Gray Michael

Upstream Bio, Inc. · CFO and COO

Gray Michael is listed in filings as CFO and COO at Upstream Bio, Inc.. This profile follows SEC Form 4 activity through Mar 17, 2026, including sale activity. Recent filings connect the profile to Upstream Bio, Inc. (UPB). The current snapshot covers public activity from Jan 6, 2026 to Mar 17, 2026. Reported amounts are shown as $7.9K to $2.5M. The page organizes purchases, sales, issuer links, reported share activity, and filing evidence for review as public disclosure data.

Latest Trades

CompanyValueActionPriceLast Price
Upstream Bio, Inc.UPB$7.9k852 sharesSellMar 16, 2026$9.29$7.01