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sellWeak cluster of 2

Nadir Mahmood sold $12k of NKTX

President at Nkarta, Inc.. 5,649 shares at an average of $2.07, traded Jan 15, 2026, filed Jan 20, 2026.

Warning score
28
Value
$12k
5,649 shares
Holdings after
167,727
-3% from before
From 52-week low
+43%
low $1.37, close $1.96
From 52-week high
-25%
high $2.63, as of Jan 15, 2026

Score components

  • Role
    President
    +20
  • Trade size
    $12k at market
    0
  • Share of holdings sold
    Sold 3.3% of holdings
    0
  • Cluster
    2 insiders selling within 14 days
    +8

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 +15.7%, 3m +62.7%, 6m +26.5%.

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.

NKTXOct 9, 2026 · close 2.25
Since filing Jan 20, 2026: +10.3%SPY +15.7% · excess -5.4%

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 0001193125-26-016862, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jan 15, 2026SOpen-market sale
Common Stock
-5,649$2.07$12k167,727Jan 20, 2026

Related signals

Other insiders at Nkarta, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
25Weak
NKTXsell
Nkarta, Inc.
Paul J Hastings
Chief Executive Officer
$4,813
1,776 shares
-0%
40Moderate
NKTXsell 2
Nkarta, Inc.
Paul J Hastings
Chief Executive Officer
$54k
26,046 shares
-6%
25Weak
NKTXsell
Nkarta, Inc.
Paul J Hastings
Chief Executive Officer
$3,204
1,790 shares
-1%
30Weak
NKTXsell 3
Nkarta, Inc.
Ralph Brandenberger
Chief Technical Officer
$16k
7,447 shares
-6%
46Moderate
NKTXsell 3
Nkarta, Inc.
Paul J Hastings
Chief Executive Officer
$38k
17,378 shares
-5%
30Weak
NKTXsell 3
Nkarta, Inc.
Alicia J. Hager
Chief Legal Officer
$21k
9,584 shares
-6%
52Moderate
NKTXbuy
Nkarta, Inc.
Simeon George
director
$20M
2,000,000 shares
-
0Weak
NKTXsell10b5-1
Nkarta, Inc.
Ralph Brandenberger
Chief Technical Officer
$105k
8,367 shares
-9%
23Weak
NKTXsell 2
Nkarta, Inc.
Ralph Brandenberger
Chief Technical Officer
$22k
2,512 shares
-3%
42Moderate
NKTXsell 2
Nkarta, Inc.
Paul J Hastings
Chief Executive Officer
$85k
9,697 shares
-2%

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.

Nadir Mahmood sold $12k of NKTX | InsiderTell