As of June 06, 2026, the three largest insider holders of GRAL are Inc. Illumina, (TenPercentOwner, 3.50Mn shares), Chun R Ding (TenPercentOwner, 3.31Mn shares), Robert P Ragusa (Chief Executive Officer, 518.58K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Inc. Illumina, | - | 3,502,126 | 0 | 18 Nov, 2025 |
| Gregory L Summe | - | 39,754 | 0 | 16 Apr, 2026 |
| Steven Mizell | - | 37,071 | 0 | 16 Apr, 2026 |
| Robert P Ragusa | Chief Executive Officer | 518,582 | 0 | 09 Apr, 2026 |
| Chun R Ding | - | 0 | 3,305,055 | 03 Jul, 2025 |
| William J Chase | - | 37,211 | 0 | 16 Apr, 2026 |
| Joshua J. Ofman | President | 371,216 | 0 | 09 Apr, 2026 |
| Aaron Freidin | Chief Financial Officer | 260,669 | 0 | 09 Apr, 2026 |
| Sarah Krevans | - | 37,137 | 0 | 30 May, 2025 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 15 Apr, 2026 | Steven Mizell | Common Stock | A | 396 | $49.79 | 37,071 | D | A |
| 15 Apr, 2026 | Gregory L Summe | Common Stock | A | 631 | $49.79 | 39,754 | D | A |
| 15 Apr, 2026 | William J Chase | Common Stock | A | 408 | $49.79 | 37,211 | D | A |
| 08 Apr, 2026 | Aaron Freidin | Common Stock | D | 45,806 | $49.92 | 260,669 | D | S |
| 08 Apr, 2026 | Joshua J. Ofman | Common Stock | D | 61,665 | $49.92 | 371,216 | D | S |
| 08 Apr, 2026 | Robert P Ragusa | Common Stock | D | 123,502 | $49.92 | 518,582 | D | S |
| 05 Mar, 2026 | Aaron Freidin | Common Stock | D | 655 | $53.01 | 308,967 | D | S |
| 05 Mar, 2026 | Robert P Ragusa | Common Stock | D | 980 | $53.01 | 649,545 | 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 | Robert P Ragusa | Common Stock | D | 258 | $46.73 | 642,084 | D | S |
| 09 Mar, 2026 | Aaron Freidin | Common Stock | D | 85 | $46.74 | 306,475 | D | S |
| 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 | Robert P Ragusa | Common Stock | D | 1,717 | $51.84 | 650,525 | D | S |
| 02 Mar, 2026 | Aaron Freidin | Common Stock | D | 9,135 | $50.09 | 310,060 | 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 |