UPB's three largest insider shareholders as of March 23, 2026 are Erez Chimovits (Director, 4.55Mn shares), Biomedical Innovation Master Investors (Cayman) Ii L.P. Wellington (TenPercentOwner, 894.73K shares), Everett Rand Sutherland (Chief Executive Officer, 75.00K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Erez Chimovits | 0 | 4,554,873 | 17 Oct, 2024 | |
| Biomedical Innovation Master Investors (Cayman) Ii L.P. Wellington | 894,733 | 0 | 15 Oct, 2024 | |
| Everett Rand Sutherland | Chief Executive Officer | 75,000 | 0 | 06 Jan, 2026 |
| Everett Rand Sutherland | Chief Executive Officer | 72,907 | 0 | 17 Mar, 2026 |
| Aaron Deykin | Chief Medical Officer | 33,581 | 0 | 06 Jan, 2026 |
| Aaron Deykin | Chief Medical Officer | 32,687 | 0 | 17 Mar, 2026 |
| Michael Gray | Cfo And Coo | 29,648 | 0 | 17 Mar, 2026 |
| Adam Houghton | Chief Business Officer | 25,000 | 0 | 06 Jan, 2026 |
| Adam Houghton | Chief Business Officer | 24,301 | 0 | 17 Mar, 2026 |
| Allison Ambrose | General Counsel | 17,000 | 0 | 06 Jan, 2026 |
| Allison Ambrose | General Counsel | 16,525 | 0 | 17 Mar, 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 |
|---|---|---|---|---|---|---|---|---|
| 16 Mar, 2026 | Adam Houghton | Common Stock | D | 699 | $9.29 | 24,301 | D | S |
| 16 Mar, 2026 | Aaron Deykin | Common Stock | D | 894 | $9.29 | 32,687 | D | S |
| 16 Mar, 2026 | Allison Ambrose | Common Stock | D | 475 | $9.29 | 16,525 | D | S |
| 16 Mar, 2026 | Everett Rand Sutherland | Common Stock | D | 2,093 | $9.29 | 72,907 | D | S |
| 16 Mar, 2026 | Michael Gray | Common Stock | D | 852 | $9.29 | 29,648 | D | S |
| 02 Jan, 2026 | Allison Ambrose | Common Stock | A | 17,000 | $0.00 | 17,000 | D | A |
| 02 Jan, 2026 | Adam Houghton | Common Stock | A | 25,000 | $0.00 | 25,000 | D | A |
| 02 Jan, 2026 | Aaron Deykin | Common Stock | A | 32,000 | $0.00 | 33,581 | D | A |
| 02 Jan, 2026 | Aaron Deykin | Common Stock | A | 32,000 | $0.00 | 33,581 | D | A |
| 02 Jan, 2026 | Everett Rand Sutherland | Common Stock | A | 75,000 | $0.00 | 75,000 | D | A |
| 02 Jan, 2026 | Adam Houghton | Common Stock | A | 25,000 | $0.00 | 25,000 | D | A |
| 02 Jan, 2026 | Everett Rand Sutherland | Common Stock | A | 75,000 | $0.00 | 75,000 | D | A |
| 02 Jan, 2026 | Allison Ambrose | Common Stock | A | 17,000 | $0.00 | 17,000 | D | A |
| 02 Jan, 2026 | Michael Gray | Common Stock | A | 30,500 | $0.00 | 30,500 | D | A |
| 02 Jan, 2026 | Adam Houghton | Stock Option (Right to Buy) | A | 75,000 | $0.00 | 75,000 | D | A |
| 02 Jan, 2026 | Allison Ambrose | Stock Option (Right to Buy) | A | 51,000 | $0.00 | 51,000 | D | A |
| 02 Jan, 2026 | Michael Gray | Stock Option (Right to Buy) | A | 91,500 | $0.00 | 91,500 | D | A |
| 02 Jan, 2026 | Aaron Deykin | Stock Option (Right to Buy) | A | 96,000 | $0.00 | 96,000 | D | A |
| 02 Jan, 2026 | Everett Rand Sutherland | Stock Option (Right to Buy) | A | 225,000 | $0.00 | 225,000 | D | A |
| 02 Jan, 2026 | Adam Houghton | Stock Option (Right to Buy) | A | 75,000 | $0.00 | 75,000 | D | A |