaware Trust Sponsor LLC, effective June 30, 2021.
- Rachel Aguirre appointed as a Director of the Sponsor, effective June 30, 2021.
- Both appointments replace Mary Cronin, who resigned as CFO and Director with no dispute or disagreement.
- Walker is a BlackRock Managing Director; Aguirre is Head of U.S. Product Engineering at BlackRock.

## SEC filing metadata
- accession: 0001437749-21-016377
- form_type: 8-K
- ticker: SLV
- cik: 0001330568
- company_name: iShares Silver Trust
- filed_at: 2021-07-02T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1330568/000143774921016377/0001437749-21-016377-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1330568/000143774921016377/slv20210701_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-21-016377
- JSON: https://secwatch.observer/filing/0001437749-21-016377.json
- Plain text: https://secwatch.observer/filing/0001437749-21-016377.txt

## Key facts
- Executive change
  Mary Cronin resigned as Chief Financial Officer at iShares Silver Trust.
  - Action: resigned
  - Role: Chief Financial Officer
  source text: Ms. Cronin resigned as a Director and the Chief Financial Officer of the Sponsor, effective June 30, 2021.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1330568/000143774921016377/0001437749-21-016377-index.htm
- Executive change
  Mary Cronin resigned as Director at iShares Silver Trust.
  - Action: resigned
  - Role: Director
  source text: Ms. Cronin resigned as a Director and the Chief Financial Officer of the Sponsor, effective June 30, 2021.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1330568/000143774921016377/0001437749-21-016377-index.htm

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