Alkermes plc. (ALKS) Insider Trading -- Recent Executive & Director Transactions
15 insiders reported 144 Form 4 transactions for Alkermes plc. (ALKS) over the past 18 months (most recent 2026-10-09). Recent activity: Reed Joshua (SVP, Chief Financial Officer) Buy 9,164 shares, Reed Joshua (SVP, Chief Financial Officer) Sell 4,069 shares, Gaffin David Joseph (EVP, CLO, Alkermes, Inc.) Sell 2,034 shares, Gaffin David Joseph (EVP, CLO, Alkermes, Inc.) Sell 2,034 shares, Hopkinson Craig C. (EVP R&D, Chief Medical Officer) Buy 5,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-10-09 | Reed Joshua | SVP, Chief Financial Officer | Buy | 9,164 | $0 |
| 2026-10-09 | Reed Joshua | SVP, Chief Financial Officer | Sell | 4,069 | $163,208 |
| 2026-10-02 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell | 2,034 | $83,455 |
| 2026-09-03 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell | 2,034 | $97,652 |
| 2026-09-01 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Buy | 5,000 | $122,950 |
| 2026-09-01 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 9,000 | $422,874 |
| 2026-08-17 | Nichols Christian Todd | SVP, Chief Commercial Officer | Sell | 6,912 | $339,967 |
| 2026-08-17 | Nichols Christian Todd | SVP, Chief Commercial Officer | Sell | 664 | $32,969 |
| 2026-08-03 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Buy | 4,896 | $120,393 |
| 2026-08-03 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell | 2,034 | $98,812 |
| 2026-08-03 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Buy | 104 | $2,011 |
| 2026-08-03 | snyderman nancy lynn MD | Director | Buy | 16,524 | $772,001 |
| 2026-08-03 | snyderman nancy lynn MD | Director | Buy | 27,948 | $1.3M |
| 2026-08-03 | snyderman nancy lynn MD | Director | Sell | 44,472 | $2.2M |
| 2026-08-03 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 9,000 | $437,220 |
| 2026-07-06 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell | 2,034 | $109,897 |
| 2026-07-01 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Buy | 5,000 | $96,700 |
| 2026-07-01 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 8,300 | $427,129 |
| 2026-07-01 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 700 | $36,492 |
| 2026-06-12 | Wright Christopher I | Director | Sell | 2,000 | $90,200 |
| 2026-06-04 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell | 2,034 | $87,564 |
| 2026-06-01 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Buy | 5,000 | $96,700 |
| 2026-06-01 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 9,000 | $375,030 |
| 2026-05-29 | Parisi Samuel Joseph | VP, Finance (Interim PAO) | Buy | 3,392 | $67,942 |
| 2026-05-29 | Parisi Samuel Joseph | VP, Finance (Interim PAO) | Buy | 12,825 | $248,036 |
Source: SEC Form 4 filings · as of 2026-10-09