Form 4 for CYTK CYTOKINETICS INC
Accepted 2026-09-15 17:20:38 ET · period of report 2026-09-14 · accession 0001061983-26-000094 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DT | 2026-09-15 17:20 | 2026-09-14 | CYTK | Blum Robert I | Pres, CEO, Dir | M - OptEx | $10.60 | +7,500 | 385.3K | +2% | +$79.5K |
| DT | 2026-09-15 17:20 | 2026-09-14 | CYTK | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $73.44 | -7,500 | 377.8K | -2% | -$550.8K |
| DMT | 2026-09-15 17:20 | 2026-09-14 | CYTK | Blum Robert I | Pres, CEO, Dir | G - Gift | $0.00 | -99.3K | 278.5K | -26% | $0 |
| DTI | 2026-09-15 17:20 | 2026-09-14 | CYTK | Blum Robert I | Pres, CEO, Dir | G - Gift | $0.00 | +97.9K | 97.9K | New | $0 |
| DTI | 2026-09-15 17:20 | 2026-09-15 | CYTK | Blum Robert I | Pres, CEO, Dir | S - Sale+OE | $69.33 | -97.9K | 0 | -100% | -$6.79M |
| DT | 2026-09-15 17:20 | 2026-09-14 | CYTK | Blum Robert I | Pres, CEO, Dir | M - OptEx | $0.00 | -7,500 | 156.7K | -5% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-09-14 | M | A | 7,500 | $10.60 | 385,320 | D | — | — | (F1) Acquisition of shares of common stock upon exercise of stock options. Transaction is pursuant to a trading plan adopted by the reporting person intended to satisfy the conditions of Rule 10b5-1(c). |
| 2 | Common | Common Stock | 2026-09-14 | S | D | 7,500 | $73.44 | 377,820 | D | — | — | (F2) Sale of shares of common stock acquired upon exercise of stock options. Transaction is pursuant to a trading plan adopted by the reporting person intended to satisfy the conditions of Rule 10b5-1(c). |
| 3 | Common | Common Stock | 2026-09-14 | G | D | 1,350 | $0.00 | 376,470 | D | — | — | (F3) Charitable gift. |
| 4 | Common | Common Stock | 2026-09-14 | G | D | 97,926 | $0.00 | 278,544 | D | — | — | (F4) Transfer of shares of common stock to The Bridget Blum 2026 Irrevocable Trust, of which reporting person is a co-trustee. Reporting person disclaims any beneficial ownership interest in the shares held by the aforementioned trust upon completion of the gift transfer. |
| 5 | Common | Common Stock | 2026-09-14 | G | A | 97,926 | $0.00 | 97,926 | I by Trust 3. Beneficial Ownership Disclaimed. | — | — | (F5) Acquisition of shares by The Bridget Blum 2026 Irrevocable Trust, of which reporting person is a co-trustee. Reporting person disclaims any beneficial ownership interest in the shares held by the aforementioned trust. |
| 6 | Common | Common Stock | 2026-09-15 | S | D | 97,926 | $69.33 | 0 | I by Trust 3. Beneficial Ownership Disclaimed. | — | — | (F6) Sale of shares of common stock by The Bridget Blum 2026 Irrevocable Trust, of which reporting person is a co-trustee. Reporting person disclaims any beneficial ownership interest in the shares sold or the proceeds thereof. |
| 7 | Derivative | Non-Qualified Stock Option (Right to Buy) | 2026-09-14 | M | D | 7,500 | $0.00 | 156,745 | D | $10.60 · 2017-03-28 to 2027-02-28 | 7,500 Common Stock | (F9) Exercise of stock options. Transaction is pursuant to a trading plan adopted by the reporting person intended to satisfy the conditions of Rule 10b5-1(c). |