Samuel Joseph Parisi - 18 Feb 2026 Form 4 Insider Report for Alkermes plc. (ALKS)

Signature
/s/ Shantale Greenson, attorney-in-fact for Samuel Joseph Parisi
Issuer symbol
ALKS
Transactions as of
18 Feb 2026
Net transactions value
-$53,934
Form type
4
Filing time
20 Feb 2026, 16:25:51 UTC
Previous filing
28 Feb 2025
Next filing
25 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Parisi Samuel Joseph VP, Finance (Interim PAO) 900 WINTER STREET, WALTHAM /s/ Shantale Greenson, attorney-in-fact for Samuel Joseph Parisi 20 Feb 2026 0002010945

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ALKS Ordinary Shares Options Exercise +2,034 +26% 9,751 18 Feb 2026 Direct F1
transaction ALKS Ordinary Shares Tax liability $22,606 -706 -7.2% $32.02 9,045 18 Feb 2026 Direct
transaction ALKS Ordinary Shares Options Exercise +2,991 +33% 12,036 19 Feb 2026 Direct F1
transaction ALKS Ordinary Shares Tax liability $31,328 -979 -8.1% $32.00 11,057 19 Feb 2026 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction ALKS Restricted Stock Unit Award Options Exercise -2,034 -100% 0 18 Feb 2026 Ordinary Shares 2,034 Direct F1, F2
transaction ALKS Restricted Stock Unit Award Options Exercise -2,991 -25% 8,974 19 Feb 2026 Ordinary Shares 2,991 Direct F1, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit represents a contingent right to receive one ordinary share.
F2 This award is fully vested in accordance with its terms.
F3 Shares subject to the restricted stock unit award vest in four equal annual installments, commencing on 2/19/2026.