---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-385950"
form_type: "8-K"
ticker: "DH"
cik: "0001861795"
company_name: "Definitive Healthcare Corp."
filed_at: "2026-09-09T12:30:15+00:00"
generated_at: "2026-09-09T12:35:24.394170+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Definitive Healthcare TRA holders waive early termination payment rights for qualifying change of control

## Summary
- TRA holders (Advent, Spectrum Equity, 22C Capital, Jason Krantz) irrevocably waive Early Termination Payment rights for qualifying change of control.
- Waiver applies to definitive merger agreements executed on or before Dec 31, 2026; TRA terminates upon consummation.
- Company Definitive Healthcare Corp (DH) is not a party to the waiver; other TRA rights remain unaffected.
- TRA dated Sept 14, 2021 with AIDH TopCo and other parties; voluntary disclosure under Item 7.01.

## SEC filing metadata
- accession: 0001193125-26-385950
- form_type: 8-K
- ticker: DH
- cik: 0001861795
- company_name: Definitive Healthcare Corp.
- filed_at: 2026-09-09T12:30:15+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1861795/000119312526385950/0001193125-26-385950-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1861795/000119312526385950/dh-20260909.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-385950
- JSON: https://secwatch.observer/filing/0001193125-26-385950.json
- Plain text: https://secwatch.observer/filing/0001193125-26-385950.txt

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