[SCHEDULE 13G/A] WORKIVA INC Amended Passive Investment Disclosure

Rhea-AI Filing Summary

Workiva Inc. insider Matthew M. Rizai reports beneficial ownership of 2,658,114 shares tied to Workiva Class A common stock, representing 4.8% of the class as of December 31, 2025. This reflects that he now reports ownership of 5 percent or less of the class.

The stake includes both Class A and Class B common stock, plus 140,204 shares of Class A common stock issuable upon option exercise within 60 days. Class B shares are convertible one-for-one into Class A and carry ten votes per share, giving Rizai substantial voting influence through various trusts and family entities.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 10)

Workiva Inc.

(Name of Issuer)

Class A Common Stock

(Title of Class of Securities)

98139A105

(CUSIP Number)

12/31/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 98139A105

1

Names of Reporting Persons

Matthew M Rizai

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 2,588,273.00
6	Shared Voting Power 69,841.00
7	Sole Dispositive Power 1,417,613.00
8	Shared Dispositive Power 917,892.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,658,114.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

4.8 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: The shares reported in rows 5, 6, 7, 8, 9, and 11 include Class B common stock, as described below. Each share of Class B common stock is convertible at the option of the holder into one share of Class A common stock. Assumes conversion of all shares of Class B common stock beneficially owned by Mr. Rizai into shares of Class A common stock. The shares reported in row 9 consist of (i) 850,000 shares of Class B common stock and 427,409 shares of Class A common stock owned by Matthew Rizai TR UA DTD 03/04/1996 Matthew Rizai Revocable Trust; (ii) 32,783 shares of Class A common stock owned directly by Mr. Rizai and Svetlana Skopcenko Rizai as joint tenants with right of survivorship, of which Mr. Rizai and Ms. Skopcenko Rizai share voting and dispositive power; (iii) 885,109 shares of Class B common stock owned by Mr. Rizai and Ms. Skopcenko Rizai as trustees u/a dated August 7, 2013 creating Marital Trust, of which Mr. Rizai has sole voting power and Mr. Rizai and Ms. Skopcenko Rizai have shared dispositive power; (iv) 140,204 shares of Class A common stock that may be acquired within 60 days of this Statement upon the exercise of outstanding options; (v) 225,000 shares of Class B common stock and 60,551 shares of Class A common stock owned by family trusts of which Barbara Schlaff is the trustee and has entered into an irrevocable proxy under which she has granted sole voting power to Mr. Rizai for so long as the family trusts hold such shares. Ms. Schlaff has sole dispositive power as to such shares; and (vi) 25,000 shares of Class B common stock and 12,058 shares of Class A common stock owned by a family trust of which Ms. Skopcenko Rizai is the trustee. The percentage set forth in row 11 is calculated based upon on 52,711,521 shares of Class A common stock outstanding as of December 31, 2025, plus the number of shares of Class B common stock beneficially owned by Mr. Rizai and shares of Class A common stock that may be acquired by Mr. Rizai within 60 days upon the exercise of outstanding options, which are treated as converted into Class A common stock or exercised, as applicable, only for the purpose of computing the percentage ownership of Mr. Rizai. Each share of Class A common stock is entitled to one vote, and each share of Class B common stock is entitled to ten votes. There were 3,607,583 shares of Class B common stock outstanding as of December 31, 2025, as reported by the issuer to the reporting person, including the 1,985,109 shares of Class B common stock beneficially owned by Mr. Rizai. The percentage reported does not reflect the ten for one voting power of the Class B common stock.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Workiva Inc.
(b)	Address of issuer's principal executive offices: 2900 University Blvd, Ames, Iowa, 50010
Item 2.
(a)	Name of person filing: Matthew M. Rizai
(b)	Address or principal business office or, if none, residence: c/o Workiva Inc. 2900 University Blvd Ames, IA 50010
(c)	Citizenship: United States of America
(d)	Title of class of securities: Class A Common Stock
(e)	CUSIP No.: 98139A105
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: The information in rows 5 through 9 and 11 on the cover pages to this Schedule 13G, including the footnotes thereto, is hereby incorporated by reference. 2,658,114
(b)	Percent of class: The information in rows 5 through 9 and 11 on the cover pages to this Schedule 13G, including the footnotes thereto, is hereby incorporated by reference. 4.8
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: The information in rows 5 through 9 and 11 on the cover pages to this Schedule 13G, including the footnotes thereto, is hereby incorporated by reference. 2,588,273
	(ii) Shared power to vote or to direct the vote: The information in rows 5 through 9 and 11 on the cover pages to this Schedule 13G, including the footnotes thereto, is hereby incorporated by reference. 69,841
	(iii) Sole power to dispose or to direct the disposition of: The information in rows 5 through 9 and 11 on the cover pages to this Schedule 13G, including the footnotes thereto, is hereby incorporated by reference. 1,417,613
	(iv) Shared power to dispose or to direct the disposition of: The information in rows 5 through 9 and 11 on the cover pages to this Schedule 13G, including the footnotes thereto, is hereby incorporated by reference. 917,892
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10. Certifications:

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Matthew M Rizai

Signature:	/s/ Matthew M. Rizai
Name/Title:	Matthew M. Rizai
Date:	02/13/2026

FAQ

What ownership stake in Workiva (WK) does Matthew M. Rizai report?

Matthew M. Rizai reports beneficial ownership of 2,658,114 shares tied to Workiva Class A common stock, representing 4.8% of the class as of December 31, 2025. This reflects reported ownership of five percent or less of that class.

How is Matthew M. Rizai’s Workiva (WK) ownership structured between Class A and Class B shares?

Rizai’s reported 2,658,114-share position includes both Class A and Class B common stock. Each Class B share converts into one Class A share and carries ten votes, and holdings are spread across revocable trusts, marital trusts, and family trusts with different voting and dispositive powers.

What voting power does Matthew M. Rizai have from his Workiva (WK) Class B shares?

Each Workiva Class B share carries ten votes, compared with one vote for each Class A share. As of December 31, 2025, there were 3,607,583 Class B shares outstanding, including 1,985,109 Class B shares beneficially owned by Rizai, giving him significant voting influence.

Does Matthew M. Rizai’s Workiva (WK) ownership include stock options?

Yes. The filing states that Rizai’s beneficial ownership includes 140,204 shares of Class A common stock that may be acquired within 60 days upon exercise of outstanding options. These option shares are counted solely for calculating his individual ownership percentage in the filing.

Through what entities does Matthew M. Rizai hold his Workiva (WK) shares?

Rizai’s holdings include shares in the Matthew Rizai Revocable Trust, a marital trust dated August 7, 2013, joint tenancy with Svetlana Skopcenko Rizai, and several family trusts where trustees such as Barbara Schlaff and Ms. Skopcenko Rizai hold dispositive power, sometimes under irrevocable voting proxies.

What does it mean that Workiva (WK) ownership is reported as 5 percent or less?

The filing’s Item 5 notes ownership of 5 percent or less of a class, and Rizai’s reported stake is 4.8% of Workiva’s Class A common stock. This indicates his beneficial ownership has dropped below the 5% reporting threshold for that class as of the stated date.