WENDELL WIERENGA
CIK 1239956 · last filed 2026-05-27
WENDELL WIERENGA is a corporate insider who has filed 15 SEC Form 4 insider transactions across 2 companies since 2021. The most recent filing, for CYTK, was dated May 27, 2026. Across all open-market trades the lifetime net is −$1.9M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $2.5M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$2.49M
2
15
-$1.88M
Holdings By Company
Recent Filings
15 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-27 | CYTK | Grant (A) | +2,851 | $0 | EDGAR |
| 2026-05-05 | CYTK | Mixed | — | -$252.4K | EDGAR |
| 2026-04-15 | CYTK | Grant (A) | +95 | $6.2K | EDGAR |
| 2026-01-16 | CYTK | Grant (A) | +98 | $6.2K | EDGAR |
| 2026-01-06 | DRMAW | Grant (A) | — | $0 | EDGAR |
| 2025-12-23 | CYTK | Mixed | — | -$1.17M | EDGAR |
| 2025-10-27 | CYTK | Mixed | — | -$213.0K | EDGAR |
| 2025-10-21 | CYTK | Grant (A) | +99 | $6.2K | EDGAR |
| 2025-01-14 | DRMAW | Grant (A) | — | $0 | EDGAR |
| 2024-01-05 | DRMAW | Grant (A) | — | $0 | EDGAR |