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Alkermes (ALKS) director Nancy Lurker exercises RSUs, netting 13,555 shares

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Alkermes plc. director Nancy Lurker reported a routine equity compensation event. She exercised a restricted stock unit award covering 3,751 ordinary shares, converting it into the same number of ordinary shares at a stated price of $0.00 per share.

Of these shares, 901 ordinary shares were withheld at $33.36 per share to cover tax obligations related to the vesting, leaving her with 13,555 ordinary shares held directly after the transactions. The restricted stock units vest in three equal annual installments beginning on April 11, 2025.

Positive

  • None.

Negative

  • None.
Insider Lurker Nancy
Role Director
Type Security Shares Price Value
Exercise Restricted Stock Unit Award 3,751 $0.00 --
Exercise Ordinary Shares 3,751 $0.00 --
Tax Withholding Ordinary Shares 901 $33.36 $30K
Holdings After Transaction: Restricted Stock Unit Award — 3,752 shares (Direct); Ordinary Shares — 14,456 shares (Direct)
Footnotes (1)
  1. Each restricted stock unit represents a contingent right to receive one ordinary share. Shares subject to the restricted stock unit award vest in three equal annual installments commencing on 4/11/2025.
RSUs exercised 3,751 units/shares Restricted stock unit award converted into ordinary shares
Tax withholding shares 901 shares at $33.36 Shares withheld to cover tax liability on vesting
Shares held after transaction 13,555 ordinary shares Direct holdings after RSU exercise and tax withholding
Exercise price per RSU $0.00 per share Stated price for conversion of restricted stock units
RSU vesting schedule Three equal annual installments Commencing on April 11, 2025 per footnote
Restricted Stock Unit Award financial
"Each restricted stock unit represents a contingent right to receive one ordinary share."
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.
tax-withholding disposition financial
"Payment of exercise price or tax liability by delivering securities"
A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.
Exercise or conversion of derivative security financial
"transaction_code_description: Exercise or conversion of derivative security"
vesting financial
"Shares subject to the restricted stock unit award vest in three equal annual installments"
Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.
Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED 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*
Lurker Nancy
(Last)(First)(Middle)
CONNAUGHT HOUSE
1 BURLINGTON ROAD
(Street)
DUBLIN4 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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
04/11/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
CodeVAmount(A) or (D)Price
Ordinary Shares04/11/2026M3,751A(1)14,456D
Ordinary Shares04/11/2026F901D$33.3613,555D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Unit Award(1)04/11/2026M3,751 (2) (2)Ordinary Shares3,751(1)3,752D
Explanation of Responses:
1. Each restricted stock unit represents a contingent right to receive one ordinary share.
2. Shares subject to the restricted stock unit award vest in three equal annual installments commencing on 4/11/2025.
/s/ Shantale Greenson, attorney-in-fact for Nancy Lurker04/13/2026
** Signature of Reporting PersonDate
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

FAQ

What insider transaction did Alkermes (ALKS) director Nancy Lurker report?

Nancy Lurker reported exercising a restricted stock unit award for 3,751 ordinary shares. The award converted into shares at a stated price of $0.00 per share as part of her equity compensation, rather than an open-market stock purchase or sale.

How many Alkermes (ALKS) shares does Nancy Lurker hold after this Form 4?

After the reported transactions, Nancy Lurker directly holds 13,555 Alkermes ordinary shares. This figure reflects the 3,751 shares received from the restricted stock unit exercise, net of 901 shares withheld to satisfy tax obligations on the vesting event.

Were any of Nancy Lurker’s Alkermes (ALKS) shares sold on the open market?

No open-market sale is reported. The filing shows 901 shares were disposed of under code F at $33.36 per share solely to pay tax liabilities, a standard withholding mechanism, not a discretionary sale into the market by the director.

What are the terms of Nancy Lurker’s restricted stock units at Alkermes (ALKS)?

Each restricted stock unit represents a contingent right to receive one Alkermes ordinary share. According to the footnotes, shares subject to this restricted stock unit award vest in three equal annual installments starting on April 11, 2025, creating staged share delivery over time.

What does transaction code F mean in this Alkermes (ALKS) Form 4?

Transaction code F indicates shares were withheld to pay an exercise price or tax liability. In this case, 901 ordinary shares were withheld at $33.36 per share to satisfy taxes owed on the vesting of the restricted stock units, not sold voluntarily in the market.