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Workiva INC

Insider trading activity for Workiva INC, straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

-$499.2K

net selling

Bought(0 · 0 insiders): $0
Sold(1 · 1 insiders): $499.2K

Past 6 months

-$625.7K

net selling

Bought(0 · 0 insiders): $0
Sold(3 · 2 insiders): $625.7K

Past 12 months

-$943.6K

net selling

Bought(0 · 0 insiders): $0
Sold(6 · 3 insiders): $943.6K

Transaction history

The 59 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Sep 15	Vanderploeg Martin J.	Director	GGIFT◆	60,000	—	—	—	Open the original filing on SEC.gov
Sep 15	Vanderploeg Martin J.	Director	GGIFT◆	60,000	—	—	—	Open the original filing on SEC.gov
Sep 1	Swain Junko	SVP, Chief Accounting…	FTAX	2,151	$76.70	$165K	-6.9%	Open the original filing on SEC.gov
Aug 20	Ziegler Brandon	EVP, CLO, CAO & Corp…	SSELL	6,571	$75.97	$499.2K	-5.0%	Open the original filing on SEC.gov
Aug 18	Vanderploeg Martin J.	Director	GGIFT	2,780	—	—	-0.6%	Open the original filing on SEC.gov
Jun 4	Herz Robert H	Director	SSELL	1,500	$51.23	$76.8K	-3.9%	Open the original filing on SEC.gov
Jun 1	Vanderploeg Martin J.	Director	AGRANT	4,070	—	—	+1.4%	Open the original filing on SEC.gov
Jun 1	Vanderploeg Martin J.	Director	FTAX	28,942	$52.83	$1.5M	-9.1%	Open the original filing on SEC.gov
Jun 1	Radia Suku V.	Director	AGRANT	4,070	—	—	+35.2%	Open the original filing on SEC.gov
Jun 1	Peek Mark S	Director	AGRANT	4,070	—	—	+203.5%	Open the original filing on SEC.gov
Jun 1	Malik Astha	Director	AGRANT	4,070	—	—	+126.5%	Open the original filing on SEC.gov
Jun 1	Herz Robert H	Director	AGRANT	4,070	—	—	+11.7%	Open the original filing on SEC.gov
Jun 1	Herren Richard Scott	Director	AGRANT	4,070	—	—	+464.1%	Open the original filing on SEC.gov
Jun 1	Crow Michael M	Director	AGRANT	4,070	—	—	+126.5%	Open the original filing on SEC.gov
May 29	Herz Robert H	Director	SSELL	1,000	$49.69	$49.7K	-2.8%	Open the original filing on SEC.gov
Apr 3	Iskow Julie	President & CEO	FTAX	7,578	$60.00	$454.7K	-1.6%	Open the original filing on SEC.gov
Mar 2	Herren Richard Scott	Director	AGRANT	877	—	—	—	Open the original filing on SEC.gov
Mar 1	Iskow Julie	President & CEO	FTAX	2,577	$61.58	$158.7K	-0.5%	Open the original filing on SEC.gov
Mar 1	Iskow Julie	President & CEO	FTAX	2,208	$61.58	$136K	-0.5%	Open the original filing on SEC.gov
Mar 1	Iskow Julie	President & CEO	AGRANT	4,092	—	—	+0.9%	Open the original filing on SEC.gov
Feb 11	Ziegler Brandon	EVP, CLO, CAO & Corp…	FTAX	8,730	$64.95	$567K	-6.2%	Open the original filing on SEC.gov
Feb 11	Ziegler Brandon	EVP, CLO, CAO & Corp…	AGRANT	3,803	—	—	+2.8%	Open the original filing on SEC.gov
Feb 11	Ziegler Brandon	EVP, CLO, CAO & Corp…	AGRANT	7,340	—	—	+5.6%	Open the original filing on SEC.gov
Feb 11	Ziegler Brandon	EVP, CLO, CAO & Corp…	AGRANT	5,954	—	—	+4.8%	Open the original filing on SEC.gov
Feb 11	Swain Junko	SVP, Chief Accounting…	FTAX	374	$64.95	$24.3K	-1.2%	Open the original filing on SEC.gov
Feb 11	Swain Junko	SVP, Chief Accounting…	AGRANT	771	—	—	+2.5%	Open the original filing on SEC.gov
Feb 11	Iskow Julie	President & CEO	FTAX	26,166	$64.95	$1.7M	-5.3%	Open the original filing on SEC.gov
Feb 11	Iskow Julie	President & CEO	AGRANT	14,390	—	—	+3.0%	Open the original filing on SEC.gov
Feb 11	Iskow Julie	President & CEO	AGRANT	20,972	—	—	+4.6%	Open the original filing on SEC.gov
Feb 11	Iskow Julie	President & CEO	AGRANT	13,135	—	—	+2.9%	Open the original filing on SEC.gov
Feb 3	Ziegler Brandon	EVP, CLO, CAO & Corp…	FTAX	4,531	$72.00	$326.2K	-3.5%	Open the original filing on SEC.gov
Feb 3	Swain Junko	SVP, Chief Accounting…	FTAX	650	$72.00	$46.8K	-2.1%	Open the original filing on SEC.gov
Feb 3	Iskow Julie	President & CEO	FTAX	18,115	$72.00	$1.3M	-3.9%	Open the original filing on SEC.gov
Feb 2	Ziegler Brandon	EVP, CLO, CAO & Corp…	AGRANT	33,839	$76.54	$2.6M	+35.6%	Open the original filing on SEC.gov
Feb 2	Swain Junko	SVP, Chief Accounting…	AGRANT	6,859	$76.54	$525K	+28.3%	Open the original filing on SEC.gov
Feb 2	Larson Barbara A	EVP, CFO & Treasurer	AGRANT	141,103	$76.54	$10.8M	—	Open the original filing on SEC.gov
Feb 2	Iskow Julie	President & CEO	AGRANT	128,038	$76.54	$9.8M	+38.0%	Open the original filing on SEC.gov
Feb 1	Ziegler Brandon	EVP, CLO, CAO & Corp…	FTAX	8,838	$77.02	$680.7K	-8.5%	Open the original filing on SEC.gov
Feb 1	Vanderploeg Martin J.	Director	FTAX	560	$77.02	$43.1K	-0.2%	Open the original filing on SEC.gov
Feb 1	Swain Junko	SVP, Chief Accounting…	FTAX	618	$77.02	$47.6K	-2.5%	Open the original filing on SEC.gov
Feb 1	Iskow Julie	President & CEO	FTAX	23,460	$77.02	$1.8M	-6.5%	Open the original filing on SEC.gov
Jan 21	Vanderploeg Martin J.	Director	GGIFT◆	491,270	—	—	—	Open the original filing on SEC.gov
Jan 21	Vanderploeg Martin J.	Director	GGIFT◆	491,270	—	—	—	Open the original filing on SEC.gov
Dec 10, 2025	Mulcahy David S.	Director	SSELL	1,162	$91.50	$106.3K	-0.5%	Open the original filing on SEC.gov
Dec 10, 2025	Herz Robert H	Director	SSELL	1,500	$91.44	$137.2K	-4.0%	Open the original filing on SEC.gov
Nov 26, 2025	Mulcahy David S.	Director	SSELL	808	$92.01	$74.3K	-0.3%	Open the original filing on SEC.gov
Sep 2, 2025	Swain Junko	SVP, Chief Accounting…	FTAX	2,093	$82.24	$172.1K	-7.8%	Open the original filing on SEC.gov
May 29, 2025	Vanderploeg Martin J.	Director	AGRANT	3,218	—	—	+1.0%	Open the original filing on SEC.gov
May 29, 2025	Radia Suku V.	Director	AGRANT	3,218	—	—	+32.2%	Open the original filing on SEC.gov
May 29, 2025	Malik Astha	Director	AGRANT	3,218	—	—	—	Open the original filing on SEC.gov
May 29, 2025	Mulcahy David S.	Director	AGRANT	3,218	—	—	+1.4%	Open the original filing on SEC.gov
May 29, 2025	Herz Robert H	Director	AGRANT	3,218	—	—	+9.4%	Open the original filing on SEC.gov
May 29, 2025	Crow Michael M	Director	AGRANT	3,218	—	—	+9.2%	Open the original filing on SEC.gov
May 23, 2025	Klindt Jill	EVP, CFO & Treasurer	SSELL	7,773	$67.10	$521.6K	-6.7%	Open the original filing on SEC.gov
May 9, 2025	Klindt Jill	EVP, CFO & Treasurer	GGIFT	3,700	—	—	-3.1%	Open the original filing on SEC.gov
May 5, 2025	Vanderploeg Martin J.	Director	GGIFT	84,210	—	—	+23.7%	Open the original filing on SEC.gov
May 5, 2025	Vanderploeg Martin J.	Director	GGIFT	84,210	—	—	-21.1%	Open the original filing on SEC.gov
Apr 15, 2025	Vanderploeg Martin J.	Director	MEXER◆	84,210	—	—	—	Open the original filing on SEC.gov
Apr 15, 2025	Vanderploeg Martin J.	Director	MEXER	84,210	$14.74	$1.2M	+26.8%	Open the original filing on SEC.gov

GGIFT◆—

Vanderploeg Martin J. · DirectorSep 15

60,000 sh

GGIFT◆—

Vanderploeg Martin J. · DirectorSep 15

60,000 sh

FTAX$165K

Swain Junko · SVP, Chief Account…Sep 1

2,151 sh @ $76.70 · -6.9% own

SSELL$499.2K

Ziegler Brandon · EVP, CLO, CAO &…Aug 20

6,571 sh @ $75.97 · -5.0% own

GGIFT—

Vanderploeg Martin J. · DirectorAug 18

2,780 sh · -0.6% own

SSELL$76.8K

Herz Robert H · DirectorJun 4

1,500 sh @ $51.23 · -3.9% own

AGRANT—

Vanderploeg Martin J. · DirectorJun 1

4,070 sh · +1.4% own

FTAX$1.5M

Vanderploeg Martin J. · DirectorJun 1

28,942 sh @ $52.83 · -9.1% own

AGRANT—

Radia Suku V. · DirectorJun 1

4,070 sh · +35.2% own

AGRANT—

Peek Mark S · DirectorJun 1

4,070 sh · +203.5% own

AGRANT—

Malik Astha · DirectorJun 1

4,070 sh · +126.5% own

AGRANT—

Herz Robert H · DirectorJun 1

4,070 sh · +11.7% own

AGRANT—

Herren Richard Scott · DirectorJun 1

4,070 sh · +464.1% own

AGRANT—

Crow Michael M · DirectorJun 1

4,070 sh · +126.5% own

SSELL$49.7K

Herz Robert H · DirectorMay 29

1,000 sh @ $49.69 · -2.8% own

FTAX$454.7K

Iskow Julie · President & CEOApr 3

7,578 sh @ $60.00 · -1.6% own

AGRANT—

Herren Richard Scott · DirectorMar 2

877 sh

FTAX$158.7K

Iskow Julie · President & CEOMar 1

2,577 sh @ $61.58 · -0.5% own

FTAX$136K

Iskow Julie · President & CEOMar 1

2,208 sh @ $61.58 · -0.5% own

AGRANT—

Iskow Julie · President & CEOMar 1

4,092 sh · +0.9% own

FTAX$567K

Ziegler Brandon · EVP, CLO, CAO &…Feb 11

8,730 sh @ $64.95 · -6.2% own

AGRANT—

Ziegler Brandon · EVP, CLO, CAO &…Feb 11

3,803 sh · +2.8% own

AGRANT—

Ziegler Brandon · EVP, CLO, CAO &…Feb 11

7,340 sh · +5.6% own

AGRANT—

Ziegler Brandon · EVP, CLO, CAO &…Feb 11

5,954 sh · +4.8% own

FTAX$24.3K

Swain Junko · SVP, Chief Account…Feb 11

374 sh @ $64.95 · -1.2% own

AGRANT—

Swain Junko · SVP, Chief Account…Feb 11

771 sh · +2.5% own

FTAX$1.7M

Iskow Julie · President & CEOFeb 11

26,166 sh @ $64.95 · -5.3% own

AGRANT—

Iskow Julie · President & CEOFeb 11

14,390 sh · +3.0% own

AGRANT—

Iskow Julie · President & CEOFeb 11

20,972 sh · +4.6% own

AGRANT—

Iskow Julie · President & CEOFeb 11

13,135 sh · +2.9% own

FTAX$326.2K

Ziegler Brandon · EVP, CLO, CAO &…Feb 3

4,531 sh @ $72.00 · -3.5% own

FTAX$46.8K

Swain Junko · SVP, Chief Account…Feb 3

650 sh @ $72.00 · -2.1% own

FTAX$1.3M

Iskow Julie · President & CEOFeb 3

18,115 sh @ $72.00 · -3.9% own

AGRANT$2.6M

Ziegler Brandon · EVP, CLO, CAO &…Feb 2

33,839 sh @ $76.54 · +35.6% own

AGRANT$525K

Swain Junko · SVP, Chief Account…Feb 2

6,859 sh @ $76.54 · +28.3% own

AGRANT$10.8M

Larson Barbara A · EVP, CFO & Treasur…Feb 2

141,103 sh @ $76.54

AGRANT$9.8M

Iskow Julie · President & CEOFeb 2

128,038 sh @ $76.54 · +38.0% own

FTAX$680.7K

Ziegler Brandon · EVP, CLO, CAO &…Feb 1

8,838 sh @ $77.02 · -8.5% own

FTAX$43.1K

Vanderploeg Martin J. · DirectorFeb 1

560 sh @ $77.02 · -0.2% own

FTAX$47.6K

Swain Junko · SVP, Chief Account…Feb 1

618 sh @ $77.02 · -2.5% own

FTAX$1.8M

Iskow Julie · President & CEOFeb 1

23,460 sh @ $77.02 · -6.5% own

GGIFT◆—

Vanderploeg Martin J. · DirectorJan 21

491,270 sh

GGIFT◆—

Vanderploeg Martin J. · DirectorJan 21

491,270 sh

SSELL$106.3K

Mulcahy David S. · DirectorDec 10, 2025

1,162 sh @ $91.50 · -0.5% own

SSELL$137.2K

Herz Robert H · DirectorDec 10, 2025

1,500 sh @ $91.44 · -4.0% own

SSELL$74.3K

Mulcahy David S. · DirectorNov 26, 2025

808 sh @ $92.01 · -0.3% own

FTAX$172.1K

Swain Junko · SVP, Chief Account…Sep 2, 2025

2,093 sh @ $82.24 · -7.8% own

AGRANT—

Vanderploeg Martin J. · DirectorMay 29, 2025

3,218 sh · +1.0% own

AGRANT—

Radia Suku V. · DirectorMay 29, 2025

3,218 sh · +32.2% own

AGRANT—

Malik Astha · DirectorMay 29, 2025

3,218 sh

AGRANT—

Mulcahy David S. · DirectorMay 29, 2025

3,218 sh · +1.4% own

AGRANT—

Herz Robert H · DirectorMay 29, 2025

3,218 sh · +9.4% own

AGRANT—

Crow Michael M · DirectorMay 29, 2025

3,218 sh · +9.2% own

SSELL$521.6K

Klindt Jill · EVP, CFO & Treasur…May 23, 2025

7,773 sh @ $67.10 · -6.7% own

GGIFT—

Klindt Jill · EVP, CFO & Treasur…May 9, 2025

3,700 sh · -3.1% own

GGIFT—

Vanderploeg Martin J. · DirectorMay 5, 2025

84,210 sh · +23.7% own

GGIFT—

Vanderploeg Martin J. · DirectorMay 5, 2025

84,210 sh · -21.1% own

MEXER◆—

Vanderploeg Martin J. · DirectorApr 15, 2025

84,210 sh

MEXER$1.2M

Vanderploeg Martin J. · DirectorApr 15, 2025

84,210 sh @ $14.74 · +26.8% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

2 of 40 filings we hold were filed after the two-business-day deadline. The furthest past the deadline was 16 business days late.

Form 4 filings made after the two-business-day deadline, with the transaction date, the filing date and the number of business days between them.
Traded	Filed	Insider	Past deadline	Largest line	Source
May 5, 2025	Jun 1, 2025	Vanderploeg Martin J.Director	16days	—	Filing ↗
Jan 21	Feb 2	Vanderploeg Martin J.Director	6days	$43.1K	Filing ↗

Vanderploeg Martin J.Director

16days

Traded May 5, 2025 · filed Jun 1, 2025Filing ↗

Vanderploeg Martin J.Director

6days

Traded Jan 21 · filed Feb 2Filing ↗

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

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