In the last 12 months, insiders at Climb Bio, Inc. ($CLYM) filed 106 transactions with the SEC: 5 open-market purchases totaling $50,732,442 and 25 sales totaling $4,375,550. Net insider sentiment: net buying.
Climb Bio, Inc. operates in the Pharmaceutical preparations industry (Life sciences sector).
Most Active Insiders
- RA CAPITAL MANAGEMENT, L.P. (Not found) — 12 transactions totaling $50,732,442
- Morisset Valerie (EVP, R&D AND CSO) — 22 transactions totaling $3,446,704
- Thomas Stephen Basil (Not found) — 14 transactions totaling $879,382
- Brennan Aoife (President and CEO) — 7 transactions totaling $25,154
- Pimblett Emily (CHIEF ACCOUNTING OFFICER) — 11 transactions totaling $21,218
View all SEC Filings for Climb Bio, Inc. (CLYM).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 26, 2026 | Thomas Stephen Basil | Not found | S | Common Stock | 16313 | $7.01 | 154,657.0000 | 68,184,435 | 9.54% | 0.02% |
| Feb. 25, 2026 | Thomas Stephen Basil | Not found | S | Common Stock | 33687 | $7.00 | 170,970.0000 | 68,184,435 | 16.46% | 0.05% |
| Feb. 13, 2026 | Thomas Stephen Basil | Not found | S | Common Stock | 10000 | $5.81 | 204,657.0000 | 68,184,435 | 4.66% | 0.01% |
| Feb. 12, 2026 | Thomas Stephen Basil | Not found | S | Common Stock | 90000 | $5.23 | 214,657.0000 | 68,184,435 | 29.54% | 0.13% |
| Jan. 6, 2026 | Brennan Aoife | President and CEO | A | Stock Option (Right to Buy) | 700000 | $0.00 | 700,000.0000 | 68,184,435 | 9999.99% | 1.03% |
| Jan. 6, 2026 | Driscoll Cindy | Senior Vice President, Finance | A | Stock Option (Right to Buy) | 100000 | $0.00 | 100,000.0000 | 68,184,435 | 9999.99% | 0.15% |
| Jan. 6, 2026 | ALTSCHULLER Susan | Chief Financial Officer | A | Stock Option (Right to Buy) | 142500 | $0.00 | 142,500.0000 | 68,184,435 | 9999.99% | 0.21% |
| Jan. 6, 2026 | Wilson Perrin Megan | Chief Business Officer | A | Stock Option (Right to Buy) | 300000 | $0.00 | 300,000.0000 | 68,184,435 | 9999.99% | 0.44% |
| Jan. 5, 2026 | RA CAPITAL MANAGEMENT, L.P. | Not found | P | Common Stock | 7111 | $3.50 | 11,300,939.0000 | 68,184,435 | 0.06% | 0.01% |
| Dec. 11, 2025 | RA CAPITAL MANAGEMENT, L.P. | Not found | D | Common Stock | 20440000 | $0.00 | 10,979,267.0000 | 68,184,435 | 65.06% | 29.98% |
| Dec. 11, 2025 | RA CAPITAL MANAGEMENT, L.P. | Not found | P | Common Stock | 213099 | $2.18 | 11,192,366.0000 | 68,184,435 | 1.94% | 0.31% |
| Dec. 12, 2025 | RA CAPITAL MANAGEMENT, L.P. | Not found | P | Common Stock | 101462 | $2.86 | 11,293,828.0000 | 68,184,435 | 0.91% | 0.15% |
| Dec. 11, 2025 | RA CAPITAL MANAGEMENT, L.P. | Not found | A | Pre-Funded Warrants (Right to Buy) | 20440000 | $0.00 | 20,440,000.0000 | 68,184,435 | 9999.99% | 29.98% |
| Oct. 1, 2025 | ALTSCHULLER Susan | Chief Financial Officer | A | Stock Option (Right to Buy) | 600000 | $0.00 | 600,000.0000 | 67,475,395 | 9999.99% | 0.89% |
| Aug. 7, 2025 | Thomas Stephen Basil | Not found | A | Common Stock | 100375 | $0.00 | 304,657.0000 | 67,475,395 | 49.14% | 0.15% |
| June 27, 2025 | Brennan Aoife | President and CEO | M | Restricted Stock Units | 68750 | $0.00 | 206,250.0000 | 67,475,395 | 25.00% | 0.10% |
| June 30, 2025 | Brennan Aoife | President and CEO | S | Common Stock | 20618 | $1.22 | 48,132.0000 | 67,475,395 | 29.99% | 0.03% |
| June 27, 2025 | Brennan Aoife | President and CEO | M | Common Stock | 68750 | $0.00 | 68,750.0000 | 67,475,395 | 9999.99% | 0.10% |
| June 27, 2025 | Thomas Stephen Basil | Not found | M | Restricted Stock Units | 25094 | $0.00 | 0.0000 | 67,475,395 | 100.00% | 0.04% |
| June 27, 2025 | Thomas Stephen Basil | Not found | M | Common Stock | 25094 | $0.00 | 204,282.0000 | 67,475,395 | 14.00% | 0.04% |
| June 20, 2025 | Pimblett Emily | SVP, Finance & CAO | S | Common Stock | 1242 | $1.24 | 18,888.0000 | 67,475,395 | 6.17% | 0.00% |
| June 17, 2025 | Driscoll Cindy | Senior Vice President, Finance | A | Stock Option (Right to Buy) | 200000 | $0.00 | 200,000.0000 | 67,475,395 | 9999.99% | 0.30% |
| June 18, 2025 | Pimblett Emily | SVP, Finance & CAO | M | Common Stock | 5000 | $0.00 | 20,130.0000 | 67,475,395 | 33.05% | 0.01% |
| June 18, 2025 | Pimblett Emily | SVP, Finance & CAO | M | Restricted Stock Units | 5000 | $0.00 | 15,000.0000 | 67,475,395 | 25.00% | 0.01% |
| June 4, 2025 | Dunn Judith | Not found | A | Stock Option (Right to Buy) | 40000 | $0.00 | 40,000.0000 | 67,475,395 | 9999.99% | 0.06% |
| June 4, 2025 | Drapkin Kimberlee C | Not found | A | Stock Option (Right to Buy) | 40000 | $0.00 | 40,000.0000 | 67,475,395 | 9999.99% | 0.06% |
| June 4, 2025 | Cumbo Alexander | Not found | A | Stock Option (Right to Buy) | 40000 | $0.00 | 40,000.0000 | 67,475,395 | 9999.99% | 0.06% |
| June 4, 2025 | WILLIAMS DOUGLAS E | Not found | A | Stock Option (Right to Buy) | 40000 | $0.00 | 40,000.0000 | 67,475,395 | 9999.99% | 0.06% |
| June 4, 2025 | Thomas Stephen Basil | Not found | A | Stock Option (Right to Buy) | 40000 | $0.00 | 40,000.0000 | 67,475,395 | 9999.99% | 0.06% |
| June 4, 2025 | Levin Andrew David | Not found | A | Stock Option (Right to Buy) | 40000 | $0.00 | 40,000.0000 | 67,475,395 | 9999.99% | 0.06% |
| June 4, 2025 | RA CAPITAL MANAGEMENT, L.P. | Not found | A | Stock Option (Right to Buy) | 40000 | $0.00 | 40,000.0000 | 67,475,395 | 9999.99% | 0.06% |
| March 28, 2025 | Cumbo Alexander | Not found | A | Stock Option (Right to Buy) | 80000 | $0.00 | 80,000.0000 | 67,475,395 | 9999.99% | 0.12% |
| March 28, 2025 | Drapkin Kimberlee C | Not found | A | Stock Option (Right to Buy) | 80000 | $0.00 | 80,000.0000 | 67,475,395 | 9999.99% | 0.12% |
| March 31, 2025 | WILLIAMS DOUGLAS E | Not found | A | Stock Option (Right to Buy) | 78873 | $0.00 | 78,873.0000 | 67,475,395 | 9999.99% | 0.12% |
| March 27, 2025 | Thomas Stephen Basil | Not found | M | Restricted Stock Units | 25093 | $0.00 | 25,094.0000 | 67,475,395 | 50.00% | 0.04% |
| March 27, 2025 | Thomas Stephen Basil | Not found | M | Common Stock | 25093 | $0.00 | 179,188.0000 | 67,475,395 | 16.28% | 0.04% |
| March 20, 2025 | Pimblett Emily | SVP, Finance & CAO | S | Common Stock | 1199 | $1.31 | 15,130.0000 | 0 | 7.34% | 0.00% |
| March 18, 2025 | Pimblett Emily | SVP, Finance & CAO | M | Common Stock | 5000 | $0.00 | 16,329.0000 | 0 | 44.13% | 0.00% |
| March 18, 2025 | Pimblett Emily | SVP, Finance & CAO | M | Restricted Stock Units | 5000 | $0.00 | 20,000.0000 | 0 | 20.00% | 0.00% |
| Jan. 13, 2025 | Brennan Aoife | President and CEO | A | Stock Option (Right to Buy) | 1150000 | $0.00 | 1,150,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 13, 2025 | Kaplan Brett | Chief Operating Officer | A | Stock Option (Right to Buy) | 500000 | $0.00 | 500,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 13, 2025 | Pimblett Emily | SVP, Finance and CAO | A | Stock Option (Right to Buy) | 100000 | $0.00 | 100,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 1, 2025 | Thomas Stephen Basil | Not found | M | Restricted Stock Units | 50188 | $0.00 | 50,187.0000 | 0 | 50.00% | 0.00% |
| Jan. 1, 2025 | Thomas Stephen Basil | Not found | M | Common Stock | 50188 | $0.00 | 154,095.0000 | 0 | 48.30% | 0.00% |
| Dec. 18, 2024 | Pimblett Emily | CHIEF ACCOUNTING OFFICER | M | Restricted Stock Units | 5000 | $0.00 | 25,000.0000 | 0 | 16.67% | 0.00% |
| Dec. 18, 2024 | Pimblett Emily | CHIEF ACCOUNTING OFFICER | M | Common Stock | 5000 | $0.00 | 12,564.0000 | 0 | 66.10% | 0.00% |
| Dec. 19, 2024 | Pimblett Emily | CHIEF ACCOUNTING OFFICER | S | Common Stock | 1235 | $2.02 | 11,329.0000 | 0 | 9.83% | 0.00% |
| Nov. 11, 2024 | WILLIAMS DOUGLAS E | Not found | A | Stock Option (Right to Buy) | 6291 | $0.00 | 6,291.0000 | 0 | 9999.99% | 0.00% |
| Nov. 11, 2024 | WILLIAMS DOUGLAS E | Not found | A | Stock Option (Right to Buy) | 20000 | $0.00 | 20,000.0000 | 0 | 9999.99% | 0.00% |
| Sept. 20, 2024 | Pimblett Emily | CHIEF ACCOUNTING OFFICER | S | Common Stock | 1182 | $8.18 | 7,573.0000 | 0 | 13.50% | 0.00% |
| Sept. 20, 2024 | Pimblett Emily | CHIEF ACCOUNTING OFFICER | S | Common Stock | 9 | $8.06 | 7,564.0000 | 0 | 0.12% | 0.00% |
| Sept. 18, 2024 | Pimblett Emily | CHIEF ACCOUNTING OFFICER | M | Restricted Stock Units | 5000 | $0.00 | 30,000.0000 | 0 | 14.29% | 0.00% |
| Sept. 18, 2024 | Pimblett Emily | CHIEF ACCOUNTING OFFICER | M | Common Stock | 5000 | $0.00 | 8,755.0000 | 0 | 133.16% | 0.00% |
| Aug. 26, 2024 | Kaplan Brett | Chief Operating Officer | A | Restricted Stock Units | 77500 | $0.00 | 77,500.0000 | 0 | 9999.99% | 0.00% |
| Aug. 26, 2024 | Kaplan Brett | Chief Operating Officer | A | Stock Option (Right to Buy) | 465000 | $0.00 | 465,000.0000 | 0 | 9999.99% | 0.00% |
| July 19, 2024 | Morisset Valerie | EVP, R&D AND CSO | S | Common Stock | 10201 | $7.09 | 150,322.0000 | 0 | 6.35% | 0.00% |
| July 22, 2024 | Morisset Valerie | EVP, R&D AND CSO | S | Common Stock | 39005 | $8.07 | 61,317.0000 | 0 | 38.88% | 0.00% |
| July 19, 2024 | Morisset Valerie | EVP, R&D AND CSO | S | Common Stock | 50000 | $7.24 | 100,322.0000 | 0 | 33.26% | 0.00% |
| July 22, 2024 | Morisset Valerie | EVP, R&D AND CSO | S | Common Stock | 30000 | $7.98 | 31,317.0000 | 0 | 48.93% | 0.00% |
| July 17, 2024 | Morisset Valerie | EVP, R&D AND CSO | S | Common Stock | 3207 | $6.91 | 199,099.0000 | 0 | 1.59% | 0.00% |
| July 18, 2024 | Morisset Valerie | EVP, R&D AND CSO | S | Common Stock | 38576 | $6.93 | 160,523.0000 | 0 | 19.38% | 0.00% |
| July 16, 2024 | Morisset Valerie | EVP, R&D AND CSO | S | Common Stock | 50000 | $7.13 | 202,306.0000 | 0 | 19.82% | 0.00% |
| July 12, 2024 | Morisset Valerie | EVP, R&D AND CSO | S | Common Stock | 50000 | $7.07 | 294,683.0000 | 0 | 14.51% | 0.00% |
| July 15, 2024 | Morisset Valerie | EVP, R&D AND CSO | S | Common Stock | 42377 | $7.01 | 252,306.0000 | 0 | 14.38% | 0.00% |
| July 11, 2024 | Morisset Valerie | EVP, R&D AND CSO | S | Common Stock | 50000 | $7.11 | 344,683.0000 | 0 | 12.67% | 0.00% |
| July 9, 2024 | Morisset Valerie | EVP, R&D AND CSO | S | Common Stock | 5931 | $6.66 | 444,683.0000 | 0 | 1.32% | 0.00% |
| July 10, 2024 | Morisset Valerie | EVP, R&D AND CSO | S | Common Stock | 50000 | $6.83 | 394,683.0000 | 0 | 11.24% | 0.00% |
| July 5, 2024 | Morisset Valerie | EVP, R&D AND CSO | S | Common Stock | 12342 | $7.06 | 450,614.0000 | 0 | 2.67% | 0.00% |
| July 3, 2024 | Morisset Valerie | EVP, R&D AND CSO | S | Common Stock | 50000 | $6.76 | 462,956.0000 | 0 | 9.75% | 0.00% |
| July 1, 2024 | Morisset Valerie | EVP, R&D AND CSO | M | Stock Option (Right to Buy) | 7649 | $0.00 | 10,198.0000 | 0 | 42.86% | 0.00% |
| July 1, 2024 | Morisset Valerie | EVP, R&D AND CSO | M | Common Stock | 7649 | $0.00 | 512,956.0000 | 0 | 1.51% | 0.00% |
| June 27, 2024 | RA CAPITAL MANAGEMENT, L.P. | Not found | P | Common Stock | 1059375 | $3.84 | 5,417,638.0000 | 0 | 24.31% | 0.00% |
| June 27, 2024 | RA CAPITAL MANAGEMENT, L.P. | Not found | A | Common Stock | 2479872 | $0.00 | 5,031,135.0000 | 0 | 97.20% | 0.00% |
| June 27, 2024 | RA CAPITAL MANAGEMENT, L.P. | Not found | A | Common Stock | 973000 | $0.00 | 14,123,849.0000 | 0 | 7.40% | 0.00% |
| June 27, 2024 | RA CAPITAL MANAGEMENT, L.P. | Not found | A | Common Stock | 1807000 | $0.00 | 4,358,263.0000 | 0 | 70.83% | 0.00% |
| June 27, 2024 | RA CAPITAL MANAGEMENT, L.P. | Not found | P | Common Stock | 11949171 | $3.84 | 26,073,020.0000 | 0 | 84.60% | 0.00% |
| June 26, 2024 | Levin Andrew David | Executive Chairman | A | Stock Option (Right To Buy) | 10000 | $0.00 | 10,000.0000 | 0 | 9999.99% | 0.00% |
| June 26, 2024 | Rosenberg Adam Joseph | Not found | A | Stock Option (Right To Buy) | 10000 | $0.00 | 10,000.0000 | 0 | 9999.99% | 0.00% |
| June 26, 2024 | Dunn Judith | Not found | A | Stock Option (Right To Buy) | 10000 | $0.00 | 10,000.0000 | 0 | 9999.99% | 0.00% |
| June 26, 2024 | Tate Simon | Not found | A | Stock Option (Right To Buy) | 10000 | $0.00 | 10,000.0000 | 0 | 9999.99% | 0.00% |
| June 26, 2024 | RA CAPITAL MANAGEMENT, L.P. | Not found | A | Stock Option (Right to Buy) | 10000 | $0.00 | 10,000.0000 | 0 | 9999.99% | 0.00% |
| June 26, 2024 | Ratcliffe Liam | Not found | A | Stock Option (Right To Buy) | 10000 | $0.00 | 10,000.0000 | 0 | 9999.99% | 0.00% |
| June 27, 2024 | Brennan Aoife | President and CEO | A | Stock Option (Right to Buy) | 550000 | $0.00 | 550,000.0000 | 0 | 9999.99% | 0.00% |
| June 27, 2024 | Brennan Aoife | President and CEO | A | Restricted Stock Units | 275000 | $0.00 | 275,000.0000 | 0 | 9999.99% | 0.00% |
| June 27, 2024 | Thomas Stephen Basil | Not found | A | Common Stock | 103907 | $0.00 | 103,907.0000 | 0 | 9999.99% | 0.00% |
| June 27, 2024 | Thomas Stephen Basil | Not found | A | Restricted Stock Units | 100375 | $0.00 | 100,375.0000 | 0 | 9999.99% | 0.00% |
| June 18, 2024 | Pimblett Emily | CHIEF ACCOUNTING OFFICER | M | Common Stock | 5000 | $0.00 | 5,000.0000 | 0 | 9999.99% | 0.00% |
| June 20, 2024 | Pimblett Emily | CHIEF ACCOUNTING OFFICER | S | Common Stock | 1245 | $7.21 | 3,755.0000 | 0 | 24.90% | 0.00% |
| June 18, 2024 | Pimblett Emily | CHIEF ACCOUNTING OFFICER | M | Restricted Stock Units | 5000 | $0.00 | 35,000.0000 | 0 | 12.50% | 0.00% |
| April 5, 2024 | Morisset Valerie | EVP, R&D AND CSO | M | Common Stock | 17847 | $0.00 | 505,307.0000 | 0 | 3.66% | 0.00% |
| April 5, 2024 | Morisset Valerie | EVP, R&D AND CSO | M | Stock Option (Right to Buy) | 17847 | $0.00 | 28,046.0000 | 0 | 38.89% | 0.00% |
| March 18, 2024 | Pimblett Emily | CHIEF ACCOUNTING OFFICER | M | Restricted Stock Units | 40000 | $0.00 | 40,000.0000 | 0 | 9999.99% | 0.00% |
| Sept. 20, 2023 | Morisset Valerie | EVP, R&D AND CSO | M | Stock Option (Right to Buy) | 15297 | $0.00 | 45,893.0000 | 0 | 25.00% | 0.00% |
| Sept. 20, 2023 | Morisset Valerie | EVP, R&D AND CSO | M | Stock Option (Right to Buy) | 5431 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Sept. 20, 2023 | Morisset Valerie | EVP, R&D AND CSO | M | Common Stock | 15297 | $0.00 | 487,460.0000 | 0 | 3.24% | 0.00% |
| Sept. 20, 2023 | Morisset Valerie | EVP, R&D AND CSO | M | Common Stock | 5431 | $0.00 | 472,163.0000 | 0 | 1.16% | 0.00% |
| May 18, 2023 | Dunn Judith | Director | A | Stock Option (Right To Buy) | 10000 | $0.00 | 10,000.0000 | 0 | 9999.99% | 0.00% |
| May 18, 2023 | Rosenberg Adam Joseph | Director | A | Stock Option (Right To Buy) | 10000 | $0.00 | 10,000.0000 | 0 | 9999.99% | 0.00% |
| May 18, 2023 | Ratcliffe Liam | Director | A | Stock Option (Right To Buy) | 10000 | $0.00 | 10,000.0000 | 0 | 9999.99% | 0.00% |
| May 18, 2023 | Tate Simon | Director | A | Stock Option (Right To Buy) | 10000 | $0.00 | 10,000.0000 | 0 | 9999.99% | 0.00% |
| May 18, 2023 | RA CAPITAL MANAGEMENT, L.P. | Director | A | Stock Option (Right to Buy) | 10000 | $0.00 | 10,000.0000 | 0 | 9999.99% | 0.00% |
| May 18, 2023 | Levin Andrew David | Executive Chairman | A | Stock Option (Right To Buy) | 10000 | $0.00 | 10,000.0000 | 0 | 9999.99% | 0.00% |
| March 10, 2023 | Morisset Valerie | EVP, R&D and CSO | M | Common Stock | 255219 | $0.00 | 405,541.0000 | 0 | 169.78% | 0.00% |
| March 10, 2023 | Morisset Valerie | EVP, R&D and CSO | M | Stock Option (Right to Buy) | 255219 | $0.00 | 5,431.0000 | 0 | 97.92% | 0.00% |
| March 10, 2023 | Morisset Valerie | EVP, R&D and CSO | M | Common Stock | 61191 | $0.00 | 466,732.0000 | 0 | 15.09% | 0.00% |
| March 10, 2023 | Morisset Valerie | EVP, R&D and CSO | M | Stock Option (Right to Buy) | 61191 | $0.00 | 61,190.0000 | 0 | 50.00% | 0.00% |