Alkermes (ALKS) CCO logs RSU exercise and tax share withholding

Rhea-AI Filing Summary

Alkermes plc SVP and Chief Commercial Officer Christian Todd Nichols reported equity award activity involving restricted stock units and ordinary shares. On 2026-02-26, he exercised 5,410 restricted stock units, which converted into 5,410 ordinary shares at a stated price of $0.0000 per share.

A related Form 4 line shows 2,403 ordinary shares disposed of at $30.73 per share in a code F transaction, which reflects shares withheld to satisfy tax obligations rather than an open-market sale. After these transactions, Nichols directly owned 115,769 ordinary shares and held 10,819 restricted stock units, each representing a contingent right to receive one ordinary share. The restricted stock unit award vests in four equal annual installments beginning on 02/26/2025.

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^*

Nichols Christian Todd

(Last) (First) (Middle)

900 WINTER ST.

(Street)

WALTHAM MA 02451

(City) (State) (Zip)

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Chief Commercial Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/26/2026

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

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

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

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)
			Code	V	Amount	(A) or (D)	Price
Ordinary Shares	02/26/2026		M		5,410	A	(1)	118,172	D
Ordinary Shares	02/26/2026		F		2,403	D	$30.73	115,769	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Unit Award	(1)	02/26/2026		M			5,410	(2)	(2)	Ordinary Shares	5,410	(1)	10,819	D

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 four equal annual installments, commencing on 2/26/2025.

	/s/ Shantale Greenson, attorney-in-fact for Christian Todd Nichols	02/27/2026
	** 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.

FAQ

What did Alkermes (ALKS) executive Christian Todd Nichols report in this Form 4?

Christian Todd Nichols reported the vesting and exercise of 5,410 restricted stock units into ordinary shares and the disposition of 2,403 shares to cover taxes. These transactions reflect routine equity compensation activity rather than open-market buying or selling.

How many Alkermes (ALKS) ordinary shares does Christian Todd Nichols hold after the transactions?

After the reported transactions, Christian Todd Nichols directly holds 115,769 ordinary shares of Alkermes. This figure comes from the Form 4 line showing total shares following the tax-withholding disposition transaction dated February 26, 2026.

How many restricted stock units does the Alkermes (ALKS) CCO still hold?

Following the exercise of 5,410 restricted stock units, Christian Todd Nichols holds 10,819 restricted stock units. Each unit represents a contingent right to receive one Alkermes ordinary share upon vesting under the award’s terms.

When do Christian Todd Nichols’ Alkermes (ALKS) restricted stock units vest?

The restricted stock unit award vests in four equal annual installments starting on February 26, 2025. This means the award is spread over four years, with a quarter of the units vesting on each annual vesting date.

Was there an open-market sale of Alkermes (ALKS) shares in this Form 4?

The Form 4 reports a code F disposition of 2,403 ordinary shares at $30.73 per share, designated as payment of tax liability by delivering securities. This indicates tax withholding, not an open-market sale transaction.

What role does Christian Todd Nichols hold at Alkermes (ALKS)?

Christian Todd Nichols is identified as an officer of Alkermes serving as Senior Vice President and Chief Commercial Officer. His position is disclosed in the reporting person section of the Form 4 insider trading report.