Alkermes director granted RSUs and stock options

Alkermes plc director Shane Cooke reported equity awards and corrected vesting terms for a prior grant.

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Form Type

4/A

Rhea-AI Filing Summary

Alkermes plc director Shane Cooke reported equity awards and corrected vesting terms for a prior grant. He received a restricted stock unit award covering 5,409 ordinary shares and a non-qualified stock option for 11,538 ordinary shares at an exercise price of $36.98 per share, expiring on May 20, 2036. The filing explains that both awards vest in full on the earlier of the one-year anniversary of the grant date or the next annual general meeting of shareholders that occurs at least 50 weeks after the grant date. An amendment clarifies that earlier vesting terms were reported incorrectly and confirms the correct schedule.

Insider Trade Summary

Grant/Award: 16,947 shares

Grant/Award 2 txns

Insider Cooke Shane

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Non Qualified Stock Option (Right to Buy)	11,538	$0.00	$0.00
Grant/Award	Restricted Stock Unit Award	5,409	$0.00	$0.00

Holdings After Transaction: Non Qualified Stock Option (Right to Buy) — 11,538 contracts (Direct); Restricted Stock Unit Award — 5,409 contracts (Direct)

Footnotes (3)

F1. Shares subject to the award vest (and if applicable, become exercisable) in full on the earlier of the one-year anniversary of the date of grant or the date of the issuer's next annual general meeting of shareholders that occurs at least 50 weeks after the date of grant.
F2. This amendment is being filed to reflect the vesting terms applicable to this award, which were reported incorrectly on the original Form 4. The correct vesting schedule is set forth in Footnote 1 above.
F3. Each restricted stock unit represents a contingent right to receive one ordinary share.

Key Figures

RSU grant size: 5,409 units Stock option grant size: 11,538 options Option exercise price: $36.98 per share +2 more

5 metrics

RSU grant size 5,409 units Restricted stock unit award covering ordinary shares

Stock option grant size 11,538 options Non-qualified stock option for ordinary shares

Option exercise price $36.98 per share Non-qualified stock option strike price

Option expiration May 20, 2036 Non-qualified stock option expiration date

RSU to share ratio 1:1 Each restricted stock unit equals one ordinary share

Key Terms

Restricted Stock Unit Award, Non Qualified Stock Option (Right to Buy), contingent right, annual general meeting of shareholders

4 terms

Restricted Stock Unit Award financial

"security_title: Restricted Stock Unit Award"

A restricted stock unit award is a promise by a company to give an employee a specified number of company shares at a future date if certain conditions are met, such as staying with the company or hitting performance goals. For investors, these awards matter because they can increase the total number of shares outstanding when converted, diluting existing holders, and they align employees’ incentives with shareholders’ interests much like giving a rising bonus that becomes real only after conditions are satisfied.

Non Qualified Stock Option (Right to Buy) financial

"security_title: Non Qualified Stock Option (Right to Buy)"

contingent right financial

"Each restricted stock unit represents a contingent right to receive one ordinary share."

annual general meeting of shareholders financial

"on the earlier of the one-year anniversary of the date of grant or the date of the issuer's next annual general meeting of shareholders"

FAQ

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

What insider equity awards did Alkermes (ALKS) director Shane Cooke report?

Shane Cooke reported a grant of 5,409 restricted stock units and a non-qualified stock option covering 11,538 ordinary shares. These compensation awards increase his potential future ownership but do not involve any open-market stock purchases or sales.

How do Shane Cooke’s Alkermes (ALKS) restricted stock units vest?

The 5,409 restricted stock units vest in full on the earlier of the one-year anniversary of the grant date or the next annual general meeting at least 50 weeks after grant. Each unit represents a contingent right to receive one ordinary share.

What are the key terms of Shane Cooke’s Alkermes (ALKS) stock option grant?

The non-qualified stock option covers 11,538 ordinary shares at an exercise price of $36.98 per share and expires on May 20, 2036. It vests in full on the same schedule as the restricted stock units tied to the grant date.

Why was this Form 4/A amendment filed for Alkermes (ALKS) director Shane Cooke?

The amendment corrects vesting terms previously reported for the equity awards. It states that the original Form 4 contained incorrect vesting information and confirms the proper schedule described in the new footnote, without changing the number of units or options granted.

Did Shane Cooke buy or sell Alkermes (ALKS) shares in this Form 4/A filing?

No open-market buys or sells are reported. The filing shows compensation-related acquisitions: a restricted stock unit award and a stock option grant. These are standard equity incentives rather than discretionary trading in Alkermes ordinary shares.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 05/22/2026 - 07:58 PM

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Cooke Shane

(Last)

(First)

(Middle)

CONNAUGHT HOUSE

1 BURLINGTON ROAD

(Street)

DUBLIN

4 Ireland

(City)

(State)

(Zip)

IRELAND

(Country)

2. Issuer Name and Ticker or Trading Symbol
Alkermes plc. [ ALKS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/20/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)
05/22/2026

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Non Qualified Stock Option (Right to Buy)	$36.98	05/20/2026		A		11,538		⁽¹⁾⁽²⁾	05/20/2036	Ordinary Shares	11,538	$0	11,538	D
Restricted Stock Unit Award	⁽³⁾	05/20/2026		A		5,409		⁽¹⁾⁽²⁾	⁽¹⁾⁽²⁾	Ordinary Shares	5,409	$0	5,409	D

Explanation of Responses:

1. Shares subject to the award vest (and if applicable, become exercisable) in full on the earlier of the one-year anniversary of the date of grant or the date of the issuer's next annual general meeting of shareholders that occurs at least 50 weeks after the date of grant.

2. This amendment is being filed to reflect the vesting terms applicable to this award, which were reported incorrectly on the original Form 4. The correct vesting schedule is set forth in Footnote 1 above.

3. Each restricted stock unit represents a contingent right to receive one ordinary share.

	/s/ Shantale Greenson, attorney-in-fact for Shane Cooke	05/22/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR