Alkermes insider plans sale of 5,000 shares

Alkermes plc insider Craig Hopkinson has filed a Form 144 notice to sell ordinary shares.

Rhea-AI Filing Summary

Alkermes plc insider Craig Hopkinson has filed a Form 144 notice to sell ordinary shares. The filing covers 5,000 ordinary shares to be sold through Merrill Lynch on or about 01/08/2026 on NASDAQ, with an aggregate market value of $150,004.95. The filing notes 165,117,509 ordinary shares outstanding.

The 5,000 shares were acquired on 01/08/2025 through the exercise of employee stock options in a broker-assisted cashless exercise. The notice also lists prior sales over the past three months, including 9,000 ordinary shares sold on 10/15/2025 for gross proceeds of $283,776.70 and 9,000 shares sold on 11/03/2025 for $273,441.50, along with additional smaller transactions in December 2025 and early January 2026.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Alkermes (ALKS) Form 144 filing disclose?

The Form 144 filing discloses that Craig Hopkinson, an insider of Alkermes plc, plans to sell 5,000 ordinary shares on NASDAQ through Merrill Lynch, with an aggregate market value of $150,004.95, subject to Rule 144 conditions.

How many Alkermes (ALKS) shares is the insider planning to sell under this Form 144?

The notice covers the planned sale of 5,000 ordinary shares of Alkermes plc, with an indicated aggregate market value of $150,004.95 at the time of the filing.

When were the Alkermes (ALKS) shares to be sold under Form 144 acquired and how?

The 5,000 ordinary shares to be sold were acquired on 01/08/2025 through the exercise of employee stock options in a broker-assisted cashless exercise from Alkermes plc.

On which exchange and through which broker will the Alkermes (ALKS) shares be sold?

The filing states that the 5,000 ordinary shares are expected to be sold on the NASDAQ exchange through Merrill Lynch, located at 225 Liberty St, Floor 37, New York, NY 10281.

How many Alkermes (ALKS) shares are outstanding according to the Form 144?

The Form 144 indicates that there are 165,117,509 ordinary shares of Alkermes plc outstanding at the time referenced in the notice.

What other recent sales by the Alkermes (ALKS) insider are reported in the past 3 months?

The filing lists several prior sales by Craig Hopkinson in the past three months, including 9,000 ordinary shares sold on 10/15/2025 for $283,776.70, 9,000 shares on 11/03/2025 for $273,441.50, and additional sales in December 2025 and 01/02/2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 01/08/2026 - 07:38 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001730048
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Alkermes plc.
SEC File Number	001-35299
Address of Issuer	CONNAUGHT HOUSE 1 BURLINGTON ROAD DUBLIN 4 IRELAND 00000
Phone	00-353-1-772-8000
Name of Person for Whose Account the Securities are To Be Sold	Hopkinson Craig C.
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Ordinary shares	Merrill Lynch 225 Liberty St Floor 37 New York NY 10281	5000	150004.95	165117509	01/08/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Ordinary shares	01/08/2025	Exercise of employee stock options	Alkermes plc.			5000	01/08/2025	Broker assisted cashless exercise

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Craig Hopkinson CONNAUGHT HOUSE 1 BURLINGTON ROAD DUBLIN 4 L2 00000	Ordinary shares	10/15/2025	9000	283776.70
Craig Hopkinson CONNAUGHT HOUSE 1 BURLINGTON ROAD DUBLIN 4 L2 00000	Ordinary shares	11/03/2025	9000	273441.50
Craig Hopkinson CONNAUGHT HOUSE 1 BURLINGTON ROAD DUBLIN 4 L2 00000	Ordinary shares	12/01/2025	4000	117200.00
Craig Hopkinson CONNAUGHT HOUSE 1 BURLINGTON ROAD DUBLIN L2 00000	Ordinary shares	12/03/2025	3748	112447.26
Craig Hopkinson CONNAUGHT HOUSE 1 BURLINGTON ROAD DUBLIN 4 L2 00000	Ordinary shares	01/02/2026	4000	112000.00

144: Remarks and Signature

Remarks
Date of Notice	01/08/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	03/14/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	Craig Hopkinson
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)