secwatch.observer — SEC 8-K summary
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Issuer:     Health Catalyst, Inc. (HCAT)
CIK:        0001636422
Form:       8-K
Filed at:   2026-09-14T20:25:00+00:00
Accession:  0001636422-26-000111
Event type: leadership
Sentiment:  positive
Materiality: 0.75
Item codes: 5.02, 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Health Catalyst appoints Tami Reller to board; Simeon Kohl named CEO
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- Tami Reller appointed to Board effective Oct 1, 2026; board expands from 6 to 7 directors.
- Reller will serve as Audit Committee chair and on Compensation Committee, replacing Hoggard Green and Spencer.
- Reller previously CEO of Duly Health and Care (2022-2023); held exec roles at UnitedHealth Group and Microsoft.
- Simeon Kohl named CEO and President effective Sept 14, 2026, per press release.
- Company cites 18 years of results and $2.8B in validated outcomes as it becomes AI-forward.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1636422/000163642226000111/0001636422-26-000111-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1636422/000163642226000111/hcat-20260911.htm
  HTML page:      https://secwatch.observer/filing/0001636422-26-000111

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer