As of June 09, 2026, Climb Bio's top three insider holders are Eti Llc Ai (TenPercentOwner, 5.01Mn shares), Capital Management, L.P. Ra (Director, 3.40Mn shares), Stephen Basil Thomas (Director, 154.66K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Capital Management, L.P. Ra | - | 0 | 3,403,429 | 07 Jan, 2026 |
| Aoife Brennan | President And Ceo | 48,132 | 0 | 01 Jul, 2025 |
| Valerie Morisset | Evp, Rd And Cso | 31,317 | 0 | 23 Jul, 2024 |
| Eti Llc Ai | - | 5,009,400 | 0 | 16 Aug, 2021 |
| Emily Pimblett | Svp, Finance Cao | 18,888 | 0 | 20 Jun, 2025 |
| Stephen Basil Thomas | - | 154,657 | 0 | 27 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 |
|---|---|---|---|---|---|---|---|---|
| 25 Feb, 2026 | Stephen Basil Thomas | Common Stock | D | 33,687 | $7.00 | 170,970 | D | S |
| 25 Feb, 2026 | Stephen Basil Thomas | Common Stock | D | 33,687 | $7.00 | 170,970 | D | S |
| 26 Feb, 2026 | Stephen Basil Thomas | Common Stock | D | 16,313 | $7.01 | 154,657 | D | S |
| 26 Feb, 2026 | Stephen Basil Thomas | Common Stock | D | 16,313 | $7.01 | 154,657 | D | S |
| 12 Feb, 2026 | Stephen Basil Thomas | Common Stock | D | 90,000 | $5.23 | 214,657 | D | S |
| 12 Feb, 2026 | Stephen Basil Thomas | Common Stock | D | 90,000 | $5.23 | 214,657 | D | S |
| 13 Feb, 2026 | Stephen Basil Thomas | Common Stock | D | 10,000 | $5.81 | 204,657 | D | S |
| 13 Feb, 2026 | Stephen Basil Thomas | Common Stock | D | 10,000 | $5.81 | 204,657 | D | S |
| 06 Jan, 2026 | Perrin Megan Wilson | Stock Option (Right to Buy) | A | 300,000 | $0.00 | 300,000 | D | A |
| 06 Jan, 2026 | Susan Altschuller | Stock Option (Right to Buy) | A | 142,500 | $0.00 | 142,500 | D | A |
| 06 Jan, 2026 | Perrin Megan Wilson | Stock Option (Right to Buy) | A | 300,000 | $0.00 | 300,000 | D | A |
| 06 Jan, 2026 | Aoife Brennan | Stock Option (Right to Buy) | A | 700,000 | $0.00 | 700,000 | D | A |
| 06 Jan, 2026 | Cindy Driscoll | Stock Option (Right to Buy) | A | 100,000 | $0.00 | 100,000 | D | A |
| 05 Jan, 2026 | Capital Management, L.P. Ra | Common Stock | A | 7,111 | $3.50 | 3,403,429 | I | P |
| 11 Dec, 2025 | Capital Management, L.P. Ra | Common Stock | D | 20,440,000 | $0.00 | 3,081,757 | I | D |
| 11 Dec, 2025 | Capital Management, L.P. Ra | Common Stock | A | 213,099 | $2.18 | 3,294,856 | I | P |
| 12 Dec, 2025 | Capital Management, L.P. Ra | Common Stock | A | 101,462 | $2.86 | 3,396,318 | I | P |
| 11 Dec, 2025 | Capital Management, L.P. Ra | Pre-Funded Warrants (Right to Buy) | A | 20,440,000 | - | 20,440,000 | I | A |
| 01 Oct, 2025 | Susan Altschuller | Stock Option (Right to Buy) | A | 600,000 | $0.00 | 600,000 | D | A |
| 07 Aug, 2025 | Stephen Basil Thomas | Common Stock | A | 100,375 | $0.00 | 304,657 | D | A |