Definitive Healthcare trims board after director exit

Definitive Healthcare Corp. reported that on March 30, 2026, director Jeff Haywood resigned from its Board of Directors and from the Board’s Human Capital Management and Compensation Committee, effective immediately.

Rhea-AI Filing Summary

Definitive Healthcare Corp. reported that on March 30, 2026, director Jeff Haywood resigned from its Board of Directors and from the Board’s Human Capital Management and Compensation Committee, effective immediately. The company stated that his resignation was not due to any disagreement regarding its operations, policies, or practices.

Following his departure, the Board size was reduced from nine members to eight members, and the Compensation Committee was reduced from three members to two members, reflecting his departure rather than adding a replacement director at this time.

8-K Event Classification

Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers

1 item

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

Key Figures

Board size before resignation: 9 members Board size after resignation: 8 members Compensation Committee size before: 3 members +2 more

5 metrics

Board size before resignation 9 members Board of Directors size prior to March 30, 2026

Board size after resignation 8 members Board of Directors size following Jeff Haywood’s resignation

Compensation Committee size before 3 members Human Capital Management and Compensation Committee prior to resignation

Compensation Committee size after 2 members Committee size following Jeff Haywood’s departure

Resignation effective date March 30, 2026 Effective date of Jeff Haywood’s resignation

Key Terms

Human Capital Management and Compensation Committee, Emerging growth company, Class A Common Stock, The Nasdaq Stock Market LLC

4 terms

Human Capital Management and Compensation Committee financial

"and as a member of the Human Capital Management and Compensation Committee (the “Compensation Committee”)"

A human capital management and compensation committee is a board-level group that sets and oversees policies on pay, benefits, hiring, talent development, culture, diversity and succession for a company’s workforce and executives. It matters to investors because its decisions shape labor costs, retain key employees, manage people-related risks and align management incentives with long-term shareholder value—like a coach who sets team rules and pay to keep the squad focused and performing.

Emerging growth company regulatory

"Emerging growth company Item 5.02 Departure of Directors or Certain Officers"

An emerging growth company is a recently public or smaller public firm that qualifies for temporary, lighter regulatory and disclosure rules to reduce the cost and effort of being public. For investors, it means the company may provide less historical financial detail and face fewer reporting requirements than larger firms, so it can grow more quickly but also carries higher uncertainty—like buying a promising early-stage product with fewer user reviews.

Class A Common Stock financial

"Class A Common Stock, $0.001 par value | | DH | | The Nasdaq Stock Market LLC"

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

The Nasdaq Stock Market LLC market

"DH | | The Nasdaq Stock Market LLC"

The Nasdaq Stock Market LLC is a major U.S. stock exchange that provides the platform and rules for buying and selling shares of public companies, similar to a busy online marketplace where buyers and sellers meet. It matters to investors because it determines where a stock trades, helps set prices through supply and demand, and enforces listing and reporting standards that affect a company’s visibility, liquidity and regulatory oversight.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What board change did Definitive Healthcare (DH) disclose in this 8-K?

Definitive Healthcare disclosed that director Jeff Haywood resigned from its Board of Directors on March 30, 2026. His departure also triggered a reduction in the overall Board size from nine directors to eight directors, aligning the structure with the current membership.

Did Jeff Haywood’s resignation from Definitive Healthcare (DH) involve any disagreement?

The company stated that Jeff Haywood’s resignation was not due to any disagreement with Definitive Healthcare regarding its operations, policies, or practices. This language signals a routine governance change rather than a dispute-driven departure from the Board.

How did Jeff Haywood’s resignation affect Definitive Healthcare’s Compensation Committee?

When Jeff Haywood resigned, he also left the Human Capital Management and Compensation Committee. As a result, the committee size was reduced from three members to two members, reflecting his departure rather than appointing a new committee member immediately.

What is Definitive Healthcare’s current Board size after the March 30, 2026 change?

After Jeff Haywood’s resignation on March 30, 2026, Definitive Healthcare’s Board of Directors was reduced from nine members to eight members. This adjustment simply aligns the Board size with the remaining directors serving at the company.

Which executive signed this Definitive Healthcare (DH) 8-K filing?

The 8-K was signed on behalf of Definitive Healthcare by Casey Heller, the company’s Chief Financial Officer. The signature confirms that an authorized executive reviewed and approved the disclosure describing the Board and committee changes.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/03/2026 - 04:05 PM Learn about SEC filing dates

0001861795false00018617952026-03-302026-03-30

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

FORM 8-K

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)

Commission File Number 001-40815
Delaware		86-3988281
(State of Incorporation)		(IRS Employer Identification No.)
	492 Old Connecticut Path, Suite 401
	Framingham, Massachusetts 01701
	(Address of Principal Executive Offices)

(508) 720-4224

Registrant’s telephone number, including area code

Not Applicable

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

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:

Title of Each Class		Trading Symbol		Name of Each Exchange on Which Registered
Class A Common Stock, $0.001 par value		DH		The Nasdaq Stock Market LLC

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. ☐

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.

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.

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

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