HCW Biologics Inc.
AI score not needed: the AI review runs from a match score of 55.
Research score, not a recommendation.
Market data
Live quote and chart from Yahoo Finance, loaded through this server. Insider purchases are marked on the chart.
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Why this score
Research score: a weighted blend of the five factors, times the routine and offering discounts, minus the selling penalty.
Why are they buying?
AI score not needed: the AI review runs only on clusters with a match score of 55 or more. The filings in the table below are the primary evidence.
Stock Price & Insider Purchase History
Daily close price with open-market insider purchases plotted over time
Loading price history…
| Date | Insider | Role | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|
| 2023-09-06 → 2023-09-13 | Byam Rebecca 16 purchases with a 63-day result · median -16.1% | CFO | 30,000 | $2.03 avg | $60.8K | |
| 2023-09-06 | Byam Rebecca | 5,000 | $1.95 | $9.8K | SEC filing for Byam Rebecca (opens in a new tab) | |
| 2023-09-07 | Byam Rebecca | 5,000 | $1.95 | $9.8K | SEC filing for Byam Rebecca (opens in a new tab) | |
| 2023-09-08 | Byam Rebecca | 5,000 | $2.02 | $10.1K | SEC filing for Byam Rebecca (opens in a new tab) | |
| 2023-09-11 | Byam Rebecca | 5,000 | $2.05 | $10.2K | SEC filing for Byam Rebecca (opens in a new tab) | |
| 2023-09-12 | Byam Rebecca | 5,000 | $2.09 | $10.4K | SEC filing for Byam Rebecca (opens in a new tab) | |
| 2023-09-13 | Byam Rebecca | 5,000 | $2.10 | $10.5K | SEC filing for Byam Rebecca (opens in a new tab) | |
| 2023-09-05 → 2023-09-14 | Winer Gary M 5 purchases with a 63-day result · median +7.3% | Director | 2,650 | $2.00 avg | $5.3K | |
| 2023-09-05 | Winer Gary M | 400 | $1.75 | $700 | SEC filing for Winer Gary M (opens in a new tab) | |
| 2023-09-07 | Winer Gary M | 63 | $1.95 | $123 | SEC filing for Winer Gary M (opens in a new tab) | |
| 2023-09-08 | Winer Gary M | 1 | $1.90 | $2 | SEC filing for Winer Gary M (opens in a new tab) | |
| 2023-09-11 | Winer Gary M | 99 | $2.05 | $203 | SEC filing for Winer Gary M (opens in a new tab) | |
| 2023-09-12 | Winer Gary M | 500 | $2.05 | $1.0K | SEC filing for Winer Gary M (opens in a new tab) | |
| 2023-09-13 | Winer Gary M | 46 | $2.00 | $92 | SEC filing for Winer Gary M (opens in a new tab) | |
| 2023-09-13 | Winer Gary M | 500 | $2.05 | $1.0K | SEC filing for Winer Gary M (opens in a new tab) | |
| 2023-09-14 | Winer Gary M | 879 | $2.05 | $1.8K | SEC filing for Winer Gary M (opens in a new tab) | |
| 2023-09-14 | Winer Gary M | 162 | $2.08 | $337 | SEC filing for Winer Gary M (opens in a new tab) | |
| 2023-09-14 | Wong Hing C 11 purchases with a 63-day result · median -21.0% | CEO | 1,800 | $2.08 | $3.7K | SEC filing for Wong Hing C (opens in a new tab) |
| Total | $69.9K | |||||
Other buying runs at HCWB
A run ends after a pause in the buying, so one company can have several. Returns are the stock's return minus its benchmark's (IWM for small companies, SPY otherwise), from the first open after the run became a cluster. Past results, not a forecast.
After this run became a cluster: 21 days -8.7%63 days -53.6%126 days -31.8%
| Window | Insiders | Total | Score | 21 days | 63 days | 126 days | Status |
|---|---|---|---|---|---|---|---|
| 2026-07-29 | 3 | $100.0K | 56 | +5.3% | – | – | active |
| 2026-05-22 | 3 | $431.5K | 64 | -61.8% | -78.6% | – | active |
| 2025-05-16 | 3 | $170.0K | 64 | -52.0% | -73.7% | -91.9% | closed |
| 2023-05-22 → 2023-06-09 | 4 | $351.1K | 57 | +23.4% | +10.3% | -36.8% | closed |
| 2022-06-02 → 2022-06-14 | 4 | $192.7K | 58 | +20.8% | +15.8% | -4.6% | closed |
| 2021-07-22 → 2021-08-31 | 6 | $6.9M | 65 | -29.4% | -57.7% | -61.4% | closed |