As of June 06, 2026, the three largest insider holders of ADPT are Chad M Robins (Ceo And Chairman, 2.18Mn shares), Harlan S Robins (Chief Scientific Officer, 1.51Mn shares), Tycho Peterson (Chief Financial Officer, 531.55K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Michelle Renee Griffin | - | 15,625 | 0 | 13 Mar, 2026 |
| Leslie Trigg | - | 25,907 | 0 | 08 Mar, 2023 |
| Michael J Pellini | - | 69,690 | 0 | 06 Mar, 2025 |
| Chad M Robins | Ceo And Chairman | 2,180,518 | 0 | 08 Apr, 2026 |
| Francis Lo | Chief People Officer | 271,154 | 0 | 10 Apr, 2026 |
| Kyle Piskel | Chief Financial Officer | 259,840 | 0 | 13 Mar, 2026 |
| Julie Rubinstein | President And Coo | 382,132 | 0 | 24 Apr, 2026 |
| Lance Baldo | Chief Medical Officer | 17,171 | 0 | 10 Mar, 2022 |
| Harlan S Robins | Chief Scientific Officer | 1,512,058 | 0 | 10 Apr, 2026 |
| Sharon Benzeno | Chief Commercial Ofc Imm Med | 272,751 | 0 | 13 Mar, 2026 |
| Stacy L Taylor | Svp And General Counsel | 139,365 | 0 | 23 Aug, 2024 |
| Jyoti Palaniappan | Svp, Diagnostics, T Detect | 9,158 | 0 | 19 Jul, 2021 |
| R Mark Adams | Chief Operating Officer | 175,361 | 0 | 12 Apr, 2023 |
| Susan Bobulsky | Chief Commercial Officer, Mrd | 427,775 | 0 | 13 Mar, 2026 |
| Katey Einterz Owen | - | 88,254 | 0 | 06 Mar, 2026 |
| Nitin Sood | Chief Commercial Officer, Mrd | 214,808 | 0 | 08 Aug, 2023 |
| Tycho Peterson | Chief Financial Officer | 531,553 | 0 | 06 Mar, 2024 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 22 Apr, 2026 | Julie Rubinstein | Common Stock | A | 14,722 | $8.46 | 409,868 | D | M |
| 22 Apr, 2026 | Julie Rubinstein | Common Stock | D | 19,060 | $14.13 | 390,808 | D | S |
| 23 Apr, 2026 | Julie Rubinstein | Common Stock | A | 14,722 | $8.46 | 405,530 | D | M |
| 23 Apr, 2026 | Julie Rubinstein | Common Stock | D | 19,060 | $13.74 | 386,470 | D | S |
| 24 Apr, 2026 | Julie Rubinstein | Common Stock | A | 14,722 | $8.46 | 401,192 | D | M |
| 24 Apr, 2026 | Julie Rubinstein | Common Stock | D | 19,060 | $14.02 | 382,132 | D | S |
| 22 Apr, 2026 | Julie Rubinstein | Stock Option (right to buy) | D | 14,722 | $0.00 | 89,882 | D | M |
| 23 Apr, 2026 | Julie Rubinstein | Stock Option (right to buy) | D | 14,722 | $0.00 | 75,160 | D | M |
| 24 Apr, 2026 | Julie Rubinstein | Stock Option (right to buy) | D | 14,722 | $0.00 | 60,438 | D | M |
| 14 Apr, 2026 | Julie Rubinstein | Common Stock | A | 14,722 | $8.46 | 435,896 | D | M |
| 14 Apr, 2026 | Julie Rubinstein | Common Stock | D | 19,060 | $14.56 | 416,836 | D | S |
| 15 Apr, 2026 | Julie Rubinstein | Common Stock | A | 14,722 | $8.46 | 431,558 | D | M |
| 15 Apr, 2026 | Julie Rubinstein | Common Stock | D | 19,060 | $14.61 | 412,498 | D | S |
| 16 Apr, 2026 | Julie Rubinstein | Common Stock | A | 14,722 | $8.46 | 427,220 | D | M |
| 16 Apr, 2026 | Julie Rubinstein | Common Stock | D | 19,060 | $14.18 | 408,160 | D | S |
| 14 Apr, 2026 | Julie Rubinstein | Stock Option (right to buy) | D | 14,722 | $0.00 | 178,214 | D | M |
| 15 Apr, 2026 | Julie Rubinstein | Stock Option (right to buy) | D | 14,722 | $0.00 | 163,492 | D | M |
| 16 Apr, 2026 | Julie Rubinstein | Stock Option (right to buy) | D | 14,722 | $0.00 | 148,770 | D | M |
| 08 Apr, 2026 | Harlan S Robins | Common Stock | D | 10,000 | $14.85 | 1,512,058 | D | S |
| 08 Apr, 2026 | Francis Lo | Common Stock | A | 2,344 | $3.99 | 293,718 | D | M |