AMRN's three largest insider shareholders as of September 29, 2026 are Aaron Berg (President And Ceo, 881.54K shares), Steven B Ketchum (Chief Scientific Officer, 747.00K shares), Michael Wayne Kalb (Svp And Cfo, 337.31K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Aaron Berg | President And Ceo | 1,047,903 | 0 | 1,047,903 | 31.0% | 30 Jun, 2026 |
| 2 | Steven B Ketchum | Evp, Chief Scientific Officer | 789,681 | 0 | 789,681 | 23.4% | 01 Jul, 2026 |
| 3 | Michael Wayne Kalb | Svp And Cfo | 337,314 | 0 | 337,314 | 10.0% | 02 Aug, 2022 |
| 4 | Patrick Holt | President And Ceo | 314,426 | 0 | 314,426 | 9.3% | 24 Jan, 2024 |
| 5 | Karim Mikhail | President And Ceo | 283,507 | 0 | 283,507 | 8.4% | 23 Feb, 2023 |
| 6 | Joseph S Zakrzewski | Chief Executive Officer | 196,547 | 0 | 196,547 | 5.8% | 16 Dec, 2021 |
| 7 | Olsen Per Wold | Director | 171,027 | 0 | 171,027 | 5.1% | 23 Feb, 2023 |
| 8 | Thomas Charles Reilly | Evp And Cfo | 94,305 | 0 | 94,305 | 2.8% | 01 Jul, 2024 |
| 9 | Peter L. Fishman | Svp, Cfo | 91,816 | 0 | 91,816 | 2.7% | 03 Aug, 2026 |
| 10 | Jason M. Marks | Evp,Chief Global Legal Officer | 21,917 | 0 | 21,917 | 0.6% | 23 Aug, 2022 |
| 11 | David Paul Keenan | Evp, Chief Operating Officer | 13,470 | 0 | 13,470 | 0.4% | 01 Jul, 2026 |
| 12 | Jonathan Provoost | Evp, Chief Legal Officer | 4,624 | 0 | 4,624 | 0.1% | 01 Jul, 2026 |
| 13 | Louis Iii Sterling | Director | 4,049 | 0 | 4,049 | 0.1% | 21 Apr, 2026 |
| 14 | Diane E. Sullivan | Director | 836 | 0 | 836 | 0.0% | 21 Apr, 2026 |
| 15 | Patrice Eadon Bonfiglio | Director | 836 | 0 | 836 | 0.0% | 21 Apr, 2026 |
| 16 | Keith Horn | Director | 836 | 0 | 836 | 0.0% | 21 Apr, 2026 |
| 17 | Paul Cohen | Director | 836 | 0 | 836 | 0.0% | 21 Apr, 2026 |
| 18 | Kostas D Odysseas | Director | 836 | 0 | 836 | 0.0% | 21 Apr, 2026 |
| 19 | Oliver O'Connor | Director | 801 | 0 | 801 | 0.0% | 21 Apr, 2026 |
| 20 | Mark Dipaolo | Director | 401 | 0 | 401 | 0.0% | 22 Apr, 2025 |
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 |
|---|---|---|---|---|---|---|---|---|
| 01 Aug, 2026 | Peter L. Fishman | Svp, Cfo | Acquired M | 313 | — | — | 7,774 | Direct |
| 01 Aug, 2026 | Peter L. Fishman | Svp, Cfo | Disposed F | 155 | $14.26 | $2.21K | 7,619 | Direct |
| 01 Aug, 2026 | Peter L. Fishman | Svp, Cfo | Acquired A | 313 | $0.00 | $0 | 0 | Direct |
| 01 Jul, 2026 | Steven B Ketchum | Evp, Chief Scientific Officer | Acquired M | 3,688 | — | — | 44,567 | Direct |
| 01 Jul, 2026 | Jonathan Provoost | Evp, Chief Legal Officer | Acquired M | 3,688 | — | — | 5,888 | Direct |
| 01 Jul, 2026 | Peter L. Fishman | Svp, Cfo | Acquired M | 2,447 | — | — | 8,667 | Direct |
| 01 Jul, 2026 | David Paul Keenan | Evp, Chief Operating Officer | Acquired M | 3,688 | — | — | 15,396 | Direct |
| 01 Jul, 2026 | Peter L. Fishman | Svp, Cfo | Disposed F | 1,206 | $15.94 | $19.22K | 7,461 | Direct |
| 01 Jul, 2026 | David Paul Keenan | Evp, Chief Operating Officer | Disposed F | 1,926 | $15.94 | $30.70K | 13,470 | Direct |
| 01 Jul, 2026 | Jonathan Provoost | Evp, Chief Legal Officer | Disposed F | 1,264 | $15.94 | $20.15K | 4,624 | Direct |
| 01 Jul, 2026 | Steven B Ketchum | Evp, Chief Scientific Officer | Disposed F | 1,887 | $15.94 | $30.08K | 42,680 | Direct |
| 01 Jul, 2026 | David Paul Keenan | Evp, Chief Operating Officer | Acquired A | 3,688 | $0.00 | $0 | 0 | Direct |
| 01 Jul, 2026 | Jonathan Provoost | Evp, Chief Legal Officer | Acquired A | 3,688 | $0.00 | $0 | 0 | Direct |
| 01 Jul, 2026 | Steven B Ketchum | Evp, Chief Scientific Officer | Acquired A | 3,688 | $0.00 | $0 | 0 | Direct |
| 01 Jul, 2026 | Peter L. Fishman | Svp, Cfo | Acquired A | 2,447 | $0.00 | $0 | 0 | Direct |
| 26 Jun, 2026 | Aaron Berg | President And Ceo | Acquired M | 6,250 | — | — | 88,845 | Direct |
| 26 Jun, 2026 | Aaron Berg | President And Ceo | Disposed F | 3,197 | $16.35 | $52.27K | 85,648 | Direct |
| 26 Jun, 2026 | Aaron Berg | President And Ceo | Acquired M | 6,250 | $0.00 | $0 | 6,250 | Direct |
| 18 Apr, 2026 | Keith Horn | Director | Acquired M | 838 | — | — | 1,239 | Direct |
| 18 Apr, 2026 | Kostas D Odysseas | Director | Acquired M | 838 | — | — | 1,239 | Direct |