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sellWeak cluster of 1010b5-1 plan

Michelle Renee Griffin sold $124k of ADPT

director at Adaptive Biotechnologies Corp. 15,664 shares at an average of $7.94, traded Mar 6, 2025, filed Mar 6, 2025.

Warning score
25
Value
$124k
15,664 shares
Holdings after
51,685
-23% from before
From 52-week low
+94%
low $4.00, close $7.77
From 52-week high
-9%
high $8.52, as of Mar 6, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $124k at market
    +10
  • Share of holdings sold
    Sold 23% of holdings
    +5
  • Cluster
    10 insiders selling within 14 days
    +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 -3.9%, 3m +27.0%, 6m +67.6%.

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 13, 2026 · close 25.28
Since filing Mar 6, 2025: +225.4%SPY +38.5% · excess +186.8%

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 0001062993-25-004800, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 4, 2025AGrant or award
Common Stock10b5-1
+15,394$0.00$067,349Mar 6, 2025
Mar 6, 2025SOpen-market sale
Common Stock10b5-1
-15,664$7.94$124k51,685Mar 6, 2025
Mar 4, 2025AGrant or award
Stock Option (right to buy)derivative10b5-1
+23,726$0.00$023,726Mar 6, 2025

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.

Michelle Renee Griffin sold $124k of ADPT | InsiderTell