HCWB
HCW Biologics Inc.
57
Research score, not a recommendation.
Total bought$351.1K17 Form 4 purchases
Distinct insiders4open-market buyers
Lead insiderWong Hing CCEO
Cluster window2023-05-22 → 2023-06-09closed
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.
Breadth
number & diversity of participating insiders
63%
Seniority
executive rank of buyers (CEO/CFO/Director)
95%
Commitment
purchase size relative to company & holdings
76%
Context
buying into stock weakness signals conviction
86%
Timing
coordinated purchases within a tight window
87%
Routine-purchase discount
× 1.00
Company-type / offering discount
× 1.00
Net insider selling penalty
− 0
Why are they buying?
No explanation has been generated for this cluster. 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 |
|---|---|---|---|---|---|---|
| 2023-05-22 → 2023-06-09 | Byam Rebecca 16 purchases with a 63-day result · median -16.1% | CFO | 182,244 | $1.74 avg | $317.2K | |
| 2023-05-22 | Byam Rebecca | 33,450 | $1.53 | $51.2K | SEC filing for Byam Rebecca (opens in a new tab) | |
| 2023-05-23 | Byam Rebecca | 5,036 | $1.57 | $7.9K | SEC filing for Byam Rebecca (opens in a new tab) | |
| 2023-05-24 | Byam Rebecca | 20,000 | $1.61 | $32.2K | SEC filing for Byam Rebecca (opens in a new tab) | |
| 2023-05-25 | Byam Rebecca | 20,000 | $1.62 | $32.4K | SEC filing for Byam Rebecca (opens in a new tab) | |
| 2023-05-26 | Byam Rebecca | 20,000 | $1.66 | $33.2K | SEC filing for Byam Rebecca (opens in a new tab) | |
| 2023-06-05 | Byam Rebecca | 20,000 | $1.67 | $33.4K | SEC filing for Byam Rebecca (opens in a new tab) | |
| 2023-06-06 | Byam Rebecca | 19,062 | $1.82 | $34.7K | SEC filing for Byam Rebecca (opens in a new tab) | |
| 2023-06-07 | Byam Rebecca | 20,000 | $2.03 | $40.6K | SEC filing for Byam Rebecca (opens in a new tab) | |
| 2023-06-08 | Byam Rebecca | 4,696 | $2.21 | $10.4K | SEC filing for Byam Rebecca (opens in a new tab) | |
| 2023-06-09 | Byam Rebecca | 20,000 | $2.06 | $41.2K | SEC filing for Byam Rebecca (opens in a new tab) | |
| 2023-06-08 | Flowers Lee 4 purchases with a 63-day result · median -41.3% | EVP / SVP | 10,000 | $2.16 | $21.6K | SEC filing for Flowers Lee (opens in a new tab) |
| 2023-05-30 → 2023-06-02 | Wong Hing C 11 purchases with a 63-day result · median -21.0% | CEO | 6,600 | $1.56 avg | $10.3K | |
| 2023-05-30 | Wong Hing C | 3,000 | $1.55 | $4.7K | SEC filing for Wong Hing C (opens in a new tab) | |
| 2023-05-31 | Wong Hing C | 2,000 | $1.55 | $3.1K | SEC filing for Wong Hing C (opens in a new tab) | |
| 2023-06-01 | Wong Hing C | 800 | $1.62 | $1.3K | SEC filing for Wong Hing C (opens in a new tab) | |
| 2023-06-02 | Wong Hing C | 800 | $1.54 | $1.2K | SEC filing for Wong Hing C (opens in a new tab) | |
| 2023-05-30 → 2023-05-31 | Winer Gary M 5 purchases with a 63-day result · median +7.3% | Director | 1,350 | $1.51 avg | $2.0K | |
| 2023-05-30 | Winer Gary M | 850 | $1.52 | $1.3K | SEC filing for Winer Gary M (opens in a new tab) | |
| 2023-05-31 | Winer Gary M | 500 | $1.50 | $750 | SEC filing for Winer Gary M (opens in a new tab) | |
| Total | $351.1K | |||||
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 +23.4%63 days +10.3%126 days -36.8%
| 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 |
| 2023-09-05 → 2023-09-14 | 3 | $69.9K | 46 | -8.7% | -53.6% | -31.8% | 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 |