Key facts
- This page summarizes Martin J. Vanderploeg's Form 4 filing for WORKIVA INC (WK).
- 1 reported transaction and 2 derivative rows are listed below.
- Accepted by SEC: 20 Aug 2026, 16:18.
Martin J. Vanderploeg - 18 Aug 2026 Form 4 Insider Report for WORKIVA INC (WK)
- Reporting relationship
- Director
- Issuer ticker
- WK
- Reported as of
- 18 Aug 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 20 Aug 2026, 16:18:13 UTC
- Prior SEC filing
- 03 Jun 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Brandon E. Ziegler as attorney-in-fact for Martin J. Vanderploeg
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Martin J. Vanderploeg filed Form 4 for WORKIVA INC (WK) on 20 Aug 2026.
Change
- Previous filing in this sequence was filed on 03 Jun 2026.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001014008
Primary reporting owner
VANDERPLOEG MARTIN J.
- Relationship
- Director
- Address
- 2900 UNIVERSITY BOULEVARD, AMES
- Signature
- /s/ Brandon E. Ziegler as attorney-in-fact for Martin J. Vanderploeg
- Signature date
- 20 Aug 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
WK
transaction
Class A Common Stock
Gift
- Transaction value
- Shares
- -2,780
- Change %
- -0.63%
- Price
- $0.000000*
- Shares after
- 437,105
- Date
- 18 Aug 2026
- Ownership
- By living trust
WK
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 292,275
- Date
- 18 Aug 2026
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
WK
holding
Derivative
Class B Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 1,201,832
- Date
- 18 Aug 2026
- Ownership
- By living trust
- Underlying class
- Class A Common Stock
- Underlying amount
- 1,201,832
- Exercise price
- Footnotes
- F1
WK
holding
Derivative
Employee Stock Option to Purchase Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 200,204
- Date
- 18 Aug 2026
- Ownership
- Direct
- Underlying class
- Class A Common Stock
- Underlying amount
- 200,204
- Exercise price
- $12.40
- Footnotes
- F2, F3
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 3 footnotes
Footnote F1
Each share of Class B Common Stock is convertible, at any time at the election of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (i) the date specified by the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, (ii) any transfer, except for certain "qualified transfers" (as defined in the Issuer's Certificate of Incorporation) or (iii) upon the death of a natural person holding shares of Class B Common Stock (subject to certain exceptions as defined in the Issuer's Certificate of Incorporation).
Footnote F2
Grant of stock option pursuant to the Workiva Inc. 2014 Equity Incentive Plan.
Footnote F3
Vests in three equal annual installments commencing on the first anniversary of the grant date.