InsiderTape plots every Form 4 on the price chart and flags cluster buys, CEO conviction, and first buys in years the moment they file. Start a free 7-day trial, cancel anytime.
START FREE TRIAL →Wendell Wierenga, Director, is a corporate insider tracked by InsiderTape across 1 company. The public record shows 3 open-market SEC Form 4 transactions: 0 purchases worth $0 and 3 sales worth $1.9M, reported from Oct 27, 25 to May 5, 26. Over this period they have been a net seller.
| Date | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| May 5, 26 | CYTKCYTOKINETICS INC | SELL | 4.0K | $75.00 | $302K |
| Dec 22, 25 | CYTKCYTOKINETICS INC | SELL | 20.0K | $66.14 | $1.3M |
| Oct 27, 25 | CYTKCYTOKINETICS INC | SELL | 4.4K | $58.68 | $257K |