Robert I Blum

CYTK

Robert I Blum serves as director, officer: President & CEO at Cytokinetics, Incorporated (CYTK). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

108 trades

$50.80M

Net Position

Net Seller

$50.80M

Companies Traded

CYTK

Active Period

Feb 2021 – Mar 2026

108 total trades

Most Recent

Sell CYTK

Mar 10, 2026 · $481.6K

Robert I Blum's Insider Trading at Cytokinetics, Incorporated (CYTK)

Buys

0 · $0.00

Sells

108 · $50.80M

Total Shares Bought

Total Shares Sold

1,184,997

CYTK Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
Mar 10, 2026↗	Sell	7,931	$60.72	$481.6K	391,673
Dec 22, 2025↗	Sell	33,361	$67.70	$2.26M	0
Dec 3, 2025↗	Sell	5,930	$65.02	$385.6K	0
Oct 30, 2025↗	Sell	5,000	$62.86	$314.3K	0
Oct 16, 2025↗	Sell	5,000	$60.03	$300.1K	0
Oct 1, 2025↗	Sell	5,000	$55.05	$275.3K	0
Sep 15, 2025↗	Sell	5,000	$49.77	$248.8K	0
Sep 2, 2025↗	Sell	5,000	$48.76	$243.8K	0
Aug 15, 2025↗	Sell	5,000	$38.42	$192.1K	0
Jul 29, 2025↗	Sell	5,000	$36.45	$182.3K	0
Jul 14, 2025↗	Sell	5,000	$38.15	$190.8K	0
Jul 1, 2025↗	Sell	5,000	$33.55	$167.8K	0
Jun 16, 2025↗	Sell	5,000	$33.80	$169.0K	0
Jun 2, 2025↗	Sell	5,000	$31.22	$156.1K	0
May 16, 2025↗	Sell	5,000	$30.93	$154.7K	0
Apr 29, 2025↗	Sell	5,000	$40.96	$204.8K	0
Apr 10, 2025↗	Sell	5,000	$36.77	$183.8K	0
Mar 31, 2025↗	Sell	15,000	$40.75	$611.3K	0
Mar 17, 2025↗	Sell	37,648	$44.56	$1.68M	0
Mar 6, 2025↗	Sell	16,970	$43.44	$737.2K	0
Mar 5, 2025↗	Sell	25,000	$43.23	$1.08M	0
Mar 3, 2025↗	Sell	8,743	$42.88	$374.9K	0
Dec 3, 2024↗	Sell	5,843	$51.51	$301.0K	0
Dec 2, 2024↗	Sell	5,000	$50.76	$253.8K	0
Nov 18, 2024↗	Sell	5,000	$50.55	$252.8K	0
Nov 1, 2024↗	Sell	5,000	$51.63	$258.1K	0
Oct 9, 2024↗	Sell	5,000	$55.61	$278.1K	0
Sep 30, 2024↗	Sell	5,000	$52.14	$260.7K	0
Sep 16, 2024↗	Sell	5,000	$55.99	$279.9K	0
Sep 3, 2024↗	Sell	5,000	$57.03	$285.1K	0
Aug 12, 2024↗	Sell	11,500	$55.17	$634.5K	0
Jul 30, 2024↗	Sell	11,500	$59.49	$684.1K	0
Jul 10, 2024↗	Sell	11,500	$54.29	$624.3K	0
Jul 1, 2024↗	Sell	11,500	$54.05	$621.6K	0
Jun 17, 2024↗	Sell	22,500	$52.60	$1.18M	0
Jun 4, 2024↗	Sell	22,500	$48.85	$1.10M	0
Mar 4, 2024↗	Sell	42,066	$67.36	$2.83M	0
Feb 13, 2024↗	Sell	12,500	$76.85	$960.6K	0
Jan 31, 2024↗	Sell	12,500	$79.57	$994.6K	0
Jan 19, 2024↗	Sell	12,500	$81.42	$1.02M	0
Jan 2, 2024↗	Sell	12,500	$85.08	$1.06M	0
Dec 18, 2023↗	Sell	12,500	$36.95	$461.9K	0
Nov 30, 2023↗	Sell	12,500	$32.99	$412.4K	0
Nov 15, 2023↗	Sell	12,500	$34.57	$432.1K	0
Oct 30, 2023↗	Sell	12,500	$32.17	$402.1K	0
Oct 16, 2023↗	Sell	12,500	$33.70	$421.3K	0
Oct 6, 2023↗	Sell	12,500	$30.00	$375.0K	0
Sep 13, 2023↗	Sell	12,500	$34.90	$436.2K	0
Aug 25, 2023↗	Sell	12,500	$33.99	$424.9K	0
Aug 1, 2023↗	Sell	12,500	$32.63	$407.9K	0
Jul 13, 2023↗	Sell	12,500	$35.28	$440.9K	0
Jul 3, 2023↗	Sell	12,500	$32.60	$407.5K	0
Jun 12, 2023↗	Sell	12,500	$37.06	$463.3K	0
May 31, 2023↗	Sell	12,500	$37.67	$470.9K	0
May 16, 2023↗	Sell	12,500	$37.41	$467.6K	0
Apr 28, 2023↗	Sell	12,500	$37.68	$471.0K	0
Apr 14, 2023↗	Sell	12,500	$35.61	$445.1K	0
Mar 28, 2023↗	Sell	12,500	$35.05	$438.1K	0
Mar 15, 2023↗	Sell	12,500	$37.26	$465.8K	0
Mar 6, 2023↗	Sell	24,400	$39.54	$964.9K	0
Mar 2, 2023↗	Sell	32,724	$39.60	$1.30M	0
Feb 16, 2023↗	Sell	3,230	$44.13	$142.5K	0
Jan 17, 2023↗	Sell	10,000	$42.43	$424.3K	0
Jan 4, 2023↗	Sell	10,000	$44.24	$442.4K	0
Dec 21, 2022↗	Sell	22,500	$37.50	$843.8K	0
Dec 5, 2022↗	Sell	10,000	$39.30	$393.0K	0
Nov 21, 2022↗	Sell	10,000	$40.89	$408.9K	0
Nov 2, 2022↗	Sell	10,000	$42.17	$421.7K	0
Oct 19, 2022↗	Sell	10,000	$47.86	$478.6K	0
Oct 3, 2022↗	Sell	10,000	$50.40	$504.0K	0
Sep 19, 2022↗	Sell	10,000	$51.42	$514.2K	0
Sep 7, 2022↗	Sell	10,000	$49.11	$491.1K	0
Aug 17, 2022↗	Sell	10,000	$50.11	$501.1K	0
Aug 1, 2022↗	Sell	10,000	$41.26	$412.6K	0
Jul 18, 2022↗	Sell	10,000	$40.49	$404.9K	0
Jul 6, 2022↗	Sell	10,000	$44.38	$443.8K	0
Jun 15, 2022↗	Sell	10,000	$39.40	$394.0K	0
Jun 6, 2022↗	Sell	10,000	$41.23	$412.3K	0
May 16, 2022↗	Sell	10,000	$43.11	$431.1K	0
May 4, 2022↗	Sell	10,000	$39.43	$394.3K	0
Apr 20, 2022↗	Sell	10,000	$37.89	$378.9K	0
Apr 4, 2022↗	Sell	10,000	$38.78	$387.8K	0
Mar 21, 2022↗	Sell	10,000	$36.03	$360.3K	0
Mar 7, 2022↗	Sell	23,799	$36.83	$876.5K	0
Mar 2, 2022↗	Sell	25,866	$37.12	$960.2K	0
Feb 28, 2022↗	Sell	11,329	$35.32	$400.1K	0
Feb 16, 2022↗	Sell	10,000	$36.50	$365.0K	0
Feb 7, 2022↗	Sell	10,000	$33.86	$338.6K	0
Nov 12, 2021↗	Sell	4,143	$39.63	$164.2K	0
Oct 29, 2021↗	Sell	5,000	$35.80	$179.0K	0
Oct 14, 2021↗	Sell	5,000	$37.74	$188.7K	0
Sep 30, 2021↗	Sell	5,000	$34.01	$170.1K	0
Sep 15, 2021↗	Sell	5,000	$32.66	$163.3K	0
Sep 2, 2021↗	Sell	5,000	$33.12	$165.6K	0
Aug 18, 2021↗	Sell	5,000	$31.14	$155.7K	0
Aug 5, 2021↗	Sell	5,000	$29.12	$145.6K	0
Jul 22, 2021↗	Sell	5,000	$29.82	$149.1K	0
Jul 6, 2021↗	Sell	5,000	$20.13	$100.7K	0
Jun 18, 2021↗	Sell	5,000	$21.37	$106.8K	0
Jun 3, 2021↗	Sell	5,000	$20.61	$103.0K	0
May 20, 2021↗	Sell	5,000	$23.71	$118.5K	0
May 7, 2021↗	Sell	5,000	$23.21	$116.0K	0
Apr 30, 2021↗	Sell	5,000	$25.87	$129.4K	0
Apr 12, 2021↗	Sell	5,000	$23.56	$117.8K	0
Mar 22, 2021↗	Sell	5,000	$25.19	$126.0K	0
Mar 8, 2021↗	Sell	28,799	$19.24	$554.2K	0
Mar 1, 2021↗	Sell	9,916	$19.66	$194.9K	0
Feb 26, 2021↗	Sell	28,799	$18.83	$542.4K	0