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sellWeak cluster of 510b5-1 plan

Robert Arthur Harrington sold $18k of CYTK

director at CYTOKINETICS INC. 450 shares at an average of $39.43, traded Apr 3, 2025, filed Apr 4, 2025.

Warning score
10
Value
$18k
450 shares
Holdings after
14,658
-3% from before
From 52-week low
+8%
low $37.50, close $40.52
From 52-week high
-31%
high $58.62, as of Apr 3, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $18k at market
    0
  • Share of holdings sold
    Sold 3.0% of holdings
    0
  • Cluster
    5 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 -0.0%, 3m -7.2%, 6m +52.5%.

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.

CYTKOct 9, 2026 · close 62.91
Since filing Apr 4, 2025: +68.4%SPY +56.5% · excess +11.8%

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 0001127602-25-011689, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Apr 3, 2025SOpen-market sale
Common Stock10b5-1
-450$39.43$18k14,658Apr 4, 2025

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
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%
21Weak
CYTKsell 510b5-1
CYTOKINETICS INC
Andrew Callos
EVP, Chief Commercial Officer
$702k
10,000 shares
-15%

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.

Robert Arthur Harrington sold $18k of CYTK | InsiderTell