Wendell Wierenga Cytokinetics Inc (CYTK) insider trading activity

Wendell Wierenga is Director of CYTOKINETICS INC. Currently has a direct ownership of 32,444 shares of CYTK, which is worth approximately $2.16 Million. The most recent transaction as insider was on Dec 22, 2025, when has been sold 20,000 shares (Common Stock) at a price of $66.14 per share, resulting in proceeds of $1,322,800. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 32.4K

n/a 3M change

n/a 12M change

Total Value Held $2.16 Million

WENDELL WIERENGA Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Dec 22 2025	SELL Open market or private sale	$1,322,800 $66.14 p/Share	20,000 Reduced 38.14%	32,444 Common Stock
Dec 22 2025	BUY Exercise of conversion of derivative security	$152,200 $7.61 p/Share	20,000 Added 27.61%	52,444 Common Stock
Oct 27 2025	SELL Open market or private sale	$256,725 $58.68 p/Share	4,375 Reduced 11.88%	32,444 Common Stock
Oct 27 2025	BUY Exercise of conversion of derivative security	$43,750 $10.0 p/Share	4,375 Added 10.62%	36,819 Common Stock
Oct 15 2025	BUY Grant, award, or other acquisition	$6,217 $62.8 p/Share	99 Added 0.3%	32,444 Common Stock

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