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sellModerate cluster of 5

Everett Rand Sutherland sold $12k of UPB

Chief Executive Officer at Upstream Bio, Inc.. 2,095 shares at an average of $5.49, traded Sep 16, 2026, filed Sep 17, 2026.

Warning score
40
Value
$12k
2,095 shares
Holdings after
68,717
-3% from before
From 52-week low
0%
low $5.33, close $5.33
From 52-week high
-84%
high $32.60, as of Sep 16, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $12k at market
    0
  • Share of holdings sold
    Sold 3.0% of holdings
    0
  • Cluster
    5 insiders selling within 14 days
    +15

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.

UPBOct 9, 2026 · close 4.70
Since filing Sep 17, 2026: -11.5%SPY +2.3% · excess -13.8%

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 0001193125-26-394325, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 16, 2026SOpen-market sale
Common Stock
-2,095$5.49$12k68,71725 d ago

Related signals

Other insiders at Upstream Bio, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
30Weak
UPBsell 5
Upstream Bio, Inc.
Allison Ambrose
General Counsel
$2,663
485 shares
-3%
30Weak
UPBsell 5
Upstream Bio, Inc.
Aaron Deykin
Chief Medical Officer
$4,914
895 shares
-3%
37Weak
UPBsell 5
Upstream Bio, Inc.
Michael Gray
CFO and COO
$4,683
853 shares
-3%
30Weak
UPBsell 5
Upstream Bio, Inc.
Adam Houghton
Chief Business Officer
$3,843
700 shares
-3%
40Moderate
UPBbuy 310b5-1
Upstream Bio, Inc.
AI Upstream LLC
owner
$20M
1,175,000 shares
-
65Notable
UPBbuy 3
Upstream Bio, Inc.
Erez Chimovits
director, owner
$14M
825,000 shares
+85%
65Notable
UPBbuy 3
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.

Everett Rand Sutherland sold $12k of UPB | InsiderTell