SPRB's three largest insider shareholders as of August 04, 2026 are Holdings A/S Novo (TenPercentOwner, 2.55Mn shares), Ralph William Iii Charlton (Chief Medical Officer, 161.34K shares), Javier B. Szwarcberg (Chief Executive Officer, 19.00K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Richard King | Chief Executive Officer | 2,230 | 0 | 06 Jul, 2021 |
| Holdings A/S Novo | - | 2,550,000 | 0 | 25 Mar, 2024 |
| Samir M. Gharib | President And Cfo | 8,263 | 0 | 17 Dec, 2025 |
| Healthcare Partners Llc Parkman | - | 0 | 1,050 | 08 Oct, 2025 |
| Douglas Kirk Ways | Interim Chief Medical Officer | 1,250 | 0 | 21 Jan, 2026 |
| Javier B. Szwarcberg | Chief Executive Officer | 19,004 | 0 | 05 Jan, 2026 |
| Ralph William Iii Charlton | Chief Medical Officer | 161,339 | 0 | 20 Dec, 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 |
|---|---|---|---|---|---|---|---|---|
| 09 Mar, 2026 | Corwin Dale Hooks | Restricted Stock Units | A | 11,000 | $0.00 | 11,000 | D | A |
| 11 Dec, 2025 | Douglas Kirk Ways | Common Stock | A | 1,250 | $0.00 | 1,250 | D | M |
| 11 Dec, 2025 | Douglas Kirk Ways | Common Stock | A | 1,250 | $0.00 | 1,250 | D | M |
| 11 Dec, 2025 | Douglas Kirk Ways | Common Stock | A | 1,250 | $0.00 | 1,250 | D | M |
| 11 Dec, 2025 | Douglas Kirk Ways | Restricted Stock Units | A | 5,000 | $0.00 | 5,000 | D | A |
| 11 Dec, 2025 | Douglas Kirk Ways | Restricted Stock Units | A | 5,000 | $0.00 | 5,000 | D | A |
| 11 Dec, 2025 | Douglas Kirk Ways | Restricted Stock Units | A | 5,000 | $0.00 | 5,000 | D | A |
| 11 Dec, 2025 | Douglas Kirk Ways | Restricted Stock Units | D | 1,250 | $0.00 | 3,750 | D | M |
| 11 Dec, 2025 | Douglas Kirk Ways | Restricted Stock Units | D | 1,250 | $0.00 | 3,750 | D | M |
| 11 Dec, 2025 | Douglas Kirk Ways | Restricted Stock Units | D | 1,250 | $0.00 | 3,750 | D | M |
| 11 Dec, 2025 | Douglas Kirk Ways | Stock Option (Right to Buy) | A | 266 | - | 266 | D | A |
| 11 Dec, 2025 | Douglas Kirk Ways | Stock Option (Right to Buy) | A | 266 | - | 266 | D | A |
| 11 Dec, 2025 | Douglas Kirk Ways | Stock Option (Right to Buy) | A | 266 | - | 266 | D | A |
| 11 Dec, 2025 | Douglas Kirk Ways | Stock Option (Right to Buy) | D | 266 | - | 0 | D | D |
| 11 Dec, 2025 | Douglas Kirk Ways | Stock Option (Right to Buy) | D | 266 | - | 0 | D | D |
| 11 Dec, 2025 | Douglas Kirk Ways | Stock Option (Right to Buy) | D | 266 | - | 0 | D | D |
| 11 Dec, 2025 | Douglas Kirk Ways | Stock Option (Right to Buy) | A | 400 | - | 400 | D | A |
| 11 Dec, 2025 | Douglas Kirk Ways | Stock Option (Right to Buy) | A | 400 | - | 400 | D | A |
| 11 Dec, 2025 | Douglas Kirk Ways | Stock Option (Right to Buy) | A | 400 | - | 400 | D | A |
| 11 Dec, 2025 | Douglas Kirk Ways | Stock Option (Right to Buy) | D | 400 | - | 0 | D | D |