Xact Bio
Xact Bio, Inc.
Xact Bio is pioneering extra-hepatic siRNA delivery — targeting tissues beyond the liver with world-leading RNA medicine science.
xactbio.com · Boston, MA
Funding event
The round itself, as filedInferred stageSeries A
Sold of offered$10.0M of $18.0M
Filed2026-09-28
Days since filing5
- Exemption claimed
- Rule 506(b)
- First-ever Form D
- Yes
- Date of first sale
- 2026-09-11
Investors
No investors named: Form D does not list them
Officers on the filing
Names and roles as filed; addresses are never stored- Eric GreenExecutive Officer · Director
- Uciane ScarlettExecutive Officer · Director
- Chengjung LaiDirector
- Jian ShaoDirector
Health flags
Three flags, each with the raw inputs behind it · as of 2026-10-03UndersubscribedNot flagged55.6% sold0.7 months since first sale
Prior raiseNot flaggedPrior raise not known—
AmendedNot flaggedNo amendmentNo D/A on file
Open roles
On the employer's own careers page · checked 2026-10-010
Pre-posting windowNot enough dataShown once this sector and stage have 20 observed lags from filing to first posting.
No open roles foundWe read careers pages daily.
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