TibaRay
Tibaray, Inc.
TibaRay pioneers FLASH radiotherapy - delivering cancer-killing radiation in milliseconds to reduce side effects and protect healthy tissue.
tibaray.com · Fremont, CA
Funding event
The round itself, as filedInferred stageSeed
Sold of offered$2.1M of $7.1M
Filed2026-11-03
Days since filing10
- Exemption claimed
- Rule 506(b)
- First-ever Form D
- No
- Date of first sale
- 2026-04-15
Investors
No investors named: Form D does not list them
Officers on the filing
Names and roles as filed; addresses are never stored- Thinh Quy TranExecutive Officer · Director
- Laird CaganDirector
- Peter MaximDirector
- James VetterDirector
- Billy LooDirector
- Sami TantawiExecutive Officer · Director
Health flags
Three flags, each with the raw inputs behind it · as of 2026-11-13UndersubscribedFlagged$2.1M of $7.1M sold7 months since first sale
Prior raiseNot flaggedRaised $2.1M against a prior $1.3M$1.3M prior raise, filed 2025-05-12
AmendedNot flaggedNo amendmentNo D/A on file
Open roles
On the employer's own careers page · checked 2026-11-040
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.
Also raised in Health & bio
Same sector, 28 days to 2026-11-15OrcosaSeries A · $6.0M of $11.5M · Ewing, NJQuietChronicleBioPre-seed · $250K of $1.0M · Menlo Park, CAQuiet
103 rounds in Health & bio in the 28 days to 2026-11-12, against 122 in the 28 days before.