Martin J. Vanderploeg

Current Holdings

Director
Security Holdings
Class A Common Stock 670,660 shares

Cumulative Trading Activity in Class A Common Stock for Workiva Inc in 2025

This page tracks insider trading for Martin J. Vanderploeg, which means you can track and be informed when insider trading (i.e., insider trades) occurs. Trading stock is common amongst insiders, and the SEC requires stock trades (such as when individuals buy stock, sell stock, receive stock compensation, etc.) from insiders to be made publicly available. Some people follow the insider market to help them when investing in the stock market (e.g., when deciding whether to buy stocks). On this page, you will see stock trading that Martin J. Vanderploeg has engaged in since 2021. As shown above, Martin J. Vanderploeg has completed -$284,659,495 in total transactions, which were made available through the SEC Form 4, a regulatory filing that makes stock exchange data like this public knowledge.

Found 26 filings

Positive values indicate buys, negative values indicate sales.

Ticker Date Net Cash Net Shares Bought Cash Bought Shares Sold Cash Sold Shares
WK 2024-9-11 $280,243 4,000 $280,243 4,000 $0 0 SEC Filing
WK 2024-9-1 -$161,890 -2,071 $0 0 -$161,890 -2,071 SEC Filing
WK 2024-8-16 $315,640 4,000 $315,640 4,000 $0 0 SEC Filing
WK 2024-8-9 $299,954 4,000 $299,954 4,000 $0 0 SEC Filing
WK 2024-5-30 $0 2,817 $0 2,817 $0 0 SEC Filing
WK 2024-2-15 -$78,394 2,648 $0 55,286 -$78,394 -52,638 SEC Filing
WK 2024-2-1 -$763,341 -8,004 $0 0 -$763,341 -8,004 SEC Filing
WK 2023-5-30 $0 2,217 $0 2,217 $0 0 SEC Filing
WK 2023-2-17 -$120,712 1,939 $0 67,151 -$120,712 -65,212 SEC Filing
WK 2023-2-3 -$658,076 -7,211 $0 0 -$658,076 -7,211 SEC Filing
WK 2023-2-1 $5,262,028 56,709 $6,249,963 67,356 -$987,935 -10,647 SEC Filing
WK 2022-9-1 -$132,112 -2,035 $0 0 -$132,112 -2,035 SEC Filing
WK 2022-2-3 -$823,440 -7,362 $0 0 -$823,440 -7,362 SEC Filing
WK 2022-2-1 $3,033,649 25,348 $4,687,507 257,028 -$1,653,858 -231,680 SEC Filing
WK 2021-12-29 $3,356,950 217,861 $3,356,950 217,861 $0 0 SEC Filing
WK 2021-11-16 -$90,545,791 -599,641 $0 0 -$90,545,791 -599,641 SEC Filing
WK 2021-11-16 -$90,600,000 -133,551 $0 864,199 -$90,600,000 -997,750 SEC Filing
WK 2021-10-18 -$5,063,486 -35,000 $0 0 -$5,063,486 -35,000 SEC Filing
WK 2021-9-20 -$5,141,751 -35,000 $0 0 -$5,141,751 -35,000 SEC Filing
WK 2021-9-1 $2,760,005 19,321 $2,760,005 19,321 $0 0 SEC Filing
WK 2021-8-18 -$4,708,572 -35,000 $0 0 -$4,708,572 -35,000 SEC Filing
WK 2021-8-13 $0 215,983 $0 215,983 $0 0 SEC Filing
WK 2021-8-9 -$93,081,096 -130,000 $705,226 605,579 -$93,786,322 -735,579 SEC Filing
WK 2021-7-19 -$4,290,249 -35,000 $0 0 -$4,290,249 -35,000 SEC Filing
WK 2021-6-24 $0 150,000 $0 150,000 $0 0 SEC Filing
WK 2021-6-18 -$3,799,054 -35,000 $0 22,568 -$3,799,054 -57,568 SEC Filing

The data shown here is based on historical filings with the SEC, and may contain slight inaccuracies.

This data excludes derivative holdings and transactions.

Additional data regarding trading activity for Martin J. Vanderploeg before the earliest date displayed on this page may exist, but is not shown here.