Latest filingSep 01, 2026Most recent Form 4
CYTK
CYTOKINETICS INC
NasdaqHealthcarePharmaceutical Preparations
Insider activity for last month from 08/04 to 09/04. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$132M3 sells
Net open-market-$132M3 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period7transactions
- M · Option exercise · dominant4 · 57%
- S · Open-market sells3 · 43%
Activity by reported role
A joint filing can contribute to multiple roles10transactions
- CCO · dominant3 · 30%
- ER3 · 30%
- EVP3 · 30%
- Director1 · 10%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (2)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeMalik Fady IbrahamCommon Stock · Direct
153,902Aug 18, 2026
Callos AndrewCommon Stock · Direct
68,555Aug 31, 2026
Malik Fady IbrahamNon-Qualified Stock Option (Right to Buy) · Direct
30,386Aug 18, 2026
Callos AndrewNon-Qualified Stock Option (Right to Buy) · Direct
0Aug 31, 2026
Parshall B LynneCommon Stock · Direct
10,784Sep 01, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 04 → Sep 04
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Top insiders
By absolute net value across the selected period- CA-$702.4k
- PL-$357.4k
- MI-$265.4k
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
CYTK transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| CYTK | PARSHALL B LYNNE | DIR | sale | 5.00k | -$35.7M | S | 0.0% | 09/01 | 09/01 | |
| CYTK | Callos Andrew | EVPCCO | sale | 10.0k | -$70.2M | S | 0.0% | 08/31 | 08/31 | |
| CYTK | Malik Fady Ibraham | ER | sale | 3.50k | -$26.5M | S | −6.2% | 08/18 | 08/18 |
CYTOKINETICS INC Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at CYTOKINETICS INC?
PARSHALL B LYNNE, Callos Andrew, Malik Fady Ibraham.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Parshall B Lynne reported a sale on Sep 01, 2026 valued at $35.7M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $1,325,170.00. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.