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sellWeak cluster of 710b5-1 plan

Chad M Robins sold $2.4M of ADPT

CEO and Chairman at Adaptive Biotechnologies Corp. 285,187 shares at an average of $8.45, traded Feb 19, 2025, filed Feb 21, 2025.

Warning score
35
Value
$2.4M
285,187 shares
Holdings after
2,576,701
-10% from before
From 52-week low
+109%
low $4.00, close $8.37
From 52-week high
-2%
high $8.52, as of Feb 19, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $2.4M at market
    +25
  • Share of holdings sold
    Sold 10% of holdings
    +5
  • Cluster
    7 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 Feb 21, 2025: +220.3%SPY +32.3% · excess +188.0%

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 0001062993-25-003241, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 19, 2025MOption exercise
Common Stock10b5-1
+186,080$6.32$1.2M2,762,781Feb 21, 2025
Feb 19, 2025SOpen-market sale
Common Stock10b5-1
-186,080$8.46$1.6M2,576,701Feb 21, 2025
Feb 20, 2025MOption exercise
Common Stock10b5-1
+99,107$6.32$626k2,675,808Feb 21, 2025
Feb 20, 2025SOpen-market sale
Common Stock10b5-1
-99,107$8.44$836k2,576,701Feb 21, 2025
Feb 19, 2025MOption exercise
Stock Option (right to buy)derivative10b5-1
-186,080$0.00$099,107Feb 21, 2025
Feb 20, 2025MOption exercise
Stock Option (right to buy)derivative10b5-1
-99,107$0.00$00Feb 21, 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%
22Weak
ADPTsell
Adaptive Biotechnologies Corp
Kyle Piskel
Chief Financial Officer
$17k
1,929 shares
-1%
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%

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.

Chad M Robins sold $2.4M of ADPT | InsiderTell