Based on data from the past 90 days ending January 10, 2026, Janux Therapeutics's three largest insider shareholders are TenPercentOwner Ventures Xi, L.P. Avalon (4.19Mn shares), TenPercentOwner Corp Bregua (3.75Mn shares), Acting Chief Financial Officer Tighe Reardon (3.51Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Ventures Xi, L.P. Avalon | 4,187,172 | 18 Oct, 2024 | |
| Corp Bregua | 3,749,250 | 16 Jun, 2021 | |
| Tighe Reardon | Acting Chief Financial Officer | 3,512,953 | 16 Jun, 2021 |
| Jay Lichter | 3,347,018 | 24 Oct, 2024 | |
| David Alan Campbell | President And Ceo | 381,582 | 02 Jan, 2026 |
| Advisors Llc Orbimed | 231,098 | 30 Dec, 2021 | |
| Peter A. Thompson | 231,098 | 30 Dec, 2021 | |
| Thomas Diraimondo | Chief Scientific Officer | 155,825 | 02 Jan, 2026 |
| Sheila Gujrathi | 118,889 | 13 Jun, 2025 | |
| Charles M. Winter | Chief Technical Officer | 106,321 | 02 Jan, 2026 |
| Andrew Hollman Meyer | Chief Business Officer | 83,095 | 02 Jan, 2026 |
| Janeen Noel Doyle | Chief Corp. & Bus. Dev. Ofcr | 80,000 | 02 Jan, 2026 |
| Vickie L Capps | 74,098 | 13 Jun, 2025 | |
| Zachariah Mciver | Chief Medical Officer | 52,286 | 02 Jan, 2026 |
| Maria Dobek | Vice President And Accounting | 34,308 | 02 Jan, 2026 |
| Byron Robinson | Chief Strategy Officer | 28,000 | 03 Jan, 2025 |
| Eric Dobmeier | 9,981 | 13 Jun, 2025 | |
| Natasha Hernday | 8,731 | 13 Jun, 2025 | |
| Winston Kung | 6,250 | 13 Jun, 2025 | |
| Capital Management, L.P. Ra | 6,250 | 13 Jun, 2025 | |
| Ronald W Barrett | 6,250 | 13 Jun, 2025 | |
| Jake Simson | 6,250 | 13 Jun, 2025 | |
| Alana B. Mcnulty | 6,250 | 13 Jun, 2025 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 02 Jan, 2026 | David Alan Campbell | Common Stock | A | 96,600 | $0.00 | 381,582 | D | A |
| 02 Jan, 2026 | David Alan Campbell | Common Stock | D | 8,072 | $13.73 | 284,982 | D | S |
| 02 Jan, 2026 | Andrew Hollman Meyer | Common Stock | D | 1,879 | $13.73 | 83,095 | D | S |
| 02 Jan, 2026 | Charles M. Winter | Common Stock | A | 28,600 | $0.00 | 106,321 | D | A |
| 02 Jan, 2026 | Charles M. Winter | Common Stock | D | 2,401 | $13.73 | 77,721 | D | S |
| 02 Jan, 2026 | Thomas Diraimondo | Common Stock | D | 2,505 | $13.73 | 124,425 | D | S |
| 02 Jan, 2026 | Thomas Diraimondo | Common Stock | A | 31,400 | $0.00 | 155,825 | D | A |
| 02 Jan, 2026 | Maria Dobek | Common Stock | D | 1,462 | $13.73 | 15,373 | D | S |
| 02 Jan, 2026 | Maria Dobek | Common Stock | A | 18,935 | $0.00 | 34,308 | D | A |
| 02 Jan, 2026 | Zachariah Mciver | Common Stock | A | 29,000 | $0.00 | 52,286 | D | A |
| 02 Jan, 2026 | Zachariah Mciver | Common Stock | D | 2,714 | $13.73 | 23,286 | D | S |
| 02 Jan, 2026 | Janeen Noel Doyle | Common Stock | A | 36,000 | $0.00 | 80,000 | D | A |
| 01 Dec, 2025 | Andrew Hollman Meyer | Common Stock | D | 2,700 | $32.85 | 85,607 | D | S |
| 01 Dec, 2025 | Andrew Hollman Meyer | Common Stock | A | 3,333 | $10.59 | 88,307 | D | M |
| 01 Dec, 2025 | Andrew Hollman Meyer | Common Stock | D | 633 | $33.52 | 84,974 | D | S |
| 14 Nov, 2025 | Andrew Hollman Meyer | Common Stock | D | 3,333 | $30.00 | 84,974 | D | S |
| 14 Nov, 2025 | Andrew Hollman Meyer | Common Stock | A | 3,333 | $10.59 | 88,307 | D | M |
| 28 Oct, 2025 | Andrew Hollman Meyer | Common Stock | A | 6,666 | $10.59 | 98,804 | D | M |
| 28 Oct, 2025 | Andrew Hollman Meyer | Common Stock | A | 9,999 | $4.21 | 92,138 | D | M |
| 28 Oct, 2025 | Andrew Hollman Meyer | Common Stock | D | 16,665 | $30.06 | 82,139 | D | S |