Fin
Echo
Markets
Dashboard
Search
Fear & Greed
Tools
Watchlist
Budget
Context
Upcoming
Notifications
Upcoming
Research
News
Market Events
Economy
New
SEC Filings
Finecho Content
New
Fin
Echo
Markets
Dashboard
Search
Fear & Greed
Tools
Watchlist
Budget
Context
Upcoming
Notifications
Upcoming
Research
News
Market Events
Economy
New
SEC Filings
Finecho Content
New
GRAYZEL DAVID S.
Private
CIK: 1732786
Location
CAMBRIDGE, MA
Insider Of
3
Name & Role
Position
Tenure
Holdings
JADE BIOSCIENCES, INC.
—
Since Jun 2021
—
SURFACE ONCOLOGY, INC.
—
Since Jun 2019
—
Q32 BIO INC.
—
Since Jan 2026
—
JADE BIOSCIENCES, INC.
Position
—
Tenure
Since Jun 2021
Holdings
—
SURFACE ONCOLOGY, INC.
Position
—
Tenure
Since Jun 2019
Holdings
—
Q32 BIO INC.
Position
—
Tenure
Since Jan 2026
Holdings
—