GRAIL, Inc. (GRAL)

Latest Insider Confidence Score

2026Q1

35.3
Bearish

Company insider confidence (by quarter)

2024Q2 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Illumina, Inc. 10% Owner 3,502,126 Nov 18, 2025
Ding Chun R 10% Owner 3,305,055 Jul 3, 2025
Ragusa Robert P CEO 728,029 Dec 5, 2025
Ofman Joshua J. President 381,818 Dec 5, 2025
Freidin Aaron CFO 284,077 Dec 5, 2025

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Feb 27, 2026 Mar 3, 2026 Ofman Joshua J. President Sell 97.5 +67,538 18.30% $852.8K
Feb 27, 2026 Mar 3, 2026 Freidin Aaron CFO Sell 97.5 +50,545 19.51% $480.2K
Mar 2, 2026 Mar 3, 2026 RAGUSA ROBERT P CEO Sell 37.5 -37,504 -5.45% $1.9M
Jan 15, 2026 Jan 16, 2026 CHASE WILLIAM J Director Neutral 67.5 +213 0.58% -
Jan 15, 2026 Jan 16, 2026 SUMME GREGORY L Director Neutral 67.5 +329 0.85% -
Jan 15, 2026 Jan 16, 2026 MIZELL STEVEN Director Neutral 67.5 +206 0.56% -
Dec 3, 2025 Dec 5, 2025 Ofman Joshua J. President Sell 17.5 -13,000 -3.40% $1.3M
Dec 3, 2025 Dec 5, 2025 RAGUSA ROBERT P CEO Sell 17.5 -40,000 -5.49% $3.8M
Dec 3, 2025 Dec 5, 2025 Freidin Aaron CFO Sell 17.5 -25,000 -8.80% $2.5M
Nov 17, 2025 Nov 19, 2025 Freidin Aaron CFO Sell 45.0 -1,697 -0.59% $134.4K
Nov 17, 2025 Nov 18, 2025 ILLUMINA, INC. 10% Owner Sell 15.0 -1,000,000 -22.21% $79.9M
Oct 15, 2025 Oct 16, 2025 RAGUSA ROBERT P CEO Sell 42.5 -7,239 -0.99% $498.6K
Oct 15, 2025 Oct 16, 2025 MIZELL STEVEN Director Neutral 67.5 +267 0.74% -
Oct 15, 2025 Oct 16, 2025 Ofman Joshua J. President Sell 32.5 -14,979 -3.77% $1.2M
Oct 15, 2025 Oct 16, 2025 SUMME GREGORY L Director Neutral 77.5 +425 1.11% -
Oct 15, 2025 Oct 16, 2025 CHASE WILLIAM J Director Neutral 67.5 +275 0.76% -
Oct 6, 2025 Oct 8, 2025 Ofman Joshua J. President Sell 16.3 -81,385 -17.02% $5.1M
Oct 2, 2025 Oct 3, 2025 Ofman Joshua J. President Sell 42.5 -9,692 -1.99% $620.3K
Aug 19, 2025 Aug 20, 2025 Ofman Joshua J. President Sell 32.5 -4,202 -0.85% $134.5K
Aug 19, 2025 Aug 20, 2025 Freidin Aaron CFO Sell 43.8 -877 -0.31% $28.1K
Jul 15, 2025 Jul 17, 2025 CHASE WILLIAM J Director Neutral 77.5 +533 1.49% -
Jul 15, 2025 Jul 17, 2025 SUMME GREGORY L Director Neutral 77.5 +825 2.20% -
Jul 15, 2025 Jul 17, 2025 MIZELL STEVEN Director Neutral 77.5 +517 1.45% -
Jul 15, 2025 Jul 17, 2025 Freidin Aaron CFO Sell 38.8 -8,000 -2.72% $311.4K
Jul 1, 2025 Jul 3, 2025 DING CHUN R 10% Owner Sell 15.0 -339,800 -9.32% $16.8M
Jun 30, 2025 Jul 1, 2025 Ofman Joshua J. President Sell 42.5 -9,692 -1.93% $504K
Jun 12, 2025 Jun 16, 2025 Ofman Joshua J. President Sell 42.5 -9,692 -1.89% $410K
May 29, 2025 May 30, 2025 SUMME GREGORY L Director Neutral 90.0 +6,082 19.33% -
May 29, 2025 May 30, 2025 CHASE WILLIAM J Director Neutral 90.0 +6,082 20.48% -
May 29, 2025 May 30, 2025 MIZELL STEVEN Director Neutral 90.0 +6,082 20.55% -
May 29, 2025 May 30, 2025 Krevans Sarah Director Neutral 90.0 +6,082 19.58% -
May 2, 2025 May 5, 2025 Ofman Joshua J. President Sell 17.5 -48,213 -8.61% $1.6M
May 2, 2025 May 5, 2025 Freidin Aaron CFO Sell 17.5 -41,150 -12.28% $1.4M
May 2, 2025 May 5, 2025 RAGUSA ROBERT P CEO Sell 17.5 -94,035 -11.35% $3.2M
Apr 15, 2025 Apr 16, 2025 CHASE WILLIAM J Director Neutral 82.5 +784 2.71% -
Apr 15, 2025 Apr 16, 2025 MIZELL STEVEN Director Neutral 82.5 +760 2.63% -
Apr 15, 2025 Apr 16, 2025 SUMME GREGORY L Director Neutral 82.5 +1,212 4.01% -
Mar 11, 2025 Apr 3, 2025 Freidin Aaron CFO Sell 32.5 -1,816 -0.54% $56.7K
Mar 11, 2025 Apr 3, 2025 RAGUSA ROBERT P CEO Sell 32.5 -7,625 -0.91% $238K
Mar 11, 2025 Apr 3, 2025 Ofman Joshua J. President Sell 40.0 -2,109 -0.38% $65.8K
Mar 7, 2025 Mar 12, 2025 RAGUSA ROBERT P CEO Sell 32.5 -7,625 -0.91% $238K
Mar 7, 2025 Mar 12, 2025 Ofman Joshua J. President Sell 40.0 -2,109 -0.38% $65.8K
Mar 7, 2025 Mar 12, 2025 Freidin Aaron CFO Sell 32.5 -1,816 -0.54% $56.7K
Mar 5, 2025 Mar 6, 2025 Freidin Aaron CFO Sell 51.3 -521 -0.15% $21.6K
Mar 5, 2025 Mar 6, 2025 Ofman Joshua J. President Sell 51.3 -525 -0.09% $21.8K
Mar 5, 2025 Mar 6, 2025 RAGUSA ROBERT P CEO Sell 51.3 -994 -0.12% $41.3K
Feb 3, 2025 Feb 4, 2025 Freidin Aaron CFO Neutral 90.0 +69,230 25.81% -
Feb 3, 2025 Feb 4, 2025 Ofman Joshua J. President Neutral 90.0 +110,770 24.53% -
Feb 3, 2025 Feb 4, 2025 RAGUSA ROBERT P CEO Neutral 90.0 +224,620 36.66% -
Jan 15, 2025 Jan 16, 2025 CHASE WILLIAM J Director Neutral 82.5 +1,182 4.26% -
Jan 15, 2025 Jan 16, 2025 MIZELL STEVEN Director Neutral 82.5 +1,147 4.14% -
Jan 15, 2025 Jan 16, 2025 SUMME GREGORY L Director Neutral 85.0 +1,828 6.43% -
Nov 18, 2024 Nov 19, 2024 Freidin Aaron CFO Sell 20.0 -30,452 -10.19% $426.9K
Nov 1, 2024 Nov 5, 2024 Ofman Joshua J. President Neutral 52.5 - 0.00% -
Oct 21, 2024 Nov 1, 2024 Krevans Sarah Director Neutral 90.0 +31,055 100.00% -
Oct 30, 2024 Nov 1, 2024 CHASE WILLIAM J Director Neutral 67.5 +210 0.76% -
Oct 30, 2024 Nov 1, 2024 MIZELL STEVEN Director Neutral 67.5 +248 0.90% -
Oct 30, 2024 Nov 1, 2024 SUMME GREGORY L Director Neutral 77.5 +296 1.05% -
Oct 23, 2024 Krevans Sarah Director Neutral 52.5 - 0.00% -
Oct 15, 2024 Oct 17, 2024 MIZELL STEVEN Director Neutral 82.5 +978 3.69% -
Oct 15, 2024 Oct 17, 2024 SUMME GREGORY L Director Neutral 85.0 +1,656 6.26% -
Oct 15, 2024 Oct 17, 2024 CHASE WILLIAM J Director Neutral 82.5 +1,054 3.98% -
Oct 15, 2024 Oct 17, 2024 RAGUSA ROBERT P CEO Sell 17.5 -123,454 -16.77% $1.7M
Oct 1, 2024 Oct 10, 2024 DING CHUN R 10% Owner Buy 92.5 +148,829 4.26% $1.9M
Oct 9, 2024 DING CHUN R 10% Owner Neutral 52.5 - 0.00% -
Oct 3, 2024 Oct 7, 2024 RAGUSA ROBERT P CEO Neutral 90.0 +260,080 54.63% -
Oct 3, 2024 Oct 7, 2024 Ofman Joshua J. President Neutral 90.0 +259,780 135.47% -
Oct 3, 2024 Oct 7, 2024 Freidin Aaron CFO Neutral 90.0 +125,300 72.25% -
Aug 21, 2024 Aug 22, 2024 Freidin Aaron CFO Sell 20.0 -15,641 -8.27% $254.1K
Aug 21, 2024 Aug 22, 2024 Ofman Joshua J. President Sell 17.5 -74,084 -27.87% $1.2M
Jun 28, 2024 Jul 2, 2024 RAGUSA ROBERT P CEO Neutral 90.0 +475,178 55446.67% -
Jun 28, 2024 Jul 2, 2024 Freidin Aaron CFO Neutral 90.0 +187,636 13084.80% -
Jun 28, 2024 Jul 2, 2024 Ofman Joshua J. President Neutral 90.0 +257,912 3252.77% -
Jun 25, 2024 Jun 27, 2024 SUMME GREGORY L Director Neutral 90.0 +26,470 100.00% -
Jun 25, 2024 Jun 27, 2024 MIZELL STEVEN Director Neutral 90.0 +26,470 100.00% -
Jun 25, 2024 Jun 27, 2024 CHASE WILLIAM J Director Neutral 90.0 +26,470 100.00% -
Jun 21, 2024 MIZELL STEVEN Director Neutral 52.5 - 0.00% -
Jun 21, 2024 SUMME GREGORY L Director Neutral 52.5 - 0.00% -
Jun 12, 2024 Dhingra Ankur Director Neutral 52.5 - 0.00% -
Jun 12, 2024 Dadswell Charles Director Neutral 52.5 - 0.00% -
Jun 11, 2024 CHASE WILLIAM J Director Neutral 52.5 - 0.00% -
Jun 3, 2024 Freidin Aaron CFO Neutral 52.5 - 0.00% -
Jun 3, 2024 Ofman Joshua J. President Neutral 52.5 - 0.00% -
Jun 3, 2024 RAGUSA ROBERT P CEO Neutral 52.5 - 0.00% -