---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-183757"
form_type: "8-K"
ticker: "SHIM"
cik: "0001887944"
company_name: "Shimmick Corp"
filed_at: "2026-04-28T23:59:59+00:00"
generated_at: "2026-05-15T03:11:43.187023+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Shimmick appoints Sarah Tacker as EVP and COO effective April 28, 2026

## Summary
- Sarah Tacker named Executive Vice President and Chief Operating Officer, effective April 28, 2026.
- Ms. Tacker brings 27 years of experience, most recently as VP, District Manager at FlatironDragados.
- Compensation: $500K base salary, 50% target bonus, $150K sign-on RSUs, $500K annual RSUs.
- She will oversee operations, strengthen execution, and report to CEO Ural Yal.

## SEC filing metadata
- accession: 0001193125-26-183757
- form_type: 8-K
- ticker: SHIM
- cik: 0001887944
- company_name: Shimmick Corp
- filed_at: 2026-04-28T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1887944/000119312526183757/0001193125-26-183757-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1887944/000119312526183757/shim-20260428.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-183757
- JSON: https://secwatch.observer/filing/0001193125-26-183757.json
- Plain text: https://secwatch.observer/filing/0001193125-26-183757.txt

## Key facts
- Executive change
  Sarah Tacker was appointed as Executive Vice President, Chief Operating Officer at Shimmick Corp.
  - Action: appointed
  - Role: Executive Vice President, Chief Operating Officer
  source text: On April 28, 2026 (the “Announcement Date”), Shimmick Corporation (the “Company”) announced the appointment of Sarah Tacker as the Company’s Executive Vice President, Chief Operating Officer, effective April 28, 2026.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1887944/000119312526183757/0001193125-26-183757-index.htm

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