CYTOKINETICS INC

Ticker: CYTK CUSIP: 23282W605 Class: EQTY

BROWN BROTHERS HARRIMAN & CO's Holding History (CIK: 0000014661)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 300 Value ($000) $19 Avg Close $62.21 Range $53.61 - $70.98

Q4 2022

Shares 100 Value ($000) $5 Avg Close $42.95 Range $35.35 - $52.40

Q3 2022

Shares 100 Value ($000) $5 Avg Close $48.13 Range $38.16 - $55.80

Q2 2022

Shares 100 Value ($000) $4 Avg Close $40.26 Range $33.60 - $49.41

Q1 2022

Shares 100 Value ($000) $4 Avg Close $35.53 Range $29.26 - $46.95

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	300	$19	$62.21	$53.61 - $70.98
Q4 2022	100	$5	$42.95	$35.35 - $52.40
Q3 2022	100	$5	$48.13	$38.16 - $55.80
Q2 2022	100	$4	$40.26	$33.60 - $49.41
Q1 2022	100	$4	$35.53	$29.26 - $46.95