Activity Companies Alerts About

E. Rand Sutherland owns 0.13% of Upstream Bio

68,717 shares as of the September 16, 2026 filing, worth $189,659 at the latest close.

UPB · $151M market cap
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Free.
The stake
0.13%
worth $189,659 at the latest close
Stake rank
#2,746
by dollar value of the stake
Last sale
33 days ago
Sep 16, 2026
Last buy
None
no purchases since 2026

E. Rand Sutherland owns 0.13% of Upstream Bio, Inc.: 68,717 of 54,771,041 shares, worth about $189,659 at the 2026-10-16 close. The stake has moved from 0.00% in 2024 to 0.13% on 2026-09-16, across 3 sales and 0 purchases that moved it since 2016. The last trade that moved it was a discretionary sale of $11,502 on 2026-09-16.

How the stake is held

as of the Sep 16, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Sep 16, 2026 · Form 4 ↗
HELD DIRECTLY
68,717
100.0%
THE STAKE
68,717
0.13%