Upstream Bio (UPB) insider trading in the last 6 months

5 insiders sold $58K. No buys.

Quality Score-9Poor

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Form 4 filings, newest first

SellEverett Rand Sutherland$12KChief Executive Officerat $5.49 on Sep 16, filed Sep 17

SellEverett Rand SutherlandChief Executive Officer$12Kat $5.49 on Sep 16, filed Sep 17

SellAaron Deykin$5KChief Medical Officerat $5.49 on Sep 16, filed Sep 17

SellAaron DeykinChief Medical Officer$5Kat $5.49 on Sep 16, filed Sep 17

SellMichael Gray$5KCFO and COOat $5.49 on Sep 16, filed Sep 17

SellMichael GrayCFO and COO$5Kat $5.49 on Sep 16, filed Sep 17

From SEC Form 4s, the newest filed Sep 17, 2026 · Insiders have 2 business days to file a trade

7 more filings on UPB in the last 6 months, for Pro members. See them free →

Pro members see every filing on UPB with what each insider bought or sold and at what price, and can turn on an optional alert when an insider buys.

Who files at Upstream Bio

Insider trades by person

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Questions about UPB's insider trades

As of Nov 9, 2026: Upstream Bio (UPB) has 10 insider filings on record in the last 6 months, the newest filed Sep 17, 2026. Its Quality Score is -9 (Poor). Scores as of 9:10 AM ET, 15 minutes behind.

Are UPB insiders buying or selling?

5 insiders sold $58K across 10 filings in the last 6 months. No open-⁠market buys on record. The newest filing: Everett Rand Sutherland, Chief Executive Officer, sold $12K on Sep 16, 2026.

Who are UPB's biggest insider sellers?

By the dollars of their sales in the last 6 months: Everett Rand Sutherland (Chief Executive Officer), 2 sales; Aaron Deykin (Chief Medical Officer), 2 sales; Michael Gray (CFO and COO), 2 sales. 5 insiders sold in all.

When did a UPB insider last buy?

No UPB insider bought shares on the open market in the last 6 months, as filed on Form 4. The newest filing is a sale by Everett Rand Sutherland on Sep 16, 2026.

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Upstream Bio (UPB) insider trading in the last 6 months

Form 4 filings, newest first

Who files at Upstream Bio

Questions about UPB's insider trades

Every insider trade, with its stock's score.