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About the data

© 2026 InsiderTradingScreener.com. Data from SEC EDGAR Form 4 filings.For informational purposes only. Not financial advice.

Home/Companies/Upstream Bio, Inc.

Upstream Bio, Inc.

31 insider trades tracked

UPB

Insider trades

31

Bought (open market)

$0

Sold (open market)

$77K

Unique insiders

11

12-month activity

Monthly insider buy vs sell totals for Upstream Bio, Inc..

BuysSells

Recent insider trades

Most recent Form 4 filings for Upstream Bio, Inc..

Houghton Adamsold700 shares ofUPBat $6.1$4KJun 17Details
Deykin Aaronsold895 shares ofUPBat $6.1$5KJun 17Details
Ambrose Allisonsold477 shares ofUPBat $6.1$3KJun 17Details
Sutherland Everett Randsold2,095 shares ofUPB

Insiders at this company

Executives and directors who have filed Form 4s.

Ambrose Allison5 trades
Deykin Aaron5 trades
Houghton Adam5 trades
GRAY MICHAEL5 trades
Sutherland Everett Rand5 trades
Renaud Ronald C JR1 trades
Beckman Daniella1 trades
Ratcliffe Liam1 trades

Explore insider screeners

Latest CEO & CFO Purchases Latest CEO & CFO Sales Director Purchases Officer Purchases Top Purchases This Week Top Sales This Week Top Officer Buys (Month)10% Owner Filings 10b5-1 Planned Trades Discretionary Trades Buy/Sell Ratios Politician–Insider Overlap

at $6.1

$13KJun 17Details

GRAY MICHAELsold853 shares ofUPBat $6.1$5KJun 17Details

Ruddy Marcella K.granted17,096 shares ofUPBat $0Jun 11Details

Fleming Harold Edwardgranted17,096 shares ofUPBat $0Jun 11Details

Chimovits Erezgranted17,096 shares ofUPBat $0Jun 11Details

Ratcliffe Liamgranted17,096 shares ofUPBat $0Jun 11Details

Beckman Daniellagranted17,096 shares ofUPBat $0Jun 11Details

Renaud Ronald C JRgranted17,096 shares ofUPBat $0Jun 11Details

Deykin Aaronsold894 shares ofUPBat $9.29$8KMar 17Details

Ambrose Allisonsold475 shares ofUPBat $9.29$4KMar 17Details

Houghton Adamsold699 shares ofUPBat $9.29$6KMar 17Details

Sutherland Everett Randsold2,093 shares ofUPBat $9.29$19KMar 17Details

GRAY MICHAELsold852 shares ofUPBat $9.29$8KMar 17Details

Deykin Aarongranted96,000 shares ofUPBat $0Jan 6Details

Deykin Aarongranted32,000 shares ofUPBat $0Jan 6Details

Ambrose Allisongranted51,000 shares ofUPBat $0Jan 6Details

Ambrose Allisongranted17,000 shares ofUPBat $0Jan 6Details

Houghton Adamgranted75,000 shares ofUPBat $0Jan 6Details

Houghton Adamgranted25,000 shares ofUPBat $0Jan 6Details

Sutherland Everett Randgranted225,000 shares ofUPBat $0Jan 6Details

Sutherland Everett Randgranted75,000 shares ofUPBat $0Jan 6Details

GRAY MICHAELgranted91,500 shares ofUPBat $0Jan 6Details

GRAY MICHAELgranted30,500 shares ofUPBat $0Jan 6Details

Sutherland Everett Randgranted500,000 shares ofUPBat $0Feb 7Details

GRAY MICHAELgranted195,000 shares ofUPBat $0Feb 7Details

Houghton Adamgranted140,000 shares ofUPBat $0Feb 7Details

Deykin Aarongranted165,000 shares ofUPBat $0Feb 7Details

View all trades for UPB →

Chimovits Erez

1 trades

Fleming Harold Edward1 trades

Ruddy Marcella K.1 trades

Upstream Bio, Inc. (UPB) — Insider Trading Activity | Insider Trading Screener