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sellWeak cluster of 410b5-1 plan

Sung Lee sold $3.2M of CYTK

EVP, Chief Financial Officer at CYTOKINETICS INC. 38,730 shares at an average of $82.30, traded Jun 24, 2026, filed Jun 29, 2026.

Warning score
37
Value
$3.2M
38,730 shares
Holdings after
63,221
-38% from before
From 52-week low
+146%
low $33.04, close $81.20
From 52-week high
0%
high $81.20, as of Jun 24, 2026

Score components

  • Role
    CFO
    +22
  • Trade size
    $3.2M at market
    +25
  • Share of holdings sold
    Sold 38% of holdings
    +10
  • 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 0001061983-26-000071, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jun 24, 2026MOption exercise
Common Stock10b5-1
+23,370$48.51$1.1M86,591Jun 29, 2026
Jun 24, 2026MOption exercise
Common Stock10b5-1
+9,307$44.36$413k95,898Jun 29, 2026
Jun 24, 2026MOption exercise
Common Stock10b5-1
+2,817$44.36$125k98,715Jun 29, 2026
Jun 24, 2026MOption exercise
Common Stock10b5-1
+1,113$48.51$54k99,828Jun 29, 2026
Jun 24, 2026MOption exercise
Common Stock10b5-1
+188$44.36$8,340100,016Jun 29, 2026
Jun 24, 2026MOption exercise
Common Stock10b5-1
+822$44.36$36k100,838Jun 29, 2026
Jun 24, 2026MOption exercise
Common Stock10b5-1
+1,113$48.51$54k101,951Jun 29, 2026
Jun 24, 2026SOpen-market sale
Common Stock10b5-1
-38,730$82.30$3.2M63,221Jun 29, 2026
Jun 24, 2026MOption exercise
Non-Qualified Stock Option (Right to Buy)derivative10b5-1
-23,370$0.00$030,047Jun 29, 2026
Jun 24, 2026MOption exercise
Non-Qualified Stock Option (Right to Buy)derivative10b5-1
-9,307$0.00$032,019Jun 29, 2026
Jun 24, 2026MOption exercise
Incentive Stock Option (Right to Buy)derivative10b5-1
-2,817$0.00$06,199Jun 29, 2026
Jun 24, 2026MOption exercise
Non-Qualified Stock Option (Right to Buy)derivative10b5-1
-1,113$0.00$028,934Jun 29, 2026
Jun 24, 2026MOption exercise
Incentive Stock Option (Right to Buy)derivative10b5-1
-188$0.00$06,011Jun 29, 2026
Jun 24, 2026MOption exercise
Non-Qualified Stock Option (Right to Buy)derivative10b5-1
-822$0.00$031,197Jun 29, 2026
Jun 24, 2026MOption exercise
Non-Qualified Stock Option (Right to Buy)derivative10b5-1
-1,113$0.00$027,821Jun 29, 2026

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.

Sung Lee sold $3.2M of CYTK | InsiderTell