Jade Biosciences, Inc. (JBIO) Insider Trading
Directors, officers and holders of more than 10% of JBIO 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 24 most recent of 24 transactions on file: 1 with code P, 0 with code S and 23 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 25, 2026 | Eisner Mark | Director | A Award | 47,675 | Not measured | Not measured |
| Jun 9, 2026 | Lavelle Erin | Director | A Award | 34,843 | Not measured | Not measured |
| Jun 9, 2026 | Klein Lawrence Otto | Director | A Award | 34,843 | Not measured | Not measured |
| Jun 9, 2026 | DOBMEIER ERIC | Director | A Award | 34,843 | Not measured | Not measured |
| Jun 9, 2026 | CAIN CHRISTOPHER W. | Director | A Award | 34,843 | Not measured | Not measured |
| Jun 9, 2026 | Fairmount Funds Management LLC | Director | A Award | 34,843 | Not measured | Not measured |
| Feb 12, 2026 | King Andrew James | See Remarks | A Award | 247,500 | Not measured | Not measured |
| Feb 12, 2026 | Frohlich Tom | Chief Executive Officer | A Award | 472,500 | Not measured | Not measured |
| Feb 12, 2026 | Dahms Bradford D. | Chief Financial Officer | A Award | 37,813 | Not measured | Not measured |
| Feb 12, 2026 | King Andrew James | See Remarks | A Award | 41,250 | Not measured | Not measured |
| Feb 12, 2026 | Balta Elizabeth | See Remarks | A Award | 28,125 | Not measured | Not measured |
| Feb 12, 2026 | Frohlich Tom | Chief Executive Officer | A Award | 78,750 | Not measured | Not measured |
| Feb 12, 2026 | Dahms Bradford D. | Chief Financial Officer | A Award | 226,875 | Not measured | Not measured |
| Feb 12, 2026 | Balta Elizabeth | See Remarks | A Award | 168,750 | Not measured | Not measured |
| Oct 6, 2025 | Fairmount Funds Management LLC | Director | A Award | 1,333,126 | $9.14 | $12,184,772 |
| Oct 6, 2025 | Fairmount Funds Management LLC | Director | A Award | 855,047 | $9.14 | $7,815,044 |
| Jul 14, 2025 | Dahms Bradford D. | Chief Financial Officer | A Award | 526,000 | Not measured | Not measured |
| May 16, 2025 | Frohlich Tom | Chief Executive Officer | P Purchase | 6,000 | $7.40 | $44,400 |
| Apr 29, 2025 | DOBMEIER ERIC | Director | A Award | 23,017 | Not measured | Not measured |
| Apr 29, 2025 | Lavelle Erin | Director | A Award | 23,017 | Not measured | Not measured |
| Apr 29, 2025 | Fairmount Funds Management LLC | Director | A Award | 23,017 | Not measured | Not measured |
| Apr 29, 2025 | Klein Lawrence Otto | Director | A Award | 23,017 | Not measured | Not measured |
| Apr 29, 2025 | CAIN CHRISTOPHER W. | Director | A Award | 23,017 | Not measured | Not measured |
| Apr 28, 2025 | RA CAPITAL MANAGEMENT, L.P. | 10% Owner | J Other | 30,352 | Not measured | Not measured |
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.