InsiderTrades

Form 4 for UPB Upstream Bio, Inc.

Accepted 2026-03-17 00:00:00 ET · period of report 2026-03-16 · accession 0001193125-26-111124 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-03-17 2026-03-16 UPB Sutherland Everett Rand CEO, Dir S - Sale $9.29 -2,093 72.9K -3% -$19.4K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-16 S D 2,093 $9.29 72,907 D — —