Cytokinetics Inc (CYTK) insider trading.
In Q3 2026, insiders at Cytokinetics Inc reported 45 non-derivative transactions on 25 Forms 3, 4 and 5: 0 open-market purchases and 21 sales worth $15.9M.
- Transactions
- 45
- Purchases (P)
- 0
- Sales (S)
- 21
- Net shares, P minus S
- -215,038
- Insiders
- 12
- Last filed
- 2026-09-28
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Blum Robert I | Director, Officer · President & CEO | 18 | 0 | 9 |
| Malik Fady Ibraham | Officer · EVP Research & Development | 10 | 0 | 5 |
| Callos Andrew | Officer · EVP, Chief Commercial Officer | 6 | 0 | 3 |
| Landry Robert E | Director | 2 | 0 | 2 |
| Lee Sung | Officer · EVP, Chief Financial Officer | 2 | 0 | 1 |
| Parshall B Lynne | Director | 1 | 0 | 1 |
| Daly James M | Director | 1 | 0 | 0 |
| Harrington Robert Arthur | Director | 1 | 0 | 0 |
| Henderson John T | Director | 1 | 0 | 0 |
| Kaye Edward M. MD | Director | 1 | 0 | 0 |
| Wierenga Wendell | Director | 1 | 0 | 0 |
| Wysenski Nancy | Director | 1 | 0 | 0 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-09-28 | Blum Robert I | M (A) | 7,500 | $10.6 | 286,044 | Form 4 |
| 2026-09-28 | Blum Robert I | S (D) | 7,500 | $65.46 | 278,544 | Form 4 |
| 2026-09-22 | Malik Fady Ibraham | M (A) | 3,500 | $7.8 | 157,402 | Form 4 |
| 2026-09-22 | Malik Fady Ibraham | S (D) | 3,500 | $68.29 | 153,902 | Form 4 |
| 2026-09-15 | Blum Robert I | S (D) | 97,926 | $69.33 | 0 | Form 4 |
| 2026-09-15 | Landry Robert E | S (D) | 1,000 | $72.13 | 8,184 | Form 4 |
| 2026-09-14 | Blum Robert I | M (A) | 7,500 | $10.6 | 385,320 | Form 4 |
| 2026-09-14 | Blum Robert I | S (D) | 7,500 | $73.44 | 377,820 | Form 4 |
| 2026-09-14 | Blum Robert I | G (D) | 1,350 | $0 | 376,470 | Form 4 |
| 2026-09-14 | Blum Robert I | G (D) | 97,926 | $0 | 278,544 | Form 4 |
| 2026-09-14 | Blum Robert I | G (A) | 97,926 | $0 | 97,926 | Form 4 |
| 2026-09-11 | Landry Robert E | S (D) | 1,000 | $74.66 | 9,184 | Form 4 |
| 2026-09-08 | Malik Fady Ibraham | M (A) | 3,500 | $7.8 | 157,402 | Form 4 |
| 2026-09-08 | Malik Fady Ibraham | S (D) | 3,500 | $75.46 | 153,902 | Form 4 |
| 2026-09-01 | Parshall B Lynne | S (D) | 5,000 | $71.48 | 10,784 | Form 4 |
| 2026-08-31 | Blum Robert I | S (D) | 7,500 | $70.24 | 377,820 | Form 4 |
| 2026-08-31 | Blum Robert I | M (A) | 7,500 | $10.6 | 385,320 | Form 4 |
| 2026-08-31 | Callos Andrew | M (A) | 10,000 | $23.26 | 68,555 | Form 4 |
| 2026-08-31 | Callos Andrew | S (D) | 10,000 | $70.24 | 58,555 | Form 4 |
| 2026-08-18 | Malik Fady Ibraham | M (A) | 3,500 | $7.8 | 157,402 | Form 4 |
| 2026-08-18 | Malik Fady Ibraham | S (D) | 3,500 | $75.82 | 153,902 | Form 4 |
| 2026-08-10 | Blum Robert I | M (A) | 7,500 | $10.6 | 385,320 | Form 4 |
| 2026-08-10 | Blum Robert I | S (D) | 7,500 | $76.76 | 377,820 | Form 4 |
| 2026-07-30 | Callos Andrew | M (A) | 14,000 | $23.26 | 72,555 | Form 4 |
| 2026-07-30 | Callos Andrew | S (D) | 14,000 | $79.88 | 58,555 | Form 4 |
| 2026-07-27 | Blum Robert I | M (A) | 7,500 | $10.6 | 385,320 | Form 4 |
| 2026-07-27 | Blum Robert I | S (D) | 7,500 | $80.87 | 377,820 | Form 4 |
| 2026-07-21 | Malik Fady Ibraham | M (A) | 3,500 | $7.8 | 157,402 | Form 4 |
| 2026-07-21 | Malik Fady Ibraham | S (D) | 3,500 | $80.59 | 153,902 | Form 4 |
| 2026-07-15 | Daly James M | A (A) | 151 | $82.62 | 3,390 | Form 4 |
| 2026-07-15 | Harrington Robert Arthur | A (A) | 151 | $82.62 | 21,932 | Form 4 |
| 2026-07-15 | Henderson John T | A (A) | 272 | $82.62 | 78,360 | Form 4 |
| 2026-07-15 | Kaye Edward M. MD | A (A) | 151 | $82.62 | 10,434 | Form 4 |
| 2026-07-15 | Wierenga Wendell | A (A) | 75 | $82.62 | 35,563 | Form 4 |
| 2026-07-15 | Wysenski Nancy | A (A) | 75 | $82.62 | 33,992 | Form 4 |
| 2026-07-13 | Blum Robert I | S (D) | 10 | $82.02 | 377,820 | Form 4 |
| 2026-07-13 | Blum Robert I | S (D) | 7,490 | $82.02 | 377,820 | Form 4 |
| 2026-07-13 | Blum Robert I | M (A) | 7,490 | $10.6 | 385,310 | Form 4 |
| 2026-07-07 | Malik Fady Ibraham | S (D) | 3,500 | $86.62 | 153,902 | Form 4 |
| 2026-07-07 | Malik Fady Ibraham | M (A) | 3,500 | $7.8 | 157,402 | Form 4 |
| 2026-07-01 | Lee Sung | M (A) | 1,112 | $48.51 | 64,333 | Form 4 |
| 2026-07-01 | Lee Sung | S (D) | 1,112 | $87.79 | 63,221 | Form 4 |
| 2026-07-01 | Callos Andrew | S (D) | 15,000 | $85.8 | 58,555 | Form 4 |
| 2026-07-01 | Callos Andrew | M (A) | 15,000 | $23.26 | 73,555 | Form 4 |
| 2026-07-01 | Blum Robert I | S (D) | 7,500 | $84.92 | 377,830 | Form 4 |
Transaction codes in this quarter
Get CYTK insider transactions through the API
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curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=1061983&limit=100" \
-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · CYTK company page · Cytokinetics Inc on SEC.gov
Questions
Are insiders buying or selling Cytokinetics Inc (CYTK)?
In Q3 2026, insiders at Cytokinetics Inc reported 45 non-derivative transactions on 25 Forms 3, 4 and 5: 0 open-market purchases and 21 sales worth $15.9M. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these Cytokinetics Inc insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Source: SEC Insider Transactions Data Sets, Q3 2026, retrieved 2026-10-27. Footnotes, derivative holdings and amendments are in the linked filings. Not investment advice.
Plain-text version for agents and LLMs: /insider-trading/cytk.md
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