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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 20, 2025.

Warning score
22
Value
$17k
1,929 shares
Holdings after
269,581
-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 20, 2025: +183.0%SPY +33.5% · excess +149.5%

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 0001062993-25-009904, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 16, 2025SOpen-market sale
Common Stock
-1,929$8.89$17k269,581May 20, 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
ADPTsell 210b5-1
Adaptive Biotechnologies Corp
Francis Lo
Chief People Officer
$77k
4,394 shares
-1%
30Weak
ADPTsell 410b5-1
Adaptive Biotechnologies Corp
Francis Lo
Chief People Officer
$1.8M
113,890 shares
-26%
55Moderate
ADPTsell 6
Adaptive Biotechnologies Corp
Robert Hershberg
director
$367k
22,968 shares
-33%
7Weak
ADPTsell 610b5-1
Adaptive Biotechnologies Corp
Sharon Benzeno
Chief Commercial Ofc Imm Med
$212k
12,604 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