-$58M
Net insider buying / selling at Cytokinetics (CYTK) over the last 2 years. Updated Jul 30, 2026
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Are Cytokinetics Insiders Buying or Selling?
Cytokinetics (CYTK) has had 17 insider transactions in the past 90 days, all sells. The most recent was Andrew Callos, who sold 14,000 shares at $79.88 on July 30, 2026.
Insider trading patterns can signal confidence or concern from the people who know the company best. AltIndex tracks insider transactions as one of 25+ alternative data signals in the CYTK AI Score. For government officials trading this stock, see CYTK congressional trading.
Who’s Trading Cytokinetics Stock?
| Insider | Activity | Trades | Last Trade |
|---|---|---|---|
| Andrew Callos | Sold $18M | 33 | Jul 30, 2026 |
| Robert Blum | Sold $17M | 40 | Jul 13, 2026 |
| Malik Fady Ibraham | Sold $9.5M | 57 | Jul 21, 2026 |
| Kaye Edward M. MD | Sold $3.7M | 7 | Jun 1, 2026 |
| JOHN HENDERSON | Sold $2.3M | 4 | May 5, 2026 |
| Sung Lee | Sold $2.2M | 3 | Jul 1, 2026 |
Recent Cytokinetics Insider Transactions
| Insider | Transaction Date | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Andrew Callos | Jul 30, 2026 | Sell | 14,000 | $79.88 | $1.1M |
| Malik Fady Ibraham | Jul 21, 2026 | Sell | 3,500 | $80.59 | $280,000 |
| Robert Blum | Jul 13, 2026 | Sell | 7,490 | $82.02 | $610,000 |
| Robert Blum | Jul 13, 2026 | Sell | 10 | $82.02 | $820 |
| Malik Fady Ibraham | Jul 7, 2026 | Sell | 3,500 | $86.62 | $300,000 |
| Andrew Callos | Jul 1, 2026 | Sell | 15,000 | $85.8 | $1.3M |
| Robert Blum | Jul 1, 2026 | Sell | 7,500 | $84.92 | $640,000 |
| Sung Lee | Jul 1, 2026 | Sell | 1,112 | $87.79 | $98,000 |
| Malik Fady Ibraham | Jun 23, 2026 | Sell | 3,500 | $79.51 | $280,000 |
| Robert Blum | Jun 15, 2026 | Sell | 7,500 | $70.46 | $530,000 |
| Malik Fady Ibraham | Jun 9, 2026 | Sell | 3,500 | $67.98 | $240,000 |
| Andrew Callos | Jun 1, 2026 | Sell | 15,000 | $74.08 | $1.1M |
| Kaye Edward M. MD | Jun 1, 2026 | Sell | 2,933 | $76.09 | $220,000 |
| PARSHALL B LYNNE | Jun 1, 2026 | Sell | 5,000 | $74.08 | $370,000 |
| Robert Blum | May 27, 2026 | Sell | 7,500 | $77.21 | $580,000 |
| Malik Fady Ibraham | May 19, 2026 | Sell | 3,500 | $75.69 | $260,000 |
| Robert Blum | May 14, 2026 | Sell | 7,500 | $77.92 | $580,000 |
| Sung Lee | May 5, 2026 | Sell | 23,906 | $76.87 | $1.8M |
| JOHN HENDERSON | May 5, 2026 | Sell | 20,000 | $75.97 | $1.5M |
| Andrew Callos | May 5, 2026 | Sell | 11,333 | $77.25 | $880,000 |
| Malik Fady Ibraham | May 5, 2026 | Sell | 3,500 | $77.37 | $270,000 |
| WENDELL WIERENGA | May 5, 2026 | Sell | 4,032 | $75 | $300,000 |
| Andrew Callos | May 1, 2026 | Sell | 15,857 | $65 | $1M |
| Andrew Callos | Apr 30, 2026 | Sell | 15,000 | $63.26 | $950,000 |
| Robert Blum | Apr 29, 2026 | Sell | 7,500 | $59.62 | $450,000 |
| Malik Fady Ibraham | Apr 21, 2026 | Sell | 3,500 | $65.69 | $230,000 |
| Andrew Callos | Apr 15, 2026 | Sell | 7,449 | $66.02 | $490,000 |
| Robert Blum | Apr 15, 2026 | Sell | 7,500 | $65.38 | $490,000 |
| Malik Fady Ibraham | Apr 7, 2026 | Sell | 3,500 | $65.21 | $230,000 |
| Malik Fady Ibraham | Apr 7, 2026 | Sell | 1,000 | $64.75 | $65,000 |
| Robert Blum | Apr 1, 2026 | Sell | 7,500 | $66.63 | $500,000 |
| Andrew Callos | Mar 31, 2026 | Sell | 3,639 | $65 | $240,000 |
| Andrew Callos | Mar 18, 2026 | Sell | 1,930 | $62.07 | $120,000 |
| Robert Blum | Mar 17, 2026 | Sell | 23,928 | $62.15 | $1.5M |
| Robert Blum | Mar 17, 2026 | Sell | 12,673 | $62.15 | $790,000 |
| Sung Lee | Mar 17, 2026 | Sell | 4,935 | $62.15 | $310,000 |
| Andrew Callos | Mar 17, 2026 | Sell | 5,626 | $62.15 | $350,000 |
| Andrew Callos | Mar 17, 2026 | Sell | 2,916 | $62.15 | $180,000 |
| Malik Fady Ibraham | Mar 17, 2026 | Sell | 7,636 | $62.15 | $470,000 |
| Malik Fady Ibraham | Mar 17, 2026 | Sell | 4,397 | $62.15 | $270,000 |
| Andrew Callos | Mar 16, 2026 | Sell | 1,709 | $61.03 | $100,000 |
| Andrew Callos | Mar 9, 2026 | Sell | 2,582 | $60.72 | $160,000 |
| Malik Fady Ibraham | Mar 9, 2026 | Sell | 2,907 | $60.72 | $180,000 |
| Robert Blum | Mar 9, 2026 | Sell | 7,931 | $60.72 | $480,000 |
| Andrew Callos | Mar 5, 2026 | Sell | 15,000 | $61.87 | $930,000 |
| Andrew Callos | Mar 5, 2026 | Sell | 11,000 | $61.88 | $680,000 |
| PARSHALL B LYNNE | Mar 2, 2026 | Sell | 5,000 | $61.21 | $310,000 |
| Andrew Callos | Mar 2, 2026 | Sell | 886 | $61.62 | $55,000 |
| Andrew Callos | Feb 5, 2026 | Sell | 15,000 | $61.93 | $930,000 |
| Andrew Callos | Feb 2, 2026 | Sell | 886 | $62.1 | $55,000 |
| Andrew Callos | Jan 5, 2026 | Sell | 15,000 | $60.28 | $900,000 |
| Andrew Callos | Jan 2, 2026 | Sell | 913 | $62.09 | $57,000 |
| Andrew Callos | Jan 2, 2026 | Sell | 885 | $63.16 | $56,000 |
| Andrew Callos | Dec 29, 2025 | Sell | 1,809 | $62.44 | $110,000 |
| WENDELL WIERENGA | Dec 22, 2025 | Sell | 20,000 | $66.14 | $1.3M |
| Malik Fady Ibraham | Dec 16, 2025 | Sell | 2,200 | $61.24 | $130,000 |
| Andrew Callos | Dec 8, 2025 | Sell | 1,042 | $65.96 | $69,000 |
| Andrew Callos | Dec 5, 2025 | Sell | 52,486 | $65.95 | $3.5M |
| JOHN HENDERSON | Dec 2, 2025 | Sell | 8,750 | $63.9 | $560,000 |
| Malik Fady Ibraham | Dec 2, 2025 | Sell | 2,200 | $63.89 | $140,000 |
| Kaye Edward M. MD | Dec 1, 2025 | Sell | 28,064 | $66.72 | $1.9M |
| Harrington Robert Arthur | Dec 1, 2025 | Sell | 2,150 | $66.8 | $140,000 |
| PARSHALL B LYNNE | Nov 19, 2025 | Sell | 5,000 | $64.73 | $320,000 |
| Malik Fady Ibraham | Nov 18, 2025 | Sell | 2,200 | $66.45 | $150,000 |
| Kaye Edward M. MD | Nov 11, 2025 | Sell | 5,175 | $65.08 | $340,000 |
| Malik Fady Ibraham | Nov 4, 2025 | Sell | 2,295 | $59.55 | $140,000 |
| Robert Blum | Oct 30, 2025 | Sell | 5,000 | $62.86 | $310,000 |
| WENDELL WIERENGA | Oct 27, 2025 | Sell | 4,375 | $58.68 | $260,000 |
| Malik Fady Ibraham | Oct 21, 2025 | Sell | 2,105 | $58.22 | $120,000 |
| Robert Blum | Oct 16, 2025 | Sell | 5,000 | $60.03 | $300,000 |
| Malik Fady Ibraham | Oct 7, 2025 | Sell | 2,000 | $60.56 | $120,000 |
| Kaye Edward M. MD | Oct 6, 2025 | Sell | 6,757 | $60 | $410,000 |
| Robert Blum | Oct 1, 2025 | Sell | 5,000 | $55.05 | $280,000 |
| Kaye Edward M. MD | Sep 30, 2025 | Sell | 6,695 | $55.08 | $370,000 |
| Malik Fady Ibraham | Sep 23, 2025 | Sell | 2,000 | $49.28 | $99,000 |
| Robert Blum | Sep 15, 2025 | Sell | 5,000 | $49.77 | $250,000 |
| Malik Fady Ibraham | Sep 9, 2025 | Sell | 2,000 | $51.29 | $100,000 |
| Kaye Edward M. MD | Sep 2, 2025 | Sell | 6,756 | $50 | $340,000 |
| Harrington Robert Arthur | Sep 2, 2025 | Sell | 2,150 | $48.67 | $100,000 |
| Robert Blum | Sep 2, 2025 | Sell | 5,000 | $48.76 | $240,000 |
| Malik Fady Ibraham | Aug 19, 2025 | Sell | 2,000 | $38.31 | $77,000 |
| Robert Blum | Aug 15, 2025 | Sell | 5,000 | $38.42 | $190,000 |
| Malik Fady Ibraham | Aug 5, 2025 | Sell | 2,000 | $36.34 | $73,000 |
| Robert Blum | Jul 29, 2025 | Sell | 5,000 | $36.45 | $180,000 |
| Malik Fady Ibraham | Jul 22, 2025 | Sell | 2,000 | $37.47 | $75,000 |
| Robert Blum | Jul 14, 2025 | Sell | 5,000 | $38.15 | $190,000 |
| Malik Fady Ibraham | Jul 8, 2025 | Sell | 2,000 | $33.76 | $68,000 |
| Robert Blum | Jul 1, 2025 | Sell | 5,000 | $33.55 | $170,000 |
| Malik Fady Ibraham | Jun 17, 2025 | Sell | 2,000 | $32.91 | $66,000 |
| Robert Blum | Jun 16, 2025 | Sell | 5,000 | $33.8 | $170,000 |
| Kaye Edward M. MD | Jun 5, 2025 | Sell | 3,636 | $32.1 | $120,000 |
| Andrew Callos | Jun 5, 2025 | Sell | 8,659 | $32.04 | $280,000 |
| Malik Fady Ibraham | Jun 3, 2025 | Sell | 2,000 | $31.88 | $64,000 |
| Robert Blum | Jun 2, 2025 | Sell | 5,000 | $31.22 | $160,000 |
| Malik Fady Ibraham | May 20, 2025 | Sell | 2,000 | $31.98 | $64,000 |
| Robert Blum | May 16, 2025 | Sell | 5,000 | $30.93 | $150,000 |
| Muna Bhanji | May 15, 2025 | Sell | 1,454 | $29.73 | $43,000 |
| Malik Fady Ibraham | May 6, 2025 | Sell | 2,000 | $35.01 | $70,000 |
| Andrew Callos | May 5, 2025 | Sell | 4,002 | $36.68 | $150,000 |
| Robert Blum | Apr 29, 2025 | Sell | 5,000 | $40.96 | $200,000 |
| Malik Fady Ibraham | Apr 22, 2025 | Sell | 2,000 | $38.11 | $76,000 |
| WENDALL WIERENGA | Apr 21, 2025 | Sell | 20,000 | $38.46 | $770,000 |
| JOHN HENDERSON | Apr 15, 2025 | Sell | 3,190 | $38.66 | $120,000 |
| Robert Blum | Apr 10, 2025 | Sell | 5,000 | $36.77 | $180,000 |
| Malik Fady Ibraham | Apr 8, 2025 | Sell | 2,000 | $36.18 | $72,000 |
| Andrew Callos | Apr 7, 2025 | Sell | 2,886 | $35.78 | $100,000 |
| Harrington Robert Arthur | Apr 3, 2025 | Sell | 450 | $39.43 | $18,000 |
| Robert Blum | Mar 31, 2025 | Sell | 15,000 | $40.75 | $610,000 |
| Malik Fady Ibraham | Mar 18, 2025 | Sell | 2,000 | $43.58 | $87,000 |
| Robert Blum | Mar 17, 2025 | Sell | 12,648 | $44.38 | $560,000 |
| Robert Blum | Mar 17, 2025 | Sell | 25,000 | $44.65 | $1.1M |
| Andrew Callos | Mar 17, 2025 | Sell | 20,900 | $45.14 | $940,000 |
| Andrew Callos | Mar 17, 2025 | Sell | 2,775 | $44.38 | $120,000 |
| Malik Fady Ibraham | Mar 17, 2025 | Sell | 4,389 | $44.38 | $190,000 |
| Andrew Callos | Mar 14, 2025 | Sell | 100 | $45 | $4,500 |
| Andrew Callos | Mar 13, 2025 | Sell | 26,771 | $43.62 | $1.2M |
| Robert Blum | Mar 6, 2025 | Sell | 16,970 | $43.44 | $740,000 |
| Andrew Callos | Mar 6, 2025 | Sell | 3,341 | $43.27 | $140,000 |
| Malik Fady Ibraham | Mar 6, 2025 | Sell | 8,228 | $43.27 | $360,000 |
| Robert Blum | Mar 5, 2025 | Sell | 25,000 | $43.23 | $1.1M |
| Malik Fady Ibraham | Mar 4, 2025 | Sell | 2,000 | $42.5 | $85,000 |
| Harrington Robert Arthur | Mar 4, 2025 | Sell | 900 | $42.5 | $38,000 |
| Malik Fady Ibraham | Mar 3, 2025 | Sell | 2,449 | $42.88 | $110,000 |
| Andrew Callos | Mar 3, 2025 | Sell | 1,114 | $42.88 | $48,000 |
| Robert Blum | Mar 3, 2025 | Sell | 8,743 | $42.88 | $370,000 |
| Malik Fady Ibraham | Feb 18, 2025 | Sell | 2,000 | $45.98 | $92,000 |
| Malik Fady Ibraham | Feb 4, 2025 | Sell | 2,000 | $48.06 | $96,000 |
| Malik Fady Ibraham | Jan 21, 2025 | Sell | 2,000 | $45.92 | $92,000 |
| Malik Fady Ibraham | Jan 7, 2025 | Sell | 2,000 | $49.32 | $99,000 |
| WENDALL WIERENGA | Dec 16, 2024 | Sell | 742 | $48.61 | $36,000 |
| JOHN HENDERSON | Dec 11, 2024 | Sell | 1,780 | $50.42 | $90,000 |
| Malik Fady Ibraham | Dec 10, 2024 | Sell | 5,300 | $50.63 | $270,000 |
| Malik Fady Ibraham | Dec 10, 2024 | Sell | 2,000 | $50.65 | $100,000 |
| Robert Blum | Dec 2, 2024 | Sell | 5,000 | $50.76 | $250,000 |
| Malik Fady Ibraham | Nov 26, 2024 | Sell | 5,300 | $50.17 | $270,000 |
| Malik Fady Ibraham | Nov 26, 2024 | Sell | 2,000 | $50.14 | $100,000 |
| WENDALL WIERENGA | Nov 25, 2024 | Sell | 742 | $50 | $37,000 |
| Robert Blum | Nov 18, 2024 | Sell | 5,000 | $50.55 | $250,000 |
| Malik Fady Ibraham | Nov 12, 2024 | Sell | 5,300 | $58.48 | $310,000 |
| Malik Fady Ibraham | Nov 12, 2024 | Sell | 1,042 | $58.48 | $61,000 |
| Robert Blum | Nov 1, 2024 | Sell | 5,000 | $51.63 | $260,000 |
| Malik Fady Ibraham | Oct 30, 2024 | Sell | 5,300 | $51.9 | $280,000 |
| Malik Fady Ibraham | Oct 30, 2024 | Sell | 2,000 | $51.93 | $100,000 |
| WENDALL WIERENGA | Oct 28, 2024 | Sell | 4,452 | $52.25 | $230,000 |
| Malik Fady Ibraham | Oct 15, 2024 | Sell | 5,300 | $54.18 | $290,000 |
| Malik Fady Ibraham | Oct 15, 2024 | Sell | 2,000 | $54.2 | $110,000 |
| Robert Blum | Oct 9, 2024 | Sell | 5,000 | $55.61 | $280,000 |
| Malik Fady Ibraham | Oct 1, 2024 | Sell | 5,300 | $52.09 | $280,000 |
| Malik Fady Ibraham | Oct 1, 2024 | Sell | 2,000 | $52.11 | $100,000 |
| Robert Blum | Sep 30, 2024 | Sell | 5,000 | $52.14 | $260,000 |
| Malik Fady Ibraham | Sep 17, 2024 | Sell | 5,300 | $56.77 | $300,000 |
| Malik Fady Ibraham | Sep 17, 2024 | Sell | 2,000 | $56.76 | $110,000 |
| Robert Blum | Sep 16, 2024 | Sell | 5,000 | $55.99 | $280,000 |
| PARSHALL B LYNNE | Sep 9, 2024 | Sell | 5,000 | $54.92 | $270,000 |
| Malik Fady Ibraham | Sep 3, 2024 | Sell | 5,300 | $57.02 | $300,000 |
| Malik Fady Ibraham | Sep 3, 2024 | Sell | 2,084 | $56.99 | $120,000 |
| Robert Blum | Sep 3, 2024 | Sell | 5,000 | $57.03 | $290,000 |
| PARSHALL B LYNNE | Aug 26, 2024 | Sell | 5,000 | $57.26 | $290,000 |
| Malik Fady Ibraham | Aug 20, 2024 | Sell | 5,300 | $56.26 | $300,000 |
| Malik Fady Ibraham | Aug 20, 2024 | Sell | 2,000 | $56.23 | $110,000 |
| Robert Blum | Aug 12, 2024 | Sell | 11,500 | $55.17 | $630,000 |
| PARSHALL B LYNNE | Aug 12, 2024 | Sell | 5,000 | $55.2 | $280,000 |
Frequently Asked Questions: Cytokinetics Insider Trading
In the past 90 days, Cytokinetics insiders have made 0 buys and 17 sells. The net selling may indicate insiders are taking profits or reducing exposure.
The most recent sale was by Andrew Callos who sold 14,000 shares on July 30, 2026. View all transactions in the table on this page.
Insider buying is generally a stronger signal than insider selling, since insiders may sell for personal reasons (diversification, taxes) but typically buy only when they believe the stock is undervalued. AltIndex uses insider transaction patterns alongside 25+ other signals in the AI Score.
Callos Andrew has sold the most CYTK stock in the last 2 years, with a total value of $18M.
The total value of insider transactions for Cytokinetics in the last 2 years is negative, amounting to -$58M. This suggests that insiders have predominantly sold shares, which could reflect various personal or financial considerations rather than a straightforward outlook on the company's future performance.
The analytics provided are estimates and not a substitute for professional advice. All investments involve risks, including possible capital loss.
