SLDB's three largest insider shareholders as of June 12, 2026 are Advisors Llc Perceptive (Director, 11.83Mn shares), Capital Life Sciences Investors, Llc Bain (TenPercentOwner, 5.03Mn shares), Capital Management, L.P. Adage (TenPercentOwner, 4.25Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Ian F Smith | - | 134,705 | 0 | 02 Apr, 2026 |
| Advisors Llc Perceptive | - | 0 | 11,833,539 | 21 Feb, 2025 |
| Capital Management, L.P. Ra | - | 0 | 4,192,216 | 12 Jan, 2024 |
| David T Howton | Chief Operating Officer | 105,077 | 0 | 18 Feb, 2026 |
| Capital Management, L.P. Adage | - | 0 | 4,248,084 | 19 Feb, 2025 |
| Adam Koppel | - | 0 | 4,034,582 | 12 Jan, 2024 |
| Alexander Cumbo | President And Ceo | 235,405 | 0 | 18 Feb, 2026 |
| Capital Life Sciences Investors, Llc Bain | - | 0 | 5,034,582 | 21 Feb, 2025 |
| Ilan Ganot | Ceo President | 99,297 | 0 | 29 Jan, 2026 |
| Carl Ashley Morris | Chief Scientific Officer | 19,760 | 0 | 31 Jan, 2023 |
| Joel Solomon Zev Schneider | Chief Operating Officer | 236,270 | 0 | 15 Mar, 2022 |
| Clare Kahn | - | 2,960 | 0 | 13 Mar, 2025 |
| Kevin Tan | Cfo Treasurer | 99,422 | 0 | 18 Feb, 2026 |
| Jessie Hanrahan | Chief Regulatory Officer | 74,318 | 0 | 18 Feb, 2026 |
| Paul Herzich | Chief Technology Officer | 72,638 | 0 | 18 Feb, 2026 |
| Jennifer Marlowe | Cso | 6,998 | 0 | 05 Dec, 2023 |
| Gabriel Brooks | Chief Medical Officer | 95,029 | 0 | 18 Feb, 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 |
|---|---|---|---|---|---|---|---|---|
| 02 Apr, 2026 | Ian F Smith | Common Stock | A | 3,441 | - | 134,705 | D | M |
| 02 Apr, 2026 | Ian F Smith | Restricted Stock Units | D | 3,441 | $0.00 | 10,320 | D | M |
| 09 Mar, 2026 | Advisors Llc Perceptive | Pre-Funded Warrant (right to buy) | A | 8,912,655 | $5.61 | 8,912,655 | I | A |
| 13 Feb, 2026 | Gabriel Brooks | Common Stock | A | 10,937 | - | 95,029 | D | M |
| 13 Feb, 2026 | Ilan Ganot | Common Stock | A | 4,861 | - | 30,132 | I | M |
| 13 Feb, 2026 | Jessie Hanrahan | Common Stock | A | 8,125 | - | 78,452 | D | M |
| 13 Feb, 2026 | Paul Herzich | Common Stock | A | 7,187 | - | 76,254 | D | M |
| 13 Feb, 2026 | Alexander Cumbo | Common Stock | A | 30,031 | - | 252,049 | D | M |
| 13 Feb, 2026 | Kevin Tan | Common Stock | A | 10,625 | - | 104,826 | D | M |
| 13 Feb, 2026 | David T Howton | Common Stock | A | 14,687 | - | 112,546 | D | M |
| 18 Feb, 2026 | Jessie Hanrahan | Common Stock | D | 4,134 | $5.82 | 74,318 | D | S |
| 18 Feb, 2026 | Ilan Ganot | Common Stock | D | 2,658 | $5.82 | 27,474 | I | S |
| 18 Feb, 2026 | Alexander Cumbo | Common Stock | D | 16,644 | $5.82 | 235,405 | D | S |
| 18 Feb, 2026 | Paul Herzich | Common Stock | D | 3,616 | $5.82 | 72,638 | D | S |
| 18 Feb, 2026 | Kevin Tan | Common Stock | D | 5,404 | $5.82 | 99,422 | D | S |
| 18 Feb, 2026 | David T Howton | Common Stock | D | 7,469 | $5.82 | 105,077 | D | S |
| 13 Feb, 2026 | Alexander Cumbo | Restricted Stock Units | D | 30,031 | $0.00 | 60,063 | D | M |
| 13 Feb, 2026 | Gabriel Brooks | Restricted Stock Units | D | 10,937 | $0.00 | 21,876 | D | M |
| 13 Feb, 2026 | Paul Herzich | Restricted Stock Units | D | 7,187 | $0.00 | 14,376 | D | M |
| 13 Feb, 2026 | Kevin Tan | Restricted Stock Units | D | 10,625 | $0.00 | 21,250 | D | M |