Alkermes insider files Form 144 for share sales

Alkermes plc reports insider share dispositions and planned transactions involving ordinary shares.

Rhea-AI Filing Summary

Alkermes plc reports insider share dispositions and planned transactions involving ordinary shares. Craig Hopkinson reported three past dispositions of 9,000 shares each on 02/02/2026, 03/02/2026 and 04/01/2026. The filing also lists a broker-assisted cashless exercise for 5,000 shares on 05/01/2026 and vesting of a performance share award of 4,000 shares on 02/05/2026.

Insights

Equity Compensation Analyst

Form 144 discloses routine insider dispositions and compensation-related issuances.

The filing lists three completed sales of 9,000 shares each and two issuer-related events: a 5,000-share cashless exercise and 4,000 shares vesting under a performance plan. These are standard equity-compensation and liquidity events.

Cash flows and motivations are not detailed here; subsequent filings or broker confirmations would be needed to clarify whether the sales were market-driven, planned, or tax-related.

Key Figures

Past dispositions per entry: 9,000 shares Cash proceeds (02/02/2026): $305,384.28 Cash proceeds (03/02/2026): $267,485.14 +3 more

6 metrics

Past dispositions per entry 9,000 shares sold on 02/02/2026; 03/02/2026; 04/01/2026

Cash proceeds (02/02/2026) $305,384.28 proceeds reported for 9,000-share sale on 02/02/2026

Cash proceeds (03/02/2026) $267,485.14 proceeds reported for 9,000-share sale on 03/02/2026

Cash proceeds (04/01/2026) $319,604.00 proceeds reported for 9,000-share sale on 04/01/2026

Broker-assisted cashless exercise 5,000 shares listed for 05/01/2026 as exercise of employee stock options

Performance share vesting 4,000 shares vested on 02/05/2026 under issuer equity compensation plan

Key Terms

Form 144, broker-assisted cashless exercise, performance share award, issuer equity compensation plan

4 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

"05/01/2026 | Exercise of employee stock options | Broker assisted cashless exercise"

performance share award financial

"02/05/2026 | Vesting of performance share award"

A performance share award is a type of executive or employee pay that grants company stock only if predefined performance goals are met over a set period. Think of it as a bonus paid in shares—similar to a savings payout that arrives only if certain targets are hit—so it aligns management incentives with company results and can affect future share count and shareholder value. Investors watch these awards because they influence executive behavior, potential dilution of shares, and signals about expected performance.

issuer equity compensation plan financial

"Granted as part of issuer equity compensation plan"

FAQ

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

What does Alkermes's (ALKS) Form 144 report show?

It reports insider share dispositions and planned issuer-related share events. The filing lists three sales of 9,000 shares each and two transactions: a 5,000-share cashless exercise and 4,000 vested performance shares.

Who is the reporting person on the ALKS Form 144?

The filing identifies Craig Hopkinson as the reporting person. The record lists his three recent dispositions and the planned exercise/vesting entries tied to Alkermes equity.

What were the dates and sizes of the recent ALKS share sales?

Three dispositions of 9,000 shares each occurred on 02/02/2026, 03/02/2026, and 04/01/2026. Each sale includes the dollar proceeds shown on the filing for those transactions.

What issuer-related share events are listed in the ALKS filing?

The filing lists a broker-assisted cashless exercise of 5,000 shares on 05/01/2026 and vesting of 4,000 performance shares on 02/05/2026 as part of the equity compensation plan.

Do the Form 144 entries state why the shares were sold?

No. The filing records the sales and amounts but does not state the seller's motivations. The entries show transaction dates, share counts, and proceeds but not reasons for sale.

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

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Accepted by SEC EDGAR 05/01/2026 - 04:22 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	300559.55	166649934	05/01/2026	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	05/01/2026	Exercise of employee stock options	Alkermes plc.			5000	05/01/2026	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 L2 00000	Ordinary shares	02/02/2026	9000	305384.28
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

144: Remarks and Signature

Remarks
Date of Notice	05/01/2026
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)