Latest filing published 17 Sept 2026 for Upstream Bio, Inc., €2,308.
Filing timeline
BuySaleInsider track record
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
No signal scores available.
Allison Ambrose: trading record in brief
Allison Ambrose appears in our data through filings on Upstream Bio, Inc. shares, published by SEC (Form 4). Over a trading history stretching from 2 January 2026 to 16 September 2026, the count stands at 4 filings.
Sales make up the whole of the open-market record (3 sales, €8,673). Other entries cover 1 share grant.
Most recently, on 17 September 2026, the filings show an open-market sale worth €2,308 in Upstream Bio, Inc. The median gap between a trade and its publication by SEC (Form 4) is 1 day. For comparison, the SEC allows two business days to file a Form 4. Keep in mind that insiders sell for many reasons unrelated to the outlook, from tax bills to estate planning. 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 Allison Ambrose
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
- 485 shares@ US$5.49Common StockSEC:0001193125-26-394318:0
- 477 sharesCommon StockSEC:0001193125-26-274119:0
- 475 shares@ US$9.29100.0% of flowCommon StockSEC:0001193125-26-111121:0
- 17,000 shares0Common StockSEC:0001193125-26-004756:0
4 of 4 declarations