21 insiders reported 78 Form 4 transactions for Janux Therapeutics, Inc. (JANX) over the past 18 months (most recent 2026-07-31). Recent activity: Campbell David Alan (President and CEO) Sell 123,840 shares, Campbell David Alan (President and CEO) Buy 7,000 shares, Simson Jake (Director) Buy 5,500 shares, CAPPS VICKIE L (Director) Buy 5,500 shares, RA Capital Healthcare Fund LP (Director) Buy 5,500 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-31 | Campbell David Alan | President and CEO | Sell | 123,840 | $0 |
| 2026-07-10 | Campbell David Alan | President and CEO | Buy | 7,000 | $29,470 |
| 2026-06-12 | Simson Jake | Director | Buy | 5,500 | $0 |
| 2026-06-12 | CAPPS VICKIE L | Director | Buy | 5,500 | $0 |
| 2026-06-12 | RA Capital Healthcare Fund LP | Director | Buy | 5,500 | $0 |
| 2026-06-12 | Barrett Ronald W | Director | Buy | 5,500 | $0 |
| 2026-06-12 | RA CAPITAL MANAGEMENT, L.P. | Director | Buy | 5,500 | $0 |
| 2026-06-12 | Kolchinsky Peter | Director | Buy | 5,500 | $0 |
| 2026-06-12 | Shah Rajeev M. | Director | Buy | 5,500 | $0 |
| 2026-06-12 | Kung Winston | Director | Buy | 5,500 | $0 |
| 2026-06-12 | Hernday Natasha | Director | Buy | 5,500 | $0 |
| 2026-06-12 | RA Capital Nexus Fund II, L.P. | Director | Buy | 5,500 | $0 |
| 2026-06-12 | DOBMEIER ERIC | Director | Buy | 5,500 | $0 |
| 2026-06-04 | Doyle Janeen Noel | Chief Corp. & Bus. Dev. Ofcr | Sell | 4,059 | $56,944 |
| 2026-05-13 | Dobek Maria | Vice President, Accounting | Sell | 2,038 | $28,878 |
| 2026-02-04 | Go William | Chief Medical Officer | Buy | 44,000 | $0 |
| 2026-01-02 | Dobek Maria | Vice President, Accounting | Buy | 18,935 | $0 |
| 2026-01-02 | McIver Zachariah | Chief Medical Officer | Sell | 2,714 | $37,263 |
| 2026-01-02 | McIver Zachariah | Chief Medical Officer | Buy | 29,000 | $0 |
| 2026-01-02 | Campbell David Alan | President and CEO | Sell | 8,072 | $110,829 |
| 2026-01-02 | Campbell David Alan | President and CEO | Buy | 96,600 | $0 |
| 2026-01-02 | Winter Charles M. | Chief Technical Officer | Sell | 2,401 | $32,966 |
| 2026-01-02 | Winter Charles M. | Chief Technical Officer | Buy | 28,600 | $0 |
| 2026-01-02 | Meyer Andrew Hollman | Chief Business Officer | Sell | 1,879 | $25,799 |
| 2026-01-02 | Dobek Maria | Vice President, Accounting | Sell | 1,462 | $20,073 |
Source: SEC Form 4 filings · as of 2026-07-31