Grail GRAL Insider Ownership

Updated Oct 21, 2026

Over the trailing 12 months, GRAL insiders sold $117.98 million worth of shares (1.52Mn shares) in open-market trades, with no open-market purchases.

• By number of insiders, Grail saw 5 insiders sell on the open market over the past 12 months and none buy.
• Illumina Inc. (10% owner) was the top open-market seller of Grail over the past 12 months, with $79.85 million sold (1Mn shares) and the latest sale on November 17, 2025.
• Joshua J. Ofman (Chief Executive Officer) made the most recent open-market trade by an insider of Grail, a sale of 20K shares for $2.74 million on October 15, 2026.
• Outside the open market, Grail insiders received 184.9K shares in stock awards and acquired 26.45K shares through option exercises and conversions over the past 12 months.
• Business Quant data shows Grail insiders holding 8.22Mn shares in total in their latest Form 4 filings, or 18.41% of the 44.67Mn shares outstanding; that total is down 1.22% from 8.33Mn shares at the end of Q2 2026 and down 13.09% from 9.46Mn shares at the end of Q3 2025.
• Indirect holdings, through trusts, partnerships, family members and other entities, make up 40.19% (3.31Mn shares) of Grail's insider total, with the other 59.81% (4.92Mn shares) held directly.
• Per Business Quant, 10 insiders of GRAL hold shares, counting officers, directors and 10% owners who have filed a Form 4 in the past two years.
• GRAL's largest insider holders by reported holdings are Illumina Inc. (10% owner, 3.5Mn shares), Chun R. Ding (10% owner, 3.31Mn shares) and Robert P. Ragusa (Chief Executive Officer, 518.58K shares).
• Illumina Inc. alone accounts for 42.58% of the shares held by Grail insiders.
• A total of 39 Form 4 filings with transactions in Grail stock were made over the past 12 months, by 9 insiders.
• The insider holdings and trades above for Grail reflect Form 4 filings through October 16, 2026.