HARRINGTON ROBERT ARTHUR

PrivateCIK: 1923988

Location

SOUTH SAN FRANCISCO, CA

→CYTOKINETICS INC

May 27, 2026·May 27, 2026

2 txn

WIERENGA WENDELL

144

→CYTOKINETICS INC

May 5, 2026·May 5, 2026

LEE SUNG

144

→CYTOKINETICS INC

May 5, 2026·May 5, 2026

-2

LEE SUNG

→CYTOKINETICS INC

May 5, 2026·May 5, 2026

1 txn

HENDERSON JOHN T

→CYTOKINETICS INC

May 5, 2026·May 5, 2026

4 txn

CALLOS ANDREW

→CYTOKINETICS INC

May 5, 2026·May 5, 2026

3 txn

CALLOS ANDREW

→CYTOKINETICS INC

May 4, 2026·May 4, 2026

3 txn

CALLOS ANDREW

→CYTOKINETICS INC

Apr 30, 2026·Apr 30, 2026

3 txn

HARRINGTON ROBERT ARTHUR

→CYTOKINETICS INC

Apr 15, 2026·Apr 15, 2026

1 txn

MALIK FADY IBRAHAM

→CYTOKINETICS INC

Apr 8, 2026·Apr 8, 2026

6 txn

MALIK FADY IBRAHAM

144

→CYTOKINETICS INC

Apr 7, 2026·Apr 7, 2026

-3

CALLOS ANDREW

144

→CYTOKINETICS INC

Mar 31, 2026·Mar 31, 2026

-13

CALLOS ANDREW

→CYTOKINETICS INC

Mar 31, 2026·Mar 31, 2026

1 txn

CALLOS ANDREW

144

→CYTOKINETICS INC

Mar 18, 2026·Mar 18, 2026

-12

LEE SUNG

→CYTOKINETICS INC

Mar 18, 2026·Mar 18, 2026

1 txn

CALLOS ANDREW

→CYTOKINETICS INC

Mar 18, 2026·Mar 18, 2026

2 txn

MALIK FADY IBRAHAM

→CYTOKINETICS INC

Mar 18, 2026·Mar 18, 2026

2 txn

CALLOS ANDREW

→CYTOKINETICS INC

Mar 18, 2026·Mar 18, 2026

1 txn

CALLOS ANDREW

→CYTOKINETICS INC

Mar 17, 2026·Mar 17, 2026

4 txn

HESSEKIEL JEFFREY

→CYTOKINETICS INC

Mar 17, 2026·Mar 17, 2026

3 txn

LEE SUNG

→CYTOKINETICS INC

Mar 17, 2026·Mar 17, 2026

3 txn

MALIK FADY IBRAHAM

→CYTOKINETICS INC

Mar 17, 2026·Mar 17, 2026

3 txn

CALLOS ANDREW

144

→CYTOKINETICS INC

Mar 16, 2026·Mar 16, 2026

-11

MALIK FADY IBRAHAM

→CYTOKINETICS INC

Mar 10, 2026·Mar 10, 2026

1 txn

CALLOS ANDREW

→CYTOKINETICS INC

Mar 5, 2026·Mar 5, 2026

6 txn

Page 1 of 25 · 617 total

Filer	Form	Target	Filed	Activity
HARRINGTON ROBERT ARTHURCIK · 1923988	4 Trade	CYTOKINETICS INCCIK · 1061983	May 27, 2026 May 27, 2026	2txn
WIERENGA WENDELLCIK · 1239956	144 Sale	CYTOKINETICS INCCIK · 1061983	May 5, 2026 May 5, 2026	—
LEE SUNGCIK · 1793200	144 Sale	CYTOKINETICS INCCIK · 1061983	May 5, 2026 May 5, 2026	—
LEE SUNGCIK · 1793200	4 Trade	CYTOKINETICS INCCIK · 1061983	May 5, 2026 May 5, 2026	1txn
HENDERSON JOHN TCIK · 1226488	4 Trade	CYTOKINETICS INCCIK · 1061983	May 5, 2026 May 5, 2026	4txn
CALLOS ANDREWCIK · 1852129	4 Trade	CYTOKINETICS INCCIK · 1061983	May 5, 2026 May 5, 2026	3txn
CALLOS ANDREWCIK · 1852129	4 Trade	CYTOKINETICS INCCIK · 1061983	May 4, 2026 May 4, 2026	3txn
CALLOS ANDREWCIK · 1852129	4 Trade	CYTOKINETICS INCCIK · 1061983	Apr 30, 2026 Apr 30, 2026	3txn
HARRINGTON ROBERT ARTHURCIK · 1923988	4 Trade	CYTOKINETICS INCCIK · 1061983	Apr 15, 2026 Apr 15, 2026	1txn
MALIK FADY IBRAHAMCIK · 1551778	4 Trade	CYTOKINETICS INCCIK · 1061983	Apr 8, 2026 Apr 8, 2026	6txn
MALIK FADY IBRAHAMCIK · 1551778	144 Sale	CYTOKINETICS INCCIK · 1061983	Apr 7, 2026 Apr 7, 2026	—
CALLOS ANDREWCIK · 1852129	144 Sale	CYTOKINETICS INCCIK · 1061983	Mar 31, 2026 Mar 31, 2026	—
CALLOS ANDREWCIK · 1852129	4 Trade	CYTOKINETICS INCCIK · 1061983	Mar 31, 2026 Mar 31, 2026	1txn
CALLOS ANDREWCIK · 1852129	144 Sale	CYTOKINETICS INCCIK · 1061983	Mar 18, 2026 Mar 18, 2026	—
LEE SUNGCIK · 1793200	4 Trade	CYTOKINETICS INCCIK · 1061983	Mar 18, 2026 Mar 18, 2026	1txn
CALLOS ANDREWCIK · 1852129	4 Trade	CYTOKINETICS INCCIK · 1061983	Mar 18, 2026 Mar 18, 2026	2txn
MALIK FADY IBRAHAMCIK · 1551778	4 Trade	CYTOKINETICS INCCIK · 1061983	Mar 18, 2026 Mar 18, 2026	2txn
CALLOS ANDREWCIK · 1852129	4 Trade	CYTOKINETICS INCCIK · 1061983	Mar 18, 2026 Mar 18, 2026	1txn
CALLOS ANDREWCIK · 1852129	4 Trade	CYTOKINETICS INCCIK · 1061983	Mar 17, 2026 Mar 17, 2026	4txn
HESSEKIEL JEFFREYCIK · 1599803	4 Trade	CYTOKINETICS INCCIK · 1061983	Mar 17, 2026 Mar 17, 2026	3txn
LEE SUNGCIK · 1793200	4 Trade	CYTOKINETICS INCCIK · 1061983	Mar 17, 2026 Mar 17, 2026	3txn
MALIK FADY IBRAHAMCIK · 1551778	4 Trade	CYTOKINETICS INCCIK · 1061983	Mar 17, 2026 Mar 17, 2026	3txn
CALLOS ANDREWCIK · 1852129	144 Sale	CYTOKINETICS INCCIK · 1061983	Mar 16, 2026 Mar 16, 2026	—
MALIK FADY IBRAHAMCIK · 1551778	4 Trade	CYTOKINETICS INCCIK · 1061983	Mar 10, 2026 Mar 10, 2026	1txn
CALLOS ANDREWCIK · 1852129	4 Trade	CYTOKINETICS INCCIK · 1061983	Mar 5, 2026 Mar 5, 2026	6txn

Page 1 of 25 · 617 total