Grail's top three insider shareholders as of March 23, 2026 are Inc. Illumina, (TenPercentOwner, 3.50Mn shares), Robert P Ragusa (Chief Executive Officer, 642.08K shares), Joshua J. Ofman (President, 432.88K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Inc. Illumina, | 3,502,126 | 0 | 18 Nov, 2025 | |
| Robert P Ragusa | Chief Executive Officer | 642,084 | 0 | 09 Mar, 2026 |
| Joshua J. Ofman | President | 432,881 | 0 | 09 Mar, 2026 |
| Aaron Freidin | Chief Financial Officer | 306,475 | 0 | 09 Mar, 2026 |
| Gregory L Summe | 39,123 | 0 | 16 Jan, 2026 | |
| Sarah Krevans | 37,137 | 0 | 30 May, 2025 | |
| William J Chase | 36,803 | 0 | 16 Jan, 2026 | |
| Steven Mizell | 36,675 | 0 | 16 Jan, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 05 Mar, 2026 | Robert P Ragusa | Common Stock | D | 980 | $53.01 | 649,545 | D | S |
| 05 Mar, 2026 | Joshua J. Ofman | Common Stock | D | 690 | $53.01 | 435,818 | D | S |
| 05 Mar, 2026 | Aaron Freidin | Common Stock | D | 655 | $53.01 | 308,967 | D | S |
| 09 Mar, 2026 | Aaron Freidin | Common Stock | D | 2,407 | $47.93 | 306,560 | D | S |
| 09 Mar, 2026 | Robert P Ragusa | Common Stock | D | 7,203 | $47.93 | 642,342 | D | S |
| 09 Mar, 2026 | Joshua J. Ofman | Common Stock | D | 2,836 | $47.93 | 432,982 | D | S |
| 09 Mar, 2026 | Aaron Freidin | Common Stock | D | 85 | $46.74 | 306,475 | D | S |
| 09 Mar, 2026 | Robert P Ragusa | Common Stock | D | 258 | $46.73 | 642,084 | D | S |
| 09 Mar, 2026 | Joshua J. Ofman | Common Stock | D | 101 | $46.74 | 432,881 | D | S |
| 27 Feb, 2026 | Joshua J. Ofman | Common Stock | A | 84,540 | $53.23 | 453,510 | D | A |
| 02 Mar, 2026 | Robert P Ragusa | Common Stock | D | 35,787 | $50.09 | 652,242 | D | S |
| 27 Feb, 2026 | Aaron Freidin | Common Stock | A | 60,118 | $53.23 | 319,195 | D | A |
| 02 Mar, 2026 | Joshua J. Ofman | Common Stock | D | 779 | $51.75 | 452,731 | D | S |
| 02 Mar, 2026 | Aaron Freidin | Common Stock | D | 9,135 | $50.09 | 310,060 | D | S |
| 02 Mar, 2026 | Robert P Ragusa | Common Stock | D | 1,717 | $51.84 | 650,525 | D | S |
| 02 Mar, 2026 | Joshua J. Ofman | Common Stock | D | 16,223 | $50.09 | 436,508 | D | S |
| 02 Mar, 2026 | Aaron Freidin | Common Stock | D | 438 | $51.86 | 309,622 | D | S |
| 15 Jan, 2026 | Gregory L Summe | Common Stock | A | 329 | $97.44 | 39,123 | D | A |
| 15 Jan, 2026 | Steven Mizell | Common Stock | A | 206 | $97.44 | 36,675 | D | A |
| 15 Jan, 2026 | William J Chase | Common Stock | A | 213 | $97.44 | 36,803 | D | A |