Aaron Deykin

All filings by Aaron Deykin on record concern Upstream Bio, Inc. The record holds 4 filings, for trades running from 2 January 2026 to 16 September 2026.

Sales make up the whole of the open-market record (3 sales, €16k). Outside the open market, there are 1 share grant.

The newest entry dates from 17 September 2026: an open-market sale of €4,260, in Upstream Bio, Inc. Typically, a trade is published a median of 1 day after it takes place. US insiders must file a Form 4 within two business days of a trade. A sale on its own says little: insiders also sell to pay tax, fund a purchase or diversify. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.