Quick Takeaways
- GRAL - GRAIL, Inc. has 11 insiders with reported activity on this page.
- Net insider value flow over the last year: -$134,879,226.
- Recent transaction rows are available for direct filing-level review.
Net insider flow leans to selling over the last 12 months. Net value: -$134,879,226.
$0
Shares: 0
Insiders: 0
$134,879,226
Shares: 2,058,920
Insiders: 5
-$134,879,226
Shares: -2,058,920
Insiders: -5
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 310,267 | $0 | $15,484,662 | -$15,484,662 |
| 3-6 | 0 | 1,101,915 | $0 | $89,246,771 | -$89,246,771 |
| 6-9 | 0 | 104,156 | $0 | $6,180,944 | -$6,180,944 |
| 9-12 | 0 | 542,582 | $0 | $23,966,849 | -$23,966,849 |
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| ILLUMINA, INC. | 10%+ Owner | $279,644,761 | -$79,850,000 | -22% | Filing P/S | 17 Nov 2025 |
| Chun R. Ding | 10%+ Owner | $166,079,013 | -$16,830,151 | -9.2% | Filing P/S | 01 Jul 2025 |
| Robert P. Ragusa | Chief Executive Officer, Director | $25,886,368 | -$15,954,351 | -38% | Filing P/S | 08 Apr 2026 |
| Joshua J. Ofman | President, Director | $18,530,211 | -$14,974,930 | -45% | Filing P/S | 08 Apr 2026 |
| Aaron Freidin | Chief Financial Officer | $13,011,970 | -$7,269,793 | -36% | Filing P/S | 08 Apr 2026 |
| Gregory L. Summe | Director | $3,812,145 | Mixed | 15 Jan 2026 | ||
| William J. Chase | Director | $3,586,084 | Mixed | 15 Jan 2026 | ||
| Steven Mizell | Director | $3,573,612 | Mixed | 15 Jan 2026 | ||
| Sarah Krevans | Director | $1,526,330 | Mixed | 29 May 2025 | ||
| Ankur Dhingra | Director | Mixed | 11 Jun 2024 | |||
| Charles Dadswell | Director | Mixed | 11 Jun 2024 |
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| ILLUMINA, INC. |
3/4/5
13D/G
|
10%+ Owner |
3.2%
from 13D/G
|
3,502,126
|
$279,644,761 | -$79,850,000 | 17 Nov 2025 | |
| BlackRock, Inc. |
13F
13D/G
|
Company |
6.5%
from 13D/G
|
2,958,246
|
$253,196,306 | — | 31 Dec 2025 | |
| Farallon Capital Partners, L.P. |
13D/G
|
Dapice Joshua J. |
5.9%
|
2,342,684
|
$234,502,668 | +$16,316,300 | 31 Dec 2025 | |
| BAKER BROS. ADVISORS LP |
13D/G
13F
|
Company |
5.3%
|
2,085,333
|
$208,741,833 | $0 | 31 Dec 2025 | |
| FARALLON CAPITAL MANAGEMENT LLC |
13F
|
Company |
5.8%
|
2,342,684
|
$200,510,323 | — | 31 Dec 2025 | |
| PRIMECAP MANAGEMENT CO/CA/ |
13D/G
13F
|
Company |
4.7%
|
1,838,684
|
$184,052,268 | -$21,862,340 | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
4.9%
|
1,980,783
|
$169,535,217 | — | 31 Dec 2025 | |
| Chun R. Ding |
3/4/5
|
10%+ Owner |
8.1%
|
3,305,055
|
$166,079,013 | -$16,830,151 | 01 Jul 2025 | |
| STATE STREET CORP |
13F
|
Company |
4.5%
|
1,827,523
|
$156,417,694 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
3.7%
|
1,511,687
|
$129,385,439 | — | 31 Dec 2025 | |
| CRCM LP |
13D/G
13F
|
Company |
5%
|
1,800,651
|
$106,472,314 | -$2,483,456 | 06 Oct 2025 | |
| Arbiter Partners Capital Management LLC |
13F
|
Company |
2.5%
|
1,035,597
|
$88,636,747 | — | 31 Dec 2025 | |
| Deep Track Capital, LP |
13F
|
Company |
2.5%
|
1,022,797
|
$87,541,195 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2%
|
801,503
|
$68,609,317 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
1.7%
|
708,503
|
$60,640,772 | — | 31 Dec 2025 | |
| Sessa Capital (Master), L.P. |
13D/G
|
— |
4.3%
|
1,508,077
|
$56,839,422 | $0 | 30 Apr 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
1.3%
|
536,986
|
$45,960,632 | — | 31 Dec 2025 | |
| Alyeska Investment Group, L.P. |
13F
|
Company |
1.1%
|
442,500
|
$37,873,575 | — | 31 Dec 2025 | |
| RA CAPITAL MANAGEMENT, L.P. |
13F
|
Company |
1.1%
|
428,266
|
$36,655,287 | — | 31 Dec 2025 | |
| Sessa Capital IM, L.P. |
13F
|
Company |
0.9%
|
364,714
|
$31,215,871 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.84%
|
341,427
|
$29,222,737 | — | 31 Dec 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.8%
|
326,845
|
$27,860,273 | — | 31 Dec 2025 | |
| Robert P. Ragusa |
3/4/5
|
Chief Executive Officer, Director |
1.3%
|
518,582
|
$25,886,368 | -$15,954,351 | 08 Apr 2026 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.67%
|
270,827
|
$23,180,083 | — | 31 Dec 2025 | |
| Allianz Asset Management GmbH |
13F
|
Company |
0.66%
|
267,560
|
$22,900,460 | — | 31 Dec 2025 | |
| RAYMOND JAMES FINANCIAL INC |
13F
|
Company |
0.64%
|
258,810
|
$22,151,519 | — | 31 Dec 2025 | |
| PERCEPTIVE ADVISORS LLC |
13F
|
Company |
0.58%
|
237,342
|
$20,314,102 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.53%
|
216,793
|
$18,555,025 | — | 31 Dec 2025 | |
| Joshua J. Ofman |
3/4/5
|
President, Director |
0.91%
|
371,216
|
$18,530,211 | -$14,974,930 | 08 Apr 2026 | |
| UBS Group AG |
13F
|
Company |
0.52%
|
213,178
|
$18,245,904 | — | 31 Dec 2025 | |
| Carnegie Investment Counsel |
13F
|
Company |
0.52%
|
213,050
|
$18,234,950 | — | 31 Dec 2025 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
0.52%
|
210,768
|
$18,041,000 | — | 31 Dec 2025 | |
| TCW GROUP INC |
13F
|
Company |
0.48%
|
197,313
|
$16,888,020 | — | 31 Dec 2025 | |
| FMR LLC |
13F
|
Company |
0.4%
|
163,244
|
$13,972,005 | — | 31 Dec 2025 | |
| Slow Capital, Inc. |
13F
|
Company |
0.4%
|
162,417
|
$13,901,272 | — | 31 Dec 2025 | |
| Douglas Lane & Associates, LLC |
13F
|
Company |
0.4%
|
161,624
|
$13,833,398 | — | 31 Dec 2025 | |
| BIT Capital GmbH |
13F
|
Company |
0.38%
|
156,263
|
$13,374,550 | — | 31 Dec 2025 | |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
0.37%
|
152,574
|
$13,058,809 | — | 31 Dec 2025 | |
| Aaron Freidin |
3/4/5
|
Chief Financial Officer |
0.64%
|
260,669
|
$13,011,970 | -$7,269,793 | 08 Apr 2026 | |
| Newtyn Management, LLC |
13F
|
Company |
0.37%
|
150,000
|
$12,838,500 | — | 31 Dec 2025 | |
| Voleon Capital Management LP |
13F
|
Company |
0.36%
|
147,906
|
$12,659,275 | — | 31 Dec 2025 | |
| FRANKLIN RESOURCES INC |
13F
|
Company |
0.36%
|
146,135
|
$12,507,694 | — | 31 Dec 2025 | |
| BRAIDWELL LP |
13F
|
Company |
0.35%
|
142,755
|
$12,218,400 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.35%
|
141,478
|
$12,109,102 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.34%
|
137,967
|
$11,808,608 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.33%
|
135,808
|
$11,623,752 | — | 31 Dec 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0.31%
|
125,658
|
$10,755,069 | — | 31 Dec 2025 | |
| Aberdeen Group plc |
13F
|
Company |
0.31%
|
124,928
|
$10,692,588 | — | 31 Dec 2025 | |
| 180 WEALTH ADVISORS, LLC |
13F
|
Company |
0.28%
|
115,047
|
$9,846,873 | — | 31 Dec 2025 | |
| CAPITAL FUND MANAGEMENT S.A. |
13F
|
Company |
0.28%
|
113,207
|
$9,689,387 | — | 31 Dec 2025 |
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Aaron Freidin | GRAL | Common Stock | Sale | -15% | $2,286,526 | $49.92 | -45,806 | 260,669 | 08 Apr 2026 | Direct |
| Robert P. Ragusa | GRAL | Common Stock | Sale | -19.2% | $6,164,923 | $49.92 | -123,502 | 518,582 | 08 Apr 2026 | Direct |
| Joshua J. Ofman | GRAL | Common Stock | Sale | -14.2% | $3,078,169 | $49.92 | -61,665 | 371,216 | 08 Apr 2026 | Direct |
| Aaron Freidin | GRAL | Common Stock | Sale | -0.81% | $119,340 | $47.89 | -2,492 | 306,475 | 09 Mar 2026 | Direct |
| Joshua J. Ofman | GRAL | Common Stock | Sale | -0.67% | $140,650 | $47.89 | -2,937 | 432,881 | 09 Mar 2026 | Direct |
| Robert P. Ragusa | GRAL | Common Stock | Sale | -1.15% | $357,296 | $47.89 | -7,461 | 642,084 | 09 Mar 2026 | Direct |
| Aaron Freidin | GRAL | Common Stock | Sale | -0.21% | $34,722 | $53.01 | -655 | 308,967 | 05 Mar 2026 | Direct |
| Joshua J. Ofman | GRAL | Common Stock | Sale | -0.16% | $36,577 | $53.01 | -690 | 435,818 | 05 Mar 2026 | Direct |
| Robert P. Ragusa | GRAL | Common Stock | Sale | -0.15% | $51,950 | $53.01 | -980 | 649,545 | 05 Mar 2026 | Direct |
| Joshua J. Ofman | GRAL | Common Stock | Sale | -3.75% | $852,848 | $50.16 | -17,002 | 436,508 | 02 Mar 2026 | Direct |
| Aaron Freidin | GRAL | Common Stock | Sale | -3% | $480,244 | $50.17 | -9,573 | 309,622 | 02 Mar 2026 | Direct |
| Robert P. Ragusa | GRAL | Common Stock | Sale | -5.45% | $1,881,417 | $50.17 | -37,504 | 650,525 | 02 Mar 2026 | Direct |
| Joshua J. Ofman | GRAL | Common Stock | Award | 22.9% | 84,540 | 453,510 | 27 Feb 2026 | Direct | ||
| Aaron Freidin | GRAL | Common Stock | Award | 23.2% | 60,118 | 319,195 | 27 Feb 2026 | Direct | ||
| William J. Chase | GRAL | Common Stock | Award | 0.58% | 213 | 36,803 | 15 Jan 2026 | Direct | ||
| Gregory L. Summe | GRAL | Common Stock | Award | 0.85% | 329 | 39,123 | 15 Jan 2026 | Direct | ||
| Steven Mizell | GRAL | Common Stock | Award | 0.56% | 206 | 36,675 | 15 Jan 2026 | Direct | ||
| Joshua J. Ofman | GRAL | Common Stock | Sale | -3.4% | $1,300,000 | $100.00 | -13,000 | 368,818 | 03 Dec 2025 | Direct |
| Robert P. Ragusa | GRAL | Common Stock | Sale | -5.49% | $3,809,535 | $95.24 | -40,000 | 688,029 | 03 Dec 2025 | Direct |
| Aaron Freidin | GRAL | Common Stock | Sale | -8.8% | $2,478,818 | $99.15 | -25,000 | 259,077 | 03 Dec 2025 | Direct |
| Aaron Freidin | GRAL | Common Stock | Sale | -0.59% | $134,402 | $79.20 | -1,697 | 284,077 | 17 Nov 2025 | Direct |
| Illumina, Inc. | GRAL | Common stock, par value $0.001 per share | Sale | -22.2% | $79,850,000 | $79.85 | -1,000,000 | 3,502,126 | 17 Nov 2025 | Direct |
| Joshua J. Ofman | GRAL | Common Stock | Sale | -1.58% | $501,409 | $82.01 | -6,114 | 381,818 | 16 Oct 2025 | Direct |
| Robert P. Ragusa | GRAL | Common Stock | Sale | -0.99% | $498,622 | $68.88 | -7,239 | 727,388 | 15 Oct 2025 | Direct |
| Steven Mizell | GRAL | Common Stock | Award | 0.74% | 267 | 36,469 | 15 Oct 2025 | Direct | ||
| Joshua J. Ofman | GRAL | Common Stock | Sale | -2.23% | $673,985 | $76.03 | -8,865 | 387,932 | 15 Oct 2025 | Direct |
| Gregory L. Summe | GRAL | Common Stock | Award | 1.11% | 425 | 38,794 | 15 Oct 2025 | Direct | ||
| William J. Chase | GRAL | Common Stock | Award | 0.76% | 275 | 36,590 | 15 Oct 2025 | Direct | ||
| Joshua J. Ofman | GRAL | Common Stock | Sale | -17% | $5,086,562 | $62.50 | -81,385 | 396,797 | 06 Oct 2025 | Direct |
| Joshua J. Ofman | GRAL | Common Stock | Sale | -1.99% | $620,312 | $64.00 | -9,692 | 478,182 | 02 Oct 2025 | Direct |
| Joshua J. Ofman | GRAL | Common Stock | Sale | -0.85% | $134,548 | $32.02 | -4,202 | 487,874 | 19 Aug 2025 | Direct |
| Aaron Freidin | GRAL | Common Stock | Sale | -0.31% | $28,082 | $32.02 | -877 | 285,143 | 19 Aug 2025 | Direct |
| William J. Chase | GRAL | Common Stock | Award | 1.49% | 533 | 36,315 | 15 Jul 2025 | Direct | ||
| Gregory L. Summe | GRAL | Common Stock | Award | 2.2% | 825 | 38,369 | 15 Jul 2025 | Direct | ||
| Steven Mizell | GRAL | Common Stock | Award | 1.45% | 517 | 36,202 | 15 Jul 2025 | Direct | ||
| Aaron Freidin | GRAL | Common Stock | Sale | -2.72% | $311,440 | $38.93 | -8,000 | 286,020 | 15 Jul 2025 | Direct |
| Chun R. Ding | GRAL | Common Stock | Sale | -9.32% | $16,830,151 | $49.53 | -339,800 | 3,305,055 | 01 Jul 2025 | See Footnotes |
| Joshua J. Ofman | GRAL | Common Stock | Sale | -1.93% | $503,984 | $52.00 | -9,692 | 492,076 | 30 Jun 2025 | Direct |
| Joshua J. Ofman | GRAL | Common Stock | Sale | -1.89% | $410,019 | $42.30 | -9,692 | 501,768 | 12 Jun 2025 | Direct |
| Gregory L. Summe | GRAL | Common Stock | Award | 19.3% | 6,082 | 37,544 | 29 May 2025 | Direct | ||
| William J. Chase | GRAL | Common Stock | Award | 20.5% | 6,082 | 35,782 | 29 May 2025 | Direct | ||
| Steven Mizell | GRAL | Common Stock | Award | 20.6% | 6,082 | 35,685 | 29 May 2025 | Direct | ||
| Sarah Krevans | GRAL | Common Stock | Award | 19.6% | 6,082 | 37,137 | 29 May 2025 | Direct | ||
| Joshua J. Ofman | GRAL | Common Stock | Sale | -8.61% | $1,635,867 | $33.93 | -48,213 | 511,460 | 02 May 2025 | Direct |
| Aaron Freidin | GRAL | Common Stock | Sale | -12.3% | $1,396,220 | $33.93 | -41,150 | 294,020 | 02 May 2025 | Direct |
| Robert P. Ragusa | GRAL | Common Stock | Sale | -11.4% | $3,190,608 | $33.93 | -94,035 | 734,627 | 02 May 2025 | Direct |
| William J. Chase | GRAL | Common Stock | Award | 2.71% | 784 | 29,700 | 15 Apr 2025 | Direct | ||
| Steven Mizell | GRAL | Common Stock | Award | 2.63% | 760 | 29,603 | 15 Apr 2025 | Direct | ||
| Gregory L. Summe | GRAL | Common Stock | Award | 4.01% | 1,212 | 31,462 | 15 Apr 2025 | Direct |