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sellWeak cluster of 410b5-1 plan

Sung Lee sold $266k of CYTK

EVP, Chief Financial Officer at CYTOKINETICS INC. 3,134 shares at an average of $85.00, traded Jun 29, 2026, filed Jun 29, 2026.

Warning score
15
Value
$266k
3,134 shares
Holdings after
63,221
-5% from before
From 52-week low
+164%
low $33.04, close $87.26
From 52-week high
0%
high $87.26, as of Jun 29, 2026

Score components

  • Role
    CFO
    +22
  • Trade size
    $266k at market
    +13
  • Share of holdings sold
    Sold 4.7% of holdings
    0
  • Cluster
    4 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -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 Jun 29, 2026: -27.9%SPY +5.3% · excess -33.2%

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 0001061983-26-000070, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jun 29, 2026MOption exercise
Common Stock10b5-1
+188$44.36$8,34063,409Jun 29, 2026
Jun 29, 2026MOption exercise
Common Stock10b5-1
+822$44.36$36k64,231Jun 29, 2026
Jun 29, 2026MOption exercise
Common Stock10b5-1
+1,113$48.51$54k65,344Jun 29, 2026
Jun 29, 2026MOption exercise
Common Stock10b5-1
+188$44.36$8,34065,532Jun 29, 2026
Jun 29, 2026MOption exercise
Common Stock10b5-1
+823$44.36$37k66,355Jun 29, 2026
Jun 29, 2026SOpen-market sale
Common Stock10b5-1
-3,134$85.00$266k63,221Jun 29, 2026
Jun 29, 2026MOption exercise
Incentive Stock Option (Right to Buy)derivative10b5-1
-188$0.00$08,828Jun 29, 2026
Jun 29, 2026MOption exercise
Non-Qualified Stock Option (Right to Buy)derivative10b5-1
-822$0.00$040,504Jun 29, 2026
Jun 29, 2026MOption exercise
Non-Qualified Stock Option (Right to Buy)derivative10b5-1
-1,113$0.00$052,304Jun 29, 2026
Jun 29, 2026MOption exercise
Incentive Stock Option (Right to Buy)derivative10b5-1
-188$0.00$08,640Jun 29, 2026
Jun 29, 2026MOption exercise
Non-Qualified Stock Option (Right to Buy)derivative10b5-1
-823$0.00$039,681Jun 29, 2026

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.

Sung Lee sold $266k of CYTK | InsiderTell