GAFFIN DAVID JOSEPH

PrivateCIK: 1675905
Location

WALTHAM, MA

Senior insider sale

EVP, CLO, Alkermes, Inc. at ALKERMES PLC. — senior position signals high conviction

$190.4K

6.10K shares

What this filing means

GAFFIN DAVID JOSEPH plans to sell 6.10K shares of ALKERMES PLC. valued at approximately $190.4K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderGAFFIN DAVID JOSEPHCIK 1675905
IssuerALKERMES PLC.CIK 1520262
Officer· EVP, CLO, Alkermes, Inc.
Since Mar 2026
6.10K
Shares to sell
$190.4K
Approx. market value
2.03K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months2
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Vesting of restricted stock unit award

Granted as part of issuer equity compensation plan

3/1/2017
1.16K

Vesting of performance share unit award

Granted as part of issuer equity compensation plan

10/5/2015
870.00
Total acquired2.03K
Planned & Completed Dispositions3
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Completed

Completed

Units to sell

2.03K

Market value

$60.5K

3/3/2026
Completed

Units to sell

2.03K

Market value

$59.6K

3/2/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

2.03K

Market value

$70.3K

4/6/2026
Total

Units

6.10K

Value

$190.4K