GRAIL, Inc. operates as a commercial-stage healthcare company, which engages in the development of a technology for early detection of cancer. It utilizes machine learning, software, and automation to detect and identify multiple deadly cancer types in earlier stages. The company was founded by Jeffrey T. Huber, William H. Rastetter, Mostafa Ronaghi, and Richard D. Klausner on September 11, 2015 and is headquartered in Menlo Park, CA. |  |
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| Insider Trading |
Relationship |
Date |
Transaction |
Cost |
#Shares |
Value ($) |
#Shares Total |
SEC Form 4 |
| Ofman Joshua J. | President | Aug 19 '25 | Sale | 32.02 | 4,202 | 134,548 | 487,874 | Aug 20 04:24 PM | | Freidin Aaron | Chief Financial Officer | Aug 19 '25 | Sale | 32.02 | 877 | 28,082 | 285,143 | Aug 20 04:23 PM | | Joshua J. Ofman | Officer | Aug 21 '25 | Proposed Sale | 32.80 | 4,511 | 147,964 | | Aug 18 08:34 PM | | Aaron Freidin | Officer | Aug 21 '25 | Proposed Sale | 32.43 | 952 | 30,873 | | Aug 15 09:07 PM | | Freidin Aaron | Chief Financial Officer | Jul 15 '25 | Sale | 38.93 | 8,000 | 311,440 | 286,020 | Jul 17 05:44 PM | | AARON FREIDIN | Officer | Jul 15 '25 | Proposed Sale | 40.18 | 8,000 | 321,440 | | Jul 15 04:43 PM | | DING CHUN R | 10% Owner | Jul 01 '25 | Sale | 49.53 | 339,800 | 16,830,151 | 3,305,055 | Jul 03 04:31 PM | | Ofman Joshua J. | President | Jun 30 '25 | Sale | 52.00 | 9,692 | 503,984 | 492,076 | Jul 01 04:11 PM | | JOSHUA J OFMAN | Officer | Jun 30 '25 | Proposed Sale | 48.39 | 9,692 | 468,996 | | Jun 30 04:21 PM | | Ofman Joshua J. | President | Jun 12 '25 | Sale | 42.30 | 9,692 | 410,019 | 501,768 | Jun 16 04:08 PM | | JOSHUA J OFMAN | Officer | Jun 12 '25 | Proposed Sale | 43.87 | 9,692 | 425,188 | | Jun 12 04:19 PM | | Ofman Joshua J. | President | May 02 '25 | Sale | 33.93 | 48,213 | 1,635,867 | 511,460 | May 05 09:44 PM | | Freidin Aaron | Chief Financial Officer | May 02 '25 | Sale | 33.93 | 41,150 | 1,396,220 | 294,020 | May 05 08:46 PM | | RAGUSA ROBERT P | Chief Executive Officer | May 02 '25 | Sale | 33.93 | 94,035 | 3,190,608 | 734,627 | May 05 08:44 PM | | Aaron Freidin | Officer | May 01 '25 | Proposed Sale | 36.81 | 42,138 | 1,551,100 | | Apr 29 09:06 PM | | Robert Ragusa | Director | May 01 '25 | Proposed Sale | 36.81 | 96,207 | 3,541,380 | | Apr 29 08:29 PM | | Joshua J. Ofman | Officer | May 01 '25 | Proposed Sale | 36.81 | 47,083 | 1,733,136 | | Apr 29 08:19 PM | | RAGUSA ROBERT P | Chief Executive Officer | Mar 07 '25 | Sale | 31.21 | 7,625 | 237,976 | 828,662 | Mar 12 04:07 PM | | Ofman Joshua J. | President | Mar 07 '25 | Sale | 31.20 | 2,109 | 65,801 | 559,673 | Mar 12 04:06 PM | | Freidin Aaron | Chief Financial Officer | Mar 07 '25 | Sale | 31.20 | 1,816 | 56,659 | 335,170 | Mar 12 04:04 PM | | Robert Ragusa | Officer | Mar 05 '25 | Proposed Sale | 36.33 | 9,102 | 330,676 | | Mar 03 08:40 PM | | Joshua J. Ofman | Officer | Mar 05 '25 | Proposed Sale | 36.33 | 2,897 | 105,248 | | Mar 03 08:02 PM | | Aaron Freidin | Officer | Mar 05 '25 | Proposed Sale | 36.33 | 2,560 | 93,005 | | Mar 03 08:00 PM | | Freidin Aaron | Chief Financial Officer | Nov 18 '24 | Sale | 14.02 | 30,452 | 426,937 | 268,277 | Nov 19 04:06 PM | | Aaron Freidin | Officer | Nov 18 '24 | Proposed Sale | 14.80 | 31,721 | 469,471 | | Nov 15 06:38 PM | | RAGUSA ROBERT P | Chief Executive Officer | Oct 15 '24 | Sale | 14.02 | 123,454 | 1,730,825 | 612,661 | Oct 17 06:32 PM | | Robert Ragusa | Officer | Oct 14 '24 | Proposed Sale | 14.49 | 135,454 | 1,962,728 | | Oct 11 06:01 PM | | DING CHUN R | 10% Owner | Oct 03 '24 | Buy | 12.71 | 35,000 | 444,850 | 3,558,655 | Oct 10 07:45 PM | | DING CHUN R | 10% Owner | Oct 02 '24 | Buy | 13.37 | 20,000 | 267,400 | 3,523,655 | Oct 10 07:45 PM | | DING CHUN R | 10% Owner | Oct 09 '24 | Buy | 12.92 | 16,200 | 209,304 | 3,644,855 | Oct 10 07:45 PM | | DING CHUN R | 10% Owner | Oct 01 '24 | Buy | 13.52 | 7,629 | 103,144 | 3,503,655 | Oct 10 07:45 PM |
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