Climb Bio, Inc. (CLYM) Insider Trading
Directors, officers and holders of more than 10% of CLYM report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 60 transactions on file: 3 with code P, 8 with code S and 39 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 15, 2026 | Thomas Stephen Basil | Director | S Sale | 100,000 | $13.67 | $1,366,820 |
| Jun 29, 2026 | Celebi Breanna Maurine | Director | A Award | 70,284 | Not measured | Not measured |
| Jun 29, 2026 | RA CAPITAL MANAGEMENT, L.P. | Director | A Award | 70,284 | Not measured | Not measured |
| Jun 5, 2026 | RA CAPITAL MANAGEMENT, L.P. | Director | A Award | 40,000 | Not measured | Not measured |
| Jun 5, 2026 | Dunn Judith | Director | A Award | 40,000 | Not measured | Not measured |
| Jun 5, 2026 | Thomas Stephen Basil | Director | A Award | 40,000 | Not measured | Not measured |
| Jun 5, 2026 | Cumbo Alexander | Director | A Award | 40,000 | Not measured | Not measured |
| Jun 5, 2026 | WILLIAMS DOUGLAS E | Director | A Award | 40,000 | Not measured | Not measured |
| Jun 5, 2026 | Drapkin Kimberlee C | Director | A Award | 40,000 | Not measured | Not measured |
| Jun 5, 2026 | Levin Andrew David | Director | A Award | 40,000 | Not measured | Not measured |
| Apr 29, 2026 | RA CAPITAL MANAGEMENT, L.P. | Director | A Award | 2,106,000 | $9.50 | $20,006,789 |
| Feb 26, 2026 | Thomas Stephen Basil | Director | S Sale | 16,313 | $7.01 | $114,289 |
| Feb 25, 2026 | Thomas Stephen Basil | Director | S Sale | 33,687 | $7.00 | $235,964 |
| Feb 13, 2026 | Thomas Stephen Basil | Director | S Sale | 10,000 | $5.81 | $58,141 |
| Feb 12, 2026 | Thomas Stephen Basil | Director | S Sale | 90,000 | $5.23 | $470,988 |
| Jan 6, 2026 | ALTSCHULLER Susan | Chief Financial Officer | A Award | 142,500 | Not measured | Not measured |
| Jan 6, 2026 | Brennan Aoife | President and CEO | A Award | 700,000 | Not measured | Not measured |
| Jan 6, 2026 | Wilson Perrin Megan | Chief Business Officer | A Award | 300,000 | Not measured | Not measured |
| Jan 6, 2026 | Driscoll Cindy | Senior Vice President, Finance | A Award | 100,000 | Not measured | Not measured |
| Jan 5, 2026 | RA CAPITAL MANAGEMENT, L.P. | Director | P Purchase | 7,111 | $3.50 | $24,889 |
| Dec 12, 2025 | RA CAPITAL MANAGEMENT, L.P. | Director | P Purchase | 101,462 | $2.86 | $290,181 |
| Dec 11, 2025 | RA CAPITAL MANAGEMENT, L.P. | Director | P Purchase | 213,099 | $2.18 | $464,556 |
| Dec 11, 2025 | RA CAPITAL MANAGEMENT, L.P. | Director | D Disposition | 20,440,000 | Not measured | Not measured |
| Dec 11, 2025 | RA CAPITAL MANAGEMENT, L.P. | Director | A Award | 20,440,000 | Not measured | Not measured |
| Oct 1, 2025 | ALTSCHULLER Susan | Chief Financial Officer | A Award | 600,000 | Not measured | Not measured |
| Aug 7, 2025 | Thomas Stephen Basil | Director | A Award | 100,375 | Not measured | Not measured |
| Jun 30, 2025 | Brennan Aoife | President and CEO | S Sale | 20,618 | $1.22 | $25,154 |
| Jun 27, 2025 | Thomas Stephen Basil | Director | M Exercise | 25,094 | Not measured | Not measured |
| Jun 27, 2025 | Thomas Stephen Basil | Director | M Exercise | 25,094 | Not measured | Not measured |
| Jun 27, 2025 | Brennan Aoife | President and CEO | M Exercise | 68,750 | Not measured | Not measured |
| Jun 27, 2025 | Brennan Aoife | President and CEO | M Exercise | 68,750 | Not measured | Not measured |
| Jun 20, 2025 | Pimblett Emily | SVP, Finance and CAO | S Sale | 1,242 | $1.24 | $1,540 |
| Jun 18, 2025 | Pimblett Emily | SVP, Finance and CAO | M Exercise | 5,000 | Not measured | Not measured |
| Jun 18, 2025 | Pimblett Emily | SVP, Finance and CAO | M Exercise | 5,000 | Not measured | Not measured |
| Jun 17, 2025 | Driscoll Cindy | Senior Vice President, Finance | A Award | 200,000 | Not measured | Not measured |
| Jun 4, 2025 | Cumbo Alexander | Director | A Award | 40,000 | Not measured | Not measured |
| Jun 4, 2025 | Dunn Judith | Director | A Award | 40,000 | Not measured | Not measured |
| Jun 4, 2025 | RA CAPITAL MANAGEMENT, L.P. | Director | A Award | 40,000 | Not measured | Not measured |
| Jun 4, 2025 | WILLIAMS DOUGLAS E | Director | A Award | 40,000 | Not measured | Not measured |
| Jun 4, 2025 | Levin Andrew David | Director | A Award | 40,000 | Not measured | Not measured |
| Jun 4, 2025 | Drapkin Kimberlee C | Director | A Award | 40,000 | Not measured | Not measured |
| Jun 4, 2025 | Thomas Stephen Basil | Director | A Award | 40,000 | Not measured | Not measured |
| Mar 31, 2025 | WILLIAMS DOUGLAS E | Director | A Award | 78,873 | Not measured | Not measured |
| Mar 28, 2025 | Drapkin Kimberlee C | Director | A Award | 80,000 | Not measured | Not measured |
| Mar 28, 2025 | Cumbo Alexander | Director | A Award | 80,000 | Not measured | Not measured |
| Mar 27, 2025 | Thomas Stephen Basil | Director | M Exercise | 25,093 | Not measured | Not measured |
| Mar 27, 2025 | Thomas Stephen Basil | Director | M Exercise | 25,093 | Not measured | Not measured |
| Mar 20, 2025 | Pimblett Emily | SVP, Finance and CAO | S Sale | 1,199 | $1.31 | $1,571 |
| Mar 18, 2025 | Pimblett Emily | SVP, Finance and CAO | M Exercise | 5,000 | Not measured | Not measured |
| Mar 18, 2025 | Pimblett Emily | SVP, Finance and CAO | M Exercise | 5,000 | Not measured | Not measured |
The full Form 4 history is on the CLYM company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.