Skip to content
sellModerate cluster of 310b5-1 plan

Robert I Blum sold $611k of CYTK

President & CEO at CYTOKINETICS INC. 15,000 shares at an average of $40.75, traded Mar 31, 2025, filed Mar 31, 2025.

Warning score
40
Value
$611k
15,000 shares
Holdings after
427,629
-3% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    CEO
    +25
  • Trade size
    $611k at market
    +20
  • 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.

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 Mar 31, 2025: +56.5%SPY +41.5% · excess +15.0%

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 0001127602-25-010672, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 31, 2025SOpen-market sale
Common Stock10b5-1
-15,000$40.75$611k427,629Mar 31, 2025

Related signals

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

ScoreSideCompanyInsiderValueSharesFiled
23Weaksell 310b5-1CYTK
CYTOKINETICS INC
Robert I Blum
President & CEO
$491k7,500
8Weaksell 310b5-1CYTK
CYTOKINETICS INC
Fady Ibraham Malik
EVP Research & Development
$239k3,500
40Moderatesell 410b5-1CYTK
CYTOKINETICS INC
Robert I Blum
President & CEO
$7.3M105,426
23Weaksell 410b5-1CYTK
CYTOKINETICS INC
Robert E Landry
director
$72k1,000
18Weaksell 410b5-1CYTK
CYTOKINETICS INC
Robert E Landry
director
$75k1,000
8Weaksell 410b5-1CYTK
CYTOKINETICS INC
Fady Ibraham Malik
EVP Research & Development
$264k3,500
35Weaksell 410b5-1CYTK
CYTOKINETICS INC
B Lynne Parshall
director
$357k5,000
4Weaksell 410b5-1CYTK
CYTOKINETICS INC
Fady Ibraham Malik
EVP Research & Development
$87k2,000
45Moderatesell 410b5-1CYTK
CYTOKINETICS INC
Robert I Blum
President & CEO
$1.1M25,000
59Moderatesell 4CYTK
CYTOKINETICS INC
Robert I Blum
President & CEO
$561k12,648

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 $611k of CYTK | InsiderTell