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sellWeak

Kyle Piskel sold $17k of ADPT

Chief Financial Officer at Adaptive Biotechnologies Corp. 1,929 shares at an average of $8.89, traded May 16, 2025, filed May 19, 2025.

Warning score
22
Value
$17k
1,929 shares
Holdings after
277,396
-1% from before
From 52-week low
+126%
low $4.00, close $9.05
From 52-week high
-10%
high $10.03, as of May 16, 2025

Score components

  • Role
    CFO
    +22
  • Trade size
    $17k at market
    0
  • Share of holdings sold
    Sold 0.7% of holdings
    0
  • Cluster
    No other insider selling within 14 days
    0

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 May 19, 2025: +187.9%SPY +33.1% · excess +154.9%

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 0001062993-25-009837, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 15, 2025AGrant or award
Common Stock
+7,815$0.00$0279,325May 19, 2025
May 16, 2025SOpen-market sale
Common Stock
-1,929$8.89$17k277,396May 19, 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%
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.

Kyle Piskel sold $17k of ADPT | InsiderTell