Alkermes plc. — Director's Dealing 2021

Apr 21, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alkermes plc. (ALKS)
CIK: 0001520262
Period of Report: 2021-04-16

Reporting Person: Brown Iain Michael (SVP, Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-04-16	Ordinary Shares	M	208	$18.105	Acquired	48570	Direct
2021-04-16	Ordinary Shares	S	208	$19.99	Disposed	48362	Direct
2021-04-19	Ordinary Shares	M	34792	$18.105	Acquired	83154	Direct
2021-04-19	Ordinary Shares	S	34792	$19.9977	Disposed	48362	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-04-16	Employee Stock Option (Right to Buy)	$18.105	M	208	Disposed	2021-05-20	Ordinary Shares (208)	Direct
2021-04-19	Employee Stock Option (Right to Buy)	$18.105	M	34792	Disposed	2021-05-20	Ordinary Shares (34792)	Direct

Footnotes

F1: This option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $19.99 to $20.04. Full information regarding the number of shares sold at each separate price can be provided to the issuer, any security holder of the issuer or the SEC staff upon request.

F4: These options are fully vested in accordance with their terms.