Summary
Updated Aug 30, 2026
Jonathan L. Steinberg is Chief Executive Officer of WisdomTree, Inc. (WT). 5 SEC Form 4 filings on record going back to 2024, most recently on 25 February 2026. Most recent open-market trade: bought $736K of WT on 12 November 2024. Lifetime open-market purchases: $736K.
Recent Transactions
5Every recent SEC Form 4 transaction Jonathan L. Steinberg has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Jonathan L. Steinberg files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Peter M. Ziemba - $1.93M of WT open-market activity in the last 12 months
- R. Jarrett Lilien - $1.51M of WT open-market activity in the last 12 months
- David M. Yates - $347K of WT open-market activity in the last 12 months
- Tonia L. Pankopf - $3K of WT open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Jonathan L. Steinberg?
Jonathan L. Steinberg is a corporate insider, tracked as Chief Executive Officer of WisdomTree, Inc. (WT). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Jonathan L. Steinberg last file a Form 4?
The most recent primary Form 4 on record is dated 25 February 2026, one of 5 filings going back to 2024.
Has Jonathan L. Steinberg been buying or selling stock?
Recorded transactions: 1 open-market purchase ($736K) and 0 open-market sales across all tracked filings.
Where can I see all of Jonathan L. Steinberg's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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