HCW Biologics Inc.
HCWB- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001828673
In the last 90 days, HCW Biologics Inc. insiders filed 3 open-market purchases and 0 sales; 12 institutions reported holding it in 13F filings for Q2 2026, worth $515.7K in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by HCW Biologics Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 3 filings
- 3 insiders, $100.0K in total
- Open-market sells
- 0 filings
- Insiders trading
- 3
- Net value
- +$100.0K
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for HCW Biologics Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Wong Hing C | Chief Executive Officer | 125,845 | Jul 31, 2026 | 2 |
| Flowers Lee | SVP of Business Development | 8,691 | Jul 31, 2026 | 1 |
| Garrett Scott T | Director | 41,644Indirect | Jul 31, 2026 | 2 |
| Byam Rebecca | Chief Financial Officer | 57,245 | May 27, 2026 | 1 |
| Winer Gary M | Director | 4,075 | May 20, 2025 | 0 |
| Greene Rick S. | Director | 2,066 | May 9, 2025 | 0 |
| Giles Lisa M. | Director | 35,815 | Jun 17, 2024 | 0 |
| Rhode Peter | See Remarks | 77,500 | Dec 11, 2023 | 0 |
| Jiao Jin-an | VP of Development | 45,141 | Jun 2, 2022 | 0 |
| Medmira Capital Ltd. | 10% Owner | 0 | Sep 17, 2021 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 9, 2025 (view filing) | May 7 | 2 days | Garrett Scott TDirector | PPurchase | +2.69K | $0.00 | $0 | –2.69K after | Derivative |
| May 9, 2025 (view filing) | May 8 | 1 day | Wong Hing CChief Executive Officer | PPurchase | +92.5K | $26.00 | +$2.40M | +23.0%493.9K after | |
| May 9, 2025 (view filing) | May 7 | 2 days | Wong Hing CChief Executive Officer | PPurchase | +46.3K | $0.00 | $0 | –46.3K after | Derivative |
| May 9, 2025 (view filing) | May 8 | 1 day | Winer Gary MDirector | PPurchase | +2.31K | $26.00 | +$60.0K | +543.1%2.73K after | |
| May 9, 2025 (view filing) | May 7 | 2 days | Winer Gary MDirector | PPurchase | +1.15K | $0.00 | $0 | –1.15K after | Derivative |
| May 20, 2025 (view filing) | May 16 | 4 days | Garrett Scott TDirector | PPurchase | +13.4K | $7.45 | +$100.0K | +111.1%25.5K after | |
| May 20, 2025 (view filing) | May 16 | 4 days | Winer Gary MDirector | PPurchase | +1.34K | $7.45 | +$10.0K | +49.1%4.08K after | |
| May 20, 2025 (view filing) | May 16 | 4 days | Wong Hing CChief Executive Officer | PPurchase | +8.05K | $7.45 | +$60.0K | +1.6%501.9K after | |
| May 27, 2026 (view filing) | May 22 | 5 days | Byam RebeccaChief Financial Officer | PPurchase | +14.2K | $1.41 | +$20.1K | +33.1%57.2K after | |
| May 27, 2026 (view filing) | May 22 | 5 days | Byam RebeccaChief Financial Officer | PPurchase | +14.2K | $0.00 | $0 | –18.5K after | Derivative |
| May 27, 2026 (view filing) | May 22 | 5 days | Garrett Scott TDirector | PPurchase | +177.9K | $1.41 | +$250.9K | +697.7%203.4K after | |
| May 27, 2026 (view filing) | May 22 | 5 days | Garrett Scott TDirector | PPurchase | +177.9K | $0.00 | $0 | –180.6K after | Derivative |
| May 27, 2026 (view filing) | May 22 | 5 days | Wong Hing CChief Executive Officer | PPurchase | +113.9K | $1.41 | +$160.6K | +22.7%615.8K after | |
| May 27, 2026 (view filing) | May 22 | 5 days | Wong Hing CChief Executive Officer | PPurchase | +113.9K | $0.00 | $0 | –118.1K after | Derivative |
| Jul 31, 2026 (view filing)4:02 PM ET | Jul 29 | 2 days | Garrett Scott TDirector | PPurchase | +7.74K | $2.59 | +$20.0K | +22.8%41.6K after | |
| Jul 31, 2026 (view filing)4:06 PM ET | Jul 29 | 2 days | Flowers LeeSVP of Business Development | PPurchase | +7.74K | $2.59 | +$20.0K | +810.1%8.69K after | |
| Jul 31, 2026 (view filing)4:10 PM ET | Jul 29 | 2 days | Wong Hing CChief Executive Officer | PPurchase | +23.2K | $2.59 | +$60.0K | +22.6%125.8K after |