Comparable stake leader
BlackRock, Inc.
SEC ownership of WORKIVA INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001445305.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
04 Jun 2026
- Public ticker
- WK on NYSE
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
BlackRock, Inc.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
04 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001445305
- Issuer location
- Ames, IA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of WORKIVA INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
04 Jun 2026
13D/G
13F
3/4/5
Lead comparable stake: 8.1%
13D/G row: BlackRock, Inc.
Showing 1-8 of 50 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 8.1%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
8.1%
T. Rowe Price Investment Manageme...
4.9%
Matthew M. Rizai
4.8%
EMINENCE CAPITAL, LP
4.8%
FMR LLC
3.4%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13D/G
13F
Company
|
8.1%
|
$314,357,867
4,227,513 shares
|
$0 | 31 Mar 2025 |
| T. Rowe Price Investment Management, Inc. |
13D/G
|
4.9%
|
$173,630,202
2,536,599 shares
|
-$20,406,588 | 30 Jun 2025 |
| Matthew M. Rizai |
13D/G
|
4.8%
|
$220,543,719
2,658,114 shares
|
$0 | 31 Dec 2025 |
| EMINENCE CAPITAL, LP |
13F
13D/G
Company
|
4.8%
from 13D/G
|
$150,260,981
2,519,889 shares
|
— | 31 Mar 2026 |
| FMR LLC |
13D/G
13F
Company
|
3.4%
|
$121,707,447
1,778,049 shares
|
-$100,241,466 | 30 Jun 2025 |
| Julie Iskow |
3/4/5
President & CEO, Director
|
0.88%
|
$27,461,403
460,530 shares
|
— | 03 Apr 2026 |
| David S. Mulcahy |
3/4/5
Director
|
0.46%
|
$21,994,129
240,373 shares
|
-$180,667 | 10 Dec 2025 |
| Barbara A. Larson |
3/4/5
EVP, CFO & Treasurer
|
0.27%
|
$10,800,023
141,103 shares
|
— | 02 Feb 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$444,362.
Buys
$0
Insiders: 0
Sells
$444,362
Insiders: 2
Net
-$444,362
Shares: -5,970
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 5,970
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 2,500 | $0 | $126,535 | -$126,535 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 3,470 | $0 | $317,827 | -$317,827 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-17 of 17 reporting-owner rows connected to WORKIVA INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
17
Largest Forms 3/4/5 holder
Martin J. Vanderploeg
Net 12M change
-$444,362
Latest report
04 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Martin J. Vanderploeg | Director | $144,150,565 | Mixed | 01 Jun 2026 | ||
| Jeff D. Trom | Executive VP & CTO | $83,526,829 | Mixed | 01 Sep 2022 | ||
| Julie Iskow | President & CEO, Director | $27,461,403 | Mixed | 03 Apr 2026 | ||
| David S. Mulcahy | Director | $21,994,129 | -$180,667 | -0.81% | Filing P/S | 10 Dec 2025 |
| Mithun Banarjee | Chief Customer Officer | $15,284,455 | Mixed | 01 Sep 2022 | ||
| Barbara A. Larson | EVP, CFO & Treasurer | $10,800,023 | Mixed | 02 Feb 2026 | ||
| Jill E. Klindt | EVP, CFO & Treasurer | $9,077,685 | Mixed | 23 May 2025 | ||
| Brandon E. Ziegler | EVP, CLO, CAO & Corp Secretary | $8,614,968 | Mixed | 11 Feb 2026 | ||
| Michael D. Hawkins | EVP, Sales | $4,493,608 | Filing P/S | 13 Mar 2025 | ||
| Robert H. Herz | Director | $4,109,487 | -$263,695 | -6% | Mixed | 04 Jun 2026 |
| Michael M. Crow | Director | $3,197,360 | Mixed | 01 Jun 2026 | ||
| Suku Radia V | Director | $2,709,706 | Mixed | 01 Jun 2026 | ||
| Junko Swain | SVP, Chief Accounting Officer | $2,002,668 | Mixed | 11 Feb 2026 | ||
| Brigid A. Bonner | Director | $1,758,558 | Mixed | 30 May 2024 | ||
| Astha Malik | Director | $434,583 | Mixed | 01 Jun 2026 | ||
| Mark S. Peek | Director | $361,954 | Mixed | 01 Jun 2026 | ||
| Richard Scott Herren | Director | $294,989 | Mixed | 01 Jun 2026 |
Recent insider transactions for WORKIVA INC
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Robert H. Herz | WK | Class A Common Stock | Sale | -3.86% | $76,845 | $51.23 | -1,500 | 37,372 | 04 Jun 2026 | Direct |
| Mark S. Peek | WK | Class A Common Stock | Award | 203.5% | 4,070 | 6,070 | 01 Jun 2026 | Direct | ||
| Martin J. Vanderploeg | WK | Class A Common Stock | Award | 1.41% | 4,070 | 292,275 | 01 Jun 2026 | Direct | ||
| Martin J. Vanderploeg | WK | Class A Common Stock | Tax liability | -9.13% | -28,942 | 288,205 | 01 Jun 2026 | Direct | ||
| Suku Radia V | WK | Class A Common Stock | Award | 35.2% | 4,070 | 15,643 | 01 Jun 2026 | Direct | ||
| Astha Malik | WK | Class A Common Stock | Award | 126.5% | 4,070 | 7,288 | 01 Jun 2026 | Direct | ||
| Richard Scott Herren | WK | Class A Common Stock | Award | 464.1% | 4,070 | 4,947 | 01 Jun 2026 | Direct | ||
| Robert H. Herz | WK | Class A Common Stock | Award | 11.7% | 4,070 | 38,872 | 01 Jun 2026 | Direct | ||
| Michael M. Crow | WK | Class A Common Stock | Award | 126.5% | 4,070 | 7,288 | 01 Jun 2026 | Direct | ||
| Robert H. Herz | WK | Class A Common Stock | Sale | -2.79% | $49,690 | $49.69 | -1,000 | 34,802 | 29 May 2026 | Direct |
| Julie Iskow | WK | Class A Common Stock | Tax liability | -1.62% | -7,578 | 460,530 | 03 Apr 2026 | Direct | ||
| Richard Scott Herren | WK | Class A Common Stock | Award | 877 | 877 | 02 Mar 2026 | Direct | |||
| Julie Iskow | WK | Class A Common Stock | Tax liability | -1.01% | -4,785 | 468,108 | 01 Mar 2026 | Direct | ||
| Julie Iskow | WK | Class A Common Stock | Award | 0.87% | 4,092 | 472,893 | 01 Mar 2026 | Direct | ||
| Junko Swain | WK | Class A Common Stock | Tax liability | -1.2% | -374 | 30,834 | 11 Feb 2026 | Direct | ||
| Junko Swain | WK | Class A Common Stock | Award | 2.53% | 771 | 31,208 | 11 Feb 2026 | Direct | ||
| Brandon E. Ziegler | WK | Class A Common Stock | Tax liability | -6.18% | -8,730 | 132,640 | 11 Feb 2026 | Direct | ||
| Brandon E. Ziegler | WK | Class A Common Stock | Award | 13.8% | 17,097 | 141,370 | 11 Feb 2026 | Direct | ||
| Julie Iskow | WK | Class A Common Stock | Tax liability | -5.29% | -26,166 | 468,801 | 11 Feb 2026 | Direct | ||
| Julie Iskow | WK | Class A Common Stock | Award | 10.9% | 48,497 | 494,967 | 11 Feb 2026 | Direct | ||
| Junko Swain | WK | Class A Common Stock | Tax liability | -2.09% | -650 | 30,437 | 03 Feb 2026 | Direct | ||
| Brandon E. Ziegler | WK | Class A Common Stock | Tax liability | -3.52% | -4,531 | 124,273 | 03 Feb 2026 | Direct | ||
| Julie Iskow | WK | Class A Common Stock | Tax liability | -3.9% | -18,115 | 446,470 | 03 Feb 2026 | Direct | ||
| Junko Swain | WK | Class A Common Stock | Award | 28.3% | 6,859 | 31,087 | 02 Feb 2026 | Direct | ||
| Barbara A. Larson | WK | Class A Common Stock | Award | 141,103 | 141,103 | 02 Feb 2026 | Direct | |||
| Brandon E. Ziegler | WK | Class A Common Stock | Award | 35.6% | 33,839 | 128,804 | 02 Feb 2026 | Direct | ||
| Julie Iskow | WK | Class A Common Stock | Award | 38% | 128,038 | 464,585 | 02 Feb 2026 | Direct | ||
| Junko Swain | WK | Class A Common Stock | Tax liability | -2.49% | -618 | 24,228 | 01 Feb 2026 | Direct | ||
| Brandon E. Ziegler | WK | Class A Common Stock | Tax liability | -8.51% | -8,838 | 94,965 | 01 Feb 2026 | Direct | ||
| Julie Iskow | WK | Class A Common Stock | Tax liability | -6.52% | -23,460 | 336,547 | 01 Feb 2026 | Direct | ||
| Martin J. Vanderploeg | WK | Class A Common Stock | Tax liability | -0.18% | -560 | 317,147 | 01 Feb 2026 | Direct | ||
| Martin J. Vanderploeg | WK | Class B Common Stock | Gift | 69.1% | 491,270 | 1,201,832 | 21 Jan 2026 | By living trust | ||
| Martin J. Vanderploeg | WK | Class B Common Stock | Gift | -100% | -491,270 | 0 | 21 Jan 2026 | By charitable remainder trust | ||
| David S. Mulcahy | WK | Class A Common Stock | Sale | -0.48% | $106,323 | $91.50 | -1,162 | 240,373 | 10 Dec 2025 | Direct |
| Robert H. Herz | WK | Class A Common Stock | Sale | -4.02% | $137,160 | $91.44 | -1,500 | 35,802 | 10 Dec 2025 | Direct |
| David S. Mulcahy | WK | Class A Common Stock | Sale | -0.33% | $74,344 | $92.01 | -808 | 241,535 | 26 Nov 2025 | Direct |
| Michael M. Crow | WK | Class A Common Stock | Gift | 304.9% | 34,889 | 46,332 | 30 Oct 2025 | By family trust | ||
| Michael M. Crow | WK | Class A Common Stock | Gift | -91.6% | -34,889 | 3,218 | 30 Oct 2025 | Direct | ||
| Junko Swain | WK | Class A Common Stock | Tax liability | -7.82% | -2,093 | 24,661 | 02 Sep 2025 | Direct |
* marks a reported price that did not pass the local price check.