Skip to content
sellWeak cluster of 310b5-1 plan

Francis Lo sold $758k of ADPT

Chief People Officer at Adaptive Biotechnologies Corp. 26,792 shares at an average of $28.28, traded Oct 1, 2026, filed Oct 5, 2026.

Warning score
22
Value
$758k
26,792 shares
Holdings after
220,867
-11% from before
From 52-week low
+121%
low $12.41, close $27.37
From 52-week high
-7%
high $29.57, as of Oct 1, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $758k at market
    +22
  • Share of holdings sold
    Sold 11% of holdings
    +5
  • Cluster
    3 insiders selling within 14 days
    +15
  • 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 Oct 5, 2026: -11.2%SPY +0.5% · excess -11.7%

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 0001780660-26-000024, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Oct 1, 2026MOption exercise
Common Stock10b5-1
+8,038$8.46$68k228,9057 d ago
Oct 1, 2026MOption exercise
Common Stock10b5-1
+9,377$3.99$37k238,2827 d ago
Oct 1, 2026MOption exercise
Common Stock10b5-1
+9,377$8.12$76k247,6597 d ago
Oct 1, 2026SOpen-market sale
Common Stock10b5-1
-8,094$27.52$223k239,5657 d ago
Oct 1, 2026SOpen-market sale
Common Stock10b5-1
-18,698$28.61$535k220,8677 d ago
Oct 1, 2026MOption exercise
Stock Option (right to buy)derivative10b5-1
-8,038$0.00$016,0757 d ago
Oct 1, 2026MOption exercise
Stock Option (right to buy)derivative10b5-1
-9,377$0.00$056,2597 d ago
Oct 1, 2026MOption exercise
Stock Option (right to buy)derivative10b5-1
-9,377$0.00$093,7657 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%
25Weak
ADPTsell 310b5-1
Adaptive Biotechnologies Corp
Julie Rubinstein
President and COO
$1.0M
35,643 shares
-9%
23Weak
ADPTsell 210b5-1
Adaptive Biotechnologies Corp
Francis Lo
Chief People Officer
$3.2M
115,406 shares
-34%
8Weak
ADPTsell 210b5-1
Adaptive Biotechnologies Corp
Susan Bobulsky
Chief Commercial Officer, MRD
$32k
1,195 shares
-0%
22Weak
ADPTsell
Adaptive Biotechnologies Corp
Kyle Piskel
Chief Financial Officer
$17k
1,929 shares
-1%
0Weak
ADPTsell10b5-1
Adaptive Biotechnologies Corp
Harlan S Robins
Chief Scientific Officer
$503k
68,412 shares
-5%
0Weak
ADPTsell 410b5-1
Adaptive Biotechnologies Corp
Harlan S Robins
Chief Scientific Officer
$15k
1,698 shares
-0%
63Notable
ADPTsell 10
Adaptive Biotechnologies Corp
Michelle Renee Griffin
director
$261k
36,291 shares
-70%
23Weak
ADPTsell 10
Adaptive Biotechnologies Corp
Peter M Neupert
director
$71k
10,000 shares
-4%

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 $758k of ADPT | InsiderTell