HCW Biologics Inc.
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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partial data Price history is incomplete; missing inputs count as neutral in the score.
check The $6.9M bought is a large share of the $2.3M market cap. That can come from a data error or an entity subscription. Check the filings below.
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?
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 | Flags | Filing |
|---|---|---|---|---|---|---|---|
| 2021-07-22 → 2021-08-31 | Wong Hing C 11 purchases with a 63-day result · median -21.0% | CEO | 663,660 | $7.77 avg | $5.2M | ||
| 2021-07-22 | Wong Hing C | 627,500 | $8.00 | $5.0M | SEC filing for Wong Hing C (opens in a new tab) | ||
| 2021-08-26 | Wong Hing C | 6,500 | $3.84 | $25.0K | SEC filing for Wong Hing C (opens in a new tab) | ||
| 2021-08-27 | Wong Hing C | 6,000 | $3.77 | $22.6K | SEC filing for Wong Hing C (opens in a new tab) | ||
| 2021-08-27 | Wong Hing C | 8,000 | $3.76 | $30.1K | SEC filing for Wong Hing C (opens in a new tab) | ||
| 2021-08-30 | Wong Hing C | 6,000 | $3.93 | $23.6K | SEC filing for Wong Hing C (opens in a new tab) | ||
| 2021-08-31 | Wong Hing C | 3,830 | $3.93 | $15.1K | SEC filing for Wong Hing C (opens in a new tab) | ||
| 2021-08-31 | Wong Hing C | 5,830 | $3.94 | $23.0K | SEC filing for Wong Hing C (opens in a new tab) | ||
| 2021-07-22 | GARRETT SCOTT T history of GARRETT SCOTT T's purchases | Director | 125,000 | $8.00 | $1.0M | SEC filing for GARRETT SCOTT T (opens in a new tab) | |
| 2021-07-22 → 2021-08-23 | Flowers Lee 4 purchases with a 63-day result · median -41.3% | EVP / SVP | 65,772 | $5.99 avg | $394.1K | ||
| 2021-07-22 | Flowers Lee | 31,250 | $8.00 | $250.0K | SEC filing for Flowers Lee (opens in a new tab) | ||
| 2021-08-19 | Flowers Lee | 10,532 | $4.25 | $44.8K | SEC filing for Flowers Lee (opens in a new tab) | ||
| 2021-08-19 | Flowers Lee | 10,532 | $4.29 | $45.2K | SEC filing for Flowers Lee (opens in a new tab) | ||
| 2021-08-20 | Flowers Lee | 7,853 | $4.08 | $32.0K | SEC filing for Flowers Lee (opens in a new tab) | ||
| 2021-08-23 | Flowers Lee | 5,605 | $3.95 | $22.1K | SEC filing for Flowers Lee (opens in a new tab) | ||
| 2021-07-22 → 2021-08-19 | Byam Rebecca 16 purchases with a 63-day result · median -16.1% | CFO | 35,000 | $6.97 avg | $244.0K | ||
| 2021-07-22 | Byam Rebecca | 25,000 | $8.00 | $200.0K | SEC filing for Byam Rebecca (opens in a new tab) | ||
| 2021-08-19 | Byam Rebecca | 10,000 | $4.40 | $44.0K | SEC filing for Byam Rebecca (opens in a new tab) | ||
| 2021-07-22 | Rhode Peter history of Rhode Peter's purchases | Other officer | 12,500 | $8.00 | $100.0K | SEC filing for Rhode Peter (opens in a new tab) | |
| 2021-08-25 | Greene Rick S. history of Greene Rick S.'s purchases | Director | 3,611 | $4.10 | $14.8K | SEC filing for Greene Rick S. (opens in a new tab) | |
| Total | $6.9M | ||||||
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 -29.4%63 days -57.7%126 days -61.4%
| 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 |
| 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 |