Harrington Robert Arthur

Cytokinetics, Incorporated - Common Stock · Director

Harrington Robert Arthur is listed in public filings as director. This Harrington Robert Arthur insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include Cytokinetics, Incorporated - Common Stock (CYTK). Investors use Harrington Robert Arthur's insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.

Latest Actions

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Cytokinetics, Incorporated - Common StockCYTK$332k4.3k sharesGrant / ExerciseMay 27, 2026$331.8K4.3k shares$77.15--
Cytokinetics, Incorporated - Common StockCYTK--21.8k sharesGrant / ExerciseMay 27, 2026Disclosure amount unavailable2.9k shares----

Insider Trades History

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Cytokinetics, Incorporated - Common StockCYTK$1.2M18.9k sharesGrant / ExerciseApr 15, 2026$12.5K191 shares$65.37--
Cytokinetics, Incorporated - Common StockCYTK$1.2M18.7k sharesGrant / ExerciseJan 15, 2026$12.5K197 shares$63.44--
Cytokinetics, Incorporated - Common StockCYTK$1.2M18.5k sharesSellDec 1, 2025$143.6K2.2k shares$66.80--
Cytokinetics, Incorporated - Common StockCYTK$1.3M20.7k sharesGrant / ExerciseOct 15, 2025$12.5K199 shares$62.80--
Cytokinetics, Incorporated - Common StockCYTK$997k20.5k sharesSellSep 2, 2025$104.6K2.2k shares$48.67--
Cytokinetics, Incorporated - Common StockCYTK$861k22.6k sharesGrant / ExerciseJul 15, 2025$12.5K328 shares$38.01--
Cytokinetics, Incorporated - Common StockCYTK$326k10.9k sharesGrant / ExerciseMay 14, 2025$326.4K10.9k shares$30.00--
Cytokinetics, Incorporated - Common StockCYTK--22.3k sharesGrant / ExerciseMay 14, 2025Disclosure amount unavailable7.3k shares----
Cytokinetics, Incorporated - Common StockCYTK$578k15k sharesGrant / ExerciseApr 15, 2025$12.5K324 shares$38.56--
Cytokinetics, Incorporated - Common StockCYTK$578k14.7k sharesSellApr 3, 2025$17.7K450 shares$39.43--