WIERENGA WENDELL (CIK 1239956) reported 8 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-06-22). Recent activity: Buy CRNX (5,925 shares), Buy CYTK (95 shares), Buy CYTK (98 shares), Buy CYTK (20,000 shares), Sell CYTK (20,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-22 | Crinetics Pharmaceuticals, Inc. (CRNX) | Director | Buy | 5,925 | $0 |
| 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 | Sell | 4,375 | $256,725 |
| 2025-10-27 | CYTOKINETICS INC (CYTK) | Director | Buy | 4,375 | $43,750 |
| 2025-10-21 | CYTOKINETICS INC (CYTK) | Director | Buy | 99 | $6,217 |
Source: SEC Form 4 filings · as of 2026-06-22