Alkermes (ALKS) CCO reports RSU conversions and tax share withholdings

Rhea-AI Filing Summary

Alkermes plc SVP and Chief Commercial Officer Christian Todd Nichols reported equity award activity involving restricted stock units (RSUs) and ordinary shares. On February 18 and 19, 2026, RSU awards covering 6,355 and 6,045 units were exercised, with each unit converting into one ordinary share at a price of $0.00 per share.

Following these conversions, Nichols’ direct holdings in ordinary shares increased, with post-transaction balances of 107,301 and 111,477 shares reported. On both dates, the company also withheld 1,869 and 2,277 ordinary shares, respectively, at around $32 per share to cover tax obligations, reducing the final reported balance to 109,200 and then 105,432 shares. Footnotes state that one award is fully vested and another vests in four equal annual installments starting on February 19, 2026.

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)
02/18/2026

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	02/18/2026		M		6,355	A	(1)	107,301	D
Ordinary Shares	02/18/2026		F		1,869	D	$32.02	105,432	D
Ordinary Shares	02/19/2026		M		6,045	A	(1)	111,477	D
Ordinary Shares	02/19/2026		F		2,277	D	$32	109,200	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)	02/18/2026		M			6,355	(2)	(2)	Ordinary Shares	6,355	(1)	0	D
Restricted Stock Unit Award	(1)	02/19/2026		M			6,045	(3)	(3)	Ordinary Shares	6,045	(1)	18,137	D

Explanation of Responses:

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

2. This award is fully vested in accordance with its terms.

3. Shares subject to the restricted stock unit award vest in four equal annual installments, commencing on 2/19/2026.

	/s/ Shantale Greenson, attorney-in-fact for Christian Todd Nichols	02/20/2026
	** Signature of Reporting Person	Date
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FAQ

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

Alkermes reported that SVP and Chief Commercial Officer Christian Todd Nichols exercised restricted stock units into ordinary shares on February 18 and 19, 2026. The transactions involved RSU conversions at $0.00 per share and related share withholdings to satisfy tax obligations.

How many Alkermes (ALKS) restricted stock units did Nichols convert to shares?

Nichols exercised RSU awards for 6,355 units on February 18, 2026, and 6,045 units on February 19, 2026. Each restricted stock unit represents a contingent right to receive one ordinary share, resulting in the same number of ordinary shares issued.

Were any Alkermes (ALKS) shares sold by Christian Todd Nichols in this Form 4?

The Form 4 shows no open-market sales. Instead, it reports share dispositions coded F, where 1,869 and 2,277 ordinary shares were delivered on two dates to pay tax liabilities related to the RSU conversions at prices near $32 per share.

What were Christian Todd Nichols’ Alkermes (ALKS) share holdings after these transactions?

After the February 18, 2026 transactions, Nichols held 105,432 ordinary shares directly. After the February 19, 2026 RSU conversion and tax withholding, his direct ownership was reported as 109,200 ordinary shares, reflecting the net impact of RSU exercises and tax-related dispositions.

How do the Alkermes (ALKS) RSU awards for Nichols vest?

One restricted stock unit award for Nichols is described as fully vested. Another award vests in four equal annual installments, beginning on February 19, 2026. Each vested restricted stock unit entitles the holder to receive one Alkermes ordinary share upon settlement.

What do the F-coded Alkermes (ALKS) transactions mean in Nichols’ Form 4?

The F-coded transactions are described as payment of tax liability by delivering securities. In Nichols’ case, Alkermes withheld 1,869 and 2,277 ordinary shares at prices around $32 per share to cover taxes triggered by the RSU conversions.