Skip to content
sellWeak cluster of 410b5-1 plan

Robert I Blum sold $155k of CYTK

President & CEO at CYTOKINETICS INC. 5,000 shares at an average of $30.93, traded May 16, 2025, filed May 16, 2025.

Warning score
31
Value
$155k
5,000 shares
Holdings after
412,629
-1% from before
From 52-week low
+4%
low $29.84, close $31.00
From 52-week high
-47%
high $58.62, as of May 16, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $155k at market
    +11
  • Share of holdings sold
    Sold 1.2% of holdings
    0
  • Cluster
    4 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.

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 May 16, 2025: +102.9%SPY +33.2% · excess +69.7%

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 0001127602-25-014700, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 16, 2025SOpen-market sale
Common Stock10b5-1
-5,000$30.93$155k412,629May 16, 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 410b5-1
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 410b5-1
CYTOKINETICS INC
Robert E Landry
director
$75k
1,000 shares
-10%
8Weak
CYTKsell 410b5-1
CYTOKINETICS INC
Fady Ibraham Malik
EVP Research & Development
$264k
3,500 shares
-2%
35Weak
CYTKsell 410b5-1
CYTOKINETICS INC
B Lynne Parshall
director
$357k
5,000 shares
-32%
3Weak
CYTKsell 410b5-1
CYTOKINETICS INC
Fady Ibraham Malik
EVP Research & Development
$66k
2,000 shares
-1%
31Weak
CYTKsell 410b5-1
CYTOKINETICS INC
Robert I Blum
President & CEO
$169k
5,000 shares
-1%

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 I Blum sold $155k of CYTK | InsiderTell