# EDGAR Filing Document

**Accession Number:** 0001861795
**File Stem:** 0001193125-26-142104
**Filing Date:** 2026-4
**Character Count:** 4909
**Document Hash:** 85c8c951f71b65bd391e098b8f5c9e8c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-142104.hdr.sgml**: 20260403

**ACCESSION NUMBER**: 0001193125-26-142104

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 9

**CONFORMED PERIOD OF REPORT**: 20260330

**ITEM INFORMATION**: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

**FILED AS OF DATE**: 20260403

**DATE AS OF CHANGE**: 20260403

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Definitive Healthcare Corp.
- **CENTRAL INDEX KEY:** 0001861795
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-PREPACKAGED SOFTWARE [7372]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-40815
- **FILM NUMBER:** 26838086

**BUSINESS ADDRESS:**
- **STREET 1:** 492 OLD CONNECTICUT PATH, SUITE 401
- **CITY:** FRAMINGHAM
- **STATE:** MA
- **ZIP:** 01701
- **BUSINESS PHONE:** 508-720-4224

**MAIL ADDRESS:**
- **STREET 1:** 492 OLD CONNECTICUT PATH, SUITE 401
- **CITY:** FRAMINGHAM
- **STATE:** MA
- **ZIP:** 01701

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Definitive Healthcare
- **DATE OF NAME CHANGE:** 20210512

?xml version='1.0' encoding='ASCII'? 8-K

**UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549**

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**FORM** 8-K

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**Current Report**

**Pursuant to Section 13 or 15(d)** 

**of the Securities Exchange Act of 1934**

**Date of Report (Date of earliest event reported):**

March 30, 2026

Definitive Healthcare Corp.

**(Exact name of Registrant as Specified in Its Charter)**

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| | | |
|:---|:---|:---|
| **Commission File Number 00**1-40815 | **Commission File Number 00**1-40815 | **Commission File Number 00**1-40815 |
| Delaware |  | 86-3988281 |
| **(State of Incorporation)** |  | **(IRS Employer Identification No.)** |
|  | 492 Old Connecticut Path, Suite 401 |  |
|  | Framingham**,** Massachusetts 01701 |  |
|  | **(Address of Principal Executive Offices)**  |  |

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| |
|:---|
| **(**508**)** 720-4224 |
| **Registrant's telephone number, including area code** |

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**Not Applicable**<br>

**(Former Name or Former Address, if Changed Since Last Report)**

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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

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| | |
|:---|:---|
| **Title of Each Class** | **Name of Each Exchange on Which Registered** |
| Class A Common Stock, $0.001 par value<br> DH | The Nasdaq Stock Market LLC |

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Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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**Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.**

On March 30, 2026, Jeff Haywood resigned from the Board of Directors (the "Board") of Definitive Healthcare Corp. (the "Company") and as a member of the Human Capital Management and Compensation Committee (the "Compensation Committee") of the Board, effective immediately. Mr. Haywood's resignation was not the result of any disagreements with the Company relating to the Company's operations, policies or practices. In connection with Mr. Haywood's resignation, the size of the Board was reduced from 9 members to 8 members, and the size of the Compensation Committee was reduced from 3 members to 2 members.

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**SIGNATURES**

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

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| | | |
|:---|:---|:---|
|  | **DEFINITIVE HEALTHCARE CORP.** | **DEFINITIVE HEALTHCARE CORP.** |
| April 3, 2026 | By: | */s/ Casey Heller* |
| Date | Name: | Casey Heller |
|  | Title: | Chief Financial Officer |

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