Last 12 months
Inside the activity.
0 purchase rows · 6 sale rows
Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.Monthly counts
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 0 | 1 |
| Dec 2025 | 0 | 2 |
| Jan 2026 | 0 | 0 |
| Feb 2026 | 0 | 0 |
| Mar 2026 | 0 | 0 |
| Apr 2026 | 0 | 0 |
| May 2026 | 0 | 1 |
| Jun 2026 | 0 | 1 |
| Jul 2026 | 0 | 0 |
| Aug 2026 | 0 | 1 |
| Sep 2026 | 0 | 0 |
| Oct 2026 | 0 | 0 |
Latest available
Insider transactions
Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| September 15, 2026 Filed Sep 16, 2026 22:43 UTC |
VANDERPLOEG MARTIN J.Director
|
GiftClass B Common Stock · Derivative | 60,000 | $0.00 | $0.00 |
DisclosureSEC source: 0001014008-26-000008 · wk-form4_1789598605.xml · derivative · entry 4 VANDERPLOEG MARTIN J. · CIK 0001014008 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · By family trust Disclosed balance after: 60,000 Underlying: Class A Common Stock · 60,000 shares Expires not disclosed F1 · security: 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). F1 · derivative.exercise_price: 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). F2 · shares: On September 15, 2026, the reporting person contributed 60,000 shares of indirectly owned Class B Common Stock to an irrevocable trust for which the Reporting Person serves as an investment advisor, and of which the Reporting Person's immediate family member is beneficiary. F1 · derivative.exercise_date: 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). F1 · derivative.expiration_date: 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). Read SEC document |
| September 15, 2026 Filed Sep 16, 2026 22:43 UTC |
VANDERPLOEG MARTIN J.Director
|
GiftClass B Common Stock · Derivative | 60,000 | $0.00 | $0.00 |
DisclosureSEC source: 0001014008-26-000008 · wk-form4_1789598605.xml · derivative · entry 3 VANDERPLOEG MARTIN J. · CIK 0001014008 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · By living trust Disclosed balance after: 1,141,832 Underlying: Class A Common Stock · 60,000 shares Expires not disclosed F1 · security: 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). F1 · derivative.exercise_price: 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). F2 · shares: On September 15, 2026, the reporting person contributed 60,000 shares of indirectly owned Class B Common Stock to an irrevocable trust for which the Reporting Person serves as an investment advisor, and of which the Reporting Person's immediate family member is beneficiary. F1 · derivative.exercise_date: 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). F1 · derivative.expiration_date: 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). Read SEC document |
| September 01, 2026 Filed Sep 2, 2026 20:29 UTC |
Swain JunkoSVP, Chief Accounting Officer
|
Tax withholdingClass A Common Stock | 2,151 | $76.70 | $164,981.70 |
DisclosureSEC source: 0001990482-26-000010 · wk-form4_1788380949.xml · nonDerivative · entry 1 Swain Junko · CIK 0001990482 · SVP, Chief Accounting Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 28,830 F1 · kind: Shares delivered to the issuer for payment of withholding taxes due upon the vesting of restricted stock units previously granted. F2 · balance_after: Includes 147 shares purchased by the Reporting Person under the Workiva Inc. Employee Stock Purchase Plan on July 15, 2026. Read SEC document |
| August 20, 2026 Filed Aug 21, 2026 20:22 UTC |
Ziegler BrandonEVP, CLO, CAO & Corp Secretary
|
SaleClass A Common Stock | 6,571 | $75.97 | $499,198.87 |
DisclosureSEC source: 0001809344-26-000008 · wk-form4_1787343756.xml · nonDerivative · entry 1 Ziegler Brandon · CIK 0001809344 · EVP, CLO, CAO & Corp Secretary 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 126,216 F1 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $75.76 to $76.19. For all transactions reported in this Form 4 utilizing a weighted-average price, the reporting person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range. F2 · balance_after: Includes 147 shares purchased by the Reporting Person under the Workiva Inc. Employee Stock Purchase Plan on July 14, 2026 Read SEC document |
| August 18, 2026 Filed Aug 20, 2026 20:18 UTC |
VANDERPLOEG MARTIN J.Director
|
GiftClass A Common Stock | 2,780 | $0.00 | $0.00 |
DisclosureSEC source: 0001014008-26-000006 · wk-form4_1787257091.xml · nonDerivative · entry 1 VANDERPLOEG MARTIN J. · CIK 0001014008 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · By living trust Disclosed balance after: 437,105 Read SEC document |
| June 04, 2026 Filed Jun 8, 2026 20:04 UTC |
Herz Robert HDirector
|
SaleClass A Common Stock | 1,500 | $51.23 | $76,845.00 |
DisclosureSEC source: 0001523753-26-000006 · wk-form4_1780949084.xml · nonDerivative · entry 1 Herz Robert H · CIK 0001523753 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 37,372 Read SEC document |
| June 01, 2026 Filed Jun 3, 2026 20:47 UTC |
VANDERPLOEG MARTIN J.Director
|
GrantClass A Common Stock | 4,070 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001014008-26-000004 · wk-form4_1780519622.xml · nonDerivative · entry 2 VANDERPLOEG MARTIN J. · CIK 0001014008 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 292,275 F2 · kind: Grant of restricted stock units pursuant to the Workiva Inc. 2014 Equity Incentive Plan. F2 · price: Grant of restricted stock units pursuant to the Workiva Inc. 2014 Equity Incentive Plan. Read SEC document |
| June 01, 2026 Filed Jun 3, 2026 20:47 UTC |
VANDERPLOEG MARTIN J.Director
|
Tax withholdingClass A Common Stock | 28,942 | $52.83 | $1,529,005.86 |
DisclosureSEC source: 0001014008-26-000004 · wk-form4_1780519622.xml · nonDerivative · entry 1 VANDERPLOEG MARTIN J. · CIK 0001014008 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 288,205 F1 · kind: Shares delivered to the issuer for the payment of withholding taxes due upon the vesting of restricted stock units previously granted. Read SEC document |
| June 01, 2026 Filed Jun 3, 2026 20:52 UTC |
PEEK MARK SDirector
|
GrantClass A Common Stock | 4,070 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001184754-26-000004 · wk-form4_1780519917.xml · nonDerivative · entry 1 PEEK MARK S · CIK 0001184754 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 6,070 F1 · kind: Grant of restricted stock units pursuant to the Workiva Inc. 2014 Equity Incentive Plan. F1 · price: Grant of restricted stock units pursuant to the Workiva Inc. 2014 Equity Incentive Plan. Read SEC document |
| June 01, 2026 Filed Jun 3, 2026 20:43 UTC |
RADIA SUKU V.Director
|
GrantClass A Common Stock | 4,070 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001196027-26-000004 · wk-form4_1780519432.xml · nonDerivative · entry 1 RADIA SUKU V. · CIK 0001196027 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 15,643 F1 · kind: Grant of restricted stock units pursuant to the Workiva Inc. 2014 Equity Incentive Plan. F1 · price: Grant of restricted stock units pursuant to the Workiva Inc. 2014 Equity Incentive Plan. Read SEC document |
| June 01, 2026 Filed Jun 3, 2026 20:41 UTC |
Malik AsthaDirector
|
GrantClass A Common Stock | 4,070 | Not disclosed | Not disclosed |
DisclosureSEC source: 0002060697-26-000008 · wk-form4_1780519259.xml · nonDerivative · entry 1 Malik Astha · CIK 0002060697 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,288 F1 · kind: Grant of restricted stock units pursuant to the Workiva Inc. 2014 Equity Incentive Plan. F1 · price: Grant of restricted stock units pursuant to the Workiva Inc. 2014 Equity Incentive Plan. Read SEC document |
| June 01, 2026 Filed Jun 3, 2026 20:37 UTC |
Herren Richard ScottDirector
|
GrantClass A Common Stock | 4,070 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001340472-26-000009 · wk-form4_1780519054.xml · nonDerivative · entry 1 Herren Richard Scott · CIK 0001340472 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 4,947 F1 · kind: Grant of restricted stock units pursuant to the Workiva Inc. 2014 Equity Incentive Plan. F1 · price: Grant of restricted stock units pursuant to the Workiva Inc. 2014 Equity Incentive Plan. Read SEC document |
| June 01, 2026 Filed Jun 3, 2026 20:34 UTC |
Herz Robert HDirector
|
GrantClass A Common Stock | 4,070 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001523753-26-000004 · wk-form4_1780518869.xml · nonDerivative · entry 1 Herz Robert H · CIK 0001523753 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 38,872 F1 · kind: Grant of restricted stock units pursuant to the Workiva Inc. 2014 Equity Incentive Plan. F1 · price: Grant of restricted stock units pursuant to the Workiva Inc. 2014 Equity Incentive Plan. Read SEC document |
| June 01, 2026 Filed Jun 3, 2026 20:29 UTC |
CROW MICHAEL MDirector
|
GrantClass A Common Stock | 4,070 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001244046-26-000004 · wk-form4_1780518574.xml · nonDerivative · entry 1 CROW MICHAEL M · CIK 0001244046 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,288 F1 · kind: Grant of restricted stock units pursuant to the Workiva Inc. 2014 Equity Incentive Plan. F1 · price: Grant of restricted stock units pursuant to the Workiva Inc. 2014 Equity Incentive Plan. Read SEC document |
| May 29, 2026 Filed Jun 2, 2026 20:31 UTC |
Herz Robert HDirector
|
SaleClass A Common Stock | 1,000 | $49.69 | $49,690.00 |
DisclosureSEC source: 0001523753-26-000002 · wk-form4_1780432272.xml · nonDerivative · entry 1 Herz Robert H · CIK 0001523753 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 34,802 Read SEC document |
| April 03, 2026 Filed Apr 6, 2026 20:06 UTC |
Iskow JulieDirector · President & CEO
|
Tax withholdingClass A Common Stock | 7,578 | $60.00 | $454,680.00 |
DisclosureSEC source: 0001776078-26-000010 · wk-form4_1775505971.xml · nonDerivative · entry 1 Iskow Julie · CIK 0001776078 · Director · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 460,530 F1 · kind: Shares delivered to the issuer for payment of withholding taxes due upon the vesting of restricted stock units previously granted. Read SEC document |
| March 02, 2026 Filed Mar 3, 2026 21:25 UTC |
Herren Richard ScottDirector
|
GrantClass A Common Stock | 877 | Not disclosed | Not disclosed |
DisclosureSEC source: 0001340472-26-000007 · wk-form4_1772573151.xml · nonDerivative · entry 1 Herren Richard Scott · CIK 0001340472 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 877 F1 · kind: Grant of restricted stock units pursuant to the Workiva Inc. 2014 Equity Incentive Plan (as Amended and Restated May 30, 2024). F1 · price: Grant of restricted stock units pursuant to the Workiva Inc. 2014 Equity Incentive Plan (as Amended and Restated May 30, 2024). Read SEC document |
| March 01, 2026 Filed Mar 3, 2026 21:17 UTC |
Iskow JulieDirector · President & CEO
|
Tax withholdingClass A Common Stock | 2,577 | $61.58 | $158,691.66 |
DisclosureSEC source: 0001776078-26-000008 · wk-form4_1772572638.xml · nonDerivative · entry 3 Iskow Julie · CIK 0001776078 · Director · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 468,108 F3 · kind: Shares delivered to the issuer for payment of withholding taxes due upon the vesting of restricted stock units previously granted. Read SEC document |
| March 01, 2026 Filed Mar 3, 2026 21:17 UTC |
Iskow JulieDirector · President & CEO
|
Tax withholdingClass A Common Stock | 2,208 | $61.58 | $135,968.64 |
DisclosureSEC source: 0001776078-26-000008 · wk-form4_1772572638.xml · nonDerivative · entry 2 Iskow Julie · CIK 0001776078 · Director · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 470,685 F2 · kind: Shares delivered to the issuer for the payment of withholding taxes due upon the vesting of PSUs previously granted. Read SEC document |
| March 01, 2026 Filed Mar 3, 2026 21:17 UTC |
Iskow JulieDirector · President & CEO
|
GrantClass A Common Stock | 4,092 | $0.00 | $0.00 |
DisclosureSEC source: 0001776078-26-000008 · wk-form4_1772572638.xml · nonDerivative · entry 1 Iskow Julie · CIK 0001776078 · Director · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 472,893 F1 · shares: Represents shares of issuer common stock earned in connection with performance restricted stock units ("PSUs") granted to the Reporting Person on February 1, 2024. The Compensation Committee certified the performance conditions and the PSUs were earned and vested at 200% of the target for the 2024-2025 performance period. Subject to the continued employment of the Reporting Person and achievement of applicable annual revenue growth rate goals, additional PSUs will vest following the completion of the remaining calendar year in the three-year performance period. Read SEC document |
| February 11, 2026 Filed Feb 13, 2026 21:14 UTC |
Ziegler BrandonEVP, CLO, CAO & Corp Secretary
|
Tax withholdingClass A Common Stock | 8,730 | $64.95 | $567,013.50 |
DisclosureSEC source: 0001809344-26-000006 · wk-form4_1771017284.xml · nonDerivative · entry 4 Ziegler Brandon · CIK 0001809344 · EVP, CLO, CAO & Corp Secretary 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 132,640 F4 · kind: Shares delivered to the issuer for the payment of withholding taxes due upon the vesting of PSUs previously granted. Read SEC document |
| February 11, 2026 Filed Feb 13, 2026 21:14 UTC |
Ziegler BrandonEVP, CLO, CAO & Corp Secretary
|
GrantClass A Common Stock | 3,803 | $0.00 | $0.00 |
DisclosureSEC source: 0001809344-26-000006 · wk-form4_1771017284.xml · nonDerivative · entry 3 Ziegler Brandon · CIK 0001809344 · EVP, CLO, CAO & Corp Secretary 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 141,370 F3 · shares: Represents shares of issuer common stock earned in connection with performance restricted stock units ("PSUs") granted to the Reporting Person on February 3, 2025. The Compensation Committee certified the performance conditions and the PSUs were earned and vested at 100% of the target for the 2025 performance period. Subject to the continued employment of the Reporting Person and achievement of applicable annual revenue growth rate goals, additional PSUs will vest following the completion of the remaining calendar years in the three-year performance period. Read SEC document |
| February 11, 2026 Filed Feb 13, 2026 21:14 UTC |
Ziegler BrandonEVP, CLO, CAO & Corp Secretary
|
GrantClass A Common Stock | 7,340 | $0.00 | $0.00 |
DisclosureSEC source: 0001809344-26-000006 · wk-form4_1771017284.xml · nonDerivative · entry 2 Ziegler Brandon · CIK 0001809344 · EVP, CLO, CAO & Corp Secretary 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 137,567 F2 · shares: Represents shares of issuer common stock earned in connection with performance restricted stock units ("PSUs") granted to the Reporting Person on February 1, 2024. The Compensation Committee certified the performance conditions and the PSUs were earned and vested at 200% of the target for the 2024-2025 performance period. Subject to the continued employment of the Reporting Person and achievement of applicable annual revenue growth rate goals, additional PSUs will vest following the completion of the remaining calendar year in the three-year performance period. Read SEC document |
| February 11, 2026 Filed Feb 13, 2026 21:14 UTC |
Ziegler BrandonEVP, CLO, CAO & Corp Secretary
|
GrantClass A Common Stock | 5,954 | $0.00 | $0.00 |
DisclosureSEC source: 0001809344-26-000006 · wk-form4_1771017284.xml · nonDerivative · entry 1 Ziegler Brandon · CIK 0001809344 · EVP, CLO, CAO & Corp Secretary 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 130,227 F1 · shares: Represents shares of issuer common stock earned in connection with performance restricted stock units ("PSUs") granted to the Reporting Person on February 1, 2023. The Compensation Committee certified the performance conditions and the PSUs were earned and vested at 162.5% of the target for the 2023-2025 performance period. These PSUs became fully vested upon certification by the Compensation Committee. Read SEC document |
| February 11, 2026 Filed Feb 13, 2026 21:13 UTC |
Iskow JulieDirector · President & CEO
|
Tax withholdingClass A Common Stock | 26,166 | $64.95 | $1,699,481.70 |
DisclosureSEC source: 0001776078-26-000006 · wk-form4_1771017183.xml · nonDerivative · entry 4 Iskow Julie · CIK 0001776078 · Director · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 468,801 F4 · kind: Shares delivered to the issuer for the payment of withholding taxes due upon the vesting of PSUs previously granted. Read SEC document |
| February 11, 2026 Filed Feb 13, 2026 21:13 UTC |
Iskow JulieDirector · President & CEO
|
GrantClass A Common Stock | 14,390 | $0.00 | $0.00 |
DisclosureSEC source: 0001776078-26-000006 · wk-form4_1771017183.xml · nonDerivative · entry 3 Iskow Julie · CIK 0001776078 · Director · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 494,967 F3 · shares: Represents shares of issuer common stock earned in connection with performance restricted stock units ("PSUs") granted to the Reporting Person on February 3, 2025. The Compensation Committee certified the performance conditions and the PSUs were earned and vested at 100% of the target for the 2025 performance period. Subject to the continued employment of the Reporting Person and achievement of applicable annual revenue growth rate goals, additional PSUs will vest following the completion of the remaining calendar years in the three-year performance period. Read SEC document |
| February 11, 2026 Filed Feb 13, 2026 21:13 UTC |
Iskow JulieDirector · President & CEO
|
GrantClass A Common Stock | 20,972 | $0.00 | $0.00 |
DisclosureSEC source: 0001776078-26-000006 · wk-form4_1771017183.xml · nonDerivative · entry 2 Iskow Julie · CIK 0001776078 · Director · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 480,577 F2 · shares: Represents shares of issuer common stock earned in connection with performance restricted stock units ("PSUs") granted to the Reporting Person on February 1, 2024. The Compensation Committee certified the performance conditions and the PSUs were earned and vested at 200% of the target for the 2024-2025 performance period. Subject to the continued employment of the Reporting Person and achievement of applicable annual revenue growth rate goals, additional PSUs will vest following the completion of the remaining calendar year in the three-year performance period. Read SEC document |
| February 11, 2026 Filed Feb 13, 2026 21:13 UTC |
Iskow JulieDirector · President & CEO
|
GrantClass A Common Stock | 13,135 | $0.00 | $0.00 |
DisclosureSEC source: 0001776078-26-000006 · wk-form4_1771017183.xml · nonDerivative · entry 1 Iskow Julie · CIK 0001776078 · Director · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 459,605 F1 · shares: Represents shares of issuer common stock earned in connection with performance restricted stock units ("PSUs") granted to the Reporting Person on February 1, 2023. The Compensation Committee certified the performance conditions and the PSUs were earned and vested at 162.5% of the target for the 2023-2025 performance period. These PSUs became fully vested upon certification by the Compensation Committee. Read SEC document |
| February 11, 2026 Filed Feb 13, 2026 21:16 UTC |
Swain JunkoSVP, Chief Accounting Officer
|
Tax withholdingClass A Common Stock | 374 | $64.95 | $24,291.30 |
DisclosureSEC source: 0001990482-26-000008 · wk-form4_1771017369.xml · nonDerivative · entry 2 Swain Junko · CIK 0001990482 · SVP, Chief Accounting Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 30,834 F2 · kind: Shares delivered to the issuer for the payment of withholding taxes due upon the vesting of PSUs previously granted. Read SEC document |
| February 11, 2026 Filed Feb 13, 2026 21:16 UTC |
Swain JunkoSVP, Chief Accounting Officer
|
GrantClass A Common Stock | 771 | $0.00 | $0.00 |
DisclosureSEC source: 0001990482-26-000008 · wk-form4_1771017369.xml · nonDerivative · entry 1 Swain Junko · CIK 0001990482 · SVP, Chief Accounting Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 31,208 F1 · shares: Represents shares of issuer common stock earned in connection with performance restricted stock units ("PSUs") granted to the Reporting Person on February 3, 2025. The Compensation Committee certified the performance conditions and the PSUs were earned and vested at 100% of the target for the 2025 performance period. Subject to the continued employment of the Reporting Person and achievement of applicable annual revenue growth rate goals, additional PSUs will vest following the completion of the remaining calendar years in the three-year performance period. Read SEC document |
| February 03, 2026 Filed Feb 4, 2026 21:30 UTC |
Ziegler BrandonEVP, CLO, CAO & Corp Secretary
|
Tax withholdingClass A Common Stock | 4,531 | $72.00 | $326,232.00 |
DisclosureSEC source: 0001809344-26-000004 · wk-form4_1770240639.xml · nonDerivative · entry 1 Ziegler Brandon · CIK 0001809344 · EVP, CLO, CAO & Corp Secretary 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 124,273 F1 · kind: Shares delivered to the issuer for the payment of withholding taxes due upon the vesting of restricted stock units previously granted. Read SEC document |
| February 03, 2026 Filed Feb 4, 2026 21:26 UTC |
Iskow JulieDirector · President & CEO
|
Tax withholdingClass A Common Stock | 18,115 | $72.00 | $1,304,280.00 |
DisclosureSEC source: 0001776078-26-000004 · wk-form4_1770240408.xml · nonDerivative · entry 1 Iskow Julie · CIK 0001776078 · Director · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 446,470 F1 · kind: Shares delivered to the issuer for the payment of withholding taxes due upon the vesting of restricted stock units previously granted. Read SEC document |
| February 03, 2026 Filed Feb 4, 2026 21:36 UTC |
Swain JunkoSVP, Chief Accounting Officer
|
Tax withholdingClass A Common Stock | 650 | $72.00 | $46,800.00 |
DisclosureSEC source: 0001990482-26-000004 · wk-form4_1770240967.xml · nonDerivative · entry 1 Swain Junko · CIK 0001990482 · SVP, Chief Accounting Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 30,437 F1 · kind: Shares delivered to the issuer for the payment of withholding taxes due upon the vesting of restricted stock units previously granted. Read SEC document |
| February 02, 2026 Filed Feb 3, 2026 22:00 UTC |
Ziegler BrandonEVP, CLO, CAO & Corp Secretary
|
GrantClass A Common Stock | 33,839 | $76.54 | $2,590,037.06 |
DisclosureSEC source: 0001809344-26-000002 · wk-form4_1770156011.xml · nonDerivative · entry 2 Ziegler Brandon · CIK 0001809344 · EVP, CLO, CAO & Corp Secretary 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 128,804 F3 · kind: Grant of restricted stock units pursuant to the 2014 Equity Incentive Plan. F4 · shares: Vests in three equal annual installments commencing on the first anniversary of the grant date. F2 · balance_after: Includes 109 shares purchased by the Reporting Person under the Workiva Inc. Employee Stock Purchase Plan on July 14, 2025, and 185 shares purchased by the Reporting Person under the Workiva Inc. Employee Stock Purchase Plan on January 14, 2026. Read SEC document |
| February 02, 2026 Filed Feb 3, 2026 21:53 UTC |
Iskow JulieDirector · President & CEO
|
GrantClass A Common Stock | 128,038 | $76.54 | $9,800,028.52 |
DisclosureSEC source: 0001776078-26-000002 · wk-form4_1770155582.xml · nonDerivative · entry 2 Iskow Julie · CIK 0001776078 · Director · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 464,585 F2 · kind: Grant of restricted stock units pursuant to the 2014 Equity Incentive Plan. F3 · shares: Vests in three equal annual installments commencing on the first anniversary of the grant date. Read SEC document |
| February 02, 2026 Filed Feb 3, 2026 22:06 UTC |
Swain JunkoSVP, Chief Accounting Officer
|
GrantClass A Common Stock | 6,859 | $76.54 | $524,987.86 |
DisclosureSEC source: 0001990482-26-000002 · wk-form4_1770156396.xml · nonDerivative · entry 2 Swain Junko · CIK 0001990482 · SVP, Chief Accounting Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 31,087 F3 · kind: Grant of restricted stock units pursuant to the 2014 Equity Incentive Plan. F4 · shares: Vests in four equal annual installments commencing on the first anniversary of the grant date. F2 · balance_after: Includes 185 shares purchased by the Reporting Person under the Workiva Inc. Employee Stock Purchase Plan on January 14, 2025. Read SEC document |
| February 02, 2026 Filed Feb 3, 2026 21:56 UTC |
Larson Barbara AEVP, CFO & Treasurer
|
GrantClass A Common Stock | 141,103 | $76.54 | $10,800,023.62 |
DisclosureSEC source: 0001904150-26-000008 · wk-form4_1770155815.xml · nonDerivative · entry 1 Larson Barbara A · CIK 0001904150 · EVP, CFO & Treasurer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 141,103 F1 · kind: Grant of restricted stock units pursuant to the 2014 Equity Incentive Plan. Consists of 104,521 RSUs granted in connection with her hiring and pursuant to her employment agreement, and 36,582 RSUs granted as per the Company's annual granting procedures. F2 · shares: Vests in three equal annual installments commencing on the first anniversary of the grant date. Read SEC document |
| February 01, 2026 Filed Feb 3, 2026 21:49 UTC |
VANDERPLOEG MARTIN J.Director
|
Tax withholdingClass A Common Stock | 560 | $77.02 | $43,131.20 |
DisclosureSEC source: 0001014008-26-000002 · wk-form4_1770155351.xml · nonDerivative · entry 1 VANDERPLOEG MARTIN J. · CIK 0001014008 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 317,147 F1 · kind: Shares delivered to the issuer for the payment of withholding taxes due upon the vesting of restricted stock units previously granted. Read SEC document |
| February 01, 2026 Filed Feb 3, 2026 22:00 UTC |
Ziegler BrandonEVP, CLO, CAO & Corp Secretary
|
Tax withholdingClass A Common Stock | 8,838 | $77.02 | $680,702.76 |
DisclosureSEC source: 0001809344-26-000002 · wk-form4_1770156011.xml · nonDerivative · entry 1 Ziegler Brandon · CIK 0001809344 · EVP, CLO, CAO & Corp Secretary 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 94,965 F1 · kind: Shares delivered to the issuer for the payment of withholding taxes due upon the vesting of restricted stock units previously granted. F2 · balance_after: Includes 109 shares purchased by the Reporting Person under the Workiva Inc. Employee Stock Purchase Plan on July 14, 2025, and 185 shares purchased by the Reporting Person under the Workiva Inc. Employee Stock Purchase Plan on January 14, 2026. Read SEC document |
| February 01, 2026 Filed Feb 3, 2026 21:53 UTC |
Iskow JulieDirector · President & CEO
|
Tax withholdingClass A Common Stock | 23,460 | $77.02 | $1,806,889.20 |
DisclosureSEC source: 0001776078-26-000002 · wk-form4_1770155582.xml · nonDerivative · entry 1 Iskow Julie · CIK 0001776078 · Director · President & CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 336,547 F1 · kind: Shares delivered to the issuer for the payment of withholding taxes due upon the vesting of restricted stock units previously granted. Read SEC document |
| February 01, 2026 Filed Feb 3, 2026 22:06 UTC |
Swain JunkoSVP, Chief Accounting Officer
|
Tax withholdingClass A Common Stock | 618 | $77.02 | $47,598.36 |
DisclosureSEC source: 0001990482-26-000002 · wk-form4_1770156396.xml · nonDerivative · entry 1 Swain Junko · CIK 0001990482 · SVP, Chief Accounting Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 24,228 F1 · kind: Shares delivered to the issuer for the payment of withholding taxes due upon the vesting of restricted stock units previously granted. F2 · balance_after: Includes 185 shares purchased by the Reporting Person under the Workiva Inc. Employee Stock Purchase Plan on January 14, 2025. Read SEC document |
| January 21, 2026 Filed Feb 3, 2026 21:49 UTC |
VANDERPLOEG MARTIN J.Director
|
GiftClass B Common Stock · Derivative | 491,270 | $0.00 | $0.00 |
DisclosureSEC source: 0001014008-26-000002 · wk-form4_1770155351.xml · derivative · entry 4 VANDERPLOEG MARTIN J. · CIK 0001014008 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · By living trust Disclosed balance after: 1,201,832 Underlying: Class A Common Stock · 491,270 shares Expires not disclosed F2 · security: 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). F2 · derivative.exercise_price: 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). F2 · derivative.exercise_date: 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). F2 · derivative.expiration_date: 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). Read SEC document |
| January 21, 2026 Filed Feb 3, 2026 21:49 UTC |
VANDERPLOEG MARTIN J.Director
|
GiftClass B Common Stock · Derivative | 491,270 | $0.00 | $0.00 |
DisclosureSEC source: 0001014008-26-000002 · wk-form4_1770155351.xml · derivative · entry 3 VANDERPLOEG MARTIN J. · CIK 0001014008 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · By charitable remainder trust Disclosed balance after: 0 Underlying: Class A Common Stock · 491,270 shares Expires not disclosed F2 · security: 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). F2 · derivative.exercise_price: 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). F2 · derivative.exercise_date: 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). F2 · derivative.expiration_date: 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). Read SEC document |
| December 10, 2025 Filed Dec 12, 2025 21:13 UTC |
MULCAHY DAVID S.Director
|
SaleClass A Common Stock | 1,162 | $91.50 | $106,323.00 |
DisclosureSEC source: 0001260541-25-000003 · wk-form4_1765574027.xml · nonDerivative · entry 1 MULCAHY DAVID S. · CIK 0001260541 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 240,373 Read SEC document |
| December 10, 2025 Filed Dec 12, 2025 21:10 UTC |
Herz Robert HDirector
|
SaleClass A Common Stock | 1,500 | $91.44 | $137,160.00 |
DisclosureSEC source: 0001523753-25-000005 · wk-form4_1765573817.xml · nonDerivative · entry 1 Herz Robert H · CIK 0001523753 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 35,802 Read SEC document |
| November 26, 2025 Filed Dec 1, 2025 21:16 UTC |
MULCAHY DAVID S.Director
|
SaleClass A Common Stock | 808 | $92.01 | $74,344.08 |
DisclosureSEC source: 0001445305-25-000146 · wk-form4_1764623761.xml · nonDerivative · entry 1 MULCAHY DAVID S. · CIK 0001260541 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 241,535 F1 · price: The price reported in Column 4 is a weighted-average price. The price actually received ranges from $92.00 to $92.04. For all transactions reported in this Form 4 utilizing a weighted-average price, the reporting person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range. Read SEC document |
| October 30, 2025 Filed Feb 13, 2026 21:19 UTC |
CROW MICHAEL MDirector
|
GiftClass A Common Stock | 34,889 | $0.00 | $0.00 |
DisclosureSEC source: 0001244046-26-000002 · wk-form5_1771017581.xml · nonDerivative · entry 2 CROW MICHAEL M · CIK 0001244046 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · By family trust Disclosed balance after: 46,332 F1 · kind: Represents a gift of securities by the Reporting Person to a family trust. Read SEC document |
| October 30, 2025 Filed Feb 13, 2026 21:19 UTC |
CROW MICHAEL MDirector
|
GiftClass A Common Stock | 34,889 | $0.00 | $0.00 |
DisclosureSEC source: 0001244046-26-000002 · wk-form5_1771017581.xml · nonDerivative · entry 1 CROW MICHAEL M · CIK 0001244046 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 3,218 F1 · kind: Represents a gift of securities by the Reporting Person to a family trust. Read SEC document |
| September 02, 2025 Filed Sep 3, 2025 20:59 UTC |
Swain JunkoSVP, Chief Accounting Officer
|
Tax withholdingClass A Common Stock | 2,093 | $82.24 | $172,128.32 |
DisclosureSEC source: 0001445305-25-000127 · wk-form4_1756933162.xml · nonDerivative · entry 1 Swain Junko · CIK 0001990482 · SVP, Chief Accounting Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 24,661 F1 · kind: Shares delivered to the issuer for the payment of withholding taxes due upon the vesting of restricted stock units previously granted. F2 · balance_after: Includes 109 shares purchased by the Reporting Person under the Workiva Inc. Employee Stock Purchase Plan on July 14, 2025. Read SEC document |
| June 16, 2025 Filed Feb 13, 2026 21:18 UTC |
RADIA SUKU V.Director
|
GiftClass A Common Stock | 1,645 | $0.00 | $0.00 |
DisclosureSEC source: 0001196027-26-000002 · wk-form5_1771017482.xml · nonDerivative · entry 2 RADIA SUKU V. · CIK 0001196027 · Director 10b5-1 filing: No plan indicated Ownership: Indirect · By Trust Disclosed balance after: 29,799 F1 · kind: Represents a gift of securities by the Reporting Person to a revocable trust. Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.