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Insider Trading

Last Updated: 2 days, 23 hours ago

Brandon Ziegler has an estimated net worth of at least $12.5 million*, as of Sept. 9, 2026. They own 126,216 shares of WK stock. They have sold 34,876 shares of WK stock since 2021, for an estimated $3.3 million.

Brandon Ziegler $WK SEC Form 4 Insider Trading

Brandon Ziegler has filed a total of 6 insider trades in $WK since 2021. Their most recent trade was a sale of 6,571 shares, made on Aug 20, 2026. Their largest trade was a sale of 10,818 shares, made on Feb 27, 2023. We estimate that they now own 126,216 shares of $WK, worth an estimated $9.2 million.



Insider Trading at $WK

There have been a total of 111 insider trades reported at $WK since 2021, with 12,000 shares purchased and 2.8 million shares sold. The most active insider traders in $WK stock have been Martin J. Vanderploeg, Jeff D. Trom, and Michael D. Hawkins. The most recent trade was a sale of 6,571 shares reported by Brandon Ziegler (EVP, CLO, CAO & Corp Secretary), made on Aug 20, 2026.



History of Insider Stock Trades by Brandon Ziegler

Company Ticker Purchase / Sale Shares Date Disclosed (EST)
WK logo WK Sale 6,571 Aug 20, 2026 Aug. 21, 2026, 4:22 p.m.
WK logo WK Sale 4,115 Mar 07, 2025 March 7, 2025, 6:24 p.m.
WK logo WK Sale 3,750 Aug 15, 2024 Aug. 19, 2024, 4:16 p.m.
WK logo WK Sale 1,370 Nov 06, 2023 Nov. 7, 2023, 5:23 p.m.
WK logo WK Sale 10,818 Feb 27, 2023 Feb. 28, 2023, 5:24 p.m.
WK logo WK Sale 8,252 Aug 19, 2021 Aug. 22, 2021, 8 p.m.




$WK Executives and Stock Owners with Insider Trades



*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.