HCWBNasdaqPharmaceutical PreparationsFiscal year ends December 31
HCW Biologics Inc.
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 14, 2026
$1.23−0.01 (-0.81%)
Close on Oct 19, 2026
- Market cap
- $1.63M
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
5.6%
0M of 2M shares
Institutional holders
12
12 new, 0 sold out
Net institutional buying
0M
In Q2 2026
Insider trades, 12 months
6 buys · 0 sales
Net bought $531.72K
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Hing C. Wong, Ph.D. | 501,911 | 23.38% | 13D (active) amendment | May 15, 2025 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of HCWB | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Jane Street Group, LLC | 52,138 | 2.84% | $260.17K | New | 0.00% |
| Citadel Advisors LLC | 19,942 | 1.09% | $99.51K | New | 0.00% |
| Hrt Financial LP | 13,583 | 0.74% | $67 | New | 0.00% |
| Vanguard Fiduciary Trust Co | 6,510 | 0.35% | $32.49K | New | 0.00% |
| Tower Research Capital LLC (TRC) | 4,117 | 0.22% | $20.54K | New | 0.00% |
| Connective Capital Management, LLC | 3,338 | 0.18% | $16.66K | New | 0.01% |
| Vanguard Capital Management LLC | 2,003 | 0.11% | $10.00K | New | 0.00% |
| Golden State Wealth Management, LLC | 1,667 | 0.09% | $8.32K | New | 0.00% |
| Barclays PLC | 191 | 0.01% | $953 | New | 0.00% |
| Caitong International Asset Management Co., Ltd | 11 | 0.00% | $10 | New | 0.00% |
| Osaic Holdings, Inc. | 4 | 0.00% | $20 | New | 0.00% |
| UBS Group AG | 1 | 0.00% | $5 | New | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 12 | 0M | 5.6% | 12 / 0 | 0 / 0 | 0M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of HCWB | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Extended Market Index Fund | 2,004 | 0.11% | $10.00K | 0.00% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Hing C. Wong | Chief Executive Officer, Director, 10% owner | 125,845 | 6.85% | Jul 31, 2026 |
| Lee Flowers | SVP of Business Development | 8,691 | 0.47% | Jul 31, 2026 |
| Rebecca Byam | Chief Financial Officer | 57,245 | 3.12% | May 27, 2026 |
| Scott T. Garrett | Director | 67,149 | 3.66% | Jul 31, 2026 |
| Gary M. Winer | Director | 4,075 | 0.22% | May 20, 2025 |
| Rick S. Greene | Director | 2,066 | 0.11% | May 9, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Lee Flowers SVP of Business Development | Jul 29, 2026 | Buy | +7,736 | $2.59 | $20.04K | 8,691 |
| Hing C. Wong Chief Executive Officer, Director, 10% owner | Jul 29, 2026 | Buy | +23,210 | $2.59 | $60.11K | 125,845 |
| Scott T. Garrett Director | Jul 29, 2026 | Buy | +7,736 | $2.59 | $20.04K | 41,644 |
| Scott T. Garrett Director | May 22, 2026 | Buy | +177,936 | $1.41 | $250.89K | 203,441 |
| Hing C. Wong Chief Executive Officer, Director, 10% owner | May 22, 2026 | Buy | +113,879 | $1.41 | $160.57K | 615,790 |
| Rebecca Byam Chief Financial Officer | May 22, 2026 | Buy | +14,235 | $1.41 | $20.07K | 57,245 |
| Gary M. Winer Director | May 16, 2025 | Buy | +1,342 | $7.45 | $10.00K | 4,075 |
| Hing C. Wong Chief Executive Officer, Director, 10% owner | May 16, 2025 | Buy | +8,054 | $7.45 | $60.00K | 501,911 |
| Scott T. Garrett Director | May 16, 2025 | Buy | +13,423 | $7.45 | $100.00K | 25,505 |
| Rebecca Byam Chief Financial Officer | May 8, 2025 | Buy | +8,462 | $26.00 | $220.01K | 43,010 |
| Scott T. Garrett Director | May 8, 2025 | Buy | +5,385 | $26.00 | $140.01K | 12,082 |
| Hing C. Wong Chief Executive Officer, Director, 10% owner | May 8, 2025 | Buy | +92,500 | $26.00 | $2.41M | 493,857 |
| Gary M. Winer Director | May 8, 2025 | Buy | +2,308 | $26.00 | $60.01K | 2,733 |
| Lee Flowers SVP of Business Development | May 8, 2025 | Buy | +962 | $26.00 | $25.01K | 5,720 |
| Rick S. Greene Director | May 8, 2025 | Buy | +962 | $26.00 | $25.01K | 2,066 |
| Hing C. Wong Chief Executive Officer, Director | Feb 20, 2024 | Award | +739,288 | $1.40 | $1.04M | 16,054,156 |
| Rick S. Greene Director | Feb 20, 2024 | Award | +35,714 | $1.40 | $50.00K | 44,125 |
| Scott T. Garrett Director | Feb 20, 2024 | Award | +142,858 | $1.40 | $200.00K | 267,858 |
| Rebecca Byam Chief Financial Officer | Feb 20, 2024 | Award | +760,714 | $1.40 | $1.06M | 1,381,909 |
| Lee Flowers SVP of Business Development | Feb 20, 2024 | Award | +71,429 | $1.40 | $100.00K | 190,238 |
| Lisa M. Giles Director | Feb 20, 2024 | Award | +35,715 | $1.40 | $50.00K | 35,815 |
| Peter Rhode See Remarks | Dec 11, 2023 | Option exercise | +14,000 | $0.14 | $1.96K | 77,500 |
| Lee Flowers SVP of Business Development | Dec 8, 2023 | Option exercise | +7,501 | $0.14 | $1.05K | 118,809 |
| Peter Rhode See Remarks | Nov 17, 2023 | Option exercise | +15,000 | $0.14 | $2.10K | 63,500 |
| Rebecca Byam Chief Financial Officer | Oct 19, 2023 | Option exercise | +47,249 | $0.14 | $6.61K | 621,195 |
| Hing C. Wong Chief Executive Officer, Director | Sep 14, 2023 | Buy | +1,800 | $2.08 | $3.74K | 15,314,868 |
| Gary M. Winer Director | Sep 14, 2023 | Buy | +162 | $2.08 | $337 | 16,121 |
| Gary M. Winer Director | Sep 14, 2023 | Buy | +879 | $2.05 | $1.80K | 17,000 |
| Gary M. Winer Director | Sep 13, 2023 | Buy | +46 | $2.00 | $92 | 15,959 |
| Gary M. Winer Director | Sep 13, 2023 | Buy | +500 | $2.05 | $1.03K | 15,913 |
| Rebecca Byam Chief Financial Officer | Sep 13, 2023 | Buy | +5,000 | $2.10 | $10.50K | 573,946 |
| Rebecca Byam Chief Financial Officer | Sep 12, 2023 | Buy | +5,000 | $2.09 | $10.45K | 568,946 |
| Gary M. Winer Director | Sep 12, 2023 | Buy | +500 | $2.05 | $1.03K | 15,413 |
| Rebecca Byam Chief Financial Officer | Sep 11, 2023 | Buy | +5,000 | $2.05 | $10.25K | 563,946 |
| Gary M. Winer Director | Sep 11, 2023 | Buy | +99 | $2.05 | $203 | 14,913 |
| Gary M. Winer Director | Sep 8, 2023 | Buy | +1 | $1.90 | $2 | 14,814 |
| Rebecca Byam Chief Financial Officer | Sep 8, 2023 | Buy | +5,000 | $2.02 | $10.10K | 558,946 |
| Rebecca Byam Chief Financial Officer | Sep 7, 2023 | Buy | +5,000 | $1.95 | $9.75K | 553,946 |
| Gary M. Winer Director | Sep 7, 2023 | Buy | +63 | $1.95 | $123 | 14,813 |
| Rebecca Byam Chief Financial Officer | Sep 6, 2023 | Buy | +5,000 | $1.95 | $9.75K | 548,946 |
| Gary M. Winer Director | Sep 5, 2023 | Buy | +400 | $1.75 | $700 | 14,750 |
| Rebecca Byam Chief Financial Officer | Jun 9, 2023 | Buy | +20,000 | $2.06 | $41.20K | 543,946 |
| Lee Flowers SVP of Business Development | Jun 8, 2023 | Option exercise | +5,356 | $0.14 | $750 | 101,308 |
| Lee Flowers SVP of Business Development | Jun 8, 2023 | Buy | +10,000 | $2.16 | $21.60K | 111,308 |
| Rebecca Byam Chief Financial Officer | Jun 8, 2023 | Buy | +4,696 | $2.21 | $10.38K | 523,946 |
| Rebecca Byam Chief Financial Officer | Jun 7, 2023 | Buy | +20,000 | $2.03 | $40.60K | 519,250 |
| Rebecca Byam Chief Financial Officer | Jun 6, 2023 | Buy | +19,062 | $1.82 | $34.69K | 499,250 |
| Rebecca Byam Chief Financial Officer | Jun 5, 2023 | Buy | +20,000 | $1.67 | $33.40K | 480,188 |
| Hing C. Wong Chief Executive Officer, Director | Jun 2, 2023 | Buy | +800 | $1.54 | $1.23K | 15,313,068 |
| Hing C. Wong Chief Executive Officer, Director | Jun 1, 2023 | Buy | +800 | $1.62 | $1.30K | 15,312,268 |
| Gary M. Winer Director | May 31, 2023 | Buy | +500 | $1.50 | $750 | 14,350 |
| Hing C. Wong Chief Executive Officer, Director | May 31, 2023 | Buy | +2,000 | $1.55 | $3.10K | 15,311,468 |
| Gary M. Winer Director | May 30, 2023 | Buy | +850 | $1.52 | $1.29K | 13,850 |
| Hing C. Wong Chief Executive Officer, Director | May 30, 2023 | Buy | +3,000 | $1.55 | $4.65K | 15,309,468 |
| Rebecca Byam Chief Financial Officer | May 26, 2023 | Buy | +20,000 | $1.66 | $33.20K | 460,188 |
| Rebecca Byam Chief Financial Officer | May 25, 2023 | Buy | +20,000 | $1.62 | $32.40K | 440,188 |
| Rebecca Byam Chief Financial Officer | May 24, 2023 | Buy | +20,000 | $1.61 | $32.20K | 420,188 |
| Rebecca Byam Chief Financial Officer | May 23, 2023 | Buy | +5,036 | $1.57 | $7.91K | 400,188 |
| Rebecca Byam Chief Financial Officer | May 22, 2023 | Buy | +33,450 | $1.53 | $51.18K | 395,152 |
| Rebecca Byam Chief Financial Officer | Nov 2, 2022 | Option exercise | +33,750 | $0.14 | $4.73K | 361,702 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.