Latest filing published 17 Sept 2026 for Upstream Bio, Inc., €3,331.
Filing timeline
BuySaleInsider track record
Adam Houghton: trading record in brief
This profile gathers the share dealings of Adam Houghton in Upstream Bio, Inc. Between 2 January 2026 and 16 September 2026, the trades on record add up to 3 filings.
On the market, this insider has only sold: 2 sales, €9,010 in total. Outside the open market, there are 1 share grant.
The record was last updated on 17 September 2026 with an open-market sale (€3,331) in Upstream Bio, Inc. The median gap between a trade and its publication by SEC (Form 4) is 1 day. Section 16 rules allow two business days to file each Form 4. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.
Companies and markets linked to Adam Houghton
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
- 700 shares@ US$5.490.0025% mcap37.0% of flowCommon StockSEC:0001193125-26-394324:0
- 699 shares@ US$9.2963.0% of flowCommon StockSEC:0001193125-26-111105:0
- 25,000 shares0Common StockSEC:0001193125-26-004755:0
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