About this data
What it is
When a company's officers, directors or owners of more than 10% buy or sell its stock, they must report the trade to the SEC on Form 4. This feed shows purchases and sales on the open market; stock grants, option exercises and shares withheld for tax are left out.
Who files it
The insider, usually through the company, within two business days of the trade.
How current
We collect new filings throughout the day on SEC business days.
Worth knowing
Sales are often routine: insiders sell to diversify, to pay taxes, or under a 10b5-1 plan set up months in advance. A purchase with their own money is less common, which is why many investors pay closer attention to it.

All of this comes from public filings.

Open-market trades per day, last 30 days

05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0
05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0

Purchases Sales

By trade date. Insiders have two business days to file, so the most recent days fill in later.

Latest open-market insider trades

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Showing: ticker CYTK

Latest open-market insider trades
TradedInsiderCompanyTypeSharesPriceValueFiling
Nov 9, 2026B. Lynne Parshall
Director
CYTK
Cytokinetics, Incorporated
Sale2,555$55.26$141.2K SaleForm 4 ↗
Nov 9, 2026B. Lynne Parshall
Director
CYTK
Cytokinetics, Incorporated
Sale2,445$54.17$132.4K SaleForm 4 ↗
Nov 3, 2026Fady Ibraham Malik
EVP Research & Development
CYTK
Cytokinetics, Incorporated
Sale3,500$62.93$220.3K SaleForm 4 ↗
Nov 2, 2026Robert I. Blum
President & CEO, Director
CYTK
Cytokinetics, Incorporated
Sale7,500$62.81$471.1K SaleForm 4 ↗
Oct 20, 2026Fady Ibraham Malik
EVP Research & Development
CYTK
Cytokinetics, Incorporated
Sale3,500$64.01$224.0K SaleForm 4 ↗
Sep 28, 2026Robert I. Blum
President & CEO, Director
CYTK
Cytokinetics, Incorporated
Sale7,500$65.46$490.9K SaleForm 4 ↗
Sep 22, 2026Fady Ibraham Malik
EVP Research & Development
CYTK
Cytokinetics, Incorporated
Sale3,500$68.29$239.0K SaleForm 4 ↗
Sep 15, 2026Robert E. Landry
Director
CYTK
Cytokinetics, Incorporated
Sale1,000$72.13$72.1K SaleForm 4 ↗
Sep 15, 2026Robert I. Blum
President & CEO, Director
CYTK
Cytokinetics, Incorporated
Sale97,926$69.33$6.8M SaleForm 4 ↗
Sep 14, 2026Robert I. Blum
President & CEO, Director
CYTK
Cytokinetics, Incorporated
Sale7,500$73.44$550.8K SaleForm 4 ↗
Sep 11, 2026Robert E. Landry
Director
CYTK
Cytokinetics, Incorporated
Sale1,000$74.66$74.7K SaleForm 4 ↗
Sep 8, 2026Fady Ibraham Malik
EVP Research & Development
CYTK
Cytokinetics, Incorporated
Sale3,500$75.46$264.1K SaleForm 4 ↗
Sep 1, 2026B. Lynne Parshall
Director
CYTK
Cytokinetics, Incorporated
Sale5,000$71.48$357.4K SaleForm 4 ↗
Aug 31, 2026Andrew Callos
EVP, Chief Commercial Officer
CYTK
Cytokinetics, Incorporated
Sale10,000$70.24$702.4K SaleForm 4 ↗
Aug 31, 2026Robert I. Blum
President & CEO, Director
CYTK
Cytokinetics, Incorporated
Sale7,500$70.24$526.8K SaleForm 4 ↗
Aug 18, 2026Fady Ibraham Malik
EVP Research & Development
CYTK
Cytokinetics, Incorporated
Sale3,500$75.82$265.4K SaleForm 4 ↗
Aug 10, 2026Robert I. Blum
President & CEO, Director
CYTK
Cytokinetics, Incorporated
Sale7,500$76.76$575.7K SaleForm 4 ↗
Jul 30, 2026Andrew Callos
EVP, Chief Commercial Officer
CYTK
Cytokinetics, Incorporated
Sale14,000$79.88$1.1M SaleForm 4 ↗
Jul 27, 2026Robert I. Blum
President & CEO, Director
CYTK
Cytokinetics, Incorporated
Sale7,500$80.87$606.5K SaleForm 4 ↗
Jul 21, 2026Fady Ibraham Malik
EVP Research & Development
CYTK
Cytokinetics, Incorporated
Sale3,500$80.59$282.1K SaleForm 4 ↗
Jul 13, 2026Robert I. Blum
President & CEO, Director
CYTK
Cytokinetics, Incorporated
Sale7,490$82.02$614.3K SaleForm 4 ↗
Jul 13, 2026Robert I. Blum
President & CEO, Director
CYTK
Cytokinetics, Incorporated
Sale10$82.02$820 SaleForm 4 ↗
Jul 7, 2026Fady Ibraham Malik
EVP Research & Development
CYTK
Cytokinetics, Incorporated
Sale3,500$86.62$303.2K SaleForm 4 ↗
Jul 1, 2026Robert I. Blum
President & CEO, Director
CYTK
Cytokinetics, Incorporated
Sale7,500$84.92$636.9K SaleForm 4 ↗
Jul 1, 2026Andrew Callos
EVP, Chief Commercial Officer
CYTK
Cytokinetics, Incorporated
Sale15,000$85.80$1.3M SaleForm 4 ↗
Jul 1, 2026Sung Lee
EVP, Chief Financial Officer
CYTK
Cytokinetics, Incorporated
Sale1,112$87.79$97.6K SaleForm 4 ↗
Jun 29, 2026Sung Lee
EVP, Chief Financial Officer
CYTK
Cytokinetics, Incorporated
Sale3,134$85.00$266.4K SaleForm 4 ↗
Jun 24, 2026Sung Lee
EVP, Chief Financial Officer
CYTK
Cytokinetics, Incorporated
Sale38,730$82.30$3.2M SaleForm 4 ↗
Jun 23, 2026Fady Ibraham Malik
EVP Research & Development
CYTK
Cytokinetics, Incorporated
Sale3,500$79.51$278.3K SaleForm 4 ↗
Jun 15, 2026Robert I. Blum
President & CEO, Director
CYTK
Cytokinetics, Incorporated
Sale7,500$70.46$528.5K SaleForm 4 ↗
Jun 9, 2026Fady Ibraham Malik
EVP Research & Development
CYTK
Cytokinetics, Incorporated
Sale3,500$67.98$237.9K SaleForm 4 ↗
Jun 1, 2026Edward M. Kaye MD
Director
CYTK
Cytokinetics, Incorporated
Sale2,933$76.09$223.2K SaleForm 4 ↗
Jun 1, 2026Andrew Callos
EVP, Chief Commercial Officer
CYTK
Cytokinetics, Incorporated
Sale15,000$74.08$1.1M SaleForm 4 ↗
Jun 1, 2026B. Lynne Parshall
Director
CYTK
Cytokinetics, Incorporated
Sale5,000$74.08$370.4K SaleForm 4 ↗
May 27, 2026Robert I. Blum
President & CEO, Director
CYTK
Cytokinetics, Incorporated
Sale7,500$77.21$579.1K SaleForm 4 ↗
May 19, 2026Fady Ibraham Malik
EVP Research & Development
CYTK
Cytokinetics, Incorporated
Sale3,500$75.69$264.9K SaleForm 4 ↗
May 14, 2026Robert I. Blum
President & CEO, Director
CYTK
Cytokinetics, Incorporated
Sale7,500$77.92$584.4K SaleForm 4 ↗
May 5, 2026Fady Ibraham Malik
EVP Research & Development
CYTK
Cytokinetics, Incorporated
Sale3,500$77.37$270.8K SaleForm 4 ↗
May 5, 2026Wendell Wierenga
Director
CYTK
Cytokinetics, Incorporated
Sale4,032$75.00$302.4K SaleForm 4 ↗
May 5, 2026Sung Lee
EVP, Chief Financial Officer
CYTK
Cytokinetics, Incorporated
Sale23,906$76.87$1.8M SaleForm 4 ↗
May 5, 2026John T. Henderson
Director
CYTK
Cytokinetics, Incorporated
Sale20,000$75.97$1.5M SaleForm 4 ↗
May 5, 2026Andrew Callos
EVP, Chief Commercial Officer
CYTK
Cytokinetics, Incorporated
Sale11,333$77.25$875.5K SaleForm 4 ↗
May 1, 2026Andrew Callos
EVP, Chief Commercial Officer
CYTK
Cytokinetics, Incorporated
Sale15,857$65.00$1.0M SaleForm 4 ↗
Apr 30, 2026Andrew Callos
EVP, Chief Commercial Officer
CYTK
Cytokinetics, Incorporated
Sale15,000$63.26$948.9K SaleForm 4 ↗
Apr 29, 2026Robert I. Blum
President & CEO, Director
CYTK
Cytokinetics, Incorporated
Sale7,500$59.62$447.1K SaleForm 4 ↗
Apr 21, 2026Fady Ibraham Malik
EVP Research & Development
CYTK
Cytokinetics, Incorporated
Sale3,500$65.69$229.9K SaleForm 4 ↗
Apr 15, 2026Andrew Callos
EVP, Chief Commercial Officer
CYTK
Cytokinetics, Incorporated
Sale7,449$66.02$491.8K SaleForm 4 ↗
Apr 15, 2026Robert I. Blum
President & CEO, Director
CYTK
Cytokinetics, Incorporated
Sale7,500$65.38$490.4K SaleForm 4 ↗
Apr 7, 2026Fady Ibraham Malik
EVP Research & Development
CYTK
Cytokinetics, Incorporated
Sale1,000$64.75$64.8K SaleForm 4 ↗
Apr 7, 2026Fady Ibraham Malik
EVP Research & Development
CYTK
Cytokinetics, Incorporated
Sale3,500$65.21$228.2K SaleForm 4 ↗

The newest 50 items, most recent first. Every row links to its original filing. Updated Nov 15, 2026, 6:24 PM EST.

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