CYTK insider trading
SEC Form 4 transactions reported by Cytokinetics, Incorporated insiders, officers, directors, and 10%+ beneficial owners. Sourced from EDGAR.
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Recent CYTK insider transactions
The 20 most recent non-derivative Form 4 transactions reported by Cytokinetics, Incorporated insiders. Buys are highlighted; the transaction code column matches SEC Form 4 codes (P = open-market purchase, S = sale, A = grant, M = option exercise, F = tax withholding).
| Date | Code | Insider | Role | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-09-15 | S | Landry Robert E | Director | 1,000 | $72 | $72K |
| 2026-09-15 | S | Blum Robert I | President & CEO, Director | 97,926 | $69 | $6.8M |
| 2026-09-14 | G | Blum Robert I | President & CEO, Director | 97,926 | n/a | |
| 2026-09-14 | M | Blum Robert I | President & CEO, Director | 7,500 | $11 | $80K |
| 2026-09-14 | G | Blum Robert I | President & CEO, Director | 1,350 | n/a | |
| 2026-09-14 | G | Blum Robert I | President & CEO, Director | 97,926 | n/a | |
| 2026-09-14 | S | Blum Robert I | President & CEO, Director | 7,500 | $73 | $551K |
| 2026-09-11 | S | Landry Robert E | Director | 1,000 | $75 | $75K |
| 2026-09-08 | S | Malik Fady Ibraham | EVP Research & Development | 3,500 | $75 | $264K |
| 2026-09-08 | M | Malik Fady Ibraham | EVP Research & Development | 3,500 | $8 | $27K |
| 2026-09-01 | S | PARSHALL B LYNNE | Director | 5,000 | $71 | $357K |
| 2026-08-31 | S | Callos Andrew | EVP, Chief Commercial Officer | 10,000 | $70 | $702K |
| 2026-08-31 | M | Callos Andrew | EVP, Chief Commercial Officer | 10,000 | $23 | $233K |
| 2026-08-31 | M | Blum Robert I | President & CEO, Director | 7,500 | $11 | $80K |
| 2026-08-31 | S | Blum Robert I | President & CEO, Director | 7,500 | $70 | $527K |
| 2026-08-18 | M | Malik Fady Ibraham | EVP Research & Development | 3,500 | $8 | $27K |
| 2026-08-18 | S | Malik Fady Ibraham | EVP Research & Development | 3,500 | $76 | $265K |
| 2026-08-10 | S | Blum Robert I | President & CEO, Director | 7,500 | $77 | $576K |
| 2026-08-10 | M | Blum Robert I | President & CEO, Director | 7,500 | $11 | $80K |
| 2026-07-30 | S | Callos Andrew | EVP, Chief Commercial Officer | 14,000 | $80 | $1.1M |
What insider trading data covers for CYTK
Cytokinetics, Incorporated (CIK 1061983) reports Section 16 insider transactions on Form 4 within two business days. Each filing carries the transaction date, transaction code (P for open-market purchase, S for sale, M for option exercise, F for tax withholding), shares, price, and post-transaction holdings. Optional footnotes disclose Rule 10b5-1 plan references and indirect ownership relationships.
How to interpret CYTK insider activity
Treat each filing line through three filters: the transaction code, the role of the filer (officer carries more signal than director), and the dollar value relative to the company's market cap. Open-market purchases (P) by C-suite officers carry the strongest bullish signal. Sales (S) referencing a Rule 10b5-1 plan in the footnotes are pre-arranged and should be discounted. See how to read a Form 4 for the full walkthrough.
Get CYTK insider data via API
Pull recent CYTK Form 4 filings, filtered to open-market purchases above $100k:
curl "https://api.edgarkit.com/v1/filings?ticker=CYTK&form_type=4&transaction_code=P&min_value=100000&limit=20" \
-H "Authorization: Bearer YOUR_API_KEY"Subscribe via webhook to receive every new CYTK Form 4 in real time:
curl -X POST "https://api.edgarkit.com/v1/webhooks" \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"url": "https://your-server.com/edgarkit-events",
"filters": {"form_types": ["4"], "tickers": ["CYTK"]}
}'Cluster buying detection for CYTK
The strongest insider signal at the issuer level is cluster buying: three or more distinct insiders placing open-market purchases within a 7-14 day window. For the complete pattern detector, see how to detect insider cluster buying.