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Wendell Wierenga

Director

Wendell Wierenga (Director) filed 3 Form 4 reports in the trailing twelve months (0 purchases, 3 sales), most often in Cytokinetics, Incorporated (CYTK). The largest single filing was $1.3M of CYTK (20,000 sh × $66.14, as filed), executed Dec 22 2025.

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Return, ttmiAverage return per filing, trailing twelve months
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
returns measure stock purchases only
Filings, ttm
3
0 buys · 3 sells
Median delay
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$1.9M
shares × price, as filed
Last traded
May 5
Filed May 5

Median ADV $207.8M across their filed names

Open performance
Volume by month
$1.3M$661K$0Oct 2024Apr 2025Oct 2025Apr 2026Oct 2025 · sells $257KDec 2025 · sells $1.3MMay 2026 · sells $302K
Buys $0 Sells $1.9M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Healthcare 3 filings

Sector per market data · by filing · past 12 months

Most traded names
CYTK Cytokinetics, Incorporated CYTK · 0 buys · 3 sells 3 filings
Recent filings
CYTKSALE Cytokinetics, Incorporated View filing → $302K
4,032 sh × $75.00
Exec May 5
Filed May 5 · 5:30 PM ET
CYTKSALE Cytokinetics, Incorporated View filing → $1.3M
20,000 sh × $66.14
Exec Dec 22 2025
Filed Dec 23 2025 · 5:30 PM ET
CYTKSALE Cytokinetics, Incorporated View filing → $257K
4,375 sh × $58.68
Exec Oct 27 2025
Filed Oct 27 2025 · 5:30 PM ET