Adam Houghton sold $3,843 of UPB
Chief Business Officer at Upstream Bio, Inc.. 700 shares at an average of $5.49, traded Sep 16, 2026, filed Sep 17, 2026.
Score components
- +15RoleOfficer
- 0Trade size$4k at market
- 0Share of holdings soldSold 3.0% of holdings
- +15Cluster5 insiders selling within 14 days
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001193125-26-394324, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 16, 2026 | SOpen-market sale Common Stock | -700 | $5.49 | $3,843 | 22,901 | 25 d ago |
Related signals
Other insiders at Upstream Bio, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 30Weak | Upstream Bio, Inc. | Allison Ambrose General Counsel | $2,663 485 shares | -3% | |
| 30Weak | Upstream Bio, Inc. | Aaron Deykin Chief Medical Officer | $4,914 895 shares | -3% | |
| 37Weak | Upstream Bio, Inc. | Michael Gray CFO and COO | $4,683 853 shares | -3% | |
| 40Moderate | Upstream Bio, Inc. | Everett Rand Sutherland Chief Executive Officer | $12k 2,095 shares | -3% | |
| 40Moderate | Upstream Bio, Inc. | AI Upstream LLC owner | $20M 1,175,000 shares | - | |
| 65Notable | Upstream Bio, Inc. | Erez Chimovits director, owner | $14M 825,000 shares | +85% | |
| 65Notable | Upstream Bio, Inc. | Orbimed Advisors LLC director, owner | $14M 825,000 shares | +85% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.