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CYTOKINETICS INC

CYTK Net selling
CIK 0001061983 #898 in the set updated 17 Sep 2026
Bought (12 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (12 mo)
$52.12M
$16.99M on a plan · $30.45M straight out of an exercise
Sold at will
$4.68M
10 of 88 sales
Net
−$52.12M
−$4.68M against sales at will

By person

16 insiders · 90 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Blum Robert I
President & CEO
—
$17.08M (20) scheduled
−$17.08M
286,876
0.2064%
$19.89M
−29.4%
Callos Andrew
EVP, Chief Commercial Officer
—
$16.02M (25) scheduled
−$16.02M
58,555
0.0421%
$4.06M
−8.3%
Lee Sung
EVP, Chief Financial Officer
—
$5.70M (5) scheduled
−$5.70M
63,221
0.0455%
$4.38M
+82.3%
Malik Fady Ibraham
EVP Research & Development
—
$4.51M (21) scheduled
−$4.51M
153,902
0.1107%
$10.67M
+24.6%
Kaye Edward M. MD
Director
—
$3.21M (5) scheduled
−$3.21M
10,434
0.0075%
$723.39K
−58.5%
HENDERSON JOHN T
Director
—
$2.08M (2) scheduled
−$2.08M
78,360
0.0564%
$5.43M
+105.9%
WIERENGA WENDELL
Director
—
$1.88M (3) scheduled
−$1.88M
35,563
0.0256%
$2.47M
+9.9%
PARSHALL B LYNNE
Director
—
$1.36M (4) scheduled
−$1.36M
10,784
0.0078%
$747.65K
−47.7%
Landry Robert E
Director
—
$146.79K (2) scheduled
−$146.79K
8,184
0.0059%
$567.40K
—
Harrington Robert Arthur
Director
—
$143.62K (1) scheduled
−$143.62K
21,932
0.0158%
$1.52M
+41.4%
Hessekiel Jeffrey
Chief Legal & Admin Officer
—
—
—
107,943
0.0776%
$7.48M
—
Wysenski Nancy
Director
—
—
—
33,992
0.0245%
$2.36M
+48.6%
WIERENGA WENDALL
Director
—
—
—
32,345
0.0233%
$2.24M
+32.3%
Bhanji Muna
Director
—
—
—
26,361
0.0190%
$1.83M
+49.5%
Wong Robert
VP, Chief Accounting Officer
—
—
—
18,655
0.0134%
$1.29M
+7.2%
Daly James M
Director
—
—
—
3,390
0.0024%
$235.03K
—

Individual transactions

27
Insider
Date
Role
Action
Shares
Price
Amount
Blum Robert I
15 Sep 2026
President & CEO
Sold on a plan indirect
97,926
$69.33
$6.79M
Landry Robert E
15 Sep 2026
Director
Sold on a plan
1,000
$72.13
$72.13K
Landry Robert E
11 Sep 2026
Director
Sold on a plan
1,000
$74.66
$74.66K
PARSHALL B LYNNE
1 Sep 2026
Director
Sold on a plan
5,000
$71.48
$357.40K
Blum Robert I
1 Jul 2026
President & CEO
Sold on a plan
7,500
$84.92
$636.90K
Blum Robert I
15 Jun 2026
President & CEO
Sold on a plan
7,500
$70.46
$528.45K
PARSHALL B LYNNE
1 Jun 2026
Director
Sold on a plan
5,000
$74.08
$370.40K
Kaye Edward M. MD
1 Jun 2026
Director
Sold on a plan
2,933
$76.09
$223.17K
Blum Robert I
27 May 2026
President & CEO
Sold on a plan
7,500
$77.21
$579.08K
Blum Robert I
14 May 2026
President & CEO
Sold on a plan
7,500
$77.92
$584.40K
Lee Sung
5 May 2026
EVP, Chief Financial Officer
Sold on a plan
23,906
$76.87
$1.84M
Blum Robert I
29 Apr 2026
President & CEO
Sold on a plan
7,500
$59.62
$447.15K
Blum Robert I
15 Apr 2026
President & CEO
Sold on a plan
7,500
$65.38
$490.35K
Callos Andrew
15 Apr 2026
EVP, Chief Commercial Officer
Sold on a plan
7,449
$66.02
$491.78K
Blum Robert I
1 Apr 2026
President & CEO
Sold on a plan
7,500
$66.63
$499.73K
Callos Andrew
31 Mar 2026
EVP, Chief Commercial Officer
Sold on a plan
3,639
$65.00
$236.54K
Callos Andrew
18 Mar 2026
EVP, Chief Commercial Officer
Sold on a plan
1,930
$62.07
$119.80K
Callos Andrew
16 Mar 2026
EVP, Chief Commercial Officer
Sold on a plan
1,709
$61.03
$104.30K
PARSHALL B LYNNE
2 Mar 2026
Director
Sold on a plan
5,000
$61.21
$306.05K
Callos Andrew
29 Dec 2025
EVP, Chief Commercial Officer
Sold on a plan
1,809
$62.44
$112.95K
Harrington Robert Arthur
1 Dec 2025
Director
Sold on a plan
2,150
$66.80
$143.62K
PARSHALL B LYNNE
19 Nov 2025
Director
Sold on a plan
5,000
$64.73
$323.65K
Blum Robert I
30 Oct 2025
President & CEO
Sold on a plan
5,000
$62.86
$314.30K
Blum Robert I
16 Oct 2025
President & CEO
Sold on a plan
5,000
$60.03
$300.15K
Kaye Edward M. MD
6 Oct 2025
Director
Sold on a plan
6,757
$60.00
$405.42K
Blum Robert I
1 Oct 2025
President & CEO
Sold on a plan
5,000
$55.05
$275.25K
Kaye Edward M. MD
30 Sep 2025
Director
Sold on a plan
6,695
$55.08
$368.76K
Show all 90 transactions →

What was left out

Form 4 filings counted 128
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 27
Sales straight out of an exercise 51
Sales at will 10
Transactions with no price 0
Shares from compensation/vesting 1,065,252
History held since 30 Dec 2016