GAFFIN DAVID JOSEPH

PrivateCIK: 1675905
Location

WALTHAM, MA

Senior insider sale

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

$393.9K

8.14K shares

What this filing means

GAFFIN DAVID JOSEPH plans to sell 8.14K shares of ALKERMES PLC. valued at approximately $393.9K. 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
8.14K
Shares to sell
$393.9K
Approx. market value
2.03K
Acquired (3 months)
1
Planned
3 completed
Securities Acquired — Last 3 Months3
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Vesting of restricted stock unit award

Granted as part of issuer equity compensation plan

5/20/2015
401.00

Vesting of restricted stock unit award

Granted as part of issuer equity compensation plan

5/21/2014
622.00

Vesting of restricted stock unit award

Granted as part of issuer equity compensation plan

5/20/2014
1.01K
Total acquired2.03K
Planned & Completed Dispositions4
Sort

Completed

Completed

Units to sell

2.03K

Market value

$98.8K

8/3/2026
Completed

Units to sell

2.03K

Market value

$109.9K

7/6/2026
Completed

Units to sell

2.03K

Market value

$87.6K

6/4/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

2.03K

Market value

$97.7K

9/3/2026
Total

Units

8.14K

Value

$393.9K