WK insider buying and SEC filings, explained
Workiva Inc. · CIK 1445305
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$944K
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Aug 20, 2026 | Sale | Brandon Ziegler (EVP, CLO, CAO & Corp Secretary) sold 6,571 shares at about $75.97 ($499K). Holdings down 5% to 126,216 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 21, 2026 |
| Jun 4, 2026 | Sale | Robert H Herz (Director) sold 1,500 shares at $51.23 ($77K). Holdings down 4% to 37,372 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 8, 2026 |
| May 29, 2026 | Sale | Robert H Herz (Director) sold 1,000 shares at $49.69 ($50K). Holdings down 3% to 34,802 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 2, 2026 |
| Dec 10, 2025 | Sale | Robert H Herz (Director) sold 1,500 shares at $91.44 ($137K). Holdings down 4% to 35,802 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 12, 2025 |
| Dec 10, 2025 | Sale | David S. Mulcahy (Director) sold 1,162 shares at $91.50 ($106K). Holdings down <1% to 240,373 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 12, 2025 |
| Nov 26, 2025 | Sale | David S. Mulcahy (Director) sold 808 shares at about $92.01 ($74K). Holdings down <1% to 241,535 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 1, 2025 |
26 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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