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Latest filing published 13 Aug 2026 for Tantalus Systems Holding Inc. (formerly RiseTech Capital Corp.), €3,670.
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
No signal scores available.
Gregory Denton Williams appears in our data through filings on Tantalus Systems Holding Inc. (formerly RiseTech Capital Corp.) shares, published by SEDI. We count 5 filings; the first trade dates from 27 June 2023 and the latest from 8 August 2026.
Not one of the filings records a straightforward purchase or sale on the market. Grants and option exercises follow pay plans set in advance, so they reveal less about an insider's own view than a purchase made with personal money.
Most recently, on 13 August 2026, the filings show an option exercise worth €3,670 in Tantalus Systems Holding Inc. (formerly RiseTech Capital Corp.). The median gap between a trade and its publication by SEDI is 5 days. This delay matters because a trade only becomes useful information once it is public. Every figure here comes from the filings published by SEDI and describes the past, not future prices; it is not investment advice.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
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