Nancy Lynn Snyderman MD - 03 Aug 2026 Form 4 Insider Report for Alkermes plc. (ALKS)

Reporting relationship: Director
Issuer ticker: ALKS
Reported as of: 03 Aug 2026
Net transaction value: -$2,239,076
SEC form: 4
Accepted by SEC: 03 Aug 2026, 19:16:59 UTC
Prior SEC filing: 22 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Shantale Greenson, attorney-in-fact for Nancy Snyderman

Key filing fact

Nancy Lynn Snyderman MD filed Form 4 for Alkermes plc. (ALKS) on 03 Aug 2026.

Key facts

This page summarizes Nancy Lynn Snyderman MD's Form 4 filing for Alkermes plc. (ALKS).
5 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 03 Aug 2026, 19:16.

Change

Previous filing in this sequence was filed on 22 May 2026.
Current net transaction value: -$2,239,076.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001675198 Primary reporting owner

snyderman nancy lynn MD

Relationship: Director
Address: CONNAUGHT HOUSE, 1 BURLINGTON ROAD, DUBLIN, IRELAND
Signature: /s/ Shantale Greenson, attorney-in-fact for Nancy Snyderman
Signature date: 03 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ALKS transaction

Ordinary Shares

Options Exercise

Transaction value
Shares: +27,948
Change %: +182%
Price: $46.72^*
Shares after: 43,343
Date: 03 Aug 2026
Ownership: Direct

ALKS transaction

Ordinary Shares

Options Exercise

Transaction value
Shares: +16,524
Change %: +38%
Price: $46.72^*
Shares after: 59,867
Date: 03 Aug 2026
Ownership: Direct

ALKS transaction

Ordinary Shares

Sale

Transaction value: $2,239,076
Shares: -44,472
Change %: -74%
Price: $50.35
Shares after: 15,395
Date: 03 Aug 2026
Ownership: Direct
Footnotes: F1

ALKS holding

Ordinary Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 20,783
Date: 03 Aug 2026
Ownership: By the Snyderman Trust
Footnotes: F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ALKS transaction Derivative

Non Qualified Stock Option (Right to Buy)

Options Exercise

Transaction value
Shares: -27,948
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 03 Aug 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 27,948
Exercise price: $46.72
Footnotes: F3

ALKS transaction Derivative

Non Qualified Stock Option (Right to Buy)

Options Exercise

Transaction value
Shares: -16,524
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 03 Aug 2026
Ownership: Direct
Underlying class: Ordinary Shares
Underlying amount: 16,524
Exercise price: $46.72
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $50.07 to $50.70. 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.

Footnote F2

Shares are held by the Nancy Lynn Snyderman Revocable Trust (the "Snyderman Trust"), of which the reporting person is both the sole trustee and sole beneficiary.

Footnote F3

These options are fully vested in accordance with their terms.