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Alkermes plc.

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2392
SEC CIK
0001520262
Parsed reports
692

Last 12 months

Inside the activity.

0 purchase rows · 33 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202501
Dec 202502
Jan 202602
Feb 202604
Mar 202605
Apr 202602
May 202603
Jun 202603
Jul 202603
Aug 202605
Sep 202602
Oct 202601

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
October 08, 2026 Filed Oct 9, 2026 22:18 UTC
Reed JoshuaSVP, Chief Financial Officer
Exercise / conversionRestricted Stock Unit Award · Derivative 9,164 Not disclosed Not disclosed
Disclosure

SEC source: 0001520262-26-000131 · form4.xml · derivative · entry 3

Reed Joshua · CIK 0001746541 · SVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,492

Underlying: Ordinary Shares · 9,164 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one ordinary share.

F1 · price: Each restricted stock unit represents a contingent right to receive one ordinary share.

F2 · derivative.exercise_date: Shares subject to the restricted stock unit award vest in four equal annual installments, commencing on 10/8/2026.

F2 · derivative.expiration_date: Shares subject to the restricted stock unit award vest in four equal annual installments, commencing on 10/8/2026.

Read SEC document
October 08, 2026 Filed Oct 9, 2026 22:18 UTC
Reed JoshuaSVP, Chief Financial Officer
Tax withholdingOrdinary Shares 4,069 $40.11 $163,207.59
Disclosure

SEC source: 0001520262-26-000131 · form4.xml · nonDerivative · entry 2

Reed Joshua · CIK 0001746541 · SVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,095

Read SEC document
October 08, 2026 Filed Oct 9, 2026 22:18 UTC
Reed JoshuaSVP, Chief Financial Officer
Exercise / conversionOrdinary Shares 9,164 Not disclosed Not disclosed
Disclosure

SEC source: 0001520262-26-000131 · form4.xml · nonDerivative · entry 1

Reed Joshua · CIK 0001746541 · SVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,164

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one ordinary share.

Read SEC document
October 07, 2026 Filed Oct 9, 2026 22:16 UTC GrantNon Qualified Stock Option (Right to Buy) · Derivative 17,998 $0.00 Strike: $41.45 $0.00
Disclosure

SEC source: 0001520262-26-000130 · form4.xml · derivative · entry 2

Whitaker Anne Clem · CIK 0001593283 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,998

Underlying: Ordinary Shares · 17,998 shares

Expires 2036-10-07

F3 · derivative.exercise_date: Shares subject to the stock option award vest in three equal annual installments commencing on 10/7/2027.

Read SEC document
October 07, 2026 Filed Oct 9, 2026 22:16 UTC GrantRestricted Stock Unit Award · Derivative 7,239 $0.00 $0.00
Disclosure

SEC source: 0001520262-26-000130 · form4.xml · derivative · entry 1

Whitaker Anne Clem · CIK 0001593283 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,239

Underlying: Ordinary Shares · 7,239 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one ordinary share.

F2 · derivative.exercise_date: Shares subject to the restricted stock unit award vest in three equal annual installments commencing on 10/7/2027.

F2 · derivative.expiration_date: Shares subject to the restricted stock unit award vest in three equal annual installments commencing on 10/7/2027.

Read SEC document
October 02, 2026 Filed Oct 2, 2026 22:22 UTC
Gaffin David JosephEVP, CLO, Alkermes, Inc.
SaleOrdinary Shares 2,034 $41.03 $83,455.02
Disclosure

SEC source: 0001520262-26-000127 · form4.xml · nonDerivative · entry 1

Gaffin David Joseph · CIK 0001675905 · EVP, CLO, Alkermes, Inc.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 221,388

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/19/2025.

Read SEC document
September 03, 2026 Filed Sep 3, 2026 22:32 UTC
Gaffin David JosephEVP, CLO, Alkermes, Inc.
SaleOrdinary Shares 2,034 $48.01 $97,652.34
Disclosure

SEC source: 0001520262-26-000120 · form4.xml · nonDerivative · entry 1

Gaffin David Joseph · CIK 0001675905 · EVP, CLO, Alkermes, Inc.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 223,422

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/19/2025.

Read SEC document
September 01, 2026 Filed Sep 1, 2026 23:08 UTC
Hopkinson Craig C.EVP R&D, Chief Medical Officer
Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 5,000 $0.00 Strike: $24.59 $0.00
Disclosure

SEC source: 0001520262-26-000118 · form4.xml · derivative · entry 3

Hopkinson Craig C. · CIK 0001730048 · EVP R&D, Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 61,276

Underlying: Ordinary Shares · 5,000 shares

Expires 2032-02-18

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 3/14/2025.

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

Read SEC document
September 01, 2026 Filed Sep 1, 2026 23:08 UTC
Hopkinson Craig C.EVP R&D, Chief Medical Officer
SaleOrdinary Shares 9,000 $46.99 $422,874.00
Disclosure

SEC source: 0001520262-26-000118 · form4.xml · nonDerivative · entry 2

Hopkinson Craig C. · CIK 0001730048 · EVP R&D, Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,389

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 3/14/2025.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $46.8269 to $47.3197. 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.

Read SEC document
September 01, 2026 Filed Sep 1, 2026 23:08 UTC
Hopkinson Craig C.EVP R&D, Chief Medical Officer
Exercise / conversionOrdinary Shares 5,000 $24.59 $122,950.00
Disclosure

SEC source: 0001520262-26-000118 · form4.xml · nonDerivative · entry 1

Hopkinson Craig C. · CIK 0001730048 · EVP R&D, Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 74,389

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 3/14/2025.

Read SEC document
August 17, 2026 Filed Aug 17, 2026 22:53 UTC
Nichols Christian ToddSVP, Chief Commercial Officer
SaleOrdinary Shares 664 $49.65 $32,969.33
Disclosure

SEC source: 0001520262-26-000116 · form4.xml · nonDerivative · entry 2

Nichols Christian Todd · CIK 0001813312 · SVP, Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 102,193

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 5/15/2026.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $49.61 to $49.79. 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.

Read SEC document
August 17, 2026 Filed Aug 17, 2026 22:53 UTC
Nichols Christian ToddSVP, Chief Commercial Officer
SaleOrdinary Shares 6,912 $49.19 $339,967.41
Disclosure

SEC source: 0001520262-26-000116 · form4.xml · nonDerivative · entry 1

Nichols Christian Todd · CIK 0001813312 · SVP, Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 102,857

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 5/15/2026.

F2 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $48.6092 to $49.49. 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.

Read SEC document
August 05, 2026 Filed Aug 8, 2026 01:17 UTC
Jackson Blair CurtisDirector · President & CEO, Alkermes plc
GrantEmployee Stock Option (Right to Buy) · Derivative 124,305 $0.00 Strike: $49.61 $0.00
Disclosure

SEC source: 0001520262-26-000113 · form4.xml · derivative · entry 2

Jackson Blair Curtis · CIK 0001842348 · Director · President & CEO, Alkermes plc

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 124,305

Underlying: Ordinary Shares · 124,305 shares

Expires 2036-08-05

F1 · kind: This award was granted in connection with the reporting person's appointment as President and Chief Executive Officer.

F3 · derivative.exercise_date: Shares underlying the stock option shall vest and become exercisable, if at all, in two tranches based upon the closing price of an ordinary share of Alkermes plc, as reported by the Nasdaq Global Select Market or another national securities exchange on which Alkermes plc's ordinary shares are listed, trading at certain pre-specified levels for 30 consecutive trading days, subject in each case to the reporting person's completion of two years of continuous service (or less, in the event of a change in control) in the role of President and Chief Executive Officer. This award expires ten years from the date of grant.

Read SEC document
August 05, 2026 Filed Aug 8, 2026 01:17 UTC
Jackson Blair CurtisDirector · President & CEO, Alkermes plc
GrantEmployee Stock Option (Right to Buy) · Derivative 93,229 $0.00 Strike: $49.61 $0.00
Disclosure

SEC source: 0001520262-26-000113 · form4.xml · derivative · entry 1

Jackson Blair Curtis · CIK 0001842348 · Director · President & CEO, Alkermes plc

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,229

Underlying: Ordinary Shares · 93,229 shares

Expires 2036-08-05

F1 · kind: This award was granted in connection with the reporting person's appointment as President and Chief Executive Officer.

F2 · derivative.exercise_date: Shares underlying the stock option vest and become exercisable in four equal annual installments, commencing on 8/5/2027.

Read SEC document
August 03, 2026 Filed Aug 3, 2026 23:16 UTC Exercise / conversionNon Qualified Stock Option (Right to Buy) · Derivative 16,524 $0.00 Strike: $46.72 $0.00
Disclosure

SEC source: 0001520262-26-000111 · form4.xml · derivative · entry 6

snyderman nancy lynn MD · CIK 0001675198 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 16,524 shares

Expires 2026-09-14

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: These options are fully vested in accordance with their terms.

Read SEC document
August 03, 2026 Filed Aug 3, 2026 23:16 UTC Exercise / conversionNon Qualified Stock Option (Right to Buy) · Derivative 27,948 $0.00 Strike: $46.72 $0.00
Disclosure

SEC source: 0001520262-26-000111 · form4.xml · derivative · entry 5

snyderman nancy lynn MD · CIK 0001675198 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 27,948 shares

Expires 2026-09-14

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: These options are fully vested in accordance with their terms.

Read SEC document
August 03, 2026 Filed Aug 3, 2026 23:16 UTC SaleOrdinary Shares 44,472 $50.35 $2,239,076.26
Disclosure

SEC source: 0001520262-26-000111 · form4.xml · nonDerivative · entry 3

snyderman nancy lynn MD · CIK 0001675198 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,395

F1 · price: 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.

Read SEC document
August 03, 2026 Filed Aug 3, 2026 23:16 UTC Exercise / conversionOrdinary Shares 16,524 $46.72 $772,001.28
Disclosure

SEC source: 0001520262-26-000111 · form4.xml · nonDerivative · entry 2

snyderman nancy lynn MD · CIK 0001675198 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,867

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
August 03, 2026 Filed Aug 3, 2026 23:16 UTC Exercise / conversionOrdinary Shares 27,948 $46.72 $1,305,730.56
Disclosure

SEC source: 0001520262-26-000111 · form4.xml · nonDerivative · entry 1

snyderman nancy lynn MD · CIK 0001675198 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,343

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
August 03, 2026 Filed Aug 3, 2026 23:12 UTC
Hopkinson Craig C.EVP R&D, Chief Medical Officer
Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 4,896 $0.00 Strike: $24.59 $0.00
Disclosure

SEC source: 0001520262-26-000110 · form4.xml · derivative · entry 5

Hopkinson Craig C. · CIK 0001730048 · EVP R&D, Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 66,276

Underlying: Ordinary Shares · 4,896 shares

Expires 2032-02-18

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 3/14/2025.

F3 · derivative.exercise_date: These options are fully vested in accordance with their terms.

Read SEC document
August 03, 2026 Filed Aug 3, 2026 23:12 UTC
Hopkinson Craig C.EVP R&D, Chief Medical Officer
Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 104 $0.00 Strike: $19.34 $0.00
Disclosure

SEC source: 0001520262-26-000110 · form4.xml · derivative · entry 4

Hopkinson Craig C. · CIK 0001730048 · EVP R&D, Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,252

Underlying: Ordinary Shares · 104 shares

Expires 2031-02-22

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 3/14/2025.

F3 · derivative.exercise_date: These options are fully vested in accordance with their terms.

Read SEC document
August 03, 2026 Filed Aug 3, 2026 23:12 UTC
Hopkinson Craig C.EVP R&D, Chief Medical Officer
SaleOrdinary Shares 9,000 $48.58 $437,220.00
Disclosure

SEC source: 0001520262-26-000110 · form4.xml · nonDerivative · entry 3

Hopkinson Craig C. · CIK 0001730048 · EVP R&D, Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 69,389

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 3/14/2025.

Read SEC document
August 03, 2026 Filed Aug 3, 2026 23:12 UTC
Hopkinson Craig C.EVP R&D, Chief Medical Officer
Exercise / conversionOrdinary Shares 4,896 $24.59 $120,392.64
Disclosure

SEC source: 0001520262-26-000110 · form4.xml · nonDerivative · entry 2

Hopkinson Craig C. · CIK 0001730048 · EVP R&D, Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 78,389

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 3/14/2025.

Read SEC document
August 03, 2026 Filed Aug 3, 2026 23:12 UTC
Hopkinson Craig C.EVP R&D, Chief Medical Officer
Exercise / conversionOrdinary Shares 104 $19.34 $2,011.36
Disclosure

SEC source: 0001520262-26-000110 · form4.xml · nonDerivative · entry 1

Hopkinson Craig C. · CIK 0001730048 · EVP R&D, Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 73,493

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 3/14/2025.

Read SEC document
August 03, 2026 Filed Aug 3, 2026 23:09 UTC
Gaffin David JosephEVP, CLO, Alkermes, Inc.
SaleOrdinary Shares 2,034 $48.58 $98,811.72
Disclosure

SEC source: 0001520262-26-000109 · form4.xml · nonDerivative · entry 1

Gaffin David Joseph · CIK 0001675905 · EVP, CLO, Alkermes, Inc.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 225,456

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/19/2025.

Read SEC document
July 06, 2026 Filed Jul 6, 2026 20:48 UTC
Gaffin David JosephEVP, CLO, Alkermes, Inc.
SaleOrdinary Shares 2,034 $54.03 $109,897.02
Disclosure

SEC source: 0001520262-26-000105 · form4.xml · nonDerivative · entry 1

Gaffin David Joseph · CIK 0001675905 · EVP, CLO, Alkermes, Inc.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 227,490

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/19/2025.

Read SEC document
July 01, 2026 Filed Jul 1, 2026 22:29 UTC
Hopkinson Craig C.EVP R&D, Chief Medical Officer
Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 5,000 $0.00 Strike: $19.34 $0.00
Disclosure

SEC source: 0001520262-26-000103 · form4.xml · derivative · entry 4

Hopkinson Craig C. · CIK 0001730048 · EVP R&D, Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,356

Underlying: Ordinary Shares · 5,000 shares

Expires 2031-02-22

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 3/14/2025.

F5 · derivative.exercise_date: These options are fully vested in accordance with their terms.

Read SEC document
July 01, 2026 Filed Jul 1, 2026 22:29 UTC
Hopkinson Craig C.EVP R&D, Chief Medical Officer
SaleOrdinary Shares 700 $52.13 $36,491.98
Disclosure

SEC source: 0001520262-26-000103 · form4.xml · nonDerivative · entry 3

Hopkinson Craig C. · CIK 0001730048 · EVP R&D, Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 73,389

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 3/14/2025.

F4 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $52.10 to $52.17. 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.

Read SEC document
July 01, 2026 Filed Jul 1, 2026 22:29 UTC
Hopkinson Craig C.EVP R&D, Chief Medical Officer
SaleOrdinary Shares 8,300 $51.46 $427,128.79
Disclosure

SEC source: 0001520262-26-000103 · form4.xml · nonDerivative · entry 2

Hopkinson Craig C. · CIK 0001730048 · EVP R&D, Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 74,089

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 3/14/2025.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $51.06 to $52.04. 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.

Read SEC document
July 01, 2026 Filed Jul 1, 2026 22:29 UTC
Hopkinson Craig C.EVP R&D, Chief Medical Officer
Exercise / conversionOrdinary Shares 5,000 $19.34 $96,700.00
Disclosure

SEC source: 0001520262-26-000103 · form4.xml · nonDerivative · entry 1

Hopkinson Craig C. · CIK 0001730048 · EVP R&D, Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 82,389

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 3/14/2025.

Read SEC document
June 12, 2026 Filed Jun 13, 2026 00:04 UTC SaleOrdinary Shares 2,000 $45.10 $90,200.00
Disclosure

SEC source: 0001520262-26-000101 · form4.xml · nonDerivative · entry 1

Wright Christopher I · CIK 0001838503 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 25,680

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 3/11/2026.

Read SEC document
June 04, 2026 Filed Jun 4, 2026 21:00 UTC
Gaffin David JosephEVP, CLO, Alkermes, Inc.
SaleOrdinary Shares 2,034 $43.05 $87,563.70
Disclosure

SEC source: 0001520262-26-000099 · form4.xml · nonDerivative · entry 1

Gaffin David Joseph · CIK 0001675905 · EVP, CLO, Alkermes, Inc.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 229,524

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 11/19/2025.

Read SEC document
June 01, 2026 Filed Jun 1, 2026 23:26 UTC
Hopkinson Craig C.EVP R&D, Chief Medical Officer
Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 5,000 $0.00 Strike: $19.34 $0.00
Disclosure

SEC source: 0001520262-26-000097 · form4.xml · derivative · entry 3

Hopkinson Craig C. · CIK 0001730048 · EVP R&D, Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,356

Underlying: Ordinary Shares · 5,000 shares

Expires 2031-02-22

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 3/14/2025.

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

Read SEC document
June 01, 2026 Filed Jun 1, 2026 23:26 UTC
Hopkinson Craig C.EVP R&D, Chief Medical Officer
SaleOrdinary Shares 9,000 $41.67 $375,043.50
Disclosure

SEC source: 0001520262-26-000097 · form4.xml · nonDerivative · entry 2

Hopkinson Craig C. · CIK 0001730048 · EVP R&D, Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 77,389

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 3/14/2025.

F3 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $41.37 to $42.19. 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.

Read SEC document
June 01, 2026 Filed Jun 1, 2026 23:26 UTC
Hopkinson Craig C.EVP R&D, Chief Medical Officer
Exercise / conversionOrdinary Shares 5,000 $19.34 $96,700.00
Disclosure

SEC source: 0001520262-26-000097 · form4.xml · nonDerivative · entry 1

Hopkinson Craig C. · CIK 0001730048 · EVP R&D, Chief Medical Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 86,389

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: This option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 3/14/2025.

Read SEC document
May 29, 2026 Filed May 29, 2026 22:03 UTC
Parisi Samuel JosephVP, Finance (Interim PAO)
Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 12,825 $0.00 Strike: $19.34 $0.00
Disclosure

SEC source: 0001520262-26-000095 · form4.xml · derivative · entry 5

Parisi Samuel Joseph · CIK 0002010945 · VP, Finance (Interim PAO)

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,826

Underlying: Ordinary Shares · 12,825 shares

Expires 2031-02-22

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: These options are fully vested in accordance with their terms.

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May 29, 2026 Filed May 29, 2026 22:03 UTC
Parisi Samuel JosephVP, Finance (Interim PAO)
Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 3,392 $0.00 Strike: $20.03 $0.00
Disclosure

SEC source: 0001520262-26-000095 · form4.xml · derivative · entry 4

Parisi Samuel Joseph · CIK 0002010945 · VP, Finance (Interim PAO)

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,394

Underlying: Ordinary Shares · 3,392 shares

Expires 2030-02-20

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: These options are fully vested in accordance with their terms.

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May 29, 2026 Filed May 29, 2026 22:03 UTC
Parisi Samuel JosephVP, Finance (Interim PAO)
SaleOrdinary Shares 16,217 $42.36 $687,007.26
Disclosure

SEC source: 0001520262-26-000095 · form4.xml · nonDerivative · entry 3

Parisi Samuel Joseph · CIK 0002010945 · VP, Finance (Interim PAO)

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,717

F1 · price: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $42.245 to $42.50. 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.

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May 29, 2026 Filed May 29, 2026 22:03 UTC
Parisi Samuel JosephVP, Finance (Interim PAO)
Exercise / conversionOrdinary Shares 12,825 $19.34 $248,035.50
Disclosure

SEC source: 0001520262-26-000095 · form4.xml · nonDerivative · entry 2

Parisi Samuel Joseph · CIK 0002010945 · VP, Finance (Interim PAO)

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,934

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 29, 2026 Filed May 29, 2026 22:03 UTC
Parisi Samuel JosephVP, Finance (Interim PAO)
Exercise / conversionOrdinary Shares 3,392 $20.03 $67,941.76
Disclosure

SEC source: 0001520262-26-000095 · form4.xml · nonDerivative · entry 1

Parisi Samuel Joseph · CIK 0002010945 · VP, Finance (Interim PAO)

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,109

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 21, 2026 Filed May 23, 2026 00:06 UTC Exercise / conversionRestricted Stock Unit Award · Derivative 6,142 Not disclosed Not disclosed
Disclosure

SEC source: 0001520262-26-000092 · form4.xml · derivative · entry 5

Wilson Frank Anders · CIK 0001462948 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 6,142 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one ordinary share.

F1 · price: Each restricted stock unit represents a contingent right to receive one ordinary share.

F3 · derivative.exercise_date: This award is fully vested in accordance with its terms.

F3 · derivative.expiration_date: This award is fully vested in accordance with its terms.

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May 21, 2026 Filed May 23, 2026 00:06 UTC Tax withholdingOrdinary Shares 1,475 $36.95 $54,501.25
Disclosure

SEC source: 0001520262-26-000092 · form4.xml · nonDerivative · entry 2

Wilson Frank Anders · CIK 0001462948 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,751

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May 21, 2026 Filed May 23, 2026 00:06 UTC Exercise / conversionOrdinary Shares 6,142 Not disclosed Not disclosed
Disclosure

SEC source: 0001520262-26-000092 · form4.xml · nonDerivative · entry 1

Wilson Frank Anders · CIK 0001462948 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,226

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one ordinary share.

Read SEC document
May 21, 2026 Filed May 23, 2026 00:01 UTC
Lurker NancyDirector
Exercise / conversionRestricted Stock Unit Award · Derivative 6,142 Not disclosed Not disclosed
Disclosure

SEC source: 0001520262-26-000089 · form4.xml · derivative · entry 5

Lurker Nancy · CIK 0001450485 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 6,142 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one ordinary share.

F1 · price: Each restricted stock unit represents a contingent right to receive one ordinary share.

F3 · derivative.exercise_date: This award is fully vested in accordance with its terms.

F3 · derivative.expiration_date: This award is fully vested in accordance with its terms.

Read SEC document
May 21, 2026 Filed May 23, 2026 00:01 UTC
Lurker NancyDirector
Tax withholdingOrdinary Shares 1,475 $36.95 $54,501.25
Disclosure

SEC source: 0001520262-26-000089 · form4.xml · nonDerivative · entry 2

Lurker Nancy · CIK 0001450485 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,222

Read SEC document
May 21, 2026 Filed May 23, 2026 00:01 UTC
Lurker NancyDirector
Exercise / conversionOrdinary Shares 6,142 Not disclosed Not disclosed
Disclosure

SEC source: 0001520262-26-000089 · form4.xml · nonDerivative · entry 1

Lurker Nancy · CIK 0001450485 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,697

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one ordinary share.

Read SEC document
May 21, 2026 Filed May 23, 2026 00:00 UTC Exercise / conversionRestricted Stock Unit Award · Derivative 6,142 Not disclosed Not disclosed
Disclosure

SEC source: 0001520262-26-000088 · form4.xml · derivative · entry 5

LAURENCIN CATO T · CIK 0001444810 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 6,142 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one ordinary share.

F1 · price: Each restricted stock unit represents a contingent right to receive one ordinary share.

F3 · derivative.exercise_date: This award is fully vested in accordance with its terms.

F3 · derivative.expiration_date: This award is fully vested in accordance with its terms.

Read SEC document
May 21, 2026 Filed May 23, 2026 00:00 UTC Tax withholdingOrdinary Shares 1,475 $36.95 $54,501.25
Disclosure

SEC source: 0001520262-26-000088 · form4.xml · nonDerivative · entry 2

LAURENCIN CATO T · CIK 0001444810 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,769

Read SEC document
May 21, 2026 Filed May 23, 2026 00:00 UTC Exercise / conversionOrdinary Shares 6,142 Not disclosed Not disclosed
Disclosure

SEC source: 0001520262-26-000088 · form4.xml · nonDerivative · entry 1

LAURENCIN CATO T · CIK 0001444810 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,244

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each restricted stock unit represents a contingent right to receive one ordinary share.

Read SEC document
May 21, 2026 Filed May 23, 2026 00:03 UTC Exercise / conversionRestricted Stock Unit Award · Derivative 6,142 Not disclosed Not disclosed
Disclosure

SEC source: 0001520262-26-000090 · form4.xml · derivative · entry 6

MCKEON BRIAN P · CIK 0001219445 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 6,142 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one ordinary share.

F1 · price: Each restricted stock unit represents a contingent right to receive one ordinary share.

F4 · derivative.exercise_date: This award is fully vested in accordance with its terms.

F4 · derivative.expiration_date: This award is fully vested in accordance with its terms.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.