JSPR insider buying
1 cluster buyJasper Therapeutics, Inc. · Healthcare
When two or more insiders at Jasper Therapeutics, Inc. buy JSPR on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in JSPR plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.
Detected clusters
- Sep 22 – Sep 22, 2025Detected Sep 22, 2025High conviction4 insidersTotal bought$347.5KMarket cap$13.1M
All notable open-market buys in JSPR
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Sep 22, 2025 | WIGGANS THOMAS Gcluster Director | 41,000 | $2.43 | $99.6K | SEC ↗ |
| Sep 22, 2025 | MARTELL RONcluster Director, President and CEO | 41,000 | $2.43 | $99.6K | SEC ↗ |
| Sep 22, 2025 | Shizuru Judith Annecluster Director | 41,000 | $2.43 | $99.6K | SEC ↗ |
| Sep 22, 2025 | Lucas Svetlanacluster Director | 20,000 | $2.43 | $48.6K | SEC ↗ |
More Healthcare stocks with insider cluster buys
JSPR insider buying — FAQ
- Are insiders buying JSPR stock?
- Yes — 4 distinct insiders have bought JSPR (Jasper Therapeutics, Inc.) on the open market, including 1 cluster buy where two or more insiders bought within a rolling window. The most recent qualifying activity was Sep 24, 2025.
- How much JSPR stock have insiders bought?
- Insiders have bought a combined $347.5K of JSPR across 4 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in JSPR?
- A cluster buy is two or more distinct Jasper Therapeutics, Inc. insiders — officers, directors, or 10% owners — each buying JSPR on the open market within a rolling window. JSPR has 1 detected cluster buy to date.
- Where does this JSPR insider trading data come from?
- Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.
How we track insider buying in JSPR
We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy JSPR within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding JSPR.