Nasdaq · CIK 0001828673
HCWB HCW Biologics Inc.
Insider trading from SEC Form 4. Last filing May 27, 2026. Close $1.60 on Oct 9, 2026, +5% from the 52-week low and -94% from the high.
HCW Biologics Inc. (HCWB) has 12 SEC Form 4 filings on file from 6 insiders, the latest filed on May 27, 2026. No insider bought or sold on the open market in the last 90 days; rows filed in that time are grants, exercises, tax withholding and other transactions that carry no view on the price.
12 open-market trades have been scored at HCWB. The newest: Rebecca Byam (Chief Financial Officer) bought $20k of stock on May 22, 2026, filed May 27, 2026, scored 51 (moderate). The largest of the 12 shown: Hing C Wong (Chief Executive Officer) bought $2.4M on May 8, 2025, scored 71 (notable). 3 insiders bought within 14 days of each other around May 22, 2026.
HCWB closed at $1.60 on Oct 9, 2026, 5% above its 52-week low and 94% below its 52-week high.
Last 90 days
Price and insider trades, last year
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at HCW Biologics Inc., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 51Moderate | Rebecca Byam Chief Financial Officer buy | $20k 14,235 shares | +33% | +978% from low-65% from high | |
| 61Notable | Scott T Garrett director buy | $250k 177,936 shares | +698% | +978% from low-65% from high | |
| 65Notable | Hing C Wong Chief Executive Officer buy | $160k 113,879 shares | +23% | +978% from low-65% from high | |
| 55Moderate | Scott T Garrett director buy | $100k 13,423 shares | +111% | - | |
| 41Moderate | Gary M Winer director buy | $9,998 1,342 shares | +49% | - | |
| 52Moderate | Hing C Wong Chief Executive Officer buy | $60k 8,054 shares | +2% | - | |
| 55Moderate | Rebecca Byam Chief Financial Officer buy | $220k 8,462 shares | +24% | - | |
| 41Moderate | Lee Flowers SVP of Business Development buy | $25k 962 shares | +20% | - | |
| 51Moderate | Scott T Garrett director buy | $140k 5,385 shares | +80% | - | |
| 45Moderate | Rick S. Greene director buy | $25k 962 shares | +87% | - | |
| 71Notable | Hing C Wong Chief Executive Officer buy | $2.4M 92,500 shares | +23% | - | |
| 47Moderate | Gary M Winer director buy | $60k 2,308 shares | +543% | - |
Transactions
Every row filed, 21 in all.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 22, 2026 | Scott T Garrett director | POpen-market purchase Common Stockindirect: By LLC | +177,936 | $1.41 | $250k | 203,441 | May 27, 2026 |
| May 22, 2026 | Hing C Wong Chief Executive Officer | POpen-market purchase Common Stock | +113,879 | $1.41 | $160k | 615,790 | May 27, 2026 |
| May 22, 2026 | Rebecca Byam Chief Financial Officer | POpen-market purchase Common Stock | +14,235 | $1.41 | $20k | 57,245 | May 27, 2026 |
| May 22, 2026 | Rebecca Byam Chief Financial Officer | POpen-market purchase Common Stock Purchase Warrantderivative | +14,235 | $0.00 | $0 | 18,466 | May 27, 2026 |
| May 22, 2026 | Scott T Garrett director | POpen-market purchase Common Stock Purchase Warrantderivativeindirect: By LLC | +177,936 | $0.00 | $0 | 180,628 | May 27, 2026 |
| May 22, 2026 | Hing C Wong Chief Executive Officer | POpen-market purchase Common Stock Purchase Warrantderivative | +113,879 | $0.00 | $0 | 118,110 | May 27, 2026 |
| May 16, 2025 | Scott T Garrett director | POpen-market purchase Common Stock | +13,423 | $7.45 | $100k | 25,505 | May 20, 2025 |
| May 16, 2025 | Gary M Winer director | POpen-market purchase Common Stock | +1,342 | $7.45 | $9,998 | 4,075 | May 20, 2025 |
| May 16, 2025 | Hing C Wong Chief Executive Officer | POpen-market purchase Common Stock | +8,054 | $7.45 | $60k | 501,911 | May 20, 2025 |
| May 8, 2025 | Lee Flowers SVP of Business Development | POpen-market purchase Common Stock | +962 | $26.00 | $25k | 5,720 | May 9, 2025 |
| May 8, 2025 | Gary M Winer director | POpen-market purchase Common Stock | +2,308 | $26.00 | $60k | 2,733 | May 9, 2025 |
| May 8, 2025 | Hing C Wong Chief Executive Officer | POpen-market purchase Common Stock | +92,500 | $26.00 | $2.4M | 493,857 | May 9, 2025 |
| May 8, 2025 | Rick S. Greene director | POpen-market purchase Common Stock | +962 | $26.00 | $25k | 2,066 | May 9, 2025 |
| May 8, 2025 | Scott T Garrett director | POpen-market purchase Common Stock | +5,385 | $26.00 | $140k | 12,082 | May 9, 2025 |
| May 8, 2025 | Rebecca Byam Chief Financial Officer | POpen-market purchase Common Stock | +8,462 | $26.00 | $220k | 43,010 | May 9, 2025 |
| May 7, 2025 | Rebecca Byam Chief Financial Officer | POpen-market purchase Common Stock Purchase Warrantderivative | +4,231 | $0.00 | $0 | 4,231 | May 9, 2025 |
| May 7, 2025 | Lee Flowers SVP of Business Development | POpen-market purchase Common Stock Purchase Warrantderivative | +481 | $0.00 | $0 | 481 | May 9, 2025 |
| May 7, 2025 | Scott T Garrett director | POpen-market purchase Common Stock Purchase Warrantderivative | +2,692 | $0.00 | $0 | 2,692 | May 9, 2025 |
| May 7, 2025 | Rick S. Greene director | POpen-market purchase Common Stock Purchase Warrantderivative | +481 | $0.00 | $0 | 481 | May 9, 2025 |
| May 7, 2025 | Hing C Wong Chief Executive Officer | POpen-market purchase Common Stock Purchase Warrantderivative | +46,250 | $0.00 | $0 | 46,250 | May 9, 2025 |
| May 7, 2025 | Gary M Winer director | POpen-market purchase Common Stock Purchase Warrantderivative | +1,154 | $0.00 | $0 | 1,154 | May 9, 2025 |
Insiders
Everyone who has filed a Form 4 here.
- Rebecca ByamChief Financial Officer
- Lee FlowersSVP of Business Development
- Scott T Garrettdirector
- Rick S. Greenedirector
- Gary M Winerdirector
- Hing C WongChief Executive Officer
Questions about HCWB
Answered from the filings on this page, as of the latest one.
Are insiders buying HCWB?
No. In the last 90 days no insider at HCW Biologics Inc. bought or sold shares on the open market according to SEC Form 4 filings. The rows on file from that period are grants, exercises, tax withholding or other transactions, which carry no view on the price.
Who was the last insider to trade HCWB on the open market?
Rebecca Byam (Chief Financial Officer) bought $20k of HCWB on May 22, 2026 and filed the Form 4 on May 27, 2026. InsiderTell scored 51 (moderate), with 3 insiders on the same side within 14 days.
How many insiders file Form 4 at HCW Biologics Inc.?
6 people have filed a Form 4 at HCW Biologics Inc., among them Rebecca Byam (Chief Financial Officer), Lee Flowers (SVP of Business Development), Scott T Garrett (director). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.