William J Rutter

Insider

First SEC filing: July 27, 2004 · Latest: July 27, 2004

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 4 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
April 29, 2004	CYTK	C	57,147	$2.90	$165,726	172,413 Direct	-24.89%	Disposed	340.7% (price as of 2026-08-19)
April 29, 2004	CYTK	C	115,266	$2.90	$334,271	115,266 Direct	-50.00%	Disposed	340.7% (price as of 2026-08-19)
April 29, 2004	CYTK	C	57,147	$12.00	$685,764	172,413 Direct	+49.58%	Acquired	6.5% (price as of 2026-08-19)
April 29, 2004	CYTK	C	115,266	$12.00	$1,383,192	115,266 Direct	—	Acquired	6.5% (price as of 2026-08-19)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
April 29, 2004	CYTK	Series B Preferred Stock	Common Stock (57,417)	—	April 29, 2004	57,147	Disposed
April 29, 2004	CYTK	Series B Preferred Stock	Common Stock (115,266)	—	April 29, 2004	115,266	Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
July 27, 2004	CYTK	Employee Stock Option (right to buy)→ Common Stock	—	Direct
April 28, 2004	CYTK	Series B Preferred Stock→ Common Stock	—	Direct
April 28, 2004	CYTK	Series B Preferred Stock→ Common Stock	—	Direct
April 28, 2004	CYTK	Employee Stock Option (right to buy)→ Common Stock	—	Direct