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 $100K (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)
$100.0K
Insiders buyingCluster buying
Insider trades by month Buys Sells
May
Jun
Sep
May
May
Jul
Context3-month price -73.6%Institutions reducing (13F)
DateInsiderTypeSharesPrice
Jul 31, 2026Flowers Leeofficer: SVP of Business DevelopmentBuy7,736$2.58
Jul 31, 2026GARRETT SCOTT TdirectorBuy7,736$2.58
Jul 31, 2026Wong Hing Cdirector, 10 percent owner, officer: Chief Executive OfficerBuy23,210$2.58
May 27, 2026Wong Hing Cdirector, 10 percent owner, officer: Chief Executive OfficerBuy113,879$1.41
May 27, 2026GARRETT SCOTT TdirectorBuy177,936$1.41
May 27, 2026Byam Rebeccaofficer: Chief Financial OfficerBuy14,235$1.41
May 20, 2025Winer Gary MdirectorBuy1,342$7.45
May 20, 2025Wong Hing Cdirector, 10 percent owner, officer: Chief Executive OfficerBuy8,054$7.45
May 20, 2025GARRETT SCOTT TdirectorBuy13,423$7.45
May 9, 2025Byam Rebeccaofficer: Chief Financial OfficerBuy8,462$26.00
May 9, 2025Byam Rebeccaofficer: Chief Financial OfficerBuy4,231$26.00
May 9, 2025Flowers Leeofficer: SVP of Business DevelopmentBuy962$26.00
May 9, 2025Flowers Leeofficer: SVP of Business DevelopmentBuy481$26.00
May 9, 2025Greene Rick S.directorBuy962$26.00
May 9, 2025Greene Rick S.directorBuy481$26.00
May 9, 2025GARRETT SCOTT TdirectorBuy5,385$26.00
May 9, 2025Wong Hing Cdirector, 10 percent owner, officer: Chief Executive OfficerBuy46,250$26.00
May 9, 2025Winer Gary MdirectorBuy2,308$26.00
May 9, 2025Wong Hing Cdirector, 10 percent owner, officer: Chief Executive OfficerBuy92,500$26.00
May 9, 2025Winer Gary MdirectorBuy1,154$26.00
May 9, 2025GARRETT SCOTT TdirectorBuy2,692$26.00
Jun 17, 2024Winer Gary MdirectorGrant12,500$1.12
Jun 17, 2024Greene Rick S.directorGrant12,500$1.12
Jun 17, 2024GARRETT SCOTT TdirectorGrant12,500$1.12
Jun 17, 2024Giles Lisa M.directorGrant12,500$1.12
Feb 22, 2024Giles Lisa M.directorGrant35,715$1.40
Feb 22, 2024GARRETT SCOTT TdirectorGrant142,858$1.40
Feb 22, 2024Flowers Leeofficer: SVP of Business DevelopmentGrant71,429$1.40
Feb 22, 2024Byam Rebeccaofficer: Chief Financial OfficerGrant760,714$1.40
Feb 22, 2024Wong Hing Cdirector, officer: Chief Executive OfficerGrant739,288$1.40

Source: HCWB SEC Form 4 filings, latest Jul 31, 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
7
Reduced
0
Sold out
15
Largest moves
InstitutionActionSharesFiled
HRT FINANCIAL LPNew Position266KMay 14, 2026
VIRTU FINANCIAL LLCNew Position48KMay 14, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased36KMay 15, 2026
CITADEL ADVISORS LLCIncreased26KMay 15, 2026
TOWER RESEARCH CAPITAL LLC (TRC)Increased15KMay 15, 2026
JANE STREET GROUP, LLCNew Position14KMay 12, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position12KMay 15, 2026
CITIGROUP INCIncreased11KMay 11, 2026
GOLDEN STATE WEALTH MANAGEMENT, LLCUnchanged10KApr 28, 2026
UBS GROUP AGIncreased9KMay 5, 2026
VANGUARD FIDUCIARY TRUST CONew Position2KMay 8, 2026
WELLS FARGO & COMPANY/MNUnchanged1KJul 8, 2026
ADVISOR GROUP HOLDINGS, INC.Unchanged26May 15, 2026
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CONew Position2May 7, 2026
SBI Securities Co., Ltd.New Position1Apr 28, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.

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