Skip to content
sellWeak cluster of 310b5-1 plan

Francis Lo sold $77k of ADPT

Chief People Officer at Adaptive Biotechnologies Corp. 4,394 shares at an average of $17.50, traded Dec 22, 2025, filed Dec 29, 2025.

Warning score
3
Value
$77k
4,394 shares
Holdings after
315,978
-1% from before
From 52-week low
+190%
low $5.99, close $17.41
From 52-week high
-15%
high $20.46, as of Dec 22, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $77k at market
    +8
  • Share of holdings sold
    Sold 1.4% of holdings
    0
  • 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 Dec 29, 2025: +59.1%SPY +14.1% · excess +45.0%

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 0001780660-25-000003, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 22, 2025MOption exercise
Common Stock10b5-1
+1,100$7.80$8,580317,078Dec 29, 2025
Dec 22, 2025MOption exercise
Common Stock10b5-1
+2,194$8.46$19k319,272Dec 29, 2025
Dec 22, 2025MOption exercise
Common Stock10b5-1
+1,100$3.99$4,389320,372Dec 29, 2025
Dec 22, 2025SOpen-market sale
Common Stock10b5-1
-4,394$17.50$77k315,978Dec 29, 2025
Dec 22, 2025MOption exercise
Stock Option (right to buy)derivative10b5-1
-1,100$0.00$0112,150Dec 29, 2025
Dec 22, 2025MOption exercise
Stock Option (right to buy)derivative10b5-1
-2,194$0.00$0106,982Dec 29, 2025
Dec 22, 2025MOption exercise
Stock Option (right to buy)derivative10b5-1
-1,100$0.00$0109,075Dec 29, 2025

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%
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%
12Weak
ADPTsell10b5-1
Adaptive Biotechnologies Corp
Julie Rubinstein
President and COO
$751k
57,180 shares
-12%
27Weak
ADPTsell 810b5-1
Adaptive Biotechnologies Corp
Julie Rubinstein
President and COO
$802k
57,180 shares
-12%
27Weak
ADPTsell 810b5-1
Adaptive Biotechnologies Corp
Julie Rubinstein
President and COO
$770k
57,180 shares
-11%
27Weak
ADPTsell 810b5-1
Adaptive Biotechnologies Corp
Julie Rubinstein
President and COO
$762k
57,180 shares
-11%

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 $77k of ADPT | InsiderTell