Alkermes's three largest insider shareholders as of September 29, 2026 are Richard F Pops (Director And Ceo, Alkermes Plc, 1.38Mn shares), Michael J Landine (Svp, Corp Dev., Alkermes, Inc., 281.73K shares), Blair Curtis Jackson (Evp, Chief Operating Officer, 241.31K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Richard F Pops | Director And Ceo, Alkermes Plc | 1,377,740 | 0 | 1,377,740 | 46.4% | 06 Feb, 2026 |
| 2 | Michael J Landine | Svp, Corp Dev., Alkermes, Inc. | 281,730 | 0 | 281,730 | 9.5% | 27 Feb, 2024 |
| 3 | Blair Curtis Jackson | Evp, Chief Operating Officer | 241,308 | 0 | 241,308 | 8.1% | 27 Feb, 2026 |
| 4 | David Joseph Gaffin | Evp, Clo, Alkermes, Inc. | 223,422 | 0 | 223,422 | 7.5% | 03 Sep, 2026 |
| 5 | Iain Michael Brown | Svp, Chief Financial Officer | 148,196 | 0 | 148,196 | 5.0% | 28 Feb, 2025 |
| 6 | Shane Cooke | President, Alkermes Plc | 106,679 | 0 | 106,679 | 3.6% | 22 May, 2026 |
| 7 | Christian Todd Nichols | Svp, Chief Commercial Officer | 102,193 | 0 | 102,193 | 3.4% | 17 Aug, 2026 |
| 8 | David W Anstice | Director | 84,905 | 0 | 84,905 | 2.9% | 16 Jun, 2022 |
| 9 | Craig C. Hopkinson | Evp Rd, Chief Medical Officer | 65,389 | 0 | 65,389 | 2.2% | 01 Sep, 2026 |
| 10 | Wendy L Dixon | Director | 53,124 | 0 | 53,124 | 1.8% | 16 Jun, 2022 |
| 11 | Brian P Mckeon | Director | 38,536 | 0 | 38,536 | 1.3% | 22 May, 2026 |
| 12 | Frank Anders Wilson | Director | 35,751 | 0 | 35,751 | 1.2% | 22 May, 2026 |
| 13 | Richard Gaynor | Director | 35,751 | 0 | 35,751 | 1.2% | 22 May, 2026 |
| 14 | Cato T Laurencin | Director | 33,769 | 0 | 33,769 | 1.1% | 22 May, 2026 |
| 15 | David Angelo Jr. Daglio | Director | 27,780 | 0 | 27,780 | 0.9% | 01 Jul, 2024 |
| 16 | Emily Peterson Alva | Director | 27,302 | 0 | 27,302 | 0.9% | 01 Jul, 2024 |
| 17 | Christopher I Wright | Director | 25,680 | 0 | 25,680 | 0.9% | 12 Jun, 2026 |
| 18 | Nancy Wysenski | Director | 20,356 | 0 | 20,356 | 0.7% | 10 Jul, 2023 |
| 19 | Nancy Lurker | Director | 18,222 | 0 | 18,222 | 0.6% | 22 May, 2026 |
| 20 | Nancy Lynn Md Snyderman | Director | 15,395 | 0 | 15,395 | 0.5% | 03 Aug, 2026 |
| 21 | Samuel Joseph Parisi | Vp, Finance (Interim Pao) | 7,717 | 0 | 7,717 | 0.3% | 29 May, 2026 |
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 |
|---|---|---|---|---|---|---|---|---|
| 03 Sep, 2026 | David Joseph Gaffin | Evp, Clo, Alkermes, Inc. | Disposed S | 2,034 | $48.01 | $97.65K | 223,422 | Direct |
| 01 Sep, 2026 | Craig C. Hopkinson | Evp Rd, Chief Medical Officer | Acquired M | 5,000 | $24.59 | $122.95K | 74,389 | Direct |
| 01 Sep, 2026 | Craig C. Hopkinson | Evp Rd, Chief Medical Officer | Disposed S | 9,000 | $46.99 | $422.87K | 65,389 | Direct |
| 01 Sep, 2026 | Craig C. Hopkinson | Evp Rd, Chief Medical Officer | Disposed M | 5,000 | $0.00 | $0 | 61,276 | Direct |
| 17 Aug, 2026 | Christian Todd Nichols | Svp, Chief Commercial Officer | Disposed S | 6,912 | $49.19 | $339.97K | 102,857 | Direct |
| 17 Aug, 2026 | Christian Todd Nichols | Svp, Chief Commercial Officer | Disposed S | 664 | $49.65 | $32.97K | 102,193 | Direct |
| 05 Aug, 2026 | Blair Curtis Jackson | President Ceo, Alkermes Plc | Acquired A | 93,229 | $0.00 | $0 | 93,229 | Direct |
| 05 Aug, 2026 | Blair Curtis Jackson | President Ceo, Alkermes Plc | Acquired A | 124,305 | $0.00 | $0 | 124,305 | Direct |
| 03 Aug, 2026 | David Joseph Gaffin | Evp, Clo, Alkermes, Inc. | Disposed S | 2,034 | $48.58 | $98.81K | 225,456 | Direct |
| 03 Aug, 2026 | Nancy Lynn Md Snyderman | Director | Acquired M | 27,948 | $46.72 | $1.31Mn | 43,343 | Direct |
| 03 Aug, 2026 | Craig C. Hopkinson | Evp Rd, Chief Medical Officer | Acquired M | 104 | $19.34 | $2.01K | 73,493 | Direct |
| 03 Aug, 2026 | Craig C. Hopkinson | Evp Rd, Chief Medical Officer | Acquired M | 4,896 | $24.59 | $120.39K | 78,389 | Direct |
| 03 Aug, 2026 | Nancy Lynn Md Snyderman | Director | Acquired M | 16,524 | $46.72 | $772.00K | 59,867 | Direct |
| 03 Aug, 2026 | Nancy Lynn Md Snyderman | Director | Disposed S | 44,472 | $50.35 | $2.24Mn | 15,395 | Direct |
| 03 Aug, 2026 | Craig C. Hopkinson | Evp Rd, Chief Medical Officer | Disposed S | 9,000 | $48.58 | $437.22K | 69,389 | Direct |
| 03 Aug, 2026 | Craig C. Hopkinson | Evp Rd, Chief Medical Officer | Disposed M | 104 | $0.00 | $0 | 1,252 | Direct |
| 03 Aug, 2026 | Nancy Lynn Md Snyderman | Director | Disposed M | 27,948 | $0.00 | $0 | 0 | Direct |
| 03 Aug, 2026 | Craig C. Hopkinson | Evp Rd, Chief Medical Officer | Disposed M | 4,896 | $0.00 | $0 | 66,276 | Direct |
| 03 Aug, 2026 | Nancy Lynn Md Snyderman | Director | Disposed M | 16,524 | $0.00 | $0 | 0 | Direct |
| 06 Jul, 2026 | David Joseph Gaffin | Evp, Clo, Alkermes, Inc. | Disposed S | 2,034 | $54.03 | $109.90K | 227,490 | Direct |