Alkermes (ALKS) SVP Nichols reports PRSU vesting and share transfer

Rhea-AI Filing Summary

Alkermes plc senior executive Christian Todd Nichols reported equity transactions in company ordinary shares. On February 5, 2026, he acquired 21,127 ordinary shares at no cost upon vesting of performance-based restricted stock units granted in 2023 after a three-year performance period.

On the same date, he reported a disposition of 6,389 ordinary shares at $33.55 per share. Following these transactions, Nichols directly owned 100,946 ordinary shares of Alkermes plc.

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

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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)
02/05/2026

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	02/05/2026		A		21,127	A	(1)	107,335	D
Ordinary Shares	02/05/2026		F		6,389	D	$33.55	100,946	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

Explanation of Responses:

1. These ordinary shares were acquired by the reporting person as a result of the vesting of performance-vesting restricted stock unit awards granted to the reporting person on February 23, 2023 with a three-year performance period that ended on December 31, 2025 (the "2023 PRSUs"). The vesting of this portion of the 2023 PRSUs was triggered by the determination of achievement of certain pre-specified performance goals and application of a relative total shareholder return modifier and represents the final vesting event under the 2023 PRSUs.

	/s/ Shantale Greenson, attorney-in-fact for Christian Todd Nichols	02/06/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transaction did Alkermes (ALKS) report for Christian Todd Nichols?

Alkermes reported that SVP and Chief Commercial Officer Christian Todd Nichols acquired 21,127 ordinary shares through vesting of performance-based restricted stock units and disposed of 6,389 ordinary shares on February 5, 2026. After these transactions, he directly owned 100,946 Alkermes ordinary shares.

How many Alkermes ordinary shares did Christian Todd Nichols acquire in this Form 4 filing?

Christian Todd Nichols acquired 21,127 Alkermes ordinary shares at no cost. These shares resulted from the vesting of performance-vesting restricted stock unit awards granted on February 23, 2023, after a three-year performance period ending December 31, 2025, and achievement of specified performance goals.

What is the nature of the performance-based awards reported for Alkermes SVP Nichols?

The awards are 2023 performance-vesting restricted stock units with a three-year performance period ending December 31, 2025. Vesting was triggered by achieving pre-specified performance goals and applying a relative total shareholder return modifier, and this transaction represents the final vesting event under those 2023 PRSUs.

What share disposition did Christian Todd Nichols report in Alkermes stock?

Nichols reported a disposition of 6,389 Alkermes ordinary shares on February 5, 2026, at a reported price of $33.55 per share. This was filed as a non-derivative transaction with code “F,” indicating shares were transferred or withheld rather than sold on the open market.

How many Alkermes shares does Christian Todd Nichols own after the reported transactions?

After the reported Form 4 transactions, Christian Todd Nichols directly owned 100,946 Alkermes ordinary shares. This figure reflects his holdings following the acquisition of 21,127 shares from PRSU vesting and the disposition of 6,389 shares on February 5, 2026.

What is Christian Todd Nichols’ role at Alkermes in this insider filing?

In this insider filing, Christian Todd Nichols is identified as an officer of Alkermes plc, serving as Senior Vice President and Chief Commercial Officer. The Form 4 is filed for a single reporting person, reflecting his personal equity transactions in Alkermes ordinary shares.