Stocks · Health care · Pharmaceutical Preparations

Alkermes plc.

ALKS Clue Score59
Ireland Fiscal year ends December CIK 0001520262
40.61
+1.25%
Close, 9 Oct 2026 · USD

Price, with every insider trade on it

Closing prices, 12 months · point at a dot for who traded, or at the line for the close
40.61 on 9 Oct 2026
55 41 27 Oct 2025 Apr 2026 Oct 2026 13 Oct 2025 $32.17 14 Oct 2025 $31.94 15 Oct 2025 $32.23 16 Oct 2025 $30.80 17 Oct 2025 $30.26 20 Oct 2025 $30.98 21 Oct 2025 $31.45 22 Oct 2025 $31.09 23 Oct 2025 $30.04 24 Oct 2025 $29.80 27 Oct 2025 $29.72 28 Oct 2025 $31.00 29 Oct 2025 $31.45 30 Oct 2025 $30.82 31 Oct 2025 $30.70 3 Nov 2025 $30.17 4 Nov 2025 $30.39 5 Nov 2025 $31.07 6 Nov 2025 $31.68 7 Nov 2025 $32.89 10 Nov 2025 $32.65 11 Nov 2025 $33.81 12 Nov 2025 $31.41 13 Nov 2025 $31.01 14 Nov 2025 $29.04 17 Nov 2025 $29.33 18 Nov 2025 $29.26 19 Nov 2025 $28.69 20 Nov 2025 $28.19 21 Nov 2025 $28.61 24 Nov 2025 $28.20 25 Nov 2025 $28.99 26 Nov 2025 $29.72 28 Nov 2025 $29.58 1 Dec 2025 $28.90 2 Dec 2025 $28.97 3 Dec 2025 $29.53 4 Dec 2025 $29.30 5 Dec 2025 $29.52 8 Dec 2025 $29.41 9 Dec 2025 $28.44 10 Dec 2025 $28.62 11 Dec 2025 $29.17 12 Dec 2025 $28.50 15 Dec 2025 $28.17 16 Dec 2025 $28.06 17 Dec 2025 $28.04 18 Dec 2025 $27.81 19 Dec 2025 $28.45 22 Dec 2025 $28.63 23 Dec 2025 $28.49 24 Dec 2025 $28.52 26 Dec 2025 $28.49 29 Dec 2025 $28.01 30 Dec 2025 $27.81 31 Dec 2025 $27.98 2 Jan 2026 $28.26 5 Jan 2026 $28.00 6 Jan 2026 $28.78 7 Jan 2026 $29.36 8 Jan 2026 $29.60 9 Jan 2026 $29.66 12 Jan 2026 $29.62 13 Jan 2026 $29.15 14 Jan 2026 $30.62 15 Jan 2026 $31.22 16 Jan 2026 $31.63 20 Jan 2026 $31.75 21 Jan 2026 $33.85 22 Jan 2026 $33.95 23 Jan 2026 $33.61 26 Jan 2026 $33.11 27 Jan 2026 $33.52 28 Jan 2026 $33.90 29 Jan 2026 $34.88 30 Jan 2026 $33.89 2 Feb 2026 $34.96 3 Feb 2026 $34.47 4 Feb 2026 $34.13 5 Feb 2026 $33.55 6 Feb 2026 $34.91 9 Feb 2026 $34.84 10 Feb 2026 $34.72 11 Feb 2026 $34.91 12 Feb 2026 $33.29 13 Feb 2026 $33.16 17 Feb 2026 $32.90 18 Feb 2026 $32.02 19 Feb 2026 $32.00 20 Feb 2026 $31.91 23 Feb 2026 $32.19 24 Feb 2026 $33.39 25 Feb 2026 $31.04 26 Feb 2026 $30.73 27 Feb 2026 $30.10 2 Mar 2026 $30.25 3 Mar 2026 $29.20 4 Mar 2026 $29.28 5 Mar 2026 $28.35 6 Mar 2026 $28.63 9 Mar 2026 $28.45 10 Mar 2026 $27.74 11 Mar 2026 $27.77 12 Mar 2026 $27.64 13 Mar 2026 $27.76 16 Mar 2026 $28.00 17 Mar 2026 $27.65 18 Mar 2026 $27.20 19 Mar 2026 $28.40 20 Mar 2026 $28.15 23 Mar 2026 $27.71 24 Mar 2026 $28.40 25 Mar 2026 $29.37 26 Mar 2026 $29.92 27 Mar 2026 $29.39 30 Mar 2026 $30.15 31 Mar 2026 $35.36 1 Apr 2026 $35.05 2 Apr 2026 $34.84 6 Apr 2026 $34.08 7 Apr 2026 $33.02 8 Apr 2026 $34.77 9 Apr 2026 $34.92 10 Apr 2026 $33.36 13 Apr 2026 $33.75 14 Apr 2026 $33.87 15 Apr 2026 $33.22 16 Apr 2026 $33.77 17 Apr 2026 $34.53 20 Apr 2026 $34.23 21 Apr 2026 $33.52 22 Apr 2026 $33.74 23 Apr 2026 $33.91 24 Apr 2026 $33.31 27 Apr 2026 $33.73 28 Apr 2026 $34.14 29 Apr 2026 $33.71 30 Apr 2026 $33.71 1 May 2026 $33.38 4 May 2026 $34.17 5 May 2026 $36.25 6 May 2026 $35.32 7 May 2026 $35.40 8 May 2026 $34.99 11 May 2026 $35.47 12 May 2026 $38.29 13 May 2026 $38.91 14 May 2026 $38.36 15 May 2026 $37.48 18 May 2026 $37.19 19 May 2026 $37.00 20 May 2026 $36.98 21 May 2026 $36.95 22 May 2026 $36.80 26 May 2026 $37.35 27 May 2026 $38.09 28 May 2026 $39.94 29 May 2026 $42.19 1 Jun 2026 $42.27 2 Jun 2026 $41.32 3 Jun 2026 $42.76 4 Jun 2026 $43.38 5 Jun 2026 $42.80 8 Jun 2026 $42.45 9 Jun 2026 $44.29 10 Jun 2026 $43.84 11 Jun 2026 $44.92 12 Jun 2026 $44.28 15 Jun 2026 $44.36 16 Jun 2026 $44.09 17 Jun 2026 $44.51 18 Jun 2026 $44.99 22 Jun 2026 $46.02 23 Jun 2026 $48.07 24 Jun 2026 $50.45 25 Jun 2026 $52.83 26 Jun 2026 $55.08 29 Jun 2026 $52.53 30 Jun 2026 $52.40 1 Jul 2026 $51.72 2 Jul 2026 $54.58 6 Jul 2026 $55.14 7 Jul 2026 $55.22 8 Jul 2026 $54.29 9 Jul 2026 $53.78 10 Jul 2026 $51.94 13 Jul 2026 $51.87 14 Jul 2026 $51.60 15 Jul 2026 $51.98 16 Jul 2026 $51.94 17 Jul 2026 $52.72 20 Jul 2026 $51.72 21 Jul 2026 $52.85 22 Jul 2026 $52.58 23 Jul 2026 $52.97 24 Jul 2026 $52.89 27 Jul 2026 $52.73 28 Jul 2026 $50.50 29 Jul 2026 $48.34 30 Jul 2026 $50.03 31 Jul 2026 $48.99 3 Aug 2026 $49.53 4 Aug 2026 $49.67 5 Aug 2026 $49.61 6 Aug 2026 $48.37 7 Aug 2026 $49.17 10 Aug 2026 $49.40 11 Aug 2026 $49.21 12 Aug 2026 $50.28 13 Aug 2026 $49.45 14 Aug 2026 $49.06 17 Aug 2026 $49.85 18 Aug 2026 $49.48 19 Aug 2026 $50.18 20 Aug 2026 $48.02 21 Aug 2026 $48.33 24 Aug 2026 $48.87 25 Aug 2026 $49.21 26 Aug 2026 $49.16 27 Aug 2026 $48.90 28 Aug 2026 $47.41 31 Aug 2026 $46.99 1 Sep 2026 $47.20 2 Sep 2026 $47.72 3 Sep 2026 $46.88 4 Sep 2026 $46.10 8 Sep 2026 $45.49 9 Sep 2026 $45.40 10 Sep 2026 $46.11 11 Sep 2026 $45.97 14 Sep 2026 $45.83 15 Sep 2026 $46.03 16 Sep 2026 $46.07 17 Sep 2026 $46.71 18 Sep 2026 $43.39 21 Sep 2026 $44.18 22 Sep 2026 $43.29 23 Sep 2026 $42.13 24 Sep 2026 $40.79 25 Sep 2026 $40.85 28 Sep 2026 $40.15 29 Sep 2026 $40.80 30 Sep 2026 $40.52 1 Oct 2026 $40.54 2 Oct 2026 $41.75 5 Oct 2026 $42.76 6 Oct 2026 $41.65 7 Oct 2026 $41.45 8 Oct 2026 $40.11 9 Oct 2026 $40.61 Hopkinson Craig C. EVP R&D, Chief Medical Officer Sold on a plan $283.78K 15 Oct 2025 · at $31.53 · 10.9% of stake Hopkinson Craig C. EVP R&D, Chief Medical Officer Sold on a plan $273.44K 3 Nov 2025 · at $30.38 · 11.4% of stake Hopkinson Craig C. EVP R&D, Chief Medical Officer Sold on a plan $117.20K 1 Dec 2025 · at $29.30 · 5.7% of stake Hopkinson Craig C. EVP R&D, Chief Medical Officer Sold on a plan $112.45K 3 Dec 2025 · at $30.00 · 5.4% of stake Hopkinson Craig C. EVP R&D, Chief Medical Officer Sold on a plan $112.00K 2 Jan 2026 · at $28.00 · 6.1% of stake Hopkinson Craig C. EVP R&D, Chief Medical Officer Sold on a plan $150.01K 8 Jan 2026 · at $30.00 · 7.5% of stake Hopkinson Craig C. EVP R&D, Chief Medical Officer Sold on a plan $305.38K 2 Feb 2026 · at $33.93 · 13.5% of stake Cooke Shane Director Sold on a plan $2.12M 2 Feb 2026 · at $34.57 · 37.1% of stake Gaffin David Joseph EVP, CLO, Alkermes, Inc. Sold on a plan $59.58K 2 Mar 2026 · at $29.29 · 0.8% of stake Nichols Christian Todd SVP, Chief Commercial Officer Sold on a plan $180.00K 2 Mar 2026 · at $30.00 · 5.2% of stake Parisi Samuel Joseph VP, Finance (Interim PAO) Sold on a plan $201.81K 2 Mar 2026 · at $29.29 · 47.2% of stake Hopkinson Craig C. EVP R&D, Chief Medical Officer Sold on a plan $267.49K 2 Mar 2026 · at $29.72 · 9.1% of stake Gaffin David Joseph EVP, CLO, Alkermes, Inc. Sold on a plan $60.53K 3 Mar 2026 · at $29.76 · 0.9% of stake Hopkinson Craig C. EVP R&D, Chief Medical Officer Sold on a plan $319.60K 1 Apr 2026 · at $35.51 · 9.5% of stake Gaffin David Joseph EVP, CLO, Alkermes, Inc. Sold on a plan $70.32K 6 Apr 2026 · at $34.57 · 0.9% of stake Hopkinson Craig C. EVP R&D, Chief Medical Officer Sold on a plan $300.56K 1 May 2026 · at $33.40 · 10.0% of stake Gaffin David Joseph EVP, CLO, Alkermes, Inc. Sold on a plan $67.53K 4 May 2026 · at $33.20 · 0.9% of stake Parisi Samuel Joseph VP, Finance (Interim PAO) Sold at will $687.01K 29 May 2026 · at $42.36 · 67.8% of stake Hopkinson Craig C. EVP R&D, Chief Medical Officer Sold on a plan $375.04K 1 Jun 2026 · at $41.67 · 10.4% of stake Gaffin David Joseph EVP, CLO, Alkermes, Inc. Sold on a plan $87.56K 4 Jun 2026 · at $43.05 · 0.9% of stake Wright Christopher I Director Sold on a plan $90.20K 12 Jun 2026 · at $45.10 · 7.2% of stake Hopkinson Craig C. EVP R&D, Chief Medical Officer Sold on a plan $463.62K 1 Jul 2026 · at $51.51 · 10.9% of stake Gaffin David Joseph EVP, CLO, Alkermes, Inc. Sold on a plan $109.90K 6 Jul 2026 · at $54.03 · 0.9% of stake Gaffin David Joseph EVP, CLO, Alkermes, Inc. Sold on a plan $98.81K 3 Aug 2026 · at $48.58 · 0.9% of stake Hopkinson Craig C. EVP R&D, Chief Medical Officer Sold on a plan $437.22K 3 Aug 2026 · at $48.58 · 11.5% of stake snyderman nancy lynn MD Director Sold at will $2.24M 3 Aug 2026 · at $50.35 · 74.3% of stake Nichols Christian Todd SVP, Chief Commercial Officer Sold on a plan $372.94K 17 Aug 2026 · at $49.23 · 6.9% of stake Hopkinson Craig C. EVP R&D, Chief Medical Officer Sold on a plan $422.87K 1 Sep 2026 · at $46.99 · 12.1% of stake Gaffin David Joseph EVP, CLO, Alkermes, Inc. Sold on a plan $97.65K 3 Sep 2026 · at $48.01 · 0.9% of stake Gaffin David Joseph EVP, CLO, Alkermes, Inc. Sold on a plan $83.46K 2 Oct 2026 · at $41.03 · 0.9% of stake
0 buys2 sales at will28 planned sales

Key numbers

Fiscal year 2025, ended 31 Dec 2025, as filed
Revenue
$1.48B
Net income
$241.66M
Free cash flow
$480.33M
Operating margin
17.2%
Net margin
16.4%
Return on equity
13.3%
Return on capital
11.6%
Debt to equity
0.00
Revenue growth, 1 yr
-5.3%
Revenue growth, 5 yr
7.3% a year
EPS growth, 1 yr
-34.1%

Revenue and net income

Fiscal years, as filed with the SEC · point at a year for the detail
1B -111M FY20 Fiscal year 2020 Revenue $1.04B Net income $110.86M Margin -10.7% 1.2B -48M FY21 Fiscal year 2021 Revenue $1.17B Net income $48.17M Margin -4.1% · growth +13.0% 1.1B -158M FY22 Fiscal year 2022 Revenue $1.11B Net income $158.27M Margin -14.2% · growth -5.3% 1.7B 356M FY23 Fiscal year 2023 Revenue $1.66B Net income $355.76M Margin 21.4% · growth +49.6% 1.6B 367M FY24 Fiscal year 2024 Revenue $1.56B Net income $367.07M Margin 23.6% · growth -6.4% 1.5B 242M FY25 Fiscal year 2025 Revenue $1.48B Net income $241.66M Margin 16.4% · growth -5.2%
RevenueNet incomeLoss

Latest insider transactions

From Form 4, most recent first
All of them →
DateInsiderTypeValueOf own stake
2 Oct 2026 Gaffin David Joseph
EVP, CLO, Alkermes, Inc.
Sold on a plan $83.46K 0.9%
3 Sep 2026 Gaffin David Joseph
EVP, CLO, Alkermes, Inc.
Sold on a plan $97.65K 0.9%
1 Sep 2026 Hopkinson Craig C.
EVP R&D, Chief Medical Officer
Sold on a plan $422.87K 12.1%
17 Aug 2026 Nichols Christian Todd
SVP, Chief Commercial Officer
Sold on a plan $372.94K 6.9%
3 Aug 2026 snyderman nancy lynn MD
Director
Sold at will $2.24M 74.3%
3 Aug 2026 Hopkinson Craig C.
EVP R&D, Chief Medical Officer
Sold on a plan $437.22K 11.5%