WIERENGA WENDELL (CIK 1239956) reported 12 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-07-16). Recent activity: Buy CYTK (75 shares), Buy CRNX (5,925 shares), Buy CYTK (2,851 shares), Buy CYTK (4,032 shares), Sell CYTK (4,032 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-16 | CYTOKINETICS INC (CYTK) | Director | Buy | 75 | $6,196 |
| 2026-06-22 | Crinetics Pharmaceuticals, Inc. (CRNX) | Director | Buy | 5,925 | $0 |
| 2026-05-27 | CYTOKINETICS INC (CYTK) | Director | Buy | 2,851 | $0 |
| 2026-05-05 | CYTOKINETICS INC (CYTK) | Director | Buy | 4,032 | $49,997 |
| 2026-05-05 | CYTOKINETICS INC (CYTK) | Director | Sell | 4,032 | $302,400 |
| 2026-04-15 | CYTOKINETICS INC (CYTK) | Director | Buy | 95 | $6,210 |
| 2026-01-16 | CYTOKINETICS INC (CYTK) | Director | Buy | 98 | $6,217 |
| 2025-12-23 | CYTOKINETICS INC (CYTK) | Director | Buy | 20,000 | $152,200 |
| 2025-12-23 | CYTOKINETICS INC (CYTK) | Director | Sell | 20,000 | $1.3M |
| 2025-10-27 | CYTOKINETICS INC (CYTK) | Director | Buy | 4,375 | $43,750 |
| 2025-10-27 | CYTOKINETICS INC (CYTK) | Director | Sell | 4,375 | $256,725 |
| 2025-10-21 | CYTOKINETICS INC (CYTK) | Director | Buy | 99 | $6,217 |
Source: SEC Form 4 filings · as of 2026-07-16