Martin J. Vanderploeg
Known title: President & CEOCIK: 0001014008
Martin J. Vanderploeg's purchase track record
Martin J. Vanderploeg has only 2 open-market purchases with a full 6 months of price history after it -- too few to call a track record yet.
| Purchase | Stock | Amount | 3 months | 6 months | S&P 500, 6 mo. |
|---|---|---|---|---|---|
| 9/11/2024 | WK | $280K | +47.8% | +22.5% | +0.8% |
| 8/9/2024 | WK | $616K | +27.0% | +32.6% | +12.8% |
Computed by MarketWall from SEC Form 4 filings and daily closing prices (close on the purchase date to the close about 3 and 6 months later). Companies that have since delisted are not included. Past results, not investment advice.
Associated companies
Transaction History
| WK | ▼ Sell | Gift | 2,780 | $0 | 8/18/2026 | View on chart |
| WK | ▼ Sell | Tax Withholding | 28,942 | $1.5M | 6/1/2026 | View on chart |
| WK | ▲ Buy | Grant | 4,070 | — | 6/1/2026 | View on chart |
| WK | ▼ Sell | Tax Withholding | 560 | $43K | 2/1/2026 | View on chart |
| WK | ▲ Buy | Grant | 3,218 | — | 5/29/2025 | View on chart |
| WK | ▼ Sell | Gift | 84,210 | $0 | 5/5/2025 | View on chart |
| WK | ▼ Sell | Gift | 84,210 | $0 | 5/5/2025 | View on chart |
| WK | ▲ Buy | Option Exercise | 84,210 | $1.2M | 4/15/2025 | View on chart |
| WK | ▼ Sell | Tax Withholding | 438 | $38K | 2/20/2025 | View on chart |
| WK | ▲ Buy | Grant | 2,828 | $0 | 2/20/2025 | View on chart |
| WK | ▼ Sell | Tax Withholding | 2,886 | $283K | 2/1/2025 | View on chart |
| WK | ▼ Sell | Gift | 9,806 | $0 | 1/10/2025 | View on chart |
| WK | ▼ Sell | Gift | 9,806 | $0 | 1/10/2025 | View on chart |
| WK | ▲ Buy | Open Market | 878 | $62K | 9/11/2024 | View on chart |
| WK | ▲ Buy | Open Market | 3,122 | $218K | 9/11/2024 | View on chart |
| WK | ▼ Sell | Tax Withholding | 2,071 | $162K | 9/1/2024 | View on chart |
| WK | ▲ Buy | Open Market | 4,000 | $316K | 8/16/2024 | View on chart |
| WK | ▲ Buy | Open Market | 3,710 | $278K | 8/9/2024 | View on chart |
| WK | ▲ Buy | Open Market | 290 | $22K | 8/9/2024 | View on chart |
| WK | ▲ Buy | Grant | 2,817 | — | 5/30/2024 | View on chart |
| WK | ▼ Sell | Gift | 51,805 | $0 | 2/16/2024 | View on chart |
| WK | ▼ Sell | Gift | 51,805 | $0 | 2/16/2024 | View on chart |
| WK | ▲ Buy | Grant | 3,481 | $0 | 2/15/2024 | View on chart |
| WK | ▼ Sell | Tax Withholding | 833 | $78K | 2/15/2024 | View on chart |
| WK | ▼ Sell | Tax Withholding | 8,004 | $763K | 2/1/2024 | View on chart |
| WK | ▼ Sell | Tax Withholding | 1,577 | $174K | 9/1/2023 | View on chart |
| WK | ▲ Buy | Grant | 2,217 | — | 5/30/2023 | View on chart |
| WK | ▼ Sell | Tax Withholding | 1,368 | $121K | 2/17/2023 | View on chart |
| WK | ▲ Buy | Grant | 3,307 | $0 | 2/17/2023 | View on chart |
| WK | ▼ Sell | Gift | 63,844 | $0 | 2/9/2023 | View on chart |
| WK | ▼ Sell | Gift | 63,844 | $0 | 2/9/2023 | View on chart |
| WK | ▼ Sell | Tax Withholding | 7,211 | $658K | 2/3/2023 | View on chart |
| WK | ▲ Buy | Grant | 67,356 | $6.2M | 2/1/2023 | View on chart |
| WK | ▼ Sell | Tax Withholding | 10,647 | $988K | 2/1/2023 | View on chart |
| WK | ▼ Sell | Tax Withholding | 2,035 | $132K | 9/1/2022 | View on chart |
| WK | ▼ Sell | Tax Withholding | 7,362 | $823K | 2/3/2022 | View on chart |
| WK | ▲ Buy | Grant | 39,167 | $4.7M | 2/1/2022 | View on chart |
| WK | ▼ Sell | Tax Withholding | 13,819 | $1.7M | 2/1/2022 | View on chart |
| WK | ▼ Sell | Gift | 217,861 | $0 | 12/30/2021 | View on chart |
| WK | ▼ Sell | Gift | 217,861 | $0 | 12/30/2021 | View on chart |
| WK | ▲ Buy | Option Exercise | 84,211 | $1.2M | 12/29/2021 | View on chart |
| WK | ▲ Buy | Option Exercise | 133,650 | $2.1M | 12/29/2021 | View on chart |
| WK | ▼ Sell | Other | 466,449 | $0 | 11/16/2021 | View on chart |
| WK | ▼ Sell | Open Market | 600,000 | $90.6M | 11/16/2021 | View on chart |
| WK | ▼ Sell | Gift | 397,750 | $0 | 11/16/2021 | View on chart |
| WK | ▼ Sell | Other | 397,750 | $0 | 11/16/2021 | View on chart |
| WK | ▼ Sell | Open Market | 1,067 | $154K | 10/19/2021 | View on chart |
| WK | ▼ Sell | Open Market | 1,400 | $203K | 10/19/2021 | View on chart |
| WK | ▼ Sell | Open Market | 1,341 | $196K | 10/19/2021 | View on chart |
| WK | ▼ Sell | Open Market | 10,812 | $1.6M | 10/19/2021 | View on chart |
| WK | ▼ Sell | Open Market | 2,880 | $427K | 10/19/2021 | View on chart |
| WK | ▼ Sell | Open Market | 3,832 | $538K | 10/18/2021 | View on chart |
| WK | ▼ Sell | Open Market | 2,969 | $421K | 10/18/2021 | View on chart |
| WK | ▼ Sell | Open Market | 5,265 | $752K | 10/18/2021 | View on chart |
| WK | ▼ Sell | Open Market | 5,434 | $780K | 10/18/2021 | View on chart |
| WK | ▼ Sell | Open Market | 1,518 | $223K | 9/21/2021 | View on chart |
| WK | ▼ Sell | Open Market | 15,377 | $2.3M | 9/21/2021 | View on chart |
| WK | ▼ Sell | Open Market | 605 | $90K | 9/21/2021 | View on chart |
| WK | ▼ Sell | Open Market | 2,410 | $346K | 9/20/2021 | View on chart |
| WK | ▼ Sell | Open Market | 2,613 | $378K | 9/20/2021 | View on chart |
| WK | ▼ Sell | Open Market | 7,168 | $1.0M | 9/20/2021 | View on chart |
| WK | ▼ Sell | Open Market | 3,359 | $492K | 9/20/2021 | View on chart |
| WK | ▼ Sell | Open Market | 500 | $74K | 9/20/2021 | View on chart |
| WK | ▼ Sell | Open Market | 650 | $98K | 9/20/2021 | View on chart |
| WK | ▼ Sell | Open Market | 800 | $121K | 9/20/2021 | View on chart |
| WK | ▲ Buy | Grant | 19,321 | $2.8M | 9/1/2021 | View on chart |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 11, 2026
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