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sellModerate cluster of 4

Christopher Horan sold $116k of ARTV

Chief Tech Operations Officer at Artiva Biotherapeutics, Inc.. 10,366 shares at an average of $11.16, traded Sep 3, 2026, filed Sep 4, 2026.

Warning score
40
Value
$116k
10,366 shares
Holdings after
283,084
-4% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Officer
    +15
  • Trade size
    $116k at market
    +10
  • Share of holdings sold
    Sold 3.5% of holdings
    0
  • Cluster
    4 insiders selling within 14 days
    +15

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.

ARTVOct 9, 2026 · close 6.94
Since filing Sep 4, 2026: -38.0%SPY +1.3% · excess -39.3%

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 0001193125-26-383625, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 3, 2026SOpen-market sale
Common Stock
-10,366$11.16$116k283,08438 d ago

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
31Weak
ARTVsell 410b5-1
Artiva Biotherapeutics, Inc.
Fred Aslan
Chief Executive Officer
$169k
23,463 shares
-2%
56Moderate
ARTVsell 4
Artiva Biotherapeutics, Inc.
Fred Aslan
Chief Executive Officer
$422k
61,696 shares
-4%
30Weak
ARTVsell 4
Artiva Biotherapeutics, Inc.
Subhashis Banerjee
Chief Medical Officer
$7,514
1,099 shares
-1%
42Moderate
ARTVsell 4
Artiva Biotherapeutics, Inc.
Jennifer Bush
COO, CLO, Compliance Officer
$57k
8,370 shares
-2%
38Weak
ARTVsell 4
Artiva Biotherapeutics, Inc.
Christopher Horan
Chief Tech Operations Officer
$71k
10,340 shares
-3%
33Weak
ARTVsell 410b5-1
Artiva Biotherapeutics, Inc.
Fred Aslan
Chief Executive Officer
$256k
23,429 shares
-2%
61Notable
ARTVsell 4
Artiva Biotherapeutics, Inc.
Fred Aslan
Chief Executive Officer
$690k
61,888 shares
-4%
30Weak
ARTVsell 4
Artiva Biotherapeutics, Inc.
Subhashis Banerjee
Chief Medical Officer
$12k
1,100 shares
-1%
45Moderate
ARTVsell 4
Artiva Biotherapeutics, Inc.
Jennifer Bush
COO, CLO, Compliance Officer
$94k
8,391 shares
-2%
13Weak
ARTVsell10b5-1
Artiva Biotherapeutics, Inc.
Fred Aslan
President and CEO
$70k
25,500 shares
-6%

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.

Christopher Horan sold $116k of ARTV | InsiderTell