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sellWeak cluster of 210b5-1 plan

Francis Lo sold $3.2M of ADPT

Chief People Officer at Adaptive Biotechnologies Corp. 115,406 shares at an average of $28.06, traded Sep 16, 2026, filed Sep 18, 2026.

Warning score
23
Value
$3.2M
115,406 shares
Holdings after
220,867
-34% from before
From 52-week low
+123%
low $12.41, close $27.67
From 52-week high
0%
high $27.67, as of Sep 16, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $3.2M at market
    +25
  • Share of holdings sold
    Sold 34% of holdings
    +10
  • Cluster
    2 insiders selling within 14 days
    +8
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

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.

ADPTOct 9, 2026 · close 26.49
Since filing Sep 18, 2026: -7.4%SPY +2.2% · excess -9.6%

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 0001780660-26-000022, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 16, 2026MOption exercise
Common Stock10b5-1
+53,091$12.14$645k283,80425 d ago
Sep 16, 2026MOption exercise
Common Stock10b5-1
+13,398$8.46$113k297,20225 d ago
Sep 16, 2026MOption exercise
Common Stock10b5-1
+15,629$3.99$62k312,83125 d ago
Sep 16, 2026MOption exercise
Common Stock10b5-1
+23,442$8.12$190k336,27325 d ago
Sep 16, 2026SOpen-market sale
Common Stock10b5-1
-107,537$28.02$3.0M228,73625 d ago
Sep 16, 2026SOpen-market sale
Common Stock10b5-1
-7,869$28.57$225k220,86725 d ago
Sep 16, 2026MOption exercise
Stock Option (right to buy)derivative10b5-1
-53,091$0.00$079,15525 d ago
Sep 16, 2026MOption exercise
Stock Option (right to buy)derivative10b5-1
-13,398$0.00$024,11325 d ago
Sep 16, 2026MOption exercise
Stock Option (right to buy)derivative10b5-1
-15,629$0.00$065,63625 d ago
Sep 16, 2026MOption exercise
Stock Option (right to buy)derivative10b5-1
-23,442$0.00$0103,14225 d ago

Related signals

Other insiders at Adaptive Biotechnologies Corp and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
24Weak
ADPTsell 310b5-1
Adaptive Biotechnologies Corp
Julie Rubinstein
President and COO
$948k
35,643 shares
-9%
22Weak
ADPTsell 310b5-1
Adaptive Biotechnologies Corp
Susan Bobulsky
Chief Commercial Officer, MRD
$193k
6,444 shares
-2%
22Weak
ADPTsell 310b5-1
Adaptive Biotechnologies Corp
Francis Lo
Chief People Officer
$758k
26,792 shares
-11%
25Weak
ADPTsell 310b5-1
Adaptive Biotechnologies Corp
Julie Rubinstein
President and COO
$1.0M
35,643 shares
-9%
8Weak
ADPTsell 210b5-1
Adaptive Biotechnologies Corp
Susan Bobulsky
Chief Commercial Officer, MRD
$32k
1,195 shares
-0%
48Moderate
ADPTsell 4
Adaptive Biotechnologies Corp
Katey Einterz Owen
director
$250k
9,615 shares
-11%
46Moderate
ADPTsell 5
Adaptive Biotechnologies Corp
Robert Hershberg
director
$748k
30,664 shares
-40%
50Moderate
ADPTsell 5
Adaptive Biotechnologies Corp
Peter M Neupert
director
$3.1M
124,690 shares
-49%
55Moderate
ADPTsell 5
Adaptive Biotechnologies Corp
Chad M Robins
CEO and Chairman
$15M
600,000 shares
-24%
18Weak
ADPTsell 410b5-1
Adaptive Biotechnologies Corp
Susan Bobulsky
Chief Commercial Officer, MRD
$75k
3,000 shares
-1%

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.

Francis Lo sold $3.2M of ADPT | InsiderTell