WK Insider Transactions
459 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.
WK insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|
| Ziegler Brandon | EVP, CLO, CAO & Corp Secretary | 2026-08-20 | Sale | 6,571 | $75.97 |
|---|
| Herz Robert H | Director | 2026-06-04 | Sale | 1,500.0 | $51.23 |
|---|
| Herz Robert H | Director | 2026-05-29 | Sale | 1,000.0 | $49.69 |
|---|
| Herz Robert H | Director | 2025-12-10 | Sale | 1,500.0 | $91.44 |
|---|
| MULCAHY DAVID S. | Director | 2025-12-10 | Sale | 1,162.0 | $91.5 |
|---|
| MULCAHY DAVID S. | Director | 2025-11-26 | Sale | 808.0 | $92.01 |
|---|
| Klindt Jill | EVP, CFO & Treasurer | 2025-05-23 | Sale | 7,773.0 | $67.1 |
|---|
| Herz Robert H | Director | 2025-03-14 | Sale | 1,500.0 | $88.66 |
|---|
| Herz Robert H | Director | 2025-03-14 | Sale | 1,000.0 | $88.7 |
|---|
| Hawkins Michael D. | EVP, Sales | 2025-03-13 | Sale | 8,992.0 | $85.91 |
|---|
| Hawkins Michael D. | EVP, Sales | 2025-03-07 | Sale | 10,421.0 | $85.43 |
|---|
| Ziegler Brandon | EVP, CLO, CAO & Corp Secretary | 2025-03-07 | Sale | 4,115.0 | $85.72 |
|---|
| Klindt Jill | EVP, CFO & Treasurer | 2025-03-07 | Sale | 5,593.0 | $85.04 |
|---|
| RADIA SUKU V. | Director | 2024-11-11 | Sale | 25,678.0 | $95.0 |
|---|
| Herz Robert H | Director | 2024-11-11 | Sale | 4,800.0 | $94.77 |
|---|
| Herz Robert H | Director | 2024-11-11 | Sale | 3,177.0 | $94.69 |
|---|
| Hawkins Michael D. | EVP, Sales | 2024-09-13 | Sale | 2,761.0 | $74.6 |
|---|
| VANDERPLOEG MARTIN J. | Director | 2024-09-11 | Purchase | 878.0 | $70.81 |
|---|
| VANDERPLOEG MARTIN J. | Director | 2024-09-11 | Purchase | 3,122.0 | $69.85 |
|---|
| VANDERPLOEG MARTIN J. | Director | 2024-08-16 | Purchase | 4,000.0 | $78.91 |
|---|
| Ziegler Brandon | EVP, CLO, CAO & Corp Secretary | 2024-08-15 | Sale | 3,750.0 | $79.46 |
|---|
| VANDERPLOEG MARTIN J. | Director | 2024-08-09 | Purchase | 290.0 | $75.61 |
|---|
| VANDERPLOEG MARTIN J. | Director | 2024-08-09 | Purchase | 3,710.0 | $74.94 |
|---|
| Hawkins Michael D. | EVP, Sales | 2024-05-08 | Sale | 3,435.0 | $81.46 |
|---|
| Hawkins Michael D. | EVP, Sales | 2024-02-26 | Sale | 2,381.0 | $86.87 |
|---|
| Hawkins Michael D. | EVP, Sales | 2024-02-02 | Sale | 11,439.0 | $93.62 |
|---|
| Klindt Jill | EVP, CFO & Treasurer | 2023-12-11 | Sale | 2,931.0 | $95.2 |
|---|
| Ziegler Brandon | EVP, CLO, CAO & Corp Secretary | 2023-11-06 | Sale | 1,370.0 | $88.5 |
|---|
| Herz Robert H | Director | 2023-11-03 | Sale | 1,500.0 | $89.32 |
|---|
| Hawkins Michael D. | EVP, Sales | 2023-11-02 | Sale | 1,995.0 | $85.27 |
|---|
| CROW MICHAEL M | Director | 2023-06-12 | Sale | 3,500.0 | $100.46 |
|---|
| Hawkins Michael D. | EVP, Sales | 2023-05-22 | Sale | 3,511.0 | $94.7 |
|---|
| Klindt Jill | EVP, CFO, CAO & Treasurer | 2023-03-08 | Sale | 15,000.0 | $90.2 |
|---|
| CROW MICHAEL M | Director | 2023-03-03 | Sale | 4,000.0 | $90.2 |
|---|
| Ziegler Brandon | EVP, CLO, CAO & Secretary | 2023-02-27 | Sale | 10,818.0 | $87.67 |
|---|
| Hawkins Michael D. | EVP, Sales | 2023-02-24 | Sale | 8,431.0 | $86.28 |
|---|
| Herz Robert H | Director | 2023-01-23 | Sale | 7,818.0 | $90.51 |
|---|
| Herz Robert H | Director | 2023-01-13 | Sale | 9,182.0 | $90.07 |
|---|
| Herz Robert H | Director | 2023-01-03 | Sale | 3,000.0 | $85.0 |
|---|
| Bonner Brigid A. | Director | 2022-11-28 | Sale | 2,800.0 | $77.21 |
|---|
| Hawkins Michael D. | EVP, Sales | 2022-11-09 | Sale | 5,505.0 | $66.72 |
|---|
| Herz Robert H | Director | 2022-03-17 | Sale | 750.0 | $103.11 |
|---|
| Herz Robert H | Director | 2022-03-14 | Sale | 1,500.0 | $95.71 |
|---|
| Banarjee Mithun | EVP and Chief Customer Officer | 2022-03-09 | Sale | 7,042.0 | $101.73 |
|---|
| Banarjee Mithun | EVP and Chief Customer Officer | 2022-02-28 | Sale | 10,000.0 | $104.98 |
|---|
| Hawkins Michael D. | EVP, Sales | 2022-02-09 | Sale | 3,433.0 | $120.0 |
|---|
| Hawkins Michael D. | EVP, Sales | 2022-01-03 | Sale | 5,618.0 | $128.11 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-11-16 | Sale | 599,641.0 | $151.0 |
|---|
| TROM JEFF D. | Executive VP & CTO | 2021-11-16 | Sale | 57,000.0 | $151.0 |
|---|
| TROM JEFF D. | Executive VP & CTO | 2021-11-16 | Sale | 57,000.0 | $151.0 |
|---|
| TROM JEFF D. | Executive VP & CTO | 2021-11-16 | Sale | 57,000.0 | $151.0 |
|---|
| TROM JEFF D. | Executive VP & CTO | 2021-11-16 | Sale | 159,000.0 | $151.0 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-11-16 | Sale | 600,000.0 | $151.0 |
|---|
| Klindt Jill | SVP, CFO, CAO & Treasurer | 2021-11-09 | Sale | 26,000.0 | $161.0 |
|---|
| TROM JEFF D. | Executive VP & CTO | 2021-10-25 | Sale | 6,312.0 | $150.51 |
|---|
| TROM JEFF D. | Executive VP & CTO | 2021-10-25 | Sale | 7,998.0 | $149.48 |
|---|
| TROM JEFF D. | Executive VP & CTO | 2021-10-25 | Sale | 10,690.0 | $148.48 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-10-19 | Sale | 2,880.0 | $148.35 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-10-19 | Sale | 10,812.0 | $147.26 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-10-19 | Sale | 1,341.0 | $146.11 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-10-19 | Sale | 1,400.0 | $144.94 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-10-19 | Sale | 1,067.0 | $144.01 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-10-18 | Sale | 5,434.0 | $143.61 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-10-18 | Sale | 5,265.0 | $142.87 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-10-18 | Sale | 2,969.0 | $141.68 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-10-18 | Sale | 3,832.0 | $140.48 |
|---|
| TROM JEFF D. | Executive VP & CTO | 2021-09-24 | Sale | 700.0 | $152.06 |
|---|
| TROM JEFF D. | Executive VP & CTO | 2021-09-24 | Sale | 5,403.0 | $151.17 |
|---|
| TROM JEFF D. | Executive VP & CTO | 2021-09-24 | Sale | 12,991.0 | $150.39 |
|---|
| TROM JEFF D. | Executive VP & CTO | 2021-09-24 | Sale | 5,906.0 | $149.6 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-09-21 | Sale | 605.0 | $148.76 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-09-21 | Sale | 15,377.0 | $148.14 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-09-21 | Sale | 1,518.0 | $147.16 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-09-20 | Sale | 800.0 | $151.14 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-09-20 | Sale | 650.0 | $150.27 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-09-20 | Sale | 500.0 | $148.07 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-09-20 | Sale | 3,359.0 | $146.45 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-09-20 | Sale | 7,168.0 | $145.43 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-09-20 | Sale | 2,613.0 | $144.55 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-09-20 | Sale | 2,410.0 | $143.45 |
|---|
| TROM JEFF D. | Executive VP & CTO | 2021-08-25 | Sale | 700.0 | $141.23 |
|---|
| TROM JEFF D. | Executive VP & CTO | 2021-08-25 | Sale | 8,536.0 | $140.24 |
|---|
| TROM JEFF D. | Executive VP & CTO | 2021-08-25 | Sale | 10,164.0 | $139.34 |
|---|
| TROM JEFF D. | Executive VP & CTO | 2021-08-25 | Sale | 5,600.0 | $138.63 |
|---|
| CROW MICHAEL M | Director | 2021-08-24 | Sale | 5,000.0 | $136.43 |
|---|
| Ziegler Brandon | Executive VP & CLO | 2021-08-19 | Sale | 8,252.0 | $132.42 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-08-19 | Sale | 2,508.0 | $135.41 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-08-19 | Sale | 3,586.0 | $134.86 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-08-19 | Sale | 6,939.0 | $133.55 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-08-19 | Sale | 4,467.0 | $132.59 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-08-18 | Sale | 1,725.0 | $136.04 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-08-18 | Sale | 12,000.0 | $135.34 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-08-18 | Sale | 3,775.0 | $134.47 |
|---|
| Herz Robert H | Director | 2021-08-17 | Sale | 17,870.0 | $133.13 |
|---|
| Klindt Jill | SVP, CFO, CAO & Treasurer | 2021-08-16 | Sale | 18,335.0 | $130.71 |
|---|
| Hawkins Michael D. | EVP, Sales | 2021-08-16 | Sale | 567.0 | $134.04 |
|---|
| TROM JEFF D. | Executive VP & CTO | 2021-08-09 | Sale | 600,000.0 | $127.5 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-08-09 | Sale | 44,550.0 | $127.5 |
|---|
| VANDERPLOEG MARTIN J. | President & CEO | 2021-08-09 | Sale | 691,029.0 | $127.5 |
|---|
| TROM JEFF D. | Executive VP & CTO | 2021-07-23 | Sale | 100.0 | $130.78 |
|---|