Updated Jul 16, 2026
Nieuwkoop Jeroen has filed 1 SEC Form 4 filing across 1 company in the last 90 days.

Jeroen Nieuwkoop is the Chief Operating Officer of Hyperliquid Strategies Inc, a digital asset treasury company focused on maximizing shareholder value through accumulation of HYPE, the native token of Hyperliquid. According to SEC filing CIK 0001955369 dated 2026-01-07, Nieuwkoop held the COO role with no reported securities transactions (Total purchases $0, Total sales $0).
| Role | Insider |
|---|---|
| Notability | 25/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-25 | PURR | Hyperliquid Strategies Inc | A — Grant or award | 421.6K | $0.00 | |
| 2026-01-07 | PURR | Hyperliquid Strategies Inc | J — Other acquisition / disposition | 31.8K | — |
Jeroen Nieuwkoop is the Chief Operating Officer of Hyperliquid Strategies Inc, a digital asset treasury company focused on maximizing shareholder value through accumulation of HYPE, the native token of Hyperliquid. According to SEC filing CIK 0001955369 dated 2026-01-07, Nieuwkoop held the COO role with no reported securities transactions (Total purchases $0, Total sales $0).…
1 primary Form 4 filings in the last 90 days, covering 1 company.
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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