ALKS
Alkermes plc$34.28+0.55 (+1.63%)Prev Close$33.73·MCap$5.62B·P/E23.71·Vol1.09M·Yield—
▲
Buys (12M)
0
$0.00
▼
Sells (12M)
23
$7.74M
◆
Net Activity
Net Seller
$7.74M
●
Active Insiders
8
last 12 mo
Over the past 12 months, insider activity at Alkermes plc (ALKS) has been exclusively selling, with 0 insider purchases totaling $0.00 and 23 insider sales totaling $7.74M. The most recent insider transaction was by Gaffin David Joseph (EVP, CLO, Alkermes, Inc.), who sold $177.1K worth of shares on Feb 18, 2026. Alkermes plc operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $5.62B.
ALKS Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Feb 18, 2026 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell | 5,533 | $32.01 | $177.1K | 0 |
| Feb 18, 2026 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 3,504 | $32.02 | $112.2K | 0 |
| Feb 18, 2026 | Jackson Blair Curtis | EVP, Chief Operating Officer | Sell | 7,926 | $32.01 | $253.7K | 0 |
| Feb 18, 2026 | Nichols Christian Todd | SVP, Chief Commercial Officer | Sell | 4,146 | $32.01 | $132.7K | 0 |
| Feb 18, 2026 | Parisi Samuel Joseph | VP, Finance (Interim PAO) | Sell | 1,685 | $32.01 | $53.9K | 0 |
| Feb 5, 2026 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell | 7,619 | $33.55 | $255.6K | 0 |
| Feb 5, 2026 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 7,454 | $33.55 | $250.1K | 0 |
| Feb 5, 2026 | Jackson Blair Curtis | EVP, Chief Operating Officer | Sell | 8,626 | $33.55 | $289.4K | 0 |
| Feb 5, 2026 | Nichols Christian Todd | SVP, Chief Commercial Officer | Sell | 6,389 | $33.55 | $214.4K | 0 |
| Feb 5, 2026 | POPS RICHARD F | Director and CEO, Alkermes plc | Sell | 62,230 | $33.55 | $2.09M | 0 |
| Feb 2, 2026 | Cooke Shane | Director | Sell | 61,200 | $34.57 | $2.12M | 0 |
| Feb 2, 2026 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 9,000 | $33.93 | $305.4K | 0 |
| Jan 8, 2026 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 5,000 | $30.00 | $150.0K | 0 |
| Jan 2, 2026 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 4,000 | $28.00 | $112.0K | 0 |
| Dec 3, 2025 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 3,748 | $30.00 | $112.4K | 0 |
| Dec 1, 2025 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 4,000 | $29.30 | $117.2K | 0 |
| Nov 3, 2025 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 9,000 | $30.38 | $273.4K | 0 |
| Oct 15, 2025 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 9,000 | $31.53 | $283.8K | 0 |
| Aug 3, 2025 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell | 895 | $26.55 | $23.8K | 0 |
| Jun 9, 2025 | Nichols Christian Todd | SVP, Chief Commercial Officer | Sell | 6,667 | $31.52 | $210.1K | 0 |
| Jun 8, 2025 | Wright Christopher I | Director | Sell | 793 | $31.71 | $25.1K | 0 |
| May 31, 2025 | Cooke Shane | Director | Sell | 4,175 | $30.61 | $127.8K | 0 |
| May 31, 2025 | Wright Christopher I | Director | Sell | 1,924 | $30.61 | $58.9K | 0 |
| Apr 11, 2025 | Lurker Nancy | Director | Sell | 1,459 | $27.00 | $39.4K | 0 |
| Feb 26, 2025 | Brown Iain Michael | SVP, Chief Financial Officer | Sell | 2,494 | $34.79 | $86.8K | 0 |
| Feb 26, 2025 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 3,049 | $34.80 | $106.1K | 0 |
| Feb 26, 2025 | Jackson Blair Curtis | EVP, Chief Operating Officer | Sell | 3,695 | $34.80 | $128.6K | 0 |
| Feb 26, 2025 | Nichols Christian Todd | SVP, Chief Commercial Officer | Sell | 2,402 | $34.80 | $83.6K | 0 |
| Feb 26, 2025 | Parisi Samuel Joseph | VP, Finance (Interim PAO) | Sell | 2,746 | $34.23 | $94.0K | 0 |
| Feb 22, 2025 | Brown Iain Michael | SVP, Chief Financial Officer | Sell | 5,741 | $35.32 | $202.8K | 0 |
| Feb 22, 2025 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell | 6,714 | $35.32 | $237.1K | 0 |
| Feb 22, 2025 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 5,452 | $35.32 | $192.6K | 0 |
| Feb 22, 2025 | Jackson Blair Curtis | EVP, Chief Operating Officer | Sell | 8,185 | $35.32 | $289.1K | 0 |
| Feb 22, 2025 | Nichols Christian Todd | SVP, Chief Commercial Officer | Sell | 6,003 | $35.32 | $212.0K | 0 |
| Feb 22, 2025 | Parisi Samuel Joseph | VP, Finance (Interim PAO) | Sell | 5,398 | $35.28 | $190.4K | 0 |
| Feb 18, 2025 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell | 2,822 | $35.90 | $101.3K | 0 |
| Feb 18, 2025 | Jackson Blair Curtis | EVP, Chief Operating Officer | Sell | 3,950 | $35.90 | $141.8K | 0 |
| Feb 18, 2025 | Nichols Christian Todd | SVP, Chief Commercial Officer | Sell | 1,869 | $35.90 | $67.1K | 0 |
| Feb 18, 2025 | Parisi Samuel Joseph | VP, Finance (Interim PAO) | Sell | 2,033 | $35.76 | $72.7K | 0 |
| Feb 12, 2025 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 349,340 | $33.92 | $11.85M | 0 |
| Feb 6, 2025 | Brown Iain Michael | SVP, Chief Financial Officer | Sell | 7,514 | $31.39 | $235.9K | 0 |
| Feb 6, 2025 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell | 9,752 | $31.39 | $306.1K | 0 |
| Feb 6, 2025 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 15,083 | $31.39 | $473.5K | 0 |
| Feb 6, 2025 | Jackson Blair Curtis | EVP, Chief Operating Officer | Sell | 10,647 | $31.39 | $334.2K | 0 |
| Feb 6, 2025 | Nichols Christian Todd | SVP, Chief Commercial Officer | Sell | 7,399 | $31.39 | $232.3K | 0 |
| Feb 6, 2025 | POPS RICHARD F | Director and CEO, Alkermes plc | Sell | 79,925 | $31.39 | $2.51M | 0 |
| Jan 30, 2025 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 100,918 | $32.05 | $3.23M | 0 |
| Dec 9, 2024 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 61,151 | $32.07 | $1.96M | 0 |
| Dec 8, 2024 | LAURENCIN CATO T | Director | Sell | 3,649 | $31.75 | $115.8K | 0 |
| Dec 5, 2024 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 9,221 | $31.50 | $290.5K | 0 |
Showing 1–50 of 188
1 / 4
ALKS Insider Buying Activity
The following table shows recent insider purchases of Alkermes plc (ALKS) stock reported via SEC Form 4 filings.
No insider buying activity found for ALKS in the last 12 months.
ALKS Insider Selling Activity
The following table shows recent insider sales of Alkermes plc (ALKS) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Feb 18, 2026 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell | 5,533 | $32.01 | $177.1K | 0 |
| Feb 18, 2026 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 3,504 | $32.02 | $112.2K | 0 |
| Feb 18, 2026 | Jackson Blair Curtis | EVP, Chief Operating Officer | Sell | 7,926 | $32.01 | $253.7K | 0 |
| Feb 18, 2026 | Nichols Christian Todd | SVP, Chief Commercial Officer | Sell | 4,146 | $32.01 | $132.7K | 0 |
| Feb 18, 2026 | Parisi Samuel Joseph | VP, Finance (Interim PAO) | Sell | 1,685 | $32.01 | $53.9K | 0 |
| Feb 5, 2026 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell | 7,619 | $33.55 | $255.6K | 0 |
| Feb 5, 2026 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 7,454 | $33.55 | $250.1K | 0 |
| Feb 5, 2026 | Jackson Blair Curtis | EVP, Chief Operating Officer | Sell | 8,626 | $33.55 | $289.4K | 0 |
| Feb 5, 2026 | Nichols Christian Todd | SVP, Chief Commercial Officer | Sell | 6,389 | $33.55 | $214.4K | 0 |
| Feb 5, 2026 | POPS RICHARD F | Director and CEO, Alkermes plc | Sell | 62,230 | $33.55 | $2.09M | 0 |
| Feb 2, 2026 | Cooke Shane | Director | Sell | 61,200 | $34.57 | $2.12M | 0 |
| Feb 2, 2026 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 9,000 | $33.93 | $305.4K | 0 |
| Jan 8, 2026 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 5,000 | $30.00 | $150.0K | 0 |
| Jan 2, 2026 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 4,000 | $28.00 | $112.0K | 0 |
| Dec 3, 2025 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 3,748 | $30.00 | $112.4K | 0 |
| Dec 1, 2025 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 4,000 | $29.30 | $117.2K | 0 |
| Nov 3, 2025 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 9,000 | $30.38 | $273.4K | 0 |
| Oct 15, 2025 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 9,000 | $31.53 | $283.8K | 0 |
| Aug 3, 2025 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell | 895 | $26.55 | $23.8K | 0 |
| Jun 9, 2025 | Nichols Christian Todd | SVP, Chief Commercial Officer | Sell | 6,667 | $31.52 | $210.1K | 0 |
| Jun 8, 2025 | Wright Christopher I | Director | Sell | 793 | $31.71 | $25.1K | 0 |
| May 31, 2025 | Cooke Shane | Director | Sell | 4,175 | $30.61 | $127.8K | 0 |
| May 31, 2025 | Wright Christopher I | Director | Sell | 1,924 | $30.61 | $58.9K | 0 |
| Apr 11, 2025 | Lurker Nancy | Director | Sell | 1,459 | $27.00 | $39.4K | 0 |
| Feb 26, 2025 | Brown Iain Michael | SVP, Chief Financial Officer | Sell | 2,494 | $34.79 | $86.8K | 0 |
| Feb 26, 2025 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 3,049 | $34.80 | $106.1K | 0 |
| Feb 26, 2025 | Jackson Blair Curtis | EVP, Chief Operating Officer | Sell | 3,695 | $34.80 | $128.6K | 0 |
| Feb 26, 2025 | Nichols Christian Todd | SVP, Chief Commercial Officer | Sell | 2,402 | $34.80 | $83.6K | 0 |
| Feb 26, 2025 | Parisi Samuel Joseph | VP, Finance (Interim PAO) | Sell | 2,746 | $34.23 | $94.0K | 0 |
| Feb 22, 2025 | Brown Iain Michael | SVP, Chief Financial Officer | Sell | 5,741 | $35.32 | $202.8K | 0 |
| Feb 22, 2025 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell | 6,714 | $35.32 | $237.1K | 0 |
| Feb 22, 2025 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 5,452 | $35.32 | $192.6K | 0 |
| Feb 22, 2025 | Jackson Blair Curtis | EVP, Chief Operating Officer | Sell | 8,185 | $35.32 | $289.1K | 0 |
| Feb 22, 2025 | Nichols Christian Todd | SVP, Chief Commercial Officer | Sell | 6,003 | $35.32 | $212.0K | 0 |
| Feb 22, 2025 | Parisi Samuel Joseph | VP, Finance (Interim PAO) | Sell | 5,398 | $35.28 | $190.4K | 0 |
| Feb 18, 2025 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell | 2,822 | $35.90 | $101.3K | 0 |
| Feb 18, 2025 | Jackson Blair Curtis | EVP, Chief Operating Officer | Sell | 3,950 | $35.90 | $141.8K | 0 |
| Feb 18, 2025 | Nichols Christian Todd | SVP, Chief Commercial Officer | Sell | 1,869 | $35.90 | $67.1K | 0 |
| Feb 18, 2025 | Parisi Samuel Joseph | VP, Finance (Interim PAO) | Sell | 2,033 | $35.76 | $72.7K | 0 |
| Feb 12, 2025 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 349,340 | $33.92 | $11.85M | 0 |
| Feb 6, 2025 | Brown Iain Michael | SVP, Chief Financial Officer | Sell | 7,514 | $31.39 | $235.9K | 0 |
| Feb 6, 2025 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell | 9,752 | $31.39 | $306.1K | 0 |
| Feb 6, 2025 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 15,083 | $31.39 | $473.5K | 0 |
| Feb 6, 2025 | Jackson Blair Curtis | EVP, Chief Operating Officer | Sell | 10,647 | $31.39 | $334.2K | 0 |
| Feb 6, 2025 | Nichols Christian Todd | SVP, Chief Commercial Officer | Sell | 7,399 | $31.39 | $232.3K | 0 |
| Feb 6, 2025 | POPS RICHARD F | Director and CEO, Alkermes plc | Sell | 79,925 | $31.39 | $2.51M | 0 |
| Jan 30, 2025 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 100,918 | $32.05 | $3.23M | 0 |
| Dec 9, 2024 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 61,151 | $32.07 | $1.96M | 0 |
| Dec 8, 2024 | LAURENCIN CATO T | Director | Sell | 3,649 | $31.75 | $115.8K | 0 |
| Dec 5, 2024 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 9,221 | $31.50 | $290.5K | 0 |
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