Key facts
- This page summarizes Wendall Wierenga's Form 4 filing for CYTOKINETICS INC (CYTK).
- 3 reported transactions and 1 derivative row are listed below.
- Accepted by SEC: 21 Apr 2025, 17:42.
Wendall Wierenga - 21 Apr 2025 Form 4 Insider Report for CYTOKINETICS INC (CYTK)
- Reporting relationship
- Director
- Issuer ticker
- CYTK
- Reported as of
- 21 Apr 2025
- Net transaction value
- -$645,000
- SEC form
- 4
- Accepted by SEC
- 21 Apr 2025, 17:42:08 UTC
- Prior SEC filing
- 16 Apr 2025
- Next SEC filing
- 14 May 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ John O. Faurescu, attorney-in-fact for Dr. Wierenga
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Wendall Wierenga filed Form 4 for CYTOKINETICS INC (CYTK) on 21 Apr 2025.
Change
- Previous filing in this sequence was filed on 16 Apr 2025.
- Current net transaction value: -$645,000.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
CYTK
transaction
Common Stock
Options Exercise
- Transaction value
- $124,200
- Shares
- +20,000
- Change %
- +80%
- Price
- $6.21
- Shares after
- 44,848
- Date
- 21 Apr 2025
- Ownership
- Direct
CYTK
transaction
Common Stock
Sale
- Transaction value
- $769,200
- Shares
- -20,000
- Change %
- -45%
- Price
- $38.46
- Shares after
- 24,848
- Date
- 21 Apr 2025
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
CYTK
transaction
Derivative
Stock Option (Right to Buy)
Options Exercise
- Transaction value
- $0
- Shares
- -20,000
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 21 Apr 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 20,000
- Exercise price
- $6.21
- Footnotes
- F1
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Rule 10b5-1 trading plan
These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.
Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).
Explanation of responses 1 footnote
Footnote F1
This option shall vest and become exercisable in 12 equal monthly installments and shall become fully vested on May 20, 2016.