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sellWeak cluster of 310b5-1 plan

Andrew Callos sold $113k of CYTK

EVP, Chief Commercial Officer at CYTOKINETICS INC. 1,809 shares at an average of $62.44, traded Dec 29, 2025, filed Dec 30, 2025.

Warning score
20
Value
$113k
1,809 shares
Holdings after
51,353
-3% from before
From 52-week low
+107%
low $29.84, close $61.75
From 52-week high
-9%
high $68.15, as of Dec 29, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $113k at market
    +10
  • Share of holdings sold
    Sold 3.4% of holdings
    0
  • Cluster
    3 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 +6.9%, 3m +7.4%, 6m +38.8%.

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.

CYTKOct 13, 2026 · close 61.62
Since filing Dec 30, 2025: +0.4%SPY +14.1% · excess -13.7%

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 0001061983-25-000057, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 29, 2025SOpen-market sale
Common Stock10b5-1
-1,809$62.44$113k51,353Dec 30, 2025

Related signals

Other insiders at CYTOKINETICS INC and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
Pro nowfree Oct 20, 2026
CYTKsell 210b5-1
CYTOKINETICS INC
Robert I Blum
President & CEO
$472k
7,500 shares
-3%
0Weak
CYTKsell 210b5-1
CYTOKINETICS INC
Fady Ibraham Malik
EVP Research & Development
$215k
3,500 shares
-2%
23Weak
CYTKsell 310b5-1
CYTOKINETICS INC
Robert I Blum
President & CEO
$491k
7,500 shares
-3%
8Weak
CYTKsell 310b5-1
CYTOKINETICS INC
Fady Ibraham Malik
EVP Research & Development
$239k
3,500 shares
-2%
40Moderate
CYTKsell 510b5-1
CYTOKINETICS INC
Robert I Blum
President & CEO
$7.3M
105,426 shares
-27%
23Weak
CYTKsell 410b5-1
CYTOKINETICS INC
Robert E Landry
director
$72k
1,000 shares
-11%
18Weak
CYTKsell 510b5-1
CYTOKINETICS INC
Robert E Landry
director
$75k
1,000 shares
-10%
8Weak
CYTKsell 510b5-1
CYTOKINETICS INC
Fady Ibraham Malik
EVP Research & Development
$264k
3,500 shares
-2%
35Weak
CYTKsell 510b5-1
CYTOKINETICS INC
B Lynne Parshall
director
$357k
5,000 shares
-32%
23Weak
CYTKsell 510b5-1
CYTOKINETICS INC
Robert I Blum
President & CEO
$527k
7,500 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.

Andrew Callos sold $113k of CYTK | InsiderTell