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sellWeak cluster of 410b5-1 plan

Francis Lo sold $50k of ADPT

Chief People Officer at Adaptive Biotechnologies Corp. 3,125 shares at an average of $16.08, traded Jan 2, 2026, filed Jan 6, 2026.

Warning score
2
Value
$50k
3,125 shares
Holdings after
315,978
-1% from before
From 52-week low
+162%
low $6.07, close $15.91
From 52-week high
-22%
high $20.46, as of Jan 2, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $50k at market
    +7
  • Share of holdings sold
    Sold 1.0% of holdings
    0
  • Cluster
    4 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.

This signal so far: 1m +2.2%, 3m -14.9%, 6m +29.2%.

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 Jan 6, 2026: +64.4%SPY +13.4% · excess +51.1%

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 0001780660-26-000001, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jan 2, 2026MOption exercise
Common Stock10b5-1
+3,125$3.99$12k319,103Jan 6, 2026
Jan 2, 2026SOpen-market sale
Common Stock10b5-1
-3,125$16.08$50k315,978Jan 6, 2026
Jan 2, 2026MOption exercise
Stock Option (right to buy)derivative10b5-1
-3,125$0.00$0104,856Jan 6, 2026

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
Pro nowfree Oct 20, 2026
ADPTsell 310b5-1
Adaptive Biotechnologies Corp
Julie Rubinstein
President and COO
$920k
35,643 shares
-9%
Pro nowfree Oct 15, 2026
ADPTsell 310b5-1
Adaptive Biotechnologies Corp
Julie Rubinstein
President and COO
$948k
35,643 shares
-9%
Pro nowfree Oct 15, 2026
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%
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%

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 $50k of ADPT | InsiderTell