Insider sells 9,000 shares on three dates at Alkermes

Craig Hopkinson reported dispositions of Alkermes plc ordinary shares via Form 144.

Rhea-AI Filing Summary

Craig Hopkinson reported dispositions of Alkermes plc ordinary shares via Form 144. The filing lists three sales of 9,000 shares each on 03/02/2026, 04/01/2026, and 05/01/2026, with proceeds shown as $267,485.14, $319,604.00, and $300,559.55 respectively. The record also shows recent issuer-related activity including a broker-assisted cashless exercise of 5,000 shares on 06/01/2026 and a vesting of a performance share award of 4,000 shares on 02/05/2026.

Insights

Corporate Governance Analyst

Routine officer/affiliate dispositions and equity plan activity disclosed.

The Form 144 excerpt lists three reported sales of 9,000 shares each on 03/02/2026, 04/01/2026, and 05/01/2026, with gross proceeds annotated as $267,485.14, $319,604.00, and $300,559.55. It also records a broker-assisted cashless exercise for 5,000 shares and a 4,000-share performance-vesting event.

These entries are procedural disclosures under resale rules. Cash-flow treatment and whether sales were pursuant to a trading plan are not shown in the excerpt; subsequent filings could clarify timing or plan status.

Key Figures

Sale on 03/02/2026: 9,000 shares Proceeds 03/02/2026: $267,485.14 Sale on 04/01/2026: 9,000 shares +5 more

8 metrics

Sale on 03/02/2026 9,000 shares disposition by Craig Hopkinson

Proceeds 03/02/2026 $267,485.14 gross proceeds shown for 9,000-share sale

Sale on 04/01/2026 9,000 shares disposition by Craig Hopkinson

Proceeds 04/01/2026 $319,604.00 gross proceeds shown for 9,000-share sale

Sale on 05/01/2026 9,000 shares disposition by Craig Hopkinson

Proceeds 05/01/2026 $300,559.55 gross proceeds shown for 9,000-share sale

Cashless exercise 5,000 shares broker-assisted cashless exercise on <date>06/01/2026</date>

Performance vesting 4,000 shares vesting of performance share award on <date>02/05/2026</date>

Key Terms

Form 144, broker-assisted cashless exercise, vesting of performance share award

3 terms

Form 144 regulatory

"144: Securities Sold During The Past 3 Months"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

broker-assisted cashless exercise financial

"06/01/2026 | Exercise of employee stock options | ... | 5000 | 06/01/2026 | Broker assisted cashless exercise"

vesting of performance share award financial

"02/05/2026 | Vesting of performance share award | Alkermes plc. | ... | 4000 | 02/05/2026"

FAQ

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

What did the Form 144 for ALKS report about Craig Hopkinson's transactions?

It reports three dispositions of 9,000 shares each on 03/02/2026, 04/01/2026, and 05/01/2026. The filing also shows a 5,000-share broker-assisted cashless exercise and a 4,000-share performance award vesting.

How much proceeds were shown for the May 1, 2026 sale on the Form 144?

The May 1, 2026 sale lists gross proceeds of $300,559.55. The excerpt presents proceeds amounts for each sale line but does not state net proceeds, fees, or who ultimately received the funds.

Does the filing say whether the sales were part of a Rule 10b5-1 plan?

The provided excerpt does not state whether the dispositions were made under a Rule 10b5-1 trading plan. The filing lists trade dates and proceeds; plan status or pre-arrangement details are not shown in the excerpt.

What issuer-side equity events are listed in the excerpt for ALKS?

The excerpt shows a broker-assisted cashless exercise of 5,000 shares on 06/01/2026 and a 4,000-share vesting of a performance share award on 02/05/2026, described as part of the issuer's equity compensation plan.

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

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Accepted by SEC EDGAR 06/01/2026 - 04:29 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	9000	375043.23	166675807	06/01/2026	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	06/01/2026	Exercise of employee stock options	Alkermes plc.			5000	06/01/2026	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 L2 00000	Ordinary shares	03/02/2026	9000	267485.14
Craig Hopkinson CONNAUGHT HOUSE 1 BURLINGTON ROAD DUBLIN L2 00000	Ordinary shares	04/01/2026	9000	319604.00
Craig Hopkinson CONNAUGHT HOUSE 1 BURLINGTON ROAD DUBLIN L2 00000	Ordinary Shares	05/01/2026	9000	300559.55

144: Remarks and Signature

Remarks
Date of Notice	06/01/2026
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)