Wierenga Wendell, a director at Cytokinetics Inc. ($CYTK), sold shares on the open market twice in the last year, totaling about $1.58 million. His most recent sale occurred on December 22, 2025. These sales rank 3,949th among 11,678 individual insiders in our database, where the average is $8.59 million across roughly 6.4 transactions per insider. Wierenga Wendell made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 15, 2026 | CYTOKINETICS INC | $CYTK | WIERENGA WENDELL | Director | A | Common Stock | 98 | $63.44 | 32,542.0000 | 122,264,929 | 0.30% | 0.00% |
| Jan. 2, 2026 | Dermata Therapeutics, Inc. | $DRMA | WIERENGA WENDELL | Director | A | Stock Option (Right to Buy) | 2500 | $0.00 | 2,500.0000 | 1,026,457 | 9999.99% | 0.24% |
| Dec. 22, 2025 | CYTOKINETICS INC | $CYTK | WIERENGA WENDELL | Director | M | Non-Qualified Stock Option (Right to Buy) | 20000 | $0.00 | 0.0000 | 122,264,929 | 100.00% | 0.02% |
| Dec. 22, 2025 | CYTOKINETICS INC | $CYTK | WIERENGA WENDELL | Director | M | Common Stock | 20000 | $7.61 | 52,444.0000 | 122,264,929 | 61.64% | 0.02% |
| Dec. 22, 2025 | CYTOKINETICS INC | $CYTK | WIERENGA WENDELL | Director | S | Common Stock | 20000 | $66.14 | 32,444.0000 | 122,264,929 | 38.14% | 0.02% |
| Oct. 27, 2025 | CYTOKINETICS INC | $CYTK | WIERENGA WENDELL | Director | M | Non-Qualified Stock Option (Right to Buy) | 4375 | $0.00 | 0.0000 | 118,410,689 | 100.00% | 0.00% |
| Oct. 27, 2025 | CYTOKINETICS INC | $CYTK | WIERENGA WENDELL | Director | M | Common Stock | 4375 | $10.00 | 36,819.0000 | 118,410,689 | 13.48% | 0.00% |
| Oct. 27, 2025 | CYTOKINETICS INC | $CYTK | WIERENGA WENDELL | Director | S | Common Stock | 4375 | $58.68 | 32,444.0000 | 118,410,689 | 11.88% | 0.00% |
| Oct. 15, 2025 | CYTOKINETICS INC | $CYTK | WIERENGA WENDELL | Director | A | Common Stock | 99 | $62.80 | 32,444.0000 | 118,410,689 | 0.31% | 0.00% |
| Jan. 13, 2025 | Dermata Therapeutics, Inc. | $DRMA | WIERENGA WENDELL | Not found | A | Stock Option (Right to Buy) | 5000 | $0.00 | 5,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 4, 2024 | Dermata Therapeutics, Inc. | $DRMA | WIERENGA WENDELL | Not found | A | Stock Option (Right to Buy) | 10000 | $0.00 | 10,000.0000 | 0 | 9999.99% | 0.00% |