Robert I Blum Cytokinetics Inc (CYTK) insider trading activity

Robert I Blum is President & CEO of CYTOKINETICS INC. Currently has a direct ownership of 399,604 shares of CYTK, which is worth approximately $26.5 Million. The most recent transaction as insider was on Dec 22, 2025, when has been sold 2,935 shares (Common Stock) at a price of $62.72 per share, resulting in proceeds of $184,083. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 400K

10.05% 3M change

0.93% 12M change

Total Value Held $26.5 Million

Robert I Blum Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Dec 22 2025	SELL Payment of exercise price or tax liability	$184,083 $62.72 p/Share	2,935 Reduced 0.73%	399,604 Common Stock
Dec 22 2025	SELL Payment of exercise price or tax liability	$2,074,444 $68.18 p/Share	30,426 Reduced 7.51%	374,503 Common Stock
Dec 22 2025	BUY Grant, award, or other acquisition	-	11,530 Added 2.78%	402,539 Common Stock
Dec 22 2025	BUY Exercise of conversion of derivative security	$475,124 $6.67 p/Share	71,233 Added 15.41%	391,009 Common Stock
Dec 03 2025	SELL Payment of exercise price or tax liability	$385,568 $65.02 p/Share	5,930 Reduced 1.67%	350,202 Common Stock
Nov 05 2025	SELL Bona fide gift	-	2,000 Reduced 0.56%	356,108 Common Stock
Oct 30 2025	SELL Open market or private sale	$314,300 $62.86 p/Share	5,000 Reduced 1.38%	358,108 Common Stock

Oct 16 2025	SELL Open market or private sale	$300,150 $60.03 p/Share	5,000 Reduced 1.36%	363,108 Common Stock
Oct 01 2025	SELL Open market or private sale	$275,250 $55.05 p/Share	5,000 Reduced 1.34%	368,108 Common Stock
Sep 15 2025	SELL Open market or private sale	$248,850 $49.77 p/Share	5,000 Reduced 1.32%	373,108 Common Stock
Sep 02 2025	SELL Open market or private sale	$243,800 $48.76 p/Share	5,000 Reduced 1.31%	378,108 Common Stock
Aug 15 2025	SELL Open market or private sale	$192,100 $38.42 p/Share	5,000 Reduced 1.29%	383,108 Common Stock
Jul 29 2025	SELL Open market or private sale	$182,250 $36.45 p/Share	5,000 Reduced 1.27%	388,108 Common Stock
Jul 14 2025	SELL Open market or private sale	$190,750 $38.15 p/Share	5,000 Reduced 1.26%	393,108 Common Stock
Jul 01 2025	SELL Open market or private sale	$167,750 $33.55 p/Share	5,000 Reduced 1.24%	398,108 Common Stock
Jun 16 2025	SELL Open market or private sale	$169,000 $33.8 p/Share	5,000 Reduced 1.23%	403,108 Common Stock
Jun 02 2025	SELL Open market or private sale	$156,100 $31.22 p/Share	5,000 Reduced 1.21%	408,108 Common Stock
May 16 2025	SELL Open market or private sale	$154,650 $30.93 p/Share	5,000 Reduced 1.2%	412,629 Common Stock
Apr 29 2025	SELL Open market or private sale	$204,800 $40.96 p/Share	5,000 Reduced 1.18%	417,629 Common Stock
Apr 10 2025	SELL Open market or private sale	$183,850 $36.77 p/Share	5,000 Reduced 1.17%	422,629 Common Stock
Mar 31 2025	SELL Open market or private sale	$611,250 $40.75 p/Share	15,000 Reduced 3.39%	427,629 Common Stock
Mar 17 2025	SELL Open market or private sale	$561,318 $44.38 p/Share	12,648 Reduced 3.73%	326,533 Common Stock
Mar 17 2025	SELL Open market or private sale	$1,116,250 $44.65 p/Share	25,000 Reduced 6.86%	339,181 Common Stock
Mar 14 2025	BUY Grant, award, or other acquisition	-	116,096 Added 19.47%	480,277 Common Stock
Mar 06 2025	SELL Open market or private sale	$737,176 $43.44 p/Share	16,970 Reduced 4.45%	364,181 Common Stock

Also insider at

GMDA

Gamida Cell Ltd. Healthcare

Director

RIB

Robert I Blum

President & CEO

South San Francisco, CA

Institutional Portfolio Updates

Receive a notification when an Institution or Guru buys or sells CYTK shares.

Notify only if

Value

Insider Trading

Get notified when an Cytokinetics Inc insider buys or sells CYTK shares.

Notify only if

Operation

Value

Type

News

Receive news related to CYTOKINETICS INC

Track Activities on CYTK

Account