Ratcliffe Liam bought UPB
June 9, 2026 · Form 4 insider transaction
Ratcliffe Liam bought 17,096 shares of Upstream Bio, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Acquired (buy-side)
Shares
17,096
Price
$0.00
Total value
N/A
InsiderRatcliffe Liam
RoleDirector
CompanyUpstream Bio, Inc. (UPB)
SecurityStock Option (Right to Buy)
Transaction codeA: Grant or award
Transaction dateJune 9, 2026
Filing dateJune 11, 2026
Shares owned after17,096
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
The shares underlying this option shall vest in full upon the earlier of (i) June 9, 2027 and (ii) the date of the next Annual Meeting of Stockholders of the Issuer, subject to the Reporting Person's continued service on such vesting date.