Workiva DEFA14A 2026 (May 2026)

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

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SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of

the Securities Exchange Act of 1934

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Filed by a Party other than the Registrant ¨

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¨	Preliminary Proxy Statement

¨	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

¨	Definitive Proxy Statement

ý	Definitive Additional Materials

¨	Soliciting Material Pursuant to §240.14a-12

WORKIVA INC.

_________________________________________________________________

(Name of Registrant as Specified In Its Charter)

_________________________________________________________________

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

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¨	Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11

Explanatory Note:

On April 17, 2026, Workiva Inc. (the “Company”) filed a definitive proxy statement (the “Proxy Statement”) with the

Securities and Exchange Commission (the “SEC”) for the Company’s 2026 Annual Meeting of Stockholders to be held on May

28, 2026 (the “Annual Meeting”). This supplement (the “Supplement”) is being filed to describe a recent change in the

Company’s independent registered public accounting firm.

Change in Company's Independent Registered Public Accounting Firm

As disclosed in the Current Report on Form 8-K filed by the Company with the SEC on May 5, 2026, the Audit Committee of

the Board of Directors dismissed Ernst & Young LLP (“EY”) as the Company’s independent registered public accounting firm,

and approved the engagement of Grant Thornton LLP (“GT”) as the Company’s independent registered public accounting firm

for the fiscal year ending December 31, 2026. The reports of EY on the Company’s financial statements for each of the two

fiscal years ended December 31, 2025 and December 31, 2024, did not contain an adverse opinion or a disclaimer of opinion,

and were not qualified or modified as to uncertainty, audit scope, or accounting principles. During the Company's two most

recent fiscal years ended December 31, 2025 and December 31, 2024, and the subsequent interim period preceding May 5,

2026, there were (i) no “disagreements” (as that term is defined in Item 304(a)(1)(iv) of Regulation S-K and the related

instructions) with EY on any matter of accounting principles or practices, financial statement disclosure, or auditing scope or

procedure, which disagreements, if not resolved to the satisfaction of EY, would have caused EY to make reference to the

matter of the disagreement in their reports on the financial statements for such years and (ii) no “reportable events” (as that term

is defined in Item 304(a)(1)(v) of Regulation S-K), and (iii) neither the Company nor anyone on its behalf consulted GT

regarding the application of accounting principles to a specified transaction, either completed or proposed, or the type of audit

opinion that might be rendered on the consolidated financial statements of the Company, in connection with which neither a

written report nor oral advice was provided to the Company that GT concluded was an important factor considered by the

Company in reaching a decision as to the accounting, auditing or financial reporting issue; or any matter that was either the

subject of a disagreement as defined in Item 304(a)(1)(iv) of Regulation S-K or a reportable event as described in Item

304(a)(1)(v) of Regulation S-K.

Withdrawal of Proposal No. 4 - Ratification of the Appointment of EY as our Independent Registered Public Accounting

Firm for the Fiscal Year Ending December 31, 2026

In light of the change in auditors, the Company is withdrawing Proposal 4, which called for a non-binding vote on the

ratification of the appointment of EY as our independent registered public accounting firm, as set forth in the Proxy Statement.

The Company does not intend to submit any other proposal for ratification with respect to the appointment of an independent

registered public accounting firm at the Annual Meeting.

Voting Matters

The Company will not make available or distribute, and you do not need to submit, a new proxy card or provide new voting

instructions solely as a result of the removal of Proposal 4. Proxies and voting instructions already received with direction on

Proposal 4 will not be voted on Proposal 4, but proxy cards or voting instructions received and providing direction on the

remaining proposals to be considered at the Annual Meeting will remain valid and in effect, and will be voted as directed.

If you have already submitted your proxy or provided your voting instructions, you do not need to take any action unless you

wish to change your vote on the remaining proposals. If you have not yet submitted your proxy or provided your voting

instructions, please complete the proxy or submit instructions, disregarding Proposal 4.

None of the other agenda items presented in the Notice and Proxy Statement, or votes cast thereon, are affected by this

Supplement. Information regarding how to vote your shares, or change your vote, is available in the Proxy Statement. The

Notice and Proxy Statement and this Supplement are available at investor.workiva.com. This Supplement is being made

available on or about May 5, 2026.

This Supplement does not change the proposals to be acted upon at the Annual Meeting other than the withdrawal of Proposal

No. 4. The Board’s recommendation for all other proposals remains as set forth in the Proxy Statement.