HCW Biologics Inc. (HCWB) Insider Trading
Over the last 3 months, HCWB insiders made 3 open-market buys and 0 sales, a net purchase of $430K (SEC Form 4). Multiple insiders bought within days of each other (cluster buying). Over the last 6 months, 5 institutions increased and 0 reduced their position (13F).
Insider Activity
Sentiment
100/100
Buys (3m)
3
Sells (3m)
0
Net (3m)
$430.0K
Insiders buyingCluster buying
Insider trades by month Buys Sells
Sep
May
Jun
Sep
May
May
Context3-month price +158.8%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 27, 2026 | Wong Hing Cdirector, 10 percent owner, officer: Chief Executive Officer | Buy | 113,879 | $1.41 |
| May 27, 2026 | Byam Rebeccaofficer: Chief Financial Officer | Buy | 14,235 | $1.41 |
| May 27, 2026 | GARRETT SCOTT Tdirector | Buy | 177,936 | $1.41 |
| May 20, 2025 | Winer Gary Mdirector | Buy | 1,342 | $7.45 |
| May 20, 2025 | Wong Hing Cdirector, 10 percent owner, officer: Chief Executive Officer | Buy | 8,054 | $7.45 |
| May 20, 2025 | GARRETT SCOTT Tdirector | Buy | 13,423 | $7.45 |
| May 9, 2025 | Wong Hing Cdirector, 10 percent owner, officer: Chief Executive Officer | Buy | 46,250 | $26.00 |
| May 9, 2025 | GARRETT SCOTT Tdirector | Buy | 5,385 | $26.00 |
| May 9, 2025 | GARRETT SCOTT Tdirector | Buy | 2,692 | $26.00 |
| May 9, 2025 | Byam Rebeccaofficer: Chief Financial Officer | Buy | 8,462 | $26.00 |
| May 9, 2025 | Byam Rebeccaofficer: Chief Financial Officer | Buy | 4,231 | $26.00 |
| May 9, 2025 | Flowers Leeofficer: SVP of Business Development | Buy | 962 | $26.00 |
| May 9, 2025 | Flowers Leeofficer: SVP of Business Development | Buy | 481 | $26.00 |
| May 9, 2025 | Greene Rick S.director | Buy | 962 | $26.00 |
| May 9, 2025 | Greene Rick S.director | Buy | 481 | $26.00 |
| May 9, 2025 | Winer Gary Mdirector | Buy | 2,308 | $26.00 |
| May 9, 2025 | Winer Gary Mdirector | Buy | 1,154 | $26.00 |
| May 9, 2025 | Wong Hing Cdirector, 10 percent owner, officer: Chief Executive Officer | Buy | 92,500 | $26.00 |
| Jun 17, 2024 | Winer Gary Mdirector | Grant | 12,500 | $1.12 |
| Jun 17, 2024 | Giles Lisa M.director | Grant | 12,500 | $1.12 |
| Jun 17, 2024 | GARRETT SCOTT Tdirector | Grant | 12,500 | $1.12 |
| Jun 17, 2024 | Greene Rick S.director | Grant | 12,500 | $1.12 |
| Feb 22, 2024 | GARRETT SCOTT Tdirector | Grant | 142,858 | $1.40 |
| Feb 22, 2024 | Flowers Leeofficer: SVP of Business Development | Grant | 71,429 | $1.40 |
| Feb 22, 2024 | Byam Rebeccaofficer: Chief Financial Officer | Grant | 760,714 | $1.40 |
| Feb 22, 2024 | Wong Hing Cdirector, officer: Chief Executive Officer | Grant | 739,288 | $1.40 |
| Feb 22, 2024 | Greene Rick S.director | Grant | 35,714 | $1.40 |
| Feb 22, 2024 | Giles Lisa M.director | Grant | 35,715 | $1.40 |
| Dec 11, 2023 | Rhode Peterofficer: See Remarks | Option | 14,000 | $0.14 |
| Dec 11, 2023 | Flowers Leeofficer: SVP of Business Development | Option | 7,501 | $0.14 |
Source: HCWB SEC Form 4 filings, latest May 27, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their HCWB positions over the last 6 months (SEC Form 13F).
Increased
5
New positions
6
Reduced
0
Sold out
5
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| HRT FINANCIAL LP | New Position | 266K | May 14, 2026 |
| VIRTU FINANCIAL LLC | New Position | 48K | May 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 36K | May 15, 2026 |
| CITADEL ADVISORS LLC | Increased | 26K | May 15, 2026 |
| TOWER RESEARCH CAPITAL LLC (TRC) | Increased | 15K | May 15, 2026 |
| JANE STREET GROUP, LLC | New Position | 14K | May 12, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 12K | May 15, 2026 |
| CITIGROUP INC | Increased | 11K | May 11, 2026 |
| GOLDEN STATE WEALTH MANAGEMENT, LLC | Unchanged | 10K | Apr 28, 2026 |
| UBS GROUP AG | Increased | 9K | May 5, 2026 |
| VANGUARD FIDUCIARY TRUST CO | New Position | 2K | May 8, 2026 |
| WELLS FARGO & COMPANY/MN | Unchanged | 1K | May 11, 2026 |
| ADVISOR GROUP HOLDINGS, INC. | Unchanged | 26 | May 15, 2026 |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | New Position | 2 | May 7, 2026 |
| BANK OF AMERICA CORP /DE/ | Sold Out | 0 | May 18, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.