United States Biotechnology & Medical Research

Cytokinetics Inc (CYTK)

Track

Over the past 90 days, Cytokinetics Inc. insiders have engaged in 37 transactions, resulting in a net sell value of approximately $18.99 million. Key executives, including the CEO and CFO, have consistently sold shares. These transactions occur amid a 35.3% stock price increase over the last quarter, following the company's most recent earnings report.
Ticker: CYTK Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Cytokinetics Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Sale 30 Jul 2026
Value US$139,809.97 | Price 368.69 | Shares 60,836 (+48.6%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-07-30 2026-07-30 S Sale
2.9
Callos Andrew

EVP, Chief Commercial Officer

Officer
60,836 +48.6%
368.69
US$139,810 		60,836 +48.6% 368.69 US$139,810
2026-07-30 2026-07-30 PrS Proposed sale
2.9
ANDREW CALLOS

Officer

Officer
33,435
310.25
US$1,249,179 		33,435 310.25 US$1,249,179
2026-07-27 2026-07-27 S Sale
2.7
Blum Robert I

President & CEO

Executive Director
64,043 +2.6%
333.37
US$2,364,175 		64,043 +2.6% 333.37 US$2,364,175
2026-07-23 2026-07-21 S Sale
3.6
Malik Fady Ibraham

EVP Research & Development

Officer
1,000 -2.2%
80.59
US$100,000 		1,000 -2.2% 80.59 US$100,000
2026-07-14 2026-07-13 S Sale
2.7
Blum Robert I

President & CEO

Executive Director
1,000 -1.9%
82.02
US$100,000 		1,000 -1.9% 82.02 US$100,000
2026-07-14 2026-07-13 S Sale
2.7
Blum Robert I

President & CEO

Executive Director
1,000 -0.0%
82.02
US$100,000 		1,000 -0.0% 82.02 US$100,000
2026-07-07 2026-07-07 S Sale
3.6
Malik Fady Ibraham

EVP Research & Development

Officer
3,500 -2.2%
86.62
US$303,170 		3,500 -2.2% 86.62 US$303,170
2026-07-07 2026-07-07 S Sale
3.6
Malik Fady Ibraham

EVP Research & Development

Officer
3,500 -2.2%
86.62
US$303,170 		3,500 -2.2% 86.62 US$303,170
2026-07-07 2026-07-07 PrS Proposed sale
3.6
FADY MALIK

Officer

Officer
24,500
85.57
US$2,096,465 		24,500 85.57 US$2,096,465
2026-07-02 2026-07-01 S Sale
2.7
Blum Robert I

President & CEO

Executive Director
7,500 -1.9%
84.92
US$636,900 		7,500 -1.9% 84.92 US$636,900
2026-07-02 2026-07-01 S Sale
2.9
Callos Andrew

EVP, Chief Commercial Officer

Officer
15,000 -20.4%
85.80
US$1,287,000 		15,000 -20.4% 85.80 US$1,287,000
2026-07-02 2026-07-01 S Sale
2.1
Lee Sung

EVP, Chief Financial Officer

Officer
1,112 -1.7%
87.79
US$97,622 		1,112 -1.7% 87.79 US$97,622
2026-07-01 2026-07-01 PrS Proposed sale
2.7
ROBERT BLUM

Director; Officer

Executive Director
52,500
85.19
US$4,472,475 		52,500 85.19 US$4,472,475
2026-06-29 2026-06-29 S Sale
2.1
Lee Sung

EVP, Chief Financial Officer

Officer
3,134 -4.7%
85.00
US$266,390 		3,134 -4.7% 85.00 US$266,390
2026-06-29 2026-06-29 PrS Proposed sale
2.1
Sung Lee

Officer

Officer
9,503
82.19
US$781,052 		9,503 82.19 US$781,052
2026-06-26 2026-06-26 PrS Proposed sale
2.1
Sung Lee

Officer

Officer
6,695
80.80
US$540,956 		6,695 80.80 US$540,956
2026-06-29 2026-06-24 S Sale
2.1
Lee Sung

EVP, Chief Financial Officer

Officer
38,730 -38.0%
82.30
US$3,187,479 		38,730 -38.0% 82.30 US$3,187,479
2026-06-24 2026-06-24 PrS Proposed sale
2.1
Sung Lee

Officer

Officer
38,730
80.01
US$3,098,787 		38,730 80.01 US$3,098,787
2026-06-23 2026-06-23 S Sale
3.6
Malik Fady Ibraham

EVP Research & Development

Officer
3,500 -2.2%
79.51
US$278,285 		3,500 -2.2% 79.51 US$278,285
2026-06-15 2026-06-15 S Sale
2.7
Blum Robert I

President & CEO

Executive Director
7,500 -1.9%
70.46
US$528,450 		7,500 -1.9% 70.46 US$528,450
2026-06-09 2026-06-09 S Sale
3.6
Malik Fady Ibraham

EVP Research & Development

Officer
3,500 -2.2%
67.98
US$237,930 		3,500 -2.2% 67.98 US$237,930
2026-06-01 2026-06-01 S Sale
2.8
Kaye Edward M. MD
Non-Executive Director
2,933 -22.2%
76.09
US$223,172 		2,933 -22.2% 76.09 US$223,172
2026-06-01 2026-06-01 S Sale
2.9
Callos Andrew

EVP, Chief Commercial Officer

Officer
15,000 -20.4%
74.08
US$1,111,200 		15,000 -20.4% 74.08 US$1,111,200
2026-06-01 2026-06-01 S Sale
3.8
PARSHALL B LYNNE
Non-Executive Director
5,000 -24.1%
74.08
US$370,400 		5,000 -24.1% 74.08 US$370,400
2026-06-01 2026-06-01 PrS Proposed sale
2.8
EDWARD KAYE

Director

Non-Executive Director
2,933
76.76
US$225,137 		2,933 76.76 US$225,137
2026-05-28 2026-05-27 S Sale
2.7
Blum Robert I

President & CEO

Executive Director
7,500 -1.9%
77.21
US$579,075 		7,500 -1.9% 77.21 US$579,075
2026-05-20 2026-05-19 S Sale
3.6
Malik Fady Ibraham

EVP Research & Development

Officer
3,500 -2.2%
75.69
US$264,915 		3,500 -2.2% 75.69 US$264,915
2026-05-14 2026-05-14 S Sale
2.7
Blum Robert I

President & CEO

Executive Director
7,500 -1.8%
77.92
US$584,400 		7,500 -1.8% 77.92 US$584,400
2026-05-05 2026-05-05 S Sale
3.6
Malik Fady Ibraham

EVP Research & Development

Officer
3,500 -2.2%
77.37
US$270,795 		3,500 -2.2% 77.37 US$270,795
2026-05-05 2026-05-05 PrS Proposed sale
2.8
WENDELL WIERENGA

Director

Non-Executive Director
4,032
66.05
US$266,314 		4,032 66.05 US$266,314
2026-05-05 2026-05-05 PrS Proposed sale
3.7
JOHN HENDERSON

Director

Non-Executive Director
20,000
66.05
US$1,321,000 		20,000 66.05 US$1,321,000
2026-05-05 2026-05-05 PrS Proposed sale
2.1
SUNG LEE

Officer

Officer
23,906
66.05
US$1,578,991 		23,906 66.05 US$1,578,991
2026-05-05 2026-05-05 S Sale
2.8
WIERENGA WENDELL
Non-Executive Director
4,032 -11.0%
75.00
US$302,400 		4,032 -11.0% 75.00 US$302,400
2026-05-05 2026-05-05 S Sale
2.1
Lee Sung

EVP, Chief Financial Officer

Officer
23,906 -27.4%
76.87
US$1,837,654 		23,906 -27.4% 76.87 US$1,837,654
2026-05-05 2026-05-05 S Sale
3.7
HENDERSON JOHN T
Non-Executive Director
20,000 -21.0%
75.97
US$1,519,400 		20,000 -21.0% 75.97 US$1,519,400
2026-05-05 2026-05-05 S Sale
2.9
Callos Andrew

EVP, Chief Commercial Officer

Officer
11,333 -16.2%
77.25
US$875,474 		11,333 -16.2% 77.25 US$875,474
2026-05-04 2026-05-01 S Sale
2.9
Callos Andrew

EVP, Chief Commercial Officer

Officer
15,857 -21.3%
65.00
US$1,030,705 		15,857 -21.3% 65.00 US$1,030,705
2026-04-30 2026-04-30 S Sale
2.9
Callos Andrew

EVP, Chief Commercial Officer

Officer
15,000 -20.4%
63.26
US$948,900 		15,000 -20.4% 63.26 US$948,900
2026-04-29 2026-04-29 S Sale
2.7
Blum Robert I

President & CEO

Executive Director
7,500 -1.8%
59.62
US$447,150 		7,500 -1.8% 59.62 US$447,150
2026-04-21 2026-04-21 S Sale
3.6
Malik Fady Ibraham

EVP Research & Development

Officer
3,500 -2.2%
65.69
US$229,915 		3,500 -2.2% 65.69 US$229,915
2026-04-15 2026-04-15 S Sale
2.9
Callos Andrew

EVP, Chief Commercial Officer

Officer
7,449 -11.3%
66.02
US$491,783 		7,449 -11.3% 66.02 US$491,783
2026-04-15 2026-04-15 S Sale
2.7
Blum Robert I

President & CEO

Executive Director
7,500 -1.8%
65.38
US$490,350 		7,500 -1.8% 65.38 US$490,350
2026-04-15 2026-04-15 PrS Proposed sale
2.9
ANDREW CALLOS

Officer

Officer
79,639
66.35
US$5,284,048 		79,639 66.35 US$5,284,048
2026-04-08 2026-04-07 S Sale
3.6
Malik Fady Ibraham

EVP Research & Development

Officer
1,000 -0.6%
64.75
US$64,750 		1,000 -0.6% 64.75 US$64,750
2026-04-08 2026-04-07 S Sale
3.6
Malik Fady Ibraham

EVP Research & Development

Officer
3,500 -2.2%
65.21
US$228,235 		3,500 -2.2% 65.21 US$228,235
2026-04-07 2026-04-07 PrS Proposed sale
3.6
FADY MALIK

Officer

Officer
22,000
64.94
US$1,428,680 		22,000 64.94 US$1,428,680
2026-04-01 2026-04-01 S Sale
2.7
Blum Robert I

President & CEO

Executive Director
7,500 -1.7%
66.63
US$499,725 		7,500 -1.7% 66.63 US$499,725
2026-04-01 2026-04-01 PrS Proposed sale
2.7
ROBERT BLUM

Director; Officer

Executive Director
45,000
65.91
US$2,965,950 		45,000 65.91 US$2,965,950
2026-03-31 2026-03-31 S Sale
2.9
Callos Andrew

EVP, Chief Commercial Officer

Officer
3,639 -5.2%
65.00
US$236,535 		3,639 -5.2% 65.00 US$236,535
2026-03-31 2026-03-31 PrS Proposed sale
2.9
ANDREW CALLOS

Officer

Officer
3,639
62.97
US$229,148 		3,639 62.97 US$229,148
2026-03-18 2026-03-18 S Sale
2.9
Callos Andrew

EVP, Chief Commercial Officer

Officer
1,930 -2.4%
62.07
US$119,795 		1,930 -2.4% 62.07 US$119,795
2026-03-18 2026-03-18 PrS Proposed sale
2.9
ANDREW CALLOS

Officer

Officer
1,930
62.13
US$119,911 		1,930 62.13 US$119,911
2026-03-18 2026-03-17 S Sale
2.1
Lee Sung

EVP, Chief Financial Officer

Officer
4,935 -5.4%
62.15
US$306,710 		4,935 -5.4% 62.15 US$306,710
2026-03-18 2026-03-17 S Sale
2.9
Callos Andrew

EVP, Chief Commercial Officer

Officer
2,916 -3.9%
62.15
US$181,229 		2,916 -3.9% 62.15 US$181,229
2026-03-18 2026-03-17 S Sale
2.9
Callos Andrew

EVP, Chief Commercial Officer

Officer
5,626 -7.0%
62.15
US$349,656 		5,626 -7.0% 62.15 US$349,656
2026-03-18 2026-03-17 S Sale
3.6
Malik Fady Ibraham

EVP Research & Development

Officer
4,397 -2.8%
62.15
US$273,274 		4,397 -2.8% 62.15 US$273,274
2026-03-18 2026-03-17 S Sale
3.6
Malik Fady Ibraham

EVP Research & Development

Officer
7,636 -4.6%
62.15
US$474,577 		7,636 -4.6% 62.15 US$474,577
2026-03-18 2026-03-17 S Sale
2.7
Blum Robert I

President & CEO

Executive Director
23,928 -5.3%
62.15
US$1,487,125 		23,928 -5.3% 62.15 US$1,487,125
2026-03-18 2026-03-17 S Sale
2.7
Blum Robert I

President & CEO

Executive Director
12,673 -2.7%
62.15
US$787,627 		12,673 -2.7% 62.15 US$787,627
2026-03-16 2026-03-16 S Sale
2.9
Callos Andrew

EVP, Chief Commercial Officer

Officer
1,709 -3.6%
61.03
US$104,300 		1,709 -3.6% 61.03 US$104,300
2026-03-16 2026-03-16 PrS Proposed sale
2.9
ANDREW CALLOS

Officer

Officer
1,709
60.06
US$102,643 		1,709 60.06 US$102,643
2026-03-10 2026-03-09 S Sale
2.9
Callos Andrew

EVP, Chief Commercial Officer

Officer
2,582 -5.1%
60.72
US$156,779 		2,582 -5.1% 60.72 US$156,779
2026-03-10 2026-03-09 S Sale
2.7
Blum Robert I

President & CEO

Executive Director
7,931 -2.0%
60.72
US$481,570 		7,931 -2.0% 60.72 US$481,570
2026-03-10 2026-03-09 S Sale
3.6
Malik Fady Ibraham

EVP Research & Development

Officer
2,907 -2.1%
60.72
US$176,513 		2,907 -2.1% 60.72 US$176,513
2026-03-05 2026-03-05 S Sale
2.9
Callos Andrew

EVP, Chief Commercial Officer

Officer
11,000 -17.9%
61.88
US$680,680 		11,000 -17.9% 61.88 US$680,680
2026-03-05 2026-03-05 S Sale
2.9
Callos Andrew

EVP, Chief Commercial Officer

Officer
15,000 -19.6%
61.87
US$928,050 		15,000 -19.6% 61.87 US$928,050
2026-03-02 2026-03-02 S Sale
3.8
PARSHALL B LYNNE
Non-Executive Director
5,000 -21.8%
61.21
US$306,050 		5,000 -21.8% 61.21 US$306,050
2026-03-02 2026-03-02 PrS Proposed sale
3.8
B LYNNE PARSHALL

Director

Non-Executive Director
10,000
62.22
US$622,200 		10,000 62.22 US$622,200
2026-03-02 2026-03-02 S Sale
2.9
Callos Andrew

EVP, Chief Commercial Officer

Officer
886 -1.7%
61.62
US$54,595 		886 -1.7% 61.62 US$54,595
2026-02-05 2026-02-05 S Sale
2.9
Callos Andrew

EVP, Chief Commercial Officer

Officer
15,000 -22.9%
61.93
US$928,950 		15,000 -22.9% 61.93 US$928,950
2026-02-02 2026-02-02 S Sale
2.9
Callos Andrew

EVP, Chief Commercial Officer

Officer
886 -1.7%
62.10
US$55,021 		886 -1.7% 62.10 US$55,021
2026-01-05 2026-01-05 S Sale
2.9
Callos Andrew

EVP, Chief Commercial Officer

Officer
15,000 -22.9%
60.28
US$904,200 		15,000 -22.9% 60.28 US$904,200
2026-01-02 2026-01-02 PrS Proposed sale
2.9
ANDREW CALLOS

Officer

Officer
59,570
63.54
US$3,785,078 		59,570 63.54 US$3,785,078
2026-01-02 2026-01-02 S Sale
2.9
Callos Andrew

EVP, Chief Commercial Officer

Officer
885 -1.7%
63.16
US$55,897 		885 -1.7% 63.16 US$55,897
2026-01-02 2026-01-02 S Sale
2.9
Callos Andrew

EVP, Chief Commercial Officer

Officer
913 -1.8%
62.09
US$56,688 		913 -1.8% 62.09 US$56,688
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