---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-249799"
form_type: "8-K"
ticker: "SNDA"
cik: "0001043000"
company_name: "SONIDA SENIOR LIVING, INC."
filed_at: "2026-06-01T12:09:00+00:00"
generated_at: "2026-06-01T12:10:24.279084+00:00"
event_type: "leadership"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Sonida Senior Living appoints Anton Nikodemus as COO effective June 15, 2026; base salary $550,000

## Summary
- Anton Nikodemus appointed EVP and COO effective June 15, 2026; base salary $550,000, target bonus 100% of base.
- Nikodemus previously served as CEO of Seaport Entertainment and held senior roles at MGM Resorts (18 years).
- Role is newly created to oversee operational performance, resident experience, and margin expansion using SPIN platform.
- Employment agreement includes guaranteed 2026 bonus of $301,370, up to $50,000 relocation, and equity awards.
- No family relationships or reportable transactions; non-compete and non-solicit covenants.

## SEC filing metadata
- accession: 0001193125-26-249799
- form_type: 8-K
- ticker: SNDA
- cik: 0001043000
- company_name: SONIDA SENIOR LIVING, INC.
- filed_at: 2026-06-01T12:09:00+00:00
- event_type: leadership
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1043000/000119312526249799/0001193125-26-249799-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1043000/000119312526249799/d11551d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-249799
- JSON: https://secwatch.observer/filing/0001193125-26-249799.json
- Plain text: https://secwatch.observer/filing/0001193125-26-249799.txt

## Source-grounded claims
- claim_id: 966a806540
  claim: Anton Nikodemus was appointed as Executive Vice President and Chief Operating Officer at SONIDA SENIOR LIVING, INC..
  evidence_excerpt: On June 1, 2026, the Board of Directors (the “Board”) of Sonida Senior Living, Inc. (the “Company”) appointed Anton Nikodemus as Executive Vice President and Chief Operating Officer of the Company, effective June 15, 2026.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1043000/000119312526249799/0001193125-26-249799-index.htm

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