-
Signature
-
/s/ John O. Faurescu, attorney-in-fact for Dr. Wierenga
-
Issuer symbol
-
CYTK
-
Transactions as of
-
22 Dec 2025
-
Net transactions value
-
-$1,170,600
-
Form type
-
4
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Filing time
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23 Dec 2025, 16:13:49 UTC
Reporting Owners (1)
| Name |
Relationship |
Address |
Signature |
Signature date |
CIK |
| WIERENGA WENDELL |
Director |
350 OYSTER POINT BLVD, SOUTH SAN FRANCISCO |
/s/ John O. Faurescu, attorney-in-fact for Dr. Wierenga |
23 Dec 2025 |
0001239956 |
Transactions Table
| Type |
Sym |
Class |
Transaction |
Value $ |
Shares |
Change % |
* Price $ |
Shares After |
Date |
Ownership |
Footnotes |
| transaction |
CYTK |
Common Stock |
Options Exercise |
$152,200 |
+20,000 |
+62% |
$7.61 |
52,444 |
22 Dec 2025 |
Direct |
|
| transaction |
CYTK |
Common Stock |
Sale |
$1,322,800 |
-20,000 |
-38% |
$66.14 |
32,444 |
22 Dec 2025 |
Direct |
|
Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)
| Type |
Sym |
Class |
Transaction |
Value $ |
Shares |
Change % |
* Price $ |
Shares After |
Date |
Underlying Class |
Amount |
Exercise Price |
Ownership |
Footnotes |
| transaction |
CYTK |
Non-Qualified Stock Option (Right to Buy) |
Options Exercise |
$0 |
-20,000 |
-100% |
$0.000000 |
0 |
22 Dec 2025 |
Common Stock |
20,000 |
$7.61 |
Direct |
|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.
Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.
Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).