Jasper Therapeutics, Inc.
JSPRCIK 0001788028 · Every Form 4 filed by insiders at this issuer. See financials →
Annual report (10-K)
Latest 10-K/A filed Apr 30, 2026. Sentiment + YoY language diff vs prior year. Read sections →
Signal:NeutralFull-doc fallback
Full filing:tone -0.0002
Sentiment via Loughran-McDonald lexicon · YoY diff via Jaccard similarity + paragraph set difference.
Recent 8-K announcements
Per-item disclosure feed. Item 2.02 is the earnings release.
Top insiders
Most active reporters at Jasper Therapeutics, Inc.
| Name | Roles | Filings |
|---|---|---|
| Lis William | OfficerDirector | 5 |
| Shizuru Judith Anne | Director | 5 |
| Tucker Edwin Jonathan | Officer | 5 |
| French Anna Louise | Director | 4 |
| Kapoor Vishal | Director | 4 |
Top performers
Insiders ranked by realized 90-day signed return on their open-market trades at Jasper Therapeutics, Inc.. Minimum 3 scored trades. Returns are signed - a sale followed by a rally counts against the insider.
| # | Insider | Trades | Win rate | Avg | Median | Best | Worst |
|---|---|---|---|---|---|---|---|
| 1 | Wiggans Thomas G | 6 | 83% | +162.1% | +194.4% | +220.0% | -24.8% |
| 2 | Lis William | 4 | 100% | +33.4% | +35.5% | +60.0% | +2.7% |
| 3 | Mahal Jeetinder Singh | 5 | 80% | +29.5% | +15.5% | +73.7% | -4.7% |
All filings
85 Form 4 / 4-A filings, newest first
| Filed | Top transaction | Shares | Price | Value | ||
|---|---|---|---|---|---|---|