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CIK 0001520262 · Large accelerated filer

Alkermes plc.

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Ticker
ALKS
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Entity type
operating
EIN
981007018
Phone
00-353-1-772-8000
Business address
CONNAUGHT HOUSE, 1 BURLINGTON ROAD, DUBLIN 4, Ireland, 00000
Former names
ANTLER SCIENCE TWO PLC, Antler Science Two Ltd
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$1,070,874
in 5 filings, $1.1M under 10b5-1 plans

Net −$1,070,874. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-02-23 Hopkinson Craig C. EVP R&D, Chief Medical Officer Option exercise +7,689 92,986
2026-02-23 Hopkinson Craig C. EVP R&D, Chief Medical Officer Shares withheld for taxes −3,414 $32.19 $110K 89,572
2026-02-23 Hopkinson Craig C. EVP R&D, Chief Medical Officer Option exercise · Restricted Stock Unit Award −7,689 7,690
2026-02-23 Gaffin David Joseph EVP, CLO, Alkermes, Inc. Option exercise +7,689 239,291
2026-02-23 Gaffin David Joseph EVP, CLO, Alkermes, Inc. Shares withheld for taxes −3,414 $32.19 $110K 235,877
2026-02-23 Gaffin David Joseph EVP, CLO, Alkermes, Inc. Option exercise · Restricted Stock Unit Award −7,689 7,690
2026-02-19 Parisi Samuel Joseph VP, Finance (Interim PAO) Option exercise +2,991 12,036
2026-02-19 Parisi Samuel Joseph VP, Finance (Interim PAO) Shares withheld for taxes −979 $32.00 $31K 11,057
2026-02-19 Parisi Samuel Joseph VP, Finance (Interim PAO) Option exercise · Restricted Stock Unit Award −2,991 8,974
2026-02-19 Nichols Christian Todd SVP, Chief Commercial Officer Option exercise +6,045 111,477
2026-02-19 Nichols Christian Todd SVP, Chief Commercial Officer Shares withheld for taxes −2,277 $32.00 $73K 109,200
2026-02-19 Nichols Christian Todd SVP, Chief Commercial Officer Option exercise · Restricted Stock Unit Award −6,045 18,137
2026-02-19 Jackson Blair Curtis EVP, Chief Operating Officer Option exercise +9,300 235,953
2026-02-19 Jackson Blair Curtis EVP, Chief Operating Officer Shares withheld for taxes −4,130 $32.00 $132K 231,823
2026-02-19 Jackson Blair Curtis EVP, Chief Operating Officer Option exercise · Restricted Stock Unit Award −9,300 27,903
2026-02-19 Hopkinson Craig C. EVP R&D, Chief Medical Officer Option exercise +7,673 88,704
2026-02-19 Hopkinson Craig C. EVP R&D, Chief Medical Officer Shares withheld for taxes −3,407 $32.00 $109K 85,297
2026-02-19 Hopkinson Craig C. EVP R&D, Chief Medical Officer Option exercise · Restricted Stock Unit Award −7,673 23,019
2026-02-19 Gaffin David Joseph EVP, CLO, Alkermes, Inc. Option exercise +7,673 235,009
2026-02-19 Gaffin David Joseph EVP, CLO, Alkermes, Inc. Shares withheld for taxes −3,407 $32.00 $109K 231,602

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