5,000-share exercise and multiple sales reported by Alkermes (ALKS)

Rhea-AI Filing Summary

Alkermes plc reported an insider Form 144 filing showing intended dispositions of ordinary shares by a reporting person and multiple recent sales. The filing lists proposed sales/exercises on 03/02/2026 and vesting on 02/05/2026, and records past sales by Craig Hopkinson totaling multiple transactions in Dec 2025–Feb 2026.

The entries include broker-assisted cashless exercise transactions of 5,000 shares and a performance-vesting of 4,000 shares; several open-market sales by Craig Hopkinson are listed with individual share counts and proceeds.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	9000	267485.14	166649934	03/02/2026	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	03/02/2026	Exercise of employee stock options	Alkermes plc.			5000	03/02/2026	Broker assisted cashless exercise
Ordinary shares	02/05/2026	Vesting of performance share award	Alkermes plc.			4000	02/05/2026	Granted as part of issuer equity compensation plan

* 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	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
Craig Hopkinson CONNAUGHT HOUSE 1 BURLINGTON ROAD DUBLIN 4 L2 00000	Ordinary shares	01/08/2026	5000	150004.95
Craig Hopkinson CONNAUGHT HOUSE 1 BURLINGTON ROAD DUBLIN L2 L2 00000	Ordinary shares	02/02/2026	9000	305384.28

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does Alkermes's (ALKS) Form 144 filing disclose?

The Form 144 discloses proposed and recent dispositions of Alkermes ordinary shares by a reporting person. It lists a broker-assisted cashless exercise of 5,000 shares on 03/02/2026, a vesting of 4,000 shares on 02/05/2026, and multiple prior sales.

Who is the reporting person in the ALKS Form 144 transactions?

The filing identifies Craig Hopkinson as the reported seller for multiple transactions. The record shows several open-market sales by Mr. Hopkinson dated between 12/01/2025 and 02/02/2026 with listed share amounts and proceeds.

How many shares were listed in the recent proposed transactions on the ALKS Form 144?

The Form 144 lists a broker-assisted cashless exercise of 5,000 ordinary shares (dated 03/02/2026) and a performance-share vesting of 4,000 ordinary shares (dated 02/05/2026).

What sales by Craig Hopkinson are shown in the past three months on the filing?

The filing lists multiple past sales by Craig Hopkinson: 4,000 shares on 12/01/2025, 3,748 on 12/03/2025, 4,000 on 01/02/2026, 5,000 on 01/08/2026, and 9,000 on 02/02/2026, each with reported cash proceeds.

Were proceeds reported for the sales in the ALKS Form 144?

Yes; individual proceeds are listed alongside each sale. Examples include $117,200.00 for 12/01/2025 and $305,384.28 for 02/02/2026, matching the per-transaction entries in the filing.