Alkermes plc.

ALKS

Form 4 • Statement of Changes in Beneficial Ownership

SEC Accession Number: 0001520262-26-000061
Filing date: Mar 4, 2026
Earliest execution date: Mar 2, 2026

Summary

Type

Sell

Net shares

-6,890

% of shares

-47.17%

Amount (USD)

$201,808

Insider confidence score

11.3 out of 100

Positive

  • Under Rule 10b5-1 trading plan

Negative

  • Extreme scheduled sell (≥25% of shares)
  • Significant sell amount ($50K+)

Stock transactions

Transaction 1

Security

Ordinary Shares

Action

Sell

Date

2026-03-02

Code

S

Net shares

-6,890.0

Price per Share

$29.29

Amount (USD)

$201,808.10

Acquired/Disposed

Disposed

Shares Owned Before

14,607.0

Shares Owned After

7,717.0

Derivative Transactions

Transaction 1

Security

Employee Stock Option (Right to Buy)

Action

Grant

Date

2026-03-02

Code

A

Net shares

+15,033.0

Acquired/Disposed

Acquired

Shares Owned Before

0.0

Shares Owned After

15,033.0

Transaction 2

Security

Restricted Stock Unit Award

Action

Grant

Date

2026-03-02

Code

A

Net shares

+14,176.0

Acquired/Disposed

Acquired

Shares Owned Before

0.0

Shares Owned After

14,176.0

Filing's footnotes

1. This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/7/2025.

2. Shares underlying the stock option vest and become exercisable in four equal annual installments, commencing on 3/2/2027.

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

4. Shares subject to the restricted stock unit award vest in four equal annual installments, commencing on 3/2/2027.

ℹ️ Filed under Rule 10b5-1 trading plan

This page is for informational purposes only. While we strive for accuracy, the summary may contain inaccuracies or omissions. Please refer to the official SEC filing for authoritative information. Open the SEC filing.