JUNS's three largest insider shareholders as of September 09, 2026 are Christer Rosen (Ceo And Chairman, 276.97K shares), Alison D. Silva (Pres + Chief Business Officer, 112.78K shares), Alison D. Silva (Pres + Chief Business Officer, 2.82K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Christer Rosen | Ceo And Chairman | 276,972 | 0 | 276,972 | 70.6% | 03 Jul, 2025 |
| 2 | Alison D. Silva | Pres + Chief Business Officer | 112,777 | 0 | 112,777 | 28.8% | 03 Jul, 2025 |
| 3 | Saleem Elmasri | Cfo And Secretary | 1,656 | 0 | 1,656 | 0.4% | 07 Jul, 2025 |
| 4 | Allison W Brady | Director | 544 | 0 | 544 | 0.1% | 24 Jan, 2025 |
| 5 | Holger Weis | Director | 270 | 0 | 270 | 0.1% | 24 Jan, 2024 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 31 Jul, 2026 | Andrew Jon Cutler | Director | Acquired A | 472,222 | $0.00 | $0 | 11,806 | Direct |
| 29 Jun, 2026 | Tomas Jan Philipson | Director | Acquired A | 536,428 | $0.00 | $0 | 13,411 | Direct |
| 02 Jun, 2026 | Alison D. Silva | President And Coo | Acquired A | 1,027,304 | $0.00 | $0 | 25,683 | Direct |
| 02 Jun, 2026 | Holger Weis | Director | Acquired A | 100,000 | $0.00 | $0 | 2,500 | Direct |
| 02 Jun, 2026 | Allison W Brady | Director | Acquired A | 100,000 | $0.00 | $0 | 2,500 | Direct |
| 02 Jun, 2026 | Saleem Elmasri | Chief Financial Officer | Acquired A | 525,565 | $0.00 | $0 | 13,139 | Direct |
| 02 Jun, 2026 | Alexander Gustaf Erik Rosen | Chief Administrative Officer | Acquired A | 341,843 | $0.00 | $0 | 8,546 | Direct |
| 02 Jun, 2026 | Christer Rosen | Ceo And Chairman | Acquired A | 747,783 | $0.00 | $0 | 18,695 | Direct |
| 02 Jun, 2026 | Julie B. Kampf | Director | Acquired A | 100,000 | $0.00 | $0 | 2,500 | Direct |
| 02 Jun, 2026 | Nicholas H. Hemmerly | Director | Acquired A | 100,000 | $0.00 | $0 | 2,500 | Direct |
| 02 Jun, 2026 | Marshall A. Hayward | Chief Scientific Officer | Acquired A | 259,231 | $0.00 | $0 | 6,481 | Direct |
| 02 Jul, 2025 | Alison D. Silva | Pres + Chief Business Officer | Acquired A | 255,320 | — | — | 255,320 | Direct |
| 02 Jul, 2025 | Alison D. Silva | Pres + Chief Business Officer | Acquired A | 255,320 | — | — | 255,320 | Direct |
| 02 Jul, 2025 | Alison D. Silva | Pres + Chief Business Officer | Acquired A | 255,320 | — | — | 6,383 | Direct |
| 02 Jun, 2025 | Saleem Elmasri | Cfo And Secretary | Acquired M | 66,293 | $0.00 | $0 | 1,656 | Direct |
| 02 Jul, 2025 | Alison D. Silva | Pres + Chief Business Officer | Acquired A | 255,320 | — | — | 255,320 | Direct |
| 02 Jul, 2025 | Saleem Elmasri | Cfo And Secretary | Acquired A | 102,128 | — | — | 2,553 | Direct |
| 01 Jul, 2025 | Alison D. Silva | Pres + Chief Business Officer | Acquired P | 250 | $1.03 | $257 | 112,277 | Direct |
| 01 Jul, 2025 | Alison D. Silva | Pres + Chief Business Officer | Acquired P | 250 | $1.03 | $257 | 112,277 | Direct |
| 01 Jul, 2025 | Alison D. Silva | Pres + Chief Business Officer | Acquired P | 250 | $1.03 | $257 | 112,277 | Direct |